US20120062432A1 - Directional Antenna and Smart Antenna System Using the Same - Google Patents
Directional Antenna and Smart Antenna System Using the Same Download PDFInfo
- Publication number
- US20120062432A1 US20120062432A1 US13/026,299 US201113026299A US2012062432A1 US 20120062432 A1 US20120062432 A1 US 20120062432A1 US 201113026299 A US201113026299 A US 201113026299A US 2012062432 A1 US2012062432 A1 US 2012062432A1
- Authority
- US
- United States
- Prior art keywords
- antenna
- directional
- smart
- display
- portable device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
Definitions
- the present invention relates to a directional antenna and smart antenna system using the same, and more particularly, to a directional antenna and smart antenna system using the same capable of utilizing a metal part of a display of a portable device as a reflector to generate a directional radiation pattern.
- Antenna design is crucial to a portable device with wireless communication function, such as wireless local area network (WLAN) or other mobile communication systems.
- WLAN wireless local area network
- one or a plurality of omni directional antennas are used to receive radio signals from all directions.
- Antenna diversity technique is also used to determine which one or more omni-directional antennas should be used to receive or transmit signals.
- the efficiency and gain of omni directional antennas are not good enough. Hence, there's a need for an antenna design that provides smarter and better receiving quality.
- the present invention discloses a directional antenna for a portable device.
- the directional antenna includes at least one antenna, disposed on a side of a display of the portable device, for utilizing a metal part of the display as a reflector to generate a directional radiation pattern.
- the present invention further discloses a smart antenna system for a portable device.
- the smart antenna system includes a plurality of directional antennas.
- Each directional antenna includes at least one antenna, disposed on a side of a display of the portable device, for utilizing a metal part of the display as a reflector to generate a directional radiation pattern. All of directional radiation patterns generated by the plurality of directional antennas substantially form an omni directional radiation pattern.
- FIG. 1 is a schematic diagram of a smart antenna system according to an embodiment of the present invention.
- FIG. 2A is a schematic diagram of an omni-directional antenna and a corresponding radiation pattern according to an embodiment of the present invention.
- FIG. 2B is a schematic diagram of another omni-directional antenna with a reflector and a corresponding radiation pattern according to an embodiment of the present invention.
- FIG. 3 is a directional antenna according to an embodiment of the present invention.
- FIG. 4A is a schematic diagram of the directional antenna shown in FIG. 3 disposed on a left side of a display of a laptop according to an embodiment of the present invention.
- FIG. 4B is a schematic diagram a reflection coefficient of the directional antenna according to an embodiment of the present invention.
- FIG. 5A is a directional antenna and a corresponding directional radiation pattern according to an embodiment of the present invention.
- FIG. 5B is a schematic diagram a reflection coefficient of the directional antenna shown in FIG. 5A according to an embodiment of the present invention.
- FIG. 1 is a schematic diagram of a smart antenna system 10 according to an embodiment of the present invention.
- the smart antenna system 10 is utilized in a portable device 12 .
- the smart antenna system 10 includes directional antennas ANT 1 -ANT 4 .
- a directional antenna ANT x of the directional antennas ANT 1 -ANT 4 includes at least one antenna.
- the at least one antenna is disposed on a side of a display 14 of the portable device 12 , and utilizes a metal part of the display 14 as a reflector to generate a directional radiation pattern DRP x .
- the side of the display 14 can be a left side, a right side, a bottom side, a top side or a back side (not shown) of the display 14 .
- All of directional radiation patterns DRP 1 -DRP 4 generated by the directional antennas ANT 1 -ANT 4 substantially form an omni directional radiation pattern.
- an ordinary directional antenna has many advantages in a corresponding directional radiation pattern, such as high gain for desired signal, long transmission distance, better received signal strength indication (RSSI), low side lobe for interference, low noise floor, and low power consumption under the same Equivalent isotropically radiated power (EIRP) requirement, etc. Therefore, in such a configuration, the omni directional radiation pattern substantially formed by the directional radiation patterns DRP 1 -DRP 4 has better efficiency than an omni directional radiation pattern formed by one or a plurality of omni directional antennas. As a result, the smart antenna system 10 can have better gain and efficiency.
- RSSI received signal strength indication
- EIRP Equivalent isotropically radiated power
- FIG. 2A is a schematic diagram of an omni-directional antenna 20 and a corresponding radiation pattern DRP according to an embodiment of the present invention
- FIG. 2B is a schematic diagram of another omni-directional antenna 22 with a reflector 24 and a corresponding radiation pattern DRP′ according to an embodiment of the present invention.
- the omni-directional antenna 22 with the reflector 24 can provide a directional field DRP'. Therefore, the omni-directional antenna 22 with the reflector 24 can act as a directional antenna, which provides a larger peak gain than that of omni-directional antenna 20 .
- a dipole antenna with a driver as shown in FIG.
- the peak gain will be 5 dB, which is twice the gain of the dipole antenna with the driver.
- the at least one antenna can utilize the metal part of the display 14 as the reflector to generate a directional radiation pattern DRP x .
- the metal part can be used as a ground, e.g. for a plane inverse F antenna (PIFA) antenna used in a conventional notebook, the metal part is used as the ground to design an omni-directional antenna.
- the at least one antenna utilizes the metal part of the display 14 as the reflector of the directional antenna ANT x that provides higher gain.
- the at least one antenna can be further designed to have constructive interference in a far field for more gain enhancement.
- FIG. 3 is a directional antenna 30 according to an embodiment of the present invention.
- the directional antenna 30 is utilized as the directional antenna ANT x , when the directional antenna ANT x is disposed on one of the left side, the right side, the bottom side and the top side of the display 14 , where the space is very narrow.
- the directional antenna 30 includes at least one antenna. Take the directional antenna 30 as a series feed dipole array antenna for example, the directional antenna 30 further includes a feed line, a pad and a two layer substrate for a top metal and a bottom metal, which can be a FR4 substrate with a length L 3 and a thickness W (e.g. 140 mm and 0.6 mm, respectively).
- the at least one antenna is series-fed, and can be a dipole antenna D 1 with a length L 1 and a dipole antenna D 2 with a length L 2 , wherein the length L 1 equals to the length L 2 (e.g. 50 mm).
- a distance d between the dipole antenna D 1 and the dipole antenna D 2 can be designed, e.g. 70 mm, such that the dipole antenna D 1 and the dipole antenna D 2 have a specific phase difference.
- the feed line feeds signals in a dual conductor way by feeding the signals to the dipole antenna D 1 and feeding to the dipole antenna D 2 with the specific phase difference, such that the dipole antenna D 1 and the dipole antenna D 2 have constructive interference in the far field.
- the pad is located at a feeding point for impedance matching.
- a fire wire of a co-axial wire is bonded to the feed line of the bottom metal, while the a wire is bonded to the pad of the top metal. With this design, the maximum gain of the antenna can be increased.
- FIG. 4A is a schematic diagram of the directional antenna 30 shown in FIG. 3 disposed on a left side of a display 44 of a laptop 40 according to an embodiment of the present invention
- FIG. 4B is a schematic diagram a reflection coefficient of the directional antenna 30 according to an embodiment of the present invention.
- the directional antenna 30 can utilize a metal part of the display 44 as a reflector to generate a directional radiation pattern with an antenna peak gain of 6 dB.
- the directional antenna 30 can have a return loss less than ⁇ 10 dB between 2.4 GHz ⁇ 2.5 GHz.
- the directional antenna 30 can be disposed on the right side and the top side of the display 44 , so as to utilize the metal part of the display 44 as a reflector to generate directional radiation patterns as well.
- FIG. 5A is a directional antenna 50 and a corresponding directional radiation pattern according to an embodiment of the present invention.
- the directional antenna 50 is utilized as the directional antenna ANT x , when the directional antenna ANT x is disposed on the back side of the display 14 , where the space is very thin but broad.
- the directional antenna 50 includes at least one antenna. Take the directional antenna 50 as a parallel feed patch array antenna for example, the at least one antenna is parallel-fed, and can be four patch antennas P 1 -P 4 with similar size and a parallel feed-in network.
- the directional antenna 50 can utilize a metal part of the display 14 as a reflector to generate a directional radiation pattern with an antenna gain of 8 dB.
- the directional antenna 50 can have a return loss less than ⁇ 10 dB between 2.4 GHz ⁇ 2.5 GHz as shown in FIG. 5B , which is a schematic diagram a return loss of the directional antenna 50 shown in FIG. 5A according to an embodiment of the present invention.
- the spirit of the present invention is to utilize a metal part of a display of a portable device as a reflector to generate a directional radiation pattern, such that all directional radiation patterns generated can substantially form an omni directional patter and thus have better gain and efficiency.
- the portable device 12 is preferably a laptop, but can be a tablet computer, a mobile phone, etc.
- the at least one antenna of the directional antenna 30 is not limited to any feeding type, antenna type or number, as long as the at least one antenna can be disposed on one of the left side, the right side, the bottom side and the top side of the display 14 , where the space is very narrow, to utilize a metal part of a display as a reflector to generate a directional radiation pattern.
- the at least one antenna of the directional antenna 30 is not limited to be series-fed, and can be parallel-fed as well; the at least one antenna of the directional antenna 30 is not limited to be dipole antenna, and can be folded dipole antenna or other antenna types.
- the at least one antenna of the directional antenna 50 is also not limited to any feeding type, antenna type or number, as long as the at least one antenna can be disposed on the back side of the display 14 , where the space is very thin but broad, to utilize a metal part of a display as a reflector to generate a directional radiation pattern.
- the at least one antenna of the directional antenna 50 is not limited to be parallel-fed, and can be series-fed as well, as long as two of the at least one antenna of the directional antenna 50 have a specific phase difference, such that the two of the at least one antenna of the directional antenna 50 have constructive interference in a far field.
- the present invention utilize the metal part of the display as a reflector to generate directional radiation patterns, so as to substantially form an omni directional patter with better gain and efficiency.
- the present invention provides a series feed dipole array antenna design for the left side, the right side, the bottom side and the top side of the display, and a parallel feed patch array antenna for a back side of the display, so as to generate directional radiation with higher gain and efficiency.
Abstract
Description
- This application claims the benefits of U.S. Provisional Application No. 61/382,922, filed on Sep. 15, 2010 and entitled “SMART ANTENNA AND SYSTEM USING THE SAME”, U.S. Provisional Application No. 61/422,660, filed on Dec. 14, 2010 and entitled “SMART ANTENNA SYSTEM”, and U.S. Provisional Application No. 61/425,252, filed on Dec. 21, 2010 and entitled “PORTABLE DEVICE WITH SMART ANTENNA” the contents of which are incorporated herein by reference.
- 1. Field of the Invention
- The present invention relates to a directional antenna and smart antenna system using the same, and more particularly, to a directional antenna and smart antenna system using the same capable of utilizing a metal part of a display of a portable device as a reflector to generate a directional radiation pattern.
- 2. Description of the Prior Art
- Antenna design is crucial to a portable device with wireless communication function, such as wireless local area network (WLAN) or other mobile communication systems. In a conventional wireless communication device, one or a plurality of omni directional antennas are used to receive radio signals from all directions. Antenna diversity technique is also used to determine which one or more omni-directional antennas should be used to receive or transmit signals. However, the efficiency and gain of omni directional antennas are not good enough. Hence, there's a need for an antenna design that provides smarter and better receiving quality.
- It is therefore an object of the present invention to provide a directional antenna and smart antenna system using the same capable of utilizing a metal part of a display of a portable device as a reflector to generate a directional radiation pattern.
- The present invention discloses a directional antenna for a portable device. The directional antenna includes at least one antenna, disposed on a side of a display of the portable device, for utilizing a metal part of the display as a reflector to generate a directional radiation pattern.
- The present invention further discloses a smart antenna system for a portable device. The smart antenna system includes a plurality of directional antennas. Each directional antenna includes at least one antenna, disposed on a side of a display of the portable device, for utilizing a metal part of the display as a reflector to generate a directional radiation pattern. All of directional radiation patterns generated by the plurality of directional antennas substantially form an omni directional radiation pattern.
- These and other objectives of the present invention will no doubt become obvious to those of ordinary skill in the art after reading the following detailed description of the preferred embodiment that is illustrated in the various figures and drawings.
-
FIG. 1 is a schematic diagram of a smart antenna system according to an embodiment of the present invention. -
FIG. 2A is a schematic diagram of an omni-directional antenna and a corresponding radiation pattern according to an embodiment of the present invention. -
FIG. 2B is a schematic diagram of another omni-directional antenna with a reflector and a corresponding radiation pattern according to an embodiment of the present invention. -
FIG. 3 is a directional antenna according to an embodiment of the present invention. -
FIG. 4A is a schematic diagram of the directional antenna shown inFIG. 3 disposed on a left side of a display of a laptop according to an embodiment of the present invention. -
FIG. 4B is a schematic diagram a reflection coefficient of the directional antenna according to an embodiment of the present invention. -
FIG. 5A is a directional antenna and a corresponding directional radiation pattern according to an embodiment of the present invention. -
FIG. 5B is a schematic diagram a reflection coefficient of the directional antenna shown inFIG. 5A according to an embodiment of the present invention. - Please refer to
FIG. 1 , which is a schematic diagram of asmart antenna system 10 according to an embodiment of the present invention. Thesmart antenna system 10 is utilized in aportable device 12. Thesmart antenna system 10 includes directional antennas ANT1-ANT4. A directional antenna ANTx of the directional antennas ANT1-ANT4 includes at least one antenna. The at least one antenna is disposed on a side of adisplay 14 of theportable device 12, and utilizes a metal part of thedisplay 14 as a reflector to generate a directional radiation pattern DRPx. The side of thedisplay 14 can be a left side, a right side, a bottom side, a top side or a back side (not shown) of thedisplay 14. All of directional radiation patterns DRP1-DRP4 generated by the directional antennas ANT1-ANT4 substantially form an omni directional radiation pattern. - Noticeably, compared with an omni directional antenna, an ordinary directional antenna has many advantages in a corresponding directional radiation pattern, such as high gain for desired signal, long transmission distance, better received signal strength indication (RSSI), low side lobe for interference, low noise floor, and low power consumption under the same Equivalent isotropically radiated power (EIRP) requirement, etc. Therefore, in such a configuration, the omni directional radiation pattern substantially formed by the directional radiation patterns DRP1-DRP4 has better efficiency than an omni directional radiation pattern formed by one or a plurality of omni directional antennas. As a result, the
smart antenna system 10 can have better gain and efficiency. - In detail, please refer to
FIG. 2A andFIG. 2B .FIG. 2A is a schematic diagram of an omni-directional antenna 20 and a corresponding radiation pattern DRP according to an embodiment of the present invention, andFIG. 2B is a schematic diagram of another omni-directional antenna 22 with areflector 24 and a corresponding radiation pattern DRP′ according to an embodiment of the present invention. As shown inFIG. 2A andFIG. 2B , the omni-directional antenna 22 with thereflector 24 can provide a directional field DRP'. Therefore, the omni-directional antenna 22 with thereflector 24 can act as a directional antenna, which provides a larger peak gain than that of omni-directional antenna 20. For example, a dipole antenna with a driver (as shown inFIG. 2A ) has a maximum antenna peak gain of 2 dB. If a reflector is added to the dipole antenna (as shown inFIG. 2B ), the peak gain will be 5 dB, which is twice the gain of the dipole antenna with the driver. - In such a situation, please continue referring to
FIG. 1 . In order to place the directional antenna ANTx into a space between the side of thedisplay 14 and a housing of theportable device 12, the at least one antenna can utilize the metal part of thedisplay 14 as the reflector to generate a directional radiation pattern DRPx. Noticeably, since a frame of thedisplay 14 is metal, the metal part can be used as a ground, e.g. for a plane inverse F antenna (PIFA) antenna used in a conventional notebook, the metal part is used as the ground to design an omni-directional antenna. In comparison, in the present invention, the at least one antenna utilizes the metal part of thedisplay 14 as the reflector of the directional antenna ANTx that provides higher gain. Moreover, the at least one antenna can be further designed to have constructive interference in a far field for more gain enhancement. - For example, please refer to
FIG. 3 , which is adirectional antenna 30 according to an embodiment of the present invention. Thedirectional antenna 30 is utilized as the directional antenna ANTx, when the directional antenna ANTx is disposed on one of the left side, the right side, the bottom side and the top side of thedisplay 14, where the space is very narrow. - As shown in
FIG. 3 , thedirectional antenna 30 includes at least one antenna. Take thedirectional antenna 30 as a series feed dipole array antenna for example, thedirectional antenna 30 further includes a feed line, a pad and a two layer substrate for a top metal and a bottom metal, which can be a FR4 substrate with a length L3 and a thickness W (e.g. 140 mm and 0.6 mm, respectively). The at least one antenna is series-fed, and can be a dipole antenna D1 with a length L1 and a dipole antenna D2 with a length L2, wherein the length L1 equals to the length L2 (e.g. 50 mm). A distance d between the dipole antenna D1 and the dipole antenna D2 can be designed, e.g. 70 mm, such that the dipole antenna D1 and the dipole antenna D2 have a specific phase difference. The feed line feeds signals in a dual conductor way by feeding the signals to the dipole antenna D1 and feeding to the dipole antenna D2 with the specific phase difference, such that the dipole antenna D1 and the dipole antenna D2 have constructive interference in the far field. The pad is located at a feeding point for impedance matching. A fire wire of a co-axial wire is bonded to the feed line of the bottom metal, while the a wire is bonded to the pad of the top metal. With this design, the maximum gain of the antenna can be increased. - Please refer to
FIG. 4A andFIG. 4B .FIG. 4A is a schematic diagram of thedirectional antenna 30 shown inFIG. 3 disposed on a left side of adisplay 44 of alaptop 40 according to an embodiment of the present invention, andFIG. 4B is a schematic diagram a reflection coefficient of thedirectional antenna 30 according to an embodiment of the present invention. As shown inFIG. 4A andFIG. 4B , thedirectional antenna 30 can utilize a metal part of thedisplay 44 as a reflector to generate a directional radiation pattern with an antenna peak gain of 6 dB. Besides, thedirectional antenna 30 can have a return loss less than −10 dB between 2.4 GHz˜2.5 GHz. By the same token, thedirectional antenna 30 can be disposed on the right side and the top side of thedisplay 44, so as to utilize the metal part of thedisplay 44 as a reflector to generate directional radiation patterns as well. - On the other hand, please refer to
FIG. 5A , which is adirectional antenna 50 and a corresponding directional radiation pattern according to an embodiment of the present invention. Thedirectional antenna 50 is utilized as the directional antenna ANTx, when the directional antenna ANTx is disposed on the back side of thedisplay 14, where the space is very thin but broad. - As shown in
FIG. 5A , thedirectional antenna 50 includes at least one antenna. Take thedirectional antenna 50 as a parallel feed patch array antenna for example, the at least one antenna is parallel-fed, and can be four patch antennas P1-P4 with similar size and a parallel feed-in network. Thedirectional antenna 50 can utilize a metal part of thedisplay 14 as a reflector to generate a directional radiation pattern with an antenna gain of 8 dB. Besides, thedirectional antenna 50 can have a return loss less than −10 dB between 2.4 GHz˜2.5 GHz as shown inFIG. 5B , which is a schematic diagram a return loss of thedirectional antenna 50 shown inFIG. 5A according to an embodiment of the present invention. - Noticeably, the spirit of the present invention is to utilize a metal part of a display of a portable device as a reflector to generate a directional radiation pattern, such that all directional radiation patterns generated can substantially form an omni directional patter and thus have better gain and efficiency. Those skilled in the art shout make modifications or alterations accordingly. For example, the
portable device 12 is preferably a laptop, but can be a tablet computer, a mobile phone, etc. - Besides, the at least one antenna of the
directional antenna 30 is not limited to any feeding type, antenna type or number, as long as the at least one antenna can be disposed on one of the left side, the right side, the bottom side and the top side of thedisplay 14, where the space is very narrow, to utilize a metal part of a display as a reflector to generate a directional radiation pattern. For example, the at least one antenna of thedirectional antenna 30 is not limited to be series-fed, and can be parallel-fed as well; the at least one antenna of thedirectional antenna 30 is not limited to be dipole antenna, and can be folded dipole antenna or other antenna types. - On the other hand, the at least one antenna of the
directional antenna 50 is also not limited to any feeding type, antenna type or number, as long as the at least one antenna can be disposed on the back side of thedisplay 14, where the space is very thin but broad, to utilize a metal part of a display as a reflector to generate a directional radiation pattern. For example, the at least one antenna of thedirectional antenna 50 is not limited to be parallel-fed, and can be series-fed as well, as long as two of the at least one antenna of thedirectional antenna 50 have a specific phase difference, such that the two of the at least one antenna of thedirectional antenna 50 have constructive interference in a far field. - In the prior art, efficiency and gain of omni directional antennas are not good enough. In comparison, the present invention utilize the metal part of the display as a reflector to generate directional radiation patterns, so as to substantially form an omni directional patter with better gain and efficiency. Moreover, the present invention provides a series feed dipole array antenna design for the left side, the right side, the bottom side and the top side of the display, and a parallel feed patch array antenna for a back side of the display, so as to generate directional radiation with higher gain and efficiency.
- Those skilled in the art will readily observe that numerous modifications and alterations of the device and method may be made while retaining the teachings of the invention. Accordingly, the above disclosure should be construed as limited only by the metes and bounds of the appended claims.
Claims (28)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/026,299 US20120062432A1 (en) | 2010-09-15 | 2011-02-14 | Directional Antenna and Smart Antenna System Using the Same |
TW100112265A TWI509888B (en) | 2010-09-15 | 2011-04-08 | Directional antenna and smart antenna system using the same |
CN2011100971401A CN102403566A (en) | 2010-09-15 | 2011-04-15 | Directional antenna and smart antenna system |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38292210P | 2010-09-15 | 2010-09-15 | |
US42266010P | 2010-12-14 | 2010-12-14 | |
US201061425252P | 2010-12-21 | 2010-12-21 | |
US13/026,299 US20120062432A1 (en) | 2010-09-15 | 2011-02-14 | Directional Antenna and Smart Antenna System Using the Same |
Publications (1)
Publication Number | Publication Date |
---|---|
US20120062432A1 true US20120062432A1 (en) | 2012-03-15 |
Family
ID=45806156
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/026,299 Abandoned US20120062432A1 (en) | 2010-09-15 | 2011-02-14 | Directional Antenna and Smart Antenna System Using the Same |
US13/026,296 Active 2031-06-25 US8674878B2 (en) | 2010-09-15 | 2011-02-14 | Smart antenna system |
US13/040,276 Abandoned US20120062427A1 (en) | 2010-09-15 | 2011-03-04 | Positioning Method and Wireless Communication System Using the Same |
US13/098,493 Abandoned US20120062423A1 (en) | 2010-09-15 | 2011-05-02 | Portable device with smart antenna |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/026,296 Active 2031-06-25 US8674878B2 (en) | 2010-09-15 | 2011-02-14 | Smart antenna system |
US13/040,276 Abandoned US20120062427A1 (en) | 2010-09-15 | 2011-03-04 | Positioning Method and Wireless Communication System Using the Same |
US13/098,493 Abandoned US20120062423A1 (en) | 2010-09-15 | 2011-05-02 | Portable device with smart antenna |
Country Status (3)
Country | Link |
---|---|
US (4) | US20120062432A1 (en) |
CN (3) | CN102403574A (en) |
TW (4) | TWI509888B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI563733B (en) * | 2015-04-07 | 2016-12-21 | Wistron Neweb Corp | Smart antenna module and omni-directional antenna thereof |
US11055982B1 (en) * | 2020-03-09 | 2021-07-06 | Masouda Wardak | Health condition monitoring device |
US20210384649A1 (en) * | 2018-12-28 | 2021-12-09 | Flex Ltd. | Devices, systems, and methods for directional antennas that protect sensitive zones |
EP3425731B1 (en) * | 2017-05-12 | 2023-10-18 | Autel Robotics Co., Ltd. | Antenna assembly and remote control having same |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8483617B2 (en) * | 2010-09-30 | 2013-07-09 | Broadcom Corporation | Portable computing device with high-speed data communication |
TWI461721B (en) * | 2012-03-16 | 2014-11-21 | Quadlink Technology Inc | Object detection device and method thereof |
US8907847B2 (en) * | 2012-05-02 | 2014-12-09 | Hing S. Tong | Directional antenna system for portable communication device |
CN102833854A (en) * | 2012-09-05 | 2012-12-19 | 福建星网锐捷网络有限公司 | Positioning method, device and wireless local area network |
TWI528639B (en) | 2012-10-09 | 2016-04-01 | 啟碁科技股份有限公司 | Antenna device and wireless communication device using the same |
CN103217663B (en) * | 2013-04-08 | 2015-04-22 | 程伟 | Method for positioning, tracking, authenticating and generating password based on antenna signal |
CN104284400B (en) * | 2013-07-01 | 2018-06-01 | 联想(北京)有限公司 | Information processing method and electronic equipment |
CN104638383A (en) * | 2013-11-15 | 2015-05-20 | 智捷科技股份有限公司 | Intelligent antenna assembly and quick radiation pattern switching method thereof |
CN104717668A (en) * | 2013-12-16 | 2015-06-17 | 展讯通信(上海)有限公司 | System and method used for improving mobile terminal antenna directionality |
TWI540851B (en) | 2013-12-27 | 2016-07-01 | 啟碁科技股份有限公司 | Radio frequency signal processing method and wireless communication device |
CN104754731A (en) * | 2013-12-30 | 2015-07-01 | 慧流系统整合股份有限公司 | Indoor positioning system and positioning method of distributed antenna system |
US20140169358A1 (en) * | 2014-02-24 | 2014-06-19 | Naser Krasniqi | Tracking And Messaging Based On Prior SSIDs Received |
TWI527492B (en) | 2014-05-14 | 2016-03-21 | 和碩聯合科技股份有限公司 | Electronic device |
TWI544829B (en) | 2014-06-16 | 2016-08-01 | 智邦科技股份有限公司 | Wireless network device and wireless network control method |
CN104090265B (en) | 2014-07-04 | 2016-10-05 | 北京智谷睿拓技术服务有限公司 | Localization method and equipment |
US9697656B2 (en) | 2014-08-19 | 2017-07-04 | Sensormatic Electronics, LLC | Method and system for access control proximity location |
US10158550B2 (en) | 2014-08-19 | 2018-12-18 | Sensormatic Electronics, LLC | Access control system with omni and directional antennas |
US10235854B2 (en) | 2014-08-19 | 2019-03-19 | Sensormatic Electronics, LLC | Tailgating detection in frictionless access control system |
US9865144B2 (en) | 2014-08-19 | 2018-01-09 | Sensormatic Electronics, LLC | Video recognition in frictionless access control system |
US9578644B2 (en) * | 2014-09-26 | 2017-02-21 | Mediatek Inc. | Beam misalignment detection for wireless communication system with beamforming |
TWI526915B (en) * | 2014-11-12 | 2016-03-21 | 拓景科技股份有限公司 | Methods and systems for displaying graphic representations in a user interface, and related computer program products |
CN104506712B (en) * | 2014-11-28 | 2017-04-05 | 东莞宇龙通信科技有限公司 | Show the method and terminal device of signal strength signal intensity |
WO2016082175A1 (en) * | 2014-11-28 | 2016-06-02 | 华为技术有限公司 | Method, apparatus, device and system for antenna alignment |
CN112468191B (en) * | 2015-01-30 | 2021-06-18 | 北京桂花网科技有限公司 | Bluetooth transparent repeater |
US9936352B2 (en) * | 2015-02-02 | 2018-04-03 | Qualcomm, Incorporated | Techniques for estimating distance between wireless communication devices |
US9565649B2 (en) * | 2015-02-27 | 2017-02-07 | Qualcomm Incorporated | Distribution and utilization of antenna information for location determination operations |
US9825688B2 (en) * | 2015-02-27 | 2017-11-21 | Bose Corporation | Systems and methods of antenna diversity switching |
US9947155B2 (en) | 2015-05-20 | 2018-04-17 | Sensormatic Electronics, LLC | Frictionless access system for public access point |
CN106249195B (en) * | 2015-06-12 | 2019-02-05 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
CN105048092A (en) * | 2015-08-14 | 2015-11-11 | 常熟泓淋电子有限公司 | Control device of multiple-antenna system |
CN105577223B (en) * | 2015-12-14 | 2018-11-09 | 联想(北京)有限公司 | Signal processing method and electronic equipment |
CN205596104U (en) * | 2016-03-24 | 2016-09-21 | 广州视睿电子科技有限公司 | Receiving arrangement , communication device and intelligent electronic device |
US10359497B1 (en) * | 2016-04-07 | 2019-07-23 | Sprint Communications Company L.P. | Directional antenna orientation optimization |
CN106101980A (en) * | 2016-05-25 | 2016-11-09 | 龙发明 | The direction recognizing method of Bluetooth system, equipment and Bluetooth signal |
CN106130617B (en) * | 2016-06-17 | 2019-09-10 | 谭毅 | The terminal orientation algorithm scanned step by step based on antenna array beam forming angle |
KR102588492B1 (en) * | 2016-11-28 | 2023-10-13 | 삼성전자주식회사 | Apparatus and method for detecting beam misalignment in wireless communication system |
EP3379737B1 (en) * | 2017-03-23 | 2020-09-23 | Legic Identsystems AG | System and method for determining location information for a mobile radio transmitter |
CN107728137B (en) * | 2017-10-10 | 2021-11-05 | 芜湖华创光电科技有限公司 | Passive radar system with multi-antenna array switching |
CN109041069A (en) * | 2018-07-02 | 2018-12-18 | 四川斐讯信息技术有限公司 | A kind of method and system adjusting router signal cover |
KR102557050B1 (en) * | 2018-12-27 | 2023-07-19 | 한국전자통신연구원 | Method for transmitting and receiving signal based on full duplex communication and apparatus for the same |
CN109904592B (en) * | 2019-04-02 | 2021-07-20 | 维沃移动通信有限公司 | Antenna structure and communication terminal |
CN111029735B (en) * | 2019-11-21 | 2022-12-20 | 腾讯科技(深圳)有限公司 | Antenna module and terminal equipment |
US11823165B2 (en) * | 2020-02-05 | 2023-11-21 | Radius Networks, Inc. | Associating prior arrangements with on-premise manual transactions and concomitant presence of actor's presence-advertising emitter in fine resolution region |
US11245478B1 (en) * | 2020-02-27 | 2022-02-08 | Keysight Technologies, Inc. | Method and system for determining relative complex gain of channels in phase array antenna |
TWI778417B (en) * | 2020-09-15 | 2022-09-21 | 英業達股份有限公司 | Smart antenna system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080316120A1 (en) * | 2007-06-19 | 2008-12-25 | Kabushiki Kaisha Toshiba | Electronic apparatus |
US20090179805A1 (en) * | 2007-10-23 | 2009-07-16 | Psion Teklogix Inc. | Antenna system for wireless digital devices |
US20100073241A1 (en) * | 2008-09-25 | 2010-03-25 | Enrique Ayala Vazquez | Cavity antenna for wireless electronic devices |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7103380B1 (en) * | 1997-04-04 | 2006-09-05 | Ditzik Richard J | Wireless handset communication system |
US6195556B1 (en) * | 1997-07-15 | 2001-02-27 | Metawave Communications Corporation | System and method of determining a mobile station's position using directable beams |
JP2005509136A (en) | 2001-04-03 | 2005-04-07 | エイ ティ アンド ティ ワイヤレス サービシズ インコーポレイテッド | Mobile station location estimation method and apparatus |
JP2003060422A (en) | 2001-08-09 | 2003-02-28 | Matsushita Electric Ind Co Ltd | Display-antenna integrated structure and communication device |
US6879296B2 (en) | 2001-11-21 | 2005-04-12 | Superpass Company Inc. | Horizontally polarized slot antenna with omni-directional and sectorial radiation patterns |
US6816116B2 (en) * | 2002-03-22 | 2004-11-09 | Quanta Computer, Inc. | Smart antenna for portable devices |
US7042394B2 (en) | 2002-08-14 | 2006-05-09 | Skipper Wireless Inc. | Method and system for determining direction of transmission using multi-facet antenna |
US7212499B2 (en) * | 2002-09-30 | 2007-05-01 | Ipr Licensing, Inc. | Method and apparatus for antenna steering for WLAN |
US7313403B2 (en) | 2003-08-06 | 2007-12-25 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Location positioning in wireless networks |
US7460082B2 (en) * | 2003-12-30 | 2008-12-02 | Intel Corporation | Sectored antenna systems for WLAN |
CN1691409A (en) * | 2004-04-28 | 2005-11-02 | 夏普株式会社 | Antenna installation, antenna system and broadcast receiving device |
US7224321B2 (en) * | 2004-07-29 | 2007-05-29 | Interdigital Technology Corporation | Broadband smart antenna and associated methods |
US7917092B2 (en) * | 2004-12-14 | 2011-03-29 | Interdigital Technology Corporation | Beam selection apparatus and method in voice over internet protocol over switched beam wireless local area network |
GB0515185D0 (en) | 2005-07-22 | 2005-08-31 | Fox Andrew J | Beam definable antenna |
US20070049203A1 (en) * | 2005-08-29 | 2007-03-01 | Dillon Matt J | System and method for adjusting the coverage footprint of an antenna |
KR101200736B1 (en) * | 2006-03-14 | 2012-11-13 | 퀄컴 인코포레이티드 | Apparatus and method for transmitting and receiving packet data in a smart antenna system |
US8670802B2 (en) | 2006-04-05 | 2014-03-11 | Danko Antolovic | Wireless network radiolocation apparatuses, systems and methods |
US8077111B2 (en) * | 2006-11-23 | 2011-12-13 | Telefonaktiebolaget L M Ericsson (Publ) | Optimized radiation patterns |
TWI369025B (en) * | 2007-12-05 | 2012-07-21 | Antennas Direct Inc | Antenna assemblies with antenna elements and reflectors |
US20090322621A1 (en) * | 2008-06-30 | 2009-12-31 | Qualcomm Incorporated | Antenna array configurations for high throughput mimo wlan systems |
US8688112B2 (en) | 2008-09-12 | 2014-04-01 | Qualcomm Incorporated | Neighboring cell search for mobile communication systems |
EP2342837B1 (en) * | 2008-11-04 | 2016-04-13 | Nokia Technologies Oy | Asymmetric beam steering protocol |
CN101626106B (en) * | 2009-08-05 | 2013-08-21 | 中兴通讯股份有限公司 | Switching method of built-in antenna and exposed antenna of FM receiver as well as terminal thereof |
US8548385B2 (en) * | 2009-12-16 | 2013-10-01 | Intel Corporation | Device, system and method of wireless communication via multiple antenna assemblies |
-
2011
- 2011-02-14 US US13/026,299 patent/US20120062432A1/en not_active Abandoned
- 2011-02-14 US US13/026,296 patent/US8674878B2/en active Active
- 2011-03-04 US US13/040,276 patent/US20120062427A1/en not_active Abandoned
- 2011-04-08 TW TW100112265A patent/TWI509888B/en not_active IP Right Cessation
- 2011-04-13 TW TW100112782A patent/TWI452763B/en active
- 2011-04-15 CN CN2011100971793A patent/CN102403574A/en active Pending
- 2011-04-15 CN CN2011100971401A patent/CN102403566A/en active Pending
- 2011-05-02 US US13/098,493 patent/US20120062423A1/en not_active Abandoned
- 2011-07-06 TW TW100123825A patent/TWI407132B/en active
- 2011-07-15 TW TW100125097A patent/TW201212383A/en unknown
- 2011-07-22 CN CN201110208257.2A patent/CN102404843B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080316120A1 (en) * | 2007-06-19 | 2008-12-25 | Kabushiki Kaisha Toshiba | Electronic apparatus |
US20090179805A1 (en) * | 2007-10-23 | 2009-07-16 | Psion Teklogix Inc. | Antenna system for wireless digital devices |
US20100073241A1 (en) * | 2008-09-25 | 2010-03-25 | Enrique Ayala Vazquez | Cavity antenna for wireless electronic devices |
Non-Patent Citations (2)
Title |
---|
Liu et al "Developing Integrated Antenna Subsystems for laptop computers" IBM J. RES. & DEV. VOL. 47 NO. 2/3 MARCH/MAY 2003 p.355-367. * |
Wong et al. ("Dual-Band Flat-Plate Antenna With a Shorted Parasitic Element for Laptop Applications" IEEE Transactions on Antennas and Propagation, Vol. 53, No. 1, Jan 2005 p.539-544). * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI563733B (en) * | 2015-04-07 | 2016-12-21 | Wistron Neweb Corp | Smart antenna module and omni-directional antenna thereof |
US9786998B2 (en) | 2015-04-07 | 2017-10-10 | Wistron Neweb Corporation | Smart antenna module and omni-directional antenna thereof |
EP3425731B1 (en) * | 2017-05-12 | 2023-10-18 | Autel Robotics Co., Ltd. | Antenna assembly and remote control having same |
US20210384649A1 (en) * | 2018-12-28 | 2021-12-09 | Flex Ltd. | Devices, systems, and methods for directional antennas that protect sensitive zones |
US11677165B2 (en) * | 2018-12-28 | 2023-06-13 | Flex Ltd. | Devices, systems, and methods for directional antennas that protect sensitive zones |
US11055982B1 (en) * | 2020-03-09 | 2021-07-06 | Masouda Wardak | Health condition monitoring device |
Also Published As
Publication number | Publication date |
---|---|
US20120062427A1 (en) | 2012-03-15 |
TWI452763B (en) | 2014-09-11 |
CN102403574A (en) | 2012-04-04 |
US8674878B2 (en) | 2014-03-18 |
CN102403566A (en) | 2012-04-04 |
CN102404843A (en) | 2012-04-04 |
US20120062422A1 (en) | 2012-03-15 |
CN102404843B (en) | 2016-03-30 |
TW201212384A (en) | 2012-03-16 |
TWI509888B (en) | 2015-11-21 |
TW201212382A (en) | 2012-03-16 |
TWI407132B (en) | 2013-09-01 |
TW201211571A (en) | 2012-03-16 |
TW201212383A (en) | 2012-03-16 |
US20120062423A1 (en) | 2012-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20120062432A1 (en) | Directional Antenna and Smart Antenna System Using the Same | |
CN111628275B (en) | Electronic device with probe-fed dielectric resonator antenna | |
CN103915678B (en) | Omni-directional | |
US10135149B2 (en) | Phased array for millimeter-wave mobile handsets and other devices | |
US20110090131A1 (en) | Printed Dual-Band Yagi-Uda Antenna and Circular Polarization Antenna | |
US9590313B2 (en) | Planar dual polarization antenna | |
US8723751B2 (en) | Antenna system with planar dipole antennas and electronic apparatus having the same | |
US20120212376A1 (en) | Planar Dual Polarization Antenna | |
US9118117B2 (en) | Receiving and transmitting device for wireless transceiver | |
CN101673873B (en) | Planar dual-antenna system for mobile terminal | |
US8838176B2 (en) | High gain antenna and wireless device using the same | |
US9490538B2 (en) | Planar dual polarization antenna and complex antenna | |
CN102104193A (en) | Multiple input multiple output antenna system | |
CN101572351B (en) | Multi-input multi-output antenna | |
US11552402B2 (en) | Electronic devices having side-mounted antenna modules | |
US20160006132A1 (en) | Dual-feed dual-polarization high directivity array antenna system | |
CN102780071A (en) | Three-dimensional antenna | |
US20070279298A1 (en) | Antenna module and wireless communication device using the same | |
CN115275557A (en) | Electronic device with folded antenna module | |
CN112542699A (en) | Integrated millimeter wave antenna module | |
US10644389B1 (en) | Double-frequency antenna structure with high isolation | |
CN114256636A (en) | Electronic device with multiple phased antenna arrays | |
CN103972649A (en) | Antenna assembly and wireless communication device with same | |
US8912969B2 (en) | Directional antenna and radiating pattern adjustment method | |
CN116231274A (en) | Electronic device with tilted antenna array |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: RALINK TECHNOLOGY CORP., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WU, MIN-CHUNG;REEL/FRAME:025800/0134 Effective date: 20110127 |
|
AS | Assignment |
Owner name: MEDIATEK INC., TAIWAN Free format text: MERGER (RESUBMISSION OF THE MISSING MERGER DOCUMENTS FOR RESPONSE TO DOC ID:502887510) EFFECTIVE DATE:04/01/2014. WE ATTACHED THE MERGER DOCUMENTS ON JULY 11,2014. PLEASE REVIEW THE FILES AND REVISE THE DATE OF RECORDATION AS JULY 11, 2014;ASSIGNOR:RALINK TECHNOLOGY CORP.;REEL/FRAME:033471/0181 Effective date: 20140401 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |