WO2008112573A1 - Multiple radios communication device and a method thereof - Google Patents
Multiple radios communication device and a method thereof Download PDFInfo
- Publication number
- WO2008112573A1 WO2008112573A1 PCT/US2008/056288 US2008056288W WO2008112573A1 WO 2008112573 A1 WO2008112573 A1 WO 2008112573A1 US 2008056288 W US2008056288 W US 2008056288W WO 2008112573 A1 WO2008112573 A1 WO 2008112573A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wireless communication
- radio
- signals
- communication device
- frequency bands
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/7163—Spread spectrum techniques using impulse radio
-
- 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
- H04B7/0413—MIMO systems
-
- 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
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
Definitions
- Wireless communication networks may utilize different medium access schemes. For example, cellular networks utilized cellular access schemes, wireless local area network utilizes IEEE 802.11 standard and metropolitan area network (MAN) utilizes IEEE 802.16 standard. Different radio devices are used for each of these networks and may operate in different frequencies and/or different modulation schemes.
- cellular networks utilized cellular access schemes
- wireless local area network utilizes IEEE 802.11 standard
- MAN metropolitan area network
- IEEE 802.16 standard utilizes IEEE 802.16 standard.
- Different radio devices are used for each of these networks and may operate in different frequencies and/or different modulation schemes.
- a wireless communication device that is able to operate in different networks may include plurality of separate radios for each wireless network.
- This wireless communication device may include a large number of internal connections, transmit/receive paths, amplifiers and antennas.
- the wireless communication device may include a fixed number of antennas and multiple inputs multiple outputs (MIMO) channels for each radio of the wireless communication device.
- MIMO multiple inputs multiple outputs
- FIG. 2 is a schematic block diagram of a wireless communication device according to some exemplary embodiments of the present invention.
- FIG. 3 is an exemplary table shows different configurations of signals combinations to be transmitted and/or received with the exemplary wireless communication device of FIG. 2;
- FIG. 4 is a schematic block diagram of a radio front end module (FEM) according to some exemplary embodiments of the invention.
- FEM radio front end module
- the present invention may be used in a variety of applications. Although the present invention is not limited in this respect, the circuits and techniques disclosed herein may be used in many apparatuses such as transmitters and/or receivers of a radio system. Transmitters and/or receivers intended to be included within the scope of the present invention may be included, by way of example only, within a wireless local area network (WLAN) also known as WiFi, an ultra wide band radio (UWB), a wireless Metropolitan area network (WMAN) also known as WiMAX, two-way radio communication system, digital communication system, analog communication system transmitters, cellular radiotelephone communication system, LTE cellular communication systems and the like.
- WLAN wireless local area network
- UWB ultra wide band radio
- WMAN wireless Metropolitan area network
- two-way radio communication system digital communication system
- analog communication system transmitters cellular radiotelephone communication system
- LTE cellular communication systems and the like.
- wireless communication network 100 may includes a WMAN 110, a WLAN 120, an UWB network 130 and a wireless communication device 140 that includes multi radios, multi band and a MIMO front end module (FEM), if desired.
- WMAN 110 may include at least one base station (BS) 115
- WLAN 120 may include at least one BS 125
- UWB network 130 may include at least one mobile station (MS) 135, if desired.
- wireless communication device 140 may simultaneously transmit and/or receive signals in different frequency bands to/from BS 115, BS 125 and MS 135 through plurality of antennas. For example, some antennas may transmit signals to BS 125 and 115 and the some other antennas may receive signals from MS 135 and BS 115, if desired.
- wireless communication device 140 may include a first radio, for example WMAN radio, to transmit Orthogonal
- wireless communication device 140 may include a first FEM to transmit simultaneously the high and low frequency bands of the WMAN and WLAN radios through two or more antennas utilizing multiple input multiple (MIMO) output transmission scheme and a second FEM to transmit simultaneously other high and low frequency bands of the WMAN and WLAN radios through two or more antennas utilizing MIMO transmission scheme.
- MIMO multiple input multiple
- Wireless communication device 140 may include a switch bank to switch the OFDM and/or the spread spectrum signals from the WMAN and WLAN radios to the first and second FEMs according to the frequency bands of the OFDM and/or spread spectrum signals and a desired transmission scheme of the WMAN and WLAN radios.
- FIG. 2 a schematic block diagram of a wireless communication device
- wireless communication device 200 may also be termed as multi radios, multi bands, MIMO FEM using multiple ports amplifier (MPA) and includes an UWB transceiver 210, a WiMAX transceiver 220, a WiFi transceiver 230, a multiplexer 250, a high band (HB) multi radio 260, a low band multi (LB) radio 270, a middle band (MB) multi radio 280 and antennas 265, 275 and 285.
- UWB transceiver 210 may process and/or modulate/demodulate UWB signals.
- UWB radio may transmit modulate UWB signals generated by UWB transceiver 210 and/or receives UWB signals that may be demodulated by UWB transceiver 210, if desired.
- Multiplexer 250 may rout the UWB signals from UWB transceiver 210 to UWB radio 240 and vise versa.
- WiMAX transceiver 220 may process and/or modulate/demodulate signals in three different frequency bands according to "IEEE 802.16 LAN/MAN Broadband Wireless LANs" standard.
- the high frequency band for WiMAX (HB WM) may include 5.2 Giga Hertz (GHz) and 5.8 GHz signals
- the middle frequency band for WiMAX (MB WM) may include 3.5 GHz signal
- the low frequency band for WiMAX (LB WM) may include 2.3 GHz and 2.5 GHz signals.
- WiFi transceiver 230 may process and/or modulate/demodulate signals in two different frequency bands according to "IEEE 802.11 LAN/MAN Broadband Wireless LANs, Part 11 : Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications" standard.
- the high frequency band for WiFi (HB WF) may include 5.2 Giga Hertz (GHz) and 5.8 GHz signals
- the low frequency band for WiFi (LB WF) may include 2.4 GHz signal.
- Multiplexer 250 may include, but not limited to, mechanical and/or electronic and/or semiconductors and/or Micro-electromechanical Systems (MEMS) switches.
- MEMS Micro-electromechanical Systems
- Multiplexer 250 may route HB WM and HB WF signals from/to WiMAX transceiver 220 and WiFi transceiver 230 to/from HB multi radio 260 and LB multi radio 270, respectively. Furthermore, according to some exemplary embodiments of the invention, multiplexer 250 may route MB WM signals from WiMAX transceiver 220 to MB single radio 270 and vise versa.
- HB multi radio 260 and/or LB multi radio 270 may include, a plurality of received signals amplifiers multi Band MIMO and a Front End Module (FEM) that may utilize a Multiple Port Amplifier (MPA) as the transmit amplifier.
- FEM Front End Module
- MPA Multiple Port Amplifier
- WiMAX transceiver 220 and WiFi transceiver 230 may include a power control scheme that configured to provide flexible output power to a plurality of MIMO channels of HB multi radio 260 and/or LB multi radio 270, if desired.
- WiMax and WiFi MIMO radios are combined with flexible output powers and number of MIMO channels.
- HB multi radio 260, LB multi radio 270 and MB single radio are operably connected to antennas 265, 275 and 285, respectively.
- antennas 265, 275 and 285 may include an internal antenna, a dipole antenna, a Yagi antenna, a mono pole antenna, an antenna array or the like.
- HB multi radio 260, LB multi radio 270 may transmit and receive simultaneously WiMAX and WiFi signals through each antenna of antennas 265 and 275.
- HB multi radio 260 may transmit and/or receive simultaneously HB WF signals through two antennas and HB WM signals through other two antennas, if desired.
- LB multi radio 270 may transmit and/or receive simultaneously LB WF signals through two antennas and LB WM signals through other two antennas, if desired.
- FIG. 3 an illustration of an exemplary table 300 shows different configurations of signals combinations to be transmitted and/or received with the exemplary wireless communication device 200 of FIG. 2. It should be understood that table 300 is an example only, and many others combinations of WiMAX and WiFi signals are possible. In order to reduce the number of antennas, a subset of the configuration shown by table 300 may be used. Wideband techniques may also be used to further combine signals of UWB transceiver 210, WiMAX transceiver 220 and WiFi transceiver 230 to reduce the number of signal paths and antennas.
- FIG. 4 is a schematic block diagram of a radio front end module (FEM) 400 according to some exemplary embodiments of the invention is shown.
- FEM 400 may include a transmit/receive switch 410 to switch between received signals to modulated signals intended to be transmit by a multiple port amplifier (MPA) 420, a multiple amplifier (MA) 430 to amplify the received signals, a switch bank 440 to switch the modulated signals to be transmitted by antennas 450 and/or to connect antennas 450 to MA 430 to provide the received signals to receivers, if desired.
- MPA multiple port amplifier
- MA multiple amplifier
- MPA 420 may include four passive hybrid splitters in a Butler Matrix formation, four power amplifiers, and four passive hybrid combiner in a Butler matrix formation, although it should be understood that the scope of the present is not limited in this respect.
- MPA 420 may utilize as a transmit amplifier able to transmit signals according to a beam forming scheme.
- a beam forming scheme may utilize a Butler beam- forming matrix, which needs only Nx logN elements for beam forming.
- the Butler matrix uses 900 phase-lag hybrid junctions with 45° fixed-phase shifters. Butler networks for a four-element array with the elemental spacing of ⁇ 2 produces four beams which are overlap and mutually orthogonal.
- the signal at each of the four input ports of MPA 420 are divided evenly at different phases and distributed substantially equal to each power amplifier (PA).
- the signals may recombine in an output Butler Matrix and emerge as original discrete signals on the four output ports.
- a "multiple signal" in each PA may include a 1 A of each input signal evenly distributed in each PA.
- MPA 420 to have a "flexible power" for each MIMO channel of FEM 400 and to combine signals of different radios.
- signals of WiMax and/or WiFi MIMO radios may be combined with flexible output powers and number of MIMO channels, if desired.
- an input switch matrix, an output switch and a filter matrix may be used to complete the transmit and receive functions for FEM 400.
- the input switch matrix and input Butler Matrix may be implemented at base band of a combined radio and/or a software defined radio (SDR), if desired.
- FEM 400 operates in a frequency band where multiple MIMO radios will be used.
- a lower band 2.2GHz to 2.7GHz
- an U-NII band 5.15GHz to 5.85GHz
- any other commercial radio frequency band where band frequencies are close or overlap.
- the table below demonstrates FEM 400 operation according to several scenarios of combinations of different radios and different frequency bands in different modes of operation.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200880001485.9A CN101595651B (en) | 2007-03-12 | 2008-03-07 | Multiple radios communication device and a method thereof |
JP2009550640A JP4921567B2 (en) | 2007-03-12 | 2008-03-07 | Multiple radio communication apparatus and method |
EP08731732.7A EP2119035A4 (en) | 2007-03-12 | 2008-03-07 | Multiple radios communication device and a method thereof |
BRPI0806269-2A BRPI0806269A2 (en) | 2007-03-12 | 2008-03-07 | multi-radio communication device and methods |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/716,666 US7787836B2 (en) | 2007-03-12 | 2007-03-12 | Multiple radios communication device and a method thereof |
US11/716,666 | 2007-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008112573A1 true WO2008112573A1 (en) | 2008-09-18 |
Family
ID=39759940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/056288 WO2008112573A1 (en) | 2007-03-12 | 2008-03-07 | Multiple radios communication device and a method thereof |
Country Status (8)
Country | Link |
---|---|
US (1) | US7787836B2 (en) |
EP (1) | EP2119035A4 (en) |
JP (1) | JP4921567B2 (en) |
KR (1) | KR101097521B1 (en) |
CN (1) | CN101595651B (en) |
BR (1) | BRPI0806269A2 (en) |
RU (1) | RU2407157C1 (en) |
WO (1) | WO2008112573A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2182651A3 (en) * | 2008-10-31 | 2010-10-27 | Acer Incorporated | Wireless transmission system and a method thereof |
RU2663818C1 (en) * | 2014-11-26 | 2018-08-10 | Хуавэй Текнолоджиз Ко., Лтд. | Method, device and wireless communication system |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4216865B2 (en) * | 2006-05-29 | 2009-01-28 | 株式会社東芝 | Information equipment that can communicate |
US8010116B2 (en) * | 2007-06-26 | 2011-08-30 | Lgc Wireless, Inc. | Distributed antenna communications system |
KR101678610B1 (en) * | 2010-07-27 | 2016-11-23 | 삼성전자주식회사 | Method and apparatus for subband coordinated multi-point communication based on long-term channel state information |
US9431702B2 (en) * | 2011-05-24 | 2016-08-30 | Xirrus, Inc. | MIMO antenna system having beamforming networks |
WO2014076620A2 (en) | 2012-11-14 | 2014-05-22 | Vectorious Medical Technologies Ltd. | Drift compensation for implanted capacitance-based pressure transducer |
CN103856226B (en) * | 2012-12-04 | 2016-03-30 | 华为技术有限公司 | A kind of WLAN antenna system and data transmission method |
WO2014110508A1 (en) * | 2013-01-11 | 2014-07-17 | Chi-Chih Chen | Multiple-input multiple-output ultra-wideband antennas |
US10205488B2 (en) * | 2013-04-18 | 2019-02-12 | Vectorious Medical Technologies Ltd. | Low-power high-accuracy clock harvesting in inductive coupling systems |
CN104180637B (en) * | 2013-05-21 | 2016-01-20 | 李耀强 | Dampproof cover heater |
KR20160141560A (en) * | 2015-06-01 | 2016-12-09 | 삼성전기주식회사 | Wireless communication apparatus and method of operating the same |
CN106911366A (en) * | 2015-12-22 | 2017-06-30 | 华为技术有限公司 | Wireless communications method and device |
US11206988B2 (en) | 2015-12-30 | 2021-12-28 | Vectorious Medical Technologies Ltd. | Power-efficient pressure-sensor implant |
EP3794737A4 (en) * | 2018-05-17 | 2022-03-02 | Vectorious Medical Technologies Ltd. | Low-power high-accuracy clock harvesting in inductive coupling systems |
KR102653889B1 (en) * | 2019-10-18 | 2024-04-02 | 삼성전자주식회사 | A receiver supporting carrier aggregation and an wireless communication apparatus including the same |
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- 2007-03-12 US US11/716,666 patent/US7787836B2/en not_active Expired - Fee Related
-
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- 2008-03-07 EP EP08731732.7A patent/EP2119035A4/en not_active Withdrawn
- 2008-03-07 KR KR1020097013487A patent/KR101097521B1/en not_active IP Right Cessation
- 2008-03-07 BR BRPI0806269-2A patent/BRPI0806269A2/en not_active Application Discontinuation
- 2008-03-07 CN CN200880001485.9A patent/CN101595651B/en not_active Expired - Fee Related
- 2008-03-07 JP JP2009550640A patent/JP4921567B2/en not_active Expired - Fee Related
- 2008-03-07 RU RU2009124309/09A patent/RU2407157C1/en not_active IP Right Cessation
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EP2182651A3 (en) * | 2008-10-31 | 2010-10-27 | Acer Incorporated | Wireless transmission system and a method thereof |
RU2663818C1 (en) * | 2014-11-26 | 2018-08-10 | Хуавэй Текнолоджиз Ко., Лтд. | Method, device and wireless communication system |
US10411851B2 (en) | 2014-11-26 | 2019-09-10 | Huawei Technologies Co., Ltd. | Wireless communication method, device and system |
Also Published As
Publication number | Publication date |
---|---|
KR20090086119A (en) | 2009-08-10 |
KR101097521B1 (en) | 2011-12-22 |
US20080227487A1 (en) | 2008-09-18 |
EP2119035A4 (en) | 2014-12-31 |
CN101595651A (en) | 2009-12-02 |
US7787836B2 (en) | 2010-08-31 |
BRPI0806269A2 (en) | 2011-09-06 |
RU2407157C1 (en) | 2010-12-20 |
JP2010519835A (en) | 2010-06-03 |
JP4921567B2 (en) | 2012-04-25 |
EP2119035A1 (en) | 2009-11-18 |
CN101595651B (en) | 2012-12-26 |
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