JP2009505586A5 - - Google Patents
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- JP2009505586A5 JP2009505586A5 JP2008527175A JP2008527175A JP2009505586A5 JP 2009505586 A5 JP2009505586 A5 JP 2009505586A5 JP 2008527175 A JP2008527175 A JP 2008527175A JP 2008527175 A JP2008527175 A JP 2008527175A JP 2009505586 A5 JP2009505586 A5 JP 2009505586A5
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- JP
- Japan
- Prior art keywords
- communication system
- input stream
- signal conversion
- conversion
- antennas
- 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.)
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- 238000006243 chemical reaction Methods 0.000 claims 10
- 230000005540 biological transmission Effects 0.000 claims 3
- 230000010287 polarization Effects 0.000 claims 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 230000010363 phase shift Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
Claims (10)
- 通信システムであって、
複数のアンテナと、
前記複数のアンテナに接続される複数の出力を含む仮想化コンポーネントであって、エンコーダからの少なくとも1つの入力ストリームに接続され、少なくとも1つの信号変換を前記少なくとも1つの入力ストリームに適用することによって該少なくとも1つの入力ストリームから複数の送信信号を生成して、前記複数のアンテナの一括した送信が、前記複数のアンテナの個数よりも少ない少なくとも1つの仮想アンテナを発信元とするように見える放射パターンを形成するように、前記複数の送信信号のそれぞれ1つが、前記複数のアンテナのそれぞれ1つによって送信されるように構成されている、仮想化コンポーネントと
を備えていることを特徴とする通信システム。 - 請求項1記載の通信システムにおいて、前記少なくとも1つの信号変換により、前記少なくとも1つの入力ストリームの少なくとも1つのパラメータが変更されることを特徴とする通信システム。
- 請求項2記載の通信システムにおいて、前記少なくとも1つのパラメータは、偏波角、信号強度、位相、及びシンボル位置のうちの1又は複数を含むことを特徴とする通信システム。
- 請求項1記載の通信システムにおいて、前記少なくとも1つの信号変換により、前記少なくとも1つの入力ストリームの偏波角が変更されることを特徴とする通信システム。
- 請求項1記載の通信システムにおいて、前記少なくとも1つの信号変換により、前記少なくとも1つの入力ストリームの信号強度が変更されることを特徴とする通信システム。
- 請求項1記載の通信システムにおいて、前記少なくとも1つの信号変換により、前記少なくとも1つの入力ストリームに時間領域シフトが適用されることを特徴とする通信システム。
- 請求項1記載の通信システムにおいて、前記少なくとも1つの信号変換により、前記少なくとも1つの入力ストリームに進み位相シフトが適用されることを特徴とする通信システム。
- 請求項1記載の通信システムにおいて、前記少なくとも1つの信号変換により、前記少なくとも1つの入力ストリームに位相ランプが適用されることを特徴とする通信システム。
- 請求項8記載の通信システムにおいて、前記位相ランプは、負の傾き及び正の傾きの一方であることを特徴とする通信システム。
- 請求項1記載の通信システムにおいて、前記少なくとも1つの信号変換は、ヌル変換、巡回遅延ダイバーシティ変換、及び少なくとも1つの振幅整形変換の1又は複数であることを特徴とする通信システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70958905P | 2005-08-18 | 2005-08-18 | |
PCT/US2006/032376 WO2007022430A2 (en) | 2005-08-18 | 2006-08-17 | Antenna virtualization in communication systems |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009505586A JP2009505586A (ja) | 2009-02-05 |
JP2009505586A5 true JP2009505586A5 (ja) | 2011-04-14 |
Family
ID=37758445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008527175A Withdrawn JP2009505586A (ja) | 2005-08-18 | 2006-08-17 | 通信システムにおけるアンテナ仮想化方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7450657B2 (ja) |
EP (4) | EP2639971B1 (ja) |
JP (1) | JP2009505586A (ja) |
KR (1) | KR101285231B1 (ja) |
DE (2) | DE202006021141U1 (ja) |
WO (1) | WO2007022430A2 (ja) |
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US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
US8831607B2 (en) | 2006-01-05 | 2014-09-09 | Qualcomm Incorporated | Reverse link other sector communication |
US8064835B2 (en) * | 2006-01-11 | 2011-11-22 | Quantenna Communications, Inc. | Antenna assignment system and method |
US8446998B2 (en) * | 2006-05-04 | 2013-05-21 | Quantenna Communications, Inc. | Multiple antenna receiver system and method |
US8091012B2 (en) * | 2006-05-04 | 2012-01-03 | Quantenna Communications Inc. | System and method for decreasing decoder complexity |
US8063839B2 (en) * | 2006-10-17 | 2011-11-22 | Quantenna Communications, Inc. | Tunable antenna system |
WO2008118529A2 (en) * | 2007-01-30 | 2008-10-02 | Georgia Tech Research Corporation | Methods for polarization-based interference mitigation |
US8090052B2 (en) * | 2007-03-29 | 2012-01-03 | Intel Corporation | Systems and methods for digital delayed array transmitter architecture with beam steering capability for high data rate |
US7860465B2 (en) * | 2007-05-01 | 2010-12-28 | Research In Motion Limited | Apparatus, and associated method, for providing open loop diversity in a radio communication system |
US8111790B2 (en) * | 2007-10-19 | 2012-02-07 | Quantenna Communications Inc. | Mitigating interference in a coded communication system |
US20090116574A1 (en) * | 2007-11-06 | 2009-05-07 | Qualcomm Incorporated | Methods and apparatus for receive power unification for mimo and non-mimo signaling |
US8891350B2 (en) * | 2008-07-07 | 2014-11-18 | Mediatek Inc. | Method and apparatus of data transmission over guard sub-carriers in multi-carrier OFDM systems |
US8289910B2 (en) | 2009-04-24 | 2012-10-16 | Kathrein-Werke Kg | Device for receiving and transmitting mobile telephony signals with multiple transmit-receive branches |
US8891647B2 (en) * | 2009-10-30 | 2014-11-18 | Futurewei Technologies, Inc. | System and method for user specific antenna down tilt in wireless cellular networks |
US9270359B2 (en) * | 2010-10-05 | 2016-02-23 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement for polarization control in a communication system |
US9450659B2 (en) | 2011-11-04 | 2016-09-20 | Alcatel Lucent | Method and apparatus to generate virtual sector wide static beams using phase shift transmit diversity |
CN105577256A (zh) * | 2012-12-31 | 2016-05-11 | 华为技术有限公司 | 一种信号发射方法和装置 |
US11569886B2 (en) * | 2019-04-01 | 2023-01-31 | Qualcomm Incorporated | Network-sensitive transmit diversity scheme |
CN114301509B (zh) * | 2021-12-24 | 2022-10-18 | 西南交通大学 | 基于虚拟相位共轭信号自适应聚焦的分集天线定位方法 |
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US5264857A (en) * | 1987-10-08 | 1993-11-23 | Baghdady Elie J | Method and apparatus for signal modulation and detection |
US6519259B1 (en) * | 1999-02-18 | 2003-02-11 | Avaya Technology Corp. | Methods and apparatus for improved transmission of voice information in packet-based communication systems |
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EP1540763B1 (en) * | 2002-08-21 | 2007-04-18 | Zyray Wireless, Inc. | Antenna array including virtual antenna elements and method |
FR2844134B1 (fr) * | 2002-09-04 | 2006-01-13 | Nortel Networks Ltd | Procede d'allocation de ressources dans un systeme de radiocommunication a division spatiale et equipements pour la mise en oeuvre du procede. |
US7250905B2 (en) * | 2003-04-09 | 2007-07-31 | Mano Dorsey Judd | Virtual antenna technology (VAT) and applications |
US7460082B2 (en) * | 2003-12-30 | 2008-12-02 | Intel Corporation | Sectored antenna systems for WLAN |
US20060111054A1 (en) | 2004-11-22 | 2006-05-25 | Interdigital Technology Corporation | Method and system for selecting transmit antennas to reduce antenna correlation |
-
2006
- 2006-08-17 KR KR1020087004576A patent/KR101285231B1/ko not_active IP Right Cessation
- 2006-08-17 EP EP13002977.0A patent/EP2639971B1/en not_active Not-in-force
- 2006-08-17 EP EP12005247.7A patent/EP2518909B1/en active Active
- 2006-08-17 JP JP2008527175A patent/JP2009505586A/ja not_active Withdrawn
- 2006-08-17 EP EP06813538.3A patent/EP1925103B1/en not_active Not-in-force
- 2006-08-17 US US11/506,318 patent/US7450657B2/en active Active
- 2006-08-17 DE DE202006021141U patent/DE202006021141U1/de not_active Expired - Lifetime
- 2006-08-17 US US11/506,734 patent/US7684511B2/en active Active
- 2006-08-17 WO PCT/US2006/032376 patent/WO2007022430A2/en active Application Filing
- 2006-08-17 EP EP12005246.9A patent/EP2518908B1/en not_active Not-in-force
- 2006-08-17 DE DE202006021138U patent/DE202006021138U1/de not_active Expired - Lifetime
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