KR100948007B1 - 적응성 전송 안테나 어레이를 이용한 무선 전송 - Google Patents
적응성 전송 안테나 어레이를 이용한 무선 전송 Download PDFInfo
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- 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
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- H04B7/0667—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 simultaneous transmission of delayed versions of same signal
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- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
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- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
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- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
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- H04B7/0891—Space-time diversity
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Abstract
Description
Claims (19)
- 크기 N의 적응성 전송 안테나 어레이(3)를 이용하는 신호들의 폐 루프 다이버시티 무선 통신(closed loop diversity wireless communication) 방법으로서, 상기 전송 안테나 어레이(3)에 의해 전송될 신호들의 복수의 카피들은 지연들 및 가중치들을 가지고 생성되고, 상기 가중치들은 상기 전송 안테나 어레이(3)로부터 수신기(2)의 수신 안테나 어레이(4)까지의 멀티-패스 전송 채널 특성들(H)의 함수들이고 상기 신호들의 복수의 카피들은 상기 전송 안테나 어레이(3)에 의한 전송 전에 조합되는, 상기 신호의 폐 루프 다이버시티 무선 통신 방법에 있어서,상기 가중치들은 벡터들 w1, w2, ... wN의 연쇄 결합(concatenation)인 벡터 w와 동일하게 설정하는 단계로서, wi = (wi,1, wi,2, ..., wi,M)t는 전송 안테나 #i에 인가된 FIR 필터의 계수들을 나타내고 M은 상기 FIR 필터 지연 구성에서 기본 시간 간격들의 수인, 상기 설정 단계;행렬 HHH의 최대 고유값에 대응하는 고유 벡터와 동일한 w를 계산하는 단계로서, 상기 H는 심볼 데이터(symbol data)에 의해 보여진 등가 채널의 행렬이고 상기 HH는 상기 행렬 H의 에르미트 변환(Hermitian transform)인, 상기 계산 단계;전파 경로에 따라 구별가능한 지연들을 가진 각각의 수신기 요소에 전파된 상기 멀티-패스 신호 성분들을 수신하는 단계; 및
- 제 1 항에 있어서,상기 수신기는 상기 지연들 및 가중치들(u)을 갖는 상기 수신 안테나 어레이로부터 수신된 신호들을 카피하는 멀티-핑거 RAKE 수신기(multi-finger RAKE receiver; 6)를 포함하는, 폐 루프 다이버시티 무선 통신 방법.
- 제 1 항에 있어서,상기 지연들 및 가중치들은 상기 수신기(2)의 출력을 적어도 근사적으로 최대화하도록 계산되는, 폐 루프 다이버시티 무선 통신 방법.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 전송된 신호들의 카피들(copies)의 수 및 지연 위치는 상기 전송 안테나들(3)과 상기 수신 안테나들(4) 사이의 멀티-패스 궤도들의 수의 함수로서 선택되는, 폐 루프 다이버시티 무선 통신 방법.
- 제 6 항에 있어서,주어진 전송 안테나 요소 및 상기 수신 안테나 어레이에 대한 상기 전송된 신호들의 카피들의 상기 지연 위치들은 O,qQ-qQ-1,...,qQ-q1와 동일하게 선택되고, 각각의 qi는 특정한 영이 아닌 궤도(non-null trajectory)이고, Ts는 샘플 레이트(sample rate)의 역수이고, q1Ts, q2Ts,..., qQTs는 상기 전송 안테나 요소와 상기 수신 안테나 어레이 사이의 Q개의 영이 아닌 궤도들의 지연들을 나타내는, 폐 루프 다이버시티 무선 통신 방법.
- 제 6 항에 있어서,w는 행렬 GHG의 가장 큰 고유값에 대응하는 고유 벡터와 동일하게 계산되고, 상기 GH는 상기 행렬 G의 에르미트 변환(Hermitian transform)이고 G는 w에서 0인 계수들에 대응하는 행렬의 열을 억제함(suppressing)으로써 H로부터 유도되는, 폐 루프 다이버시티 무선 통신 방법.
- 제 1 항에 있어서,어느 하나의 전송 안테나에 대한 상기 전송된 신호들의 카피들 사이의 최대 지연은 상기 전송 안테나와 상기 수신 안테나들 사이의 상기 멀티-패스 궤도들 사이의 최대 지연과 동일한, 폐 루프 다이버시티 무선 통신 방법.
- 크기 N의 적응성 전송 안테나 어레이(3)와, 상기 전송 안테나 어레이(3)로부터 수신 안테나 어레이(4)까지의 멀티-패스 전송 채널 특성들(H)의 함수인 가중치들(weights)(wj n) 및 지연들을 갖는 상기 전송 안테나 어레이에 의해 전송될 신호들의 복수의 멀티-패스 카피들을 생성하고 상기 전송 안테나 어레이(3)에 의한 전송 전에 상기 카피된 신호들을 조합하기 위한 유한 임펄스 응답 필터 수단(finite impulse response filter means; 5)을 포함하는 신호들의 폐 루프 다이버시티 무선 통신용 전송기에 있어서,벡터들 w1, w2, ... wN의 연쇄 결합인 벡터 w와 동일한 상기 가중치들을 설정하기 위한 수단으로서, wi = (wi,1, wi,2, ..., wi,M)t는 전송 안테나 #i에 인가된 FIR 필터의 계수들을 나타내고 M은 상기 FIR 필터 지연 구성에서 기본 시간 간격들의 수인, 상기 가중치들을 설정하기 위한 수단;행렬 HHH의 최대의 고유값에 대응하는 고유 벡터와 동일한 w를 계산하기 위한 수단으로서, 상기 H는 심볼 데이터에 의해 보여진 등가 채널의 행렬이고 상기 HH는 상기 행렬 H의 에르미트 변환(Hermitian transform)인, 상기 w를 계산하기 위한 수단;및전파 경로에 따라서 구별가능한 지연을 가지고 수신되는 상기 멀티-패스 신호 성분을 각각의 수신기 요소에 전파하기 위한 수단을 포함하고,전송된 신호들은 상기 멀티-패스 전송 채널들의 각각의 함수들인 가중치들(u) 및 지연들을 갖는 각각의 수신 안테나 요소로부터의 상기 수신된 신호 성분들을 조합하는 수신기(2)에 의한 수신에 적합하고,
- 제 11 항에 있어서,상기 수신기로부터 채널 정보를 수신하기 위한 가중치 선택 및 업데이트 유닛(16)을 포함하는, 폐 루프 다이버시티 무선 통신용 전송기.
- 제 12 항에 있어서,상기 가중치 선택 및 업데이트 유닛(16)은 상기 카피된 신호들의 가능한 지연 및 가중치 조합 함수들을 위한 저장소를 포함하고, 상기 가중치 선택 및 업데이트 유닛(16)은 상기 저장소로부터의 지연 및 가중치 조합 함수들을 상기 수신기로부터의 상기 채널 정보의 함수로서 식별하는, 폐 루프 다이버시티 무선 통신용 전송기.
- 삭제
- 크기 N의 적응성 전송 안테나 어레이(3)를 포함하는 전송기(1)로부터의 신호들의 폐 루프 다이버시티 무선 통신에 의한 수신을 위한 적어도 하나의 수신 안테나를 갖는 수신 안테나 어레이(4)를 포함하는 수신기로서, 상기 전송 안테나 어레이에 의해 전송될 신호들의 복수의 카피들은 지연들 및 가중치들을 가지고 생성되고, 상기 가중치들은 상기 전송 안테나 어레이로부터 수신기의 수신 안테나 어레이까지의 멀티-패스 전송 채널 특성들(H)의 함수들이고, 상기 신호들의 복수의 M 개의 카피들은 상기 전송 안테나 어레이(3)에 의한 전송 전에 조합되는, 상기 수신기에 있어서,벡터들 w1, w2, ... wN의 연쇄 결합인 벡터 w와 동일한 가중치들을 갖는 멀티-패스 신호 성분들을 수신하기 위한 수신 수단으로서, wi = (wi,1, wi,2, ..., wi,M)t는 전송 안테나 #i에 인가된 FIR 필터의 계수들을 나타내고 M은 상기 FIR 필터 지연 구성에서 기본 시간 간격들의 수이고, w는 행렬 HHH의 최대 고유값에 대응하는 고유 벡터와 동일하게 계산되고, 상기 H는 심볼 데이터에 의해 보여진 등가 채널의 행렬이고 상기 HH는 상기 행렬 H의 에르미트 변환(Hermitian transform)이고, 각각의 수신기 요소에 전파된 상기 멀티-패스 신호 성분들은 상기 전파 경로에 따라 구별가능한 지연들과 함께 수신되는, 상기 수신 수단; 및각각의 수신 안테나 요소로부터의 상기 수신된 신호 성분들을 상기 멀티-패스 전송 채널들의 각각의 함수들인 지연들 및 가중치들(u)과 조합하기 위한 조합 수단(18 내지 21)을 포함하고,
- 제 15 항에 있어서,상기 수신기는 지연들 및 가중치들(u)을 갖는 상기 수신 안테나 어레이로부터 수신된 신호들을 카피하는 멀티-핑거 RAKE 수신기를 포함하는, 수신기.
- 제 15 항에 있어서,상기 전송기(1)에 채널 정보를 전송하기 위한 채널 추정 유닛(22, 25)을 포함하는, 수신기.
- 제 17 항에 있어서,상기 채널 추정 유닛(22, 25)은 상기 카피된 신호들의 가능한 지연 및 가중치 조합 함수용 저장소를 포함하고, 상기 채널 추정 유닛은 상기 전송기(1)에 대한 상기 채널 정보의 함수로서 상기 저장소로부터 함수들을 식별하는, 수신기.
- 삭제
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EP02291093A EP1359684A1 (en) | 2002-04-30 | 2002-04-30 | Wireless transmission using an adaptive transmit antenna array |
PCT/EP2003/004184 WO2003094386A1 (en) | 2002-04-30 | 2003-04-18 | Wireless transmission using an adaptive transmit antenna array |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101436973B1 (ko) | 2012-01-30 | 2014-09-02 | 브로드콤 코포레이션 | 슈퍼차지드 코드들 |
Families Citing this family (282)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002198875A (ja) * | 2000-12-22 | 2002-07-12 | Nippon Soken Inc | Cdma方式の通信端末 |
US7769078B2 (en) | 2000-12-22 | 2010-08-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver |
KR20050010951A (ko) | 2002-06-21 | 2005-01-28 | 위데피, 인코포레이티드 | 무선 근거리 네트워크 중계기 |
US8885688B2 (en) | 2002-10-01 | 2014-11-11 | Qualcomm Incorporated | Control message management in physical layer repeater |
AU2003274992A1 (en) | 2002-10-11 | 2004-05-04 | Widefi, Inc. | Reducing loop effects in a wireless local area network repeater |
US8078100B2 (en) | 2002-10-15 | 2011-12-13 | Qualcomm Incorporated | Physical layer repeater with discrete time filter for all-digital detection and delay generation |
EP1604468B1 (en) | 2002-10-15 | 2008-07-23 | Qualcomm Incorporated | Wireless local area network repeater with automatic gain control for extending network coverage |
US7230935B2 (en) * | 2002-10-24 | 2007-06-12 | Widefi, Inc. | Physical layer repeater with selective use of higher layer functions based on network operating conditions |
AU2003287498A1 (en) | 2002-11-15 | 2004-06-15 | Qualcomm Incorporated | Wireless local area network repeater with detection |
JP2006510326A (ja) | 2002-12-16 | 2006-03-23 | ワイデファイ インコーポレイテッド | 改良された無線ネットワーク中継器 |
US8185075B2 (en) * | 2003-03-17 | 2012-05-22 | Broadcom Corporation | System and method for channel bonding in multiple antenna communication systems |
US7391832B2 (en) * | 2003-03-17 | 2008-06-24 | Broadcom Corporation | System and method for channel bonding in multiple antenna communication systems |
US7126378B2 (en) | 2003-12-17 | 2006-10-24 | Rambus, Inc. | High speed signaling system with adaptive transmit pre-emphasis |
US7412011B2 (en) * | 2003-08-29 | 2008-08-12 | Texas Instruments Incorporated | Joint ratio estimation and weights detection in closed loop transmit diversity |
US8204149B2 (en) | 2003-12-17 | 2012-06-19 | Qualcomm Incorporated | Spatial spreading in a multi-antenna communication system |
US7336746B2 (en) | 2004-12-09 | 2008-02-26 | Qualcomm Incorporated | Data transmission with spatial spreading in a MIMO communication system |
US8169889B2 (en) * | 2004-02-18 | 2012-05-01 | Qualcomm Incorporated | Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system |
FI20040269A0 (fi) * | 2004-02-20 | 2004-02-20 | Nokia Corp | Tiedonsiirtomenetelmä ja -järjestelmä, tukiasema ja lähetin-vastaanotin |
US7554944B2 (en) * | 2004-03-09 | 2009-06-30 | Avage Inc. | Signal transmitting method and device for carrying out said method |
US11394436B2 (en) | 2004-04-02 | 2022-07-19 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10985811B2 (en) | 2004-04-02 | 2021-04-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US11451275B2 (en) | 2004-04-02 | 2022-09-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US8027642B2 (en) | 2004-04-06 | 2011-09-27 | Qualcomm Incorporated | Transmission canceller for wireless local area network |
EP1733488A4 (en) * | 2004-04-09 | 2010-07-14 | Axiocom Inc | METHOD AND SYSTEM FOR ESTIMATING MULTI-USER CHANNEL IN DS-CDMA SYSTEMS |
US8923785B2 (en) | 2004-05-07 | 2014-12-30 | Qualcomm Incorporated | Continuous beamforming for a MIMO-OFDM system |
US20080292008A1 (en) * | 2004-05-07 | 2008-11-27 | Matsushita Electric Industrial Co., Ltd. | Channel-Estimating Apparatus and Mimo Communication System |
US8285226B2 (en) | 2004-05-07 | 2012-10-09 | Qualcomm Incorporated | Steering diversity for an OFDM-based multi-antenna communication system |
EP1745567B1 (en) | 2004-05-13 | 2017-06-14 | QUALCOMM Incorporated | Non-frequency translating repeater with detection and media access control |
JP2008505513A (ja) | 2004-06-03 | 2008-02-21 | ワイデファイ インコーポレイテッド | 低コスト、高性能の局部発振器の構造を備えた周波数変換中継器 |
US7110463B2 (en) | 2004-06-30 | 2006-09-19 | Qualcomm, Incorporated | Efficient computation of spatial filter matrices for steering transmit diversity in a MIMO communication system |
US7978649B2 (en) | 2004-07-15 | 2011-07-12 | Qualcomm, Incorporated | Unified MIMO transmission and reception |
KR100585152B1 (ko) * | 2004-08-02 | 2006-05-30 | 삼성전자주식회사 | 송신 타임 도메인 이퀄라이저를 사용하는 무선 ofdm기반의 모뎀 및 데이터 전송 방법 |
US7773535B2 (en) * | 2004-08-12 | 2010-08-10 | Motorola, Inc. | Method and apparatus for closed loop transmission |
US7978778B2 (en) | 2004-09-03 | 2011-07-12 | Qualcomm, Incorporated | Receiver structures for spatial spreading with space-time or space-frequency transmit diversity |
US7715806B2 (en) * | 2004-10-06 | 2010-05-11 | Broadcom Corporation | Method and system for diversity processing including using dedicated pilot method for closed loop |
US7711762B2 (en) * | 2004-11-15 | 2010-05-04 | Qualcomm Incorporated | Efficient computation for eigenvalue decomposition and singular value decomposition of matrices |
US8059727B2 (en) | 2005-01-28 | 2011-11-15 | Qualcomm Incorporated | Physical layer repeater configuration for increasing MIMO performance |
JP4824016B2 (ja) * | 2005-03-15 | 2011-11-24 | 富士通株式会社 | 通信装置および通信方法 |
US7953039B2 (en) * | 2005-04-21 | 2011-05-31 | Samsung Elecronics Co., Ltd. | System and method for channel estimation in a delay diversity wireless communication system |
US8335159B2 (en) * | 2005-04-21 | 2012-12-18 | Samsung Electronics Co., Ltd. | Method and system for introducing frequency selectivity into transmissions in an orthogonal frequency division multiplexing network |
US7668269B2 (en) * | 2005-05-09 | 2010-02-23 | Ati Technologies, Inc. | Systems, methods, and apparatus for phase noise mitigation |
WO2007020563A1 (en) * | 2005-08-19 | 2007-02-22 | Koninklijke Philips Electronics N.V. | Method and apparatus of multiple antennas transmission |
US7633905B1 (en) * | 2005-09-02 | 2009-12-15 | Magnolia Broadband Inc. | Calibrating a transmit diversity communication device |
US7672387B2 (en) * | 2005-12-05 | 2010-03-02 | Intel Corporation | Multiple input, multiple output wireless communication system, associated methods and data structures |
US7809337B2 (en) * | 2006-03-02 | 2010-10-05 | Motorola, Inc. | System and method for adjusting transmission phasing in a point-to-point communication link |
US8543070B2 (en) | 2006-04-24 | 2013-09-24 | Qualcomm Incorporated | Reduced complexity beam-steered MIMO OFDM system |
JP4924107B2 (ja) | 2006-04-27 | 2012-04-25 | ソニー株式会社 | 無線通信システム、並びに無線通信装置及び無線通信方法 |
JP4924106B2 (ja) | 2006-04-27 | 2012-04-25 | ソニー株式会社 | 無線通信システム、並びに無線通信装置及び無線通信方法 |
JP4775288B2 (ja) | 2006-04-27 | 2011-09-21 | ソニー株式会社 | 無線通信システム、無線通信装置及び無線通信方法 |
JP4356756B2 (ja) | 2006-04-27 | 2009-11-04 | ソニー株式会社 | 無線通信システム、並びに無線通信装置及び無線通信方法 |
US8290089B2 (en) | 2006-05-22 | 2012-10-16 | Qualcomm Incorporated | Derivation and feedback of transmit steering matrix |
WO2008021062A1 (en) * | 2006-08-11 | 2008-02-21 | Interdigital Technology Corporation | Wireless communication method and system for indexing codebook and codeword feedback |
BRPI0717490A2 (pt) | 2006-09-21 | 2016-10-04 | Qualcomm Inc | método e aparelho para mitigar oscilação entre repetidoras |
US8374650B2 (en) * | 2006-09-27 | 2013-02-12 | Apple, Inc. | Methods for optimal collaborative MIMO-SDMA |
US8626104B2 (en) | 2006-09-28 | 2014-01-07 | Apple Inc. | Generalized codebook design method for limited feedback systems |
US7702029B2 (en) * | 2006-10-02 | 2010-04-20 | Freescale Semiconductor, Inc. | MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding |
BRPI0717378A2 (pt) | 2006-10-26 | 2013-10-29 | Qualcomm Inc | Técnicas de repetidora para múltiplas entradas e múltiplas saídas utilizando conformadores de fachos. |
KR100971620B1 (ko) * | 2006-11-14 | 2010-07-22 | 삼성전자주식회사 | 다중 사용자 다중 안테나 통신시스템의 송ㆍ수신기,송ㆍ수신방법 및 부반송파 구조 |
CN100553184C (zh) * | 2006-11-24 | 2009-10-21 | 普天信息技术研究院 | 一种信号预编码方法 |
US9106296B2 (en) * | 2006-12-19 | 2015-08-11 | Qualcomm Incorporated | Beam space time coding and transmit diversity |
US8073069B2 (en) * | 2007-01-05 | 2011-12-06 | Apple Inc. | Multi-user MIMO-SDMA for finite rate feedback systems |
US7809074B2 (en) * | 2007-03-16 | 2010-10-05 | Freescale Semiconductor, Inc. | Generalized reference signaling scheme for multi-user, multiple input, multiple output (MU-MIMO) using arbitrarily precoded reference signals |
US7961807B2 (en) | 2007-03-16 | 2011-06-14 | Freescale Semiconductor, Inc. | Reference signaling scheme using compressed feedforward codebooks for multi-user, multiple input, multiple output (MU-MIMO) systems |
US8020075B2 (en) | 2007-03-16 | 2011-09-13 | Apple Inc. | Channel quality index feedback reduction for broadband systems |
US8547986B2 (en) * | 2007-04-30 | 2013-10-01 | Apple Inc. | System and method for resource block-specific control signaling |
US20080310336A1 (en) | 2007-06-15 | 2008-12-18 | Broadcom Corporation | Dynamic receiver filter adjustment across preamble and information payload |
US8199857B2 (en) * | 2007-06-15 | 2012-06-12 | Broadcom Corporation | Apparatus to reconfigure an 802.11a/n transceiver to support 802.11j/10 MHz mode of operation |
US8369388B2 (en) * | 2007-06-15 | 2013-02-05 | Broadcom Corporation | Single-chip wireless tranceiver |
EP2849354B1 (en) * | 2007-06-20 | 2017-05-10 | Telefonaktiebolaget LM Ericsson (publ) | System and apparatus for interference suppression using macrodiversity in mobile wireless networks |
US8064823B2 (en) * | 2007-11-30 | 2011-11-22 | Nokia Corporation | Apparatus, method and computer program product for determining transmit weights in relay networks |
US7978623B1 (en) * | 2008-03-22 | 2011-07-12 | Freescale Semiconductor, Inc. | Channel rank updates in multiple-input multiple-output communication systems |
US20090274226A1 (en) * | 2008-05-05 | 2009-11-05 | Motorola, Inc. | Sounding channel based feedback in a wireless communication system |
US8345803B2 (en) * | 2008-10-02 | 2013-01-01 | Qualcomm Incorporated | Optimized finger assignment for improved multicarrier throughput |
KR101519046B1 (ko) * | 2008-09-04 | 2015-05-15 | 텔레콤 이탈리아 소시에떼 퍼 아찌오니 | 수신된 신호의 처리 방법, 상응하는 수신기 및 이를 위한 컴퓨터 프로그램 제품 |
GB2467770B (en) * | 2009-02-13 | 2011-08-17 | Socowave Technologies Ltd | Communication system, apparatus and method for antenna array control |
JP5515559B2 (ja) * | 2009-09-25 | 2014-06-11 | ソニー株式会社 | 通信システム、基地局、および通信装置 |
JP5144709B2 (ja) * | 2010-04-21 | 2013-02-13 | 株式会社日立国際電気 | 移動局装置 |
JP5593869B2 (ja) * | 2010-06-15 | 2014-09-24 | 日本電気株式会社 | 無線基地局装置、移動体通信システム、その通信方法及びプログラム |
US8587495B2 (en) | 2010-12-07 | 2013-11-19 | Motorola Solutions, Inc. | Multiple-input multiple-output (MIMO) antenna system |
US8923224B2 (en) * | 2011-08-12 | 2014-12-30 | Sharp Laboratories Of America, Inc. | Quantizing relative phase and relative amplitude for coordinated multipoint (CoMP) transmissions |
US8467363B2 (en) | 2011-08-17 | 2013-06-18 | CBF Networks, Inc. | Intelligent backhaul radio and antenna system |
US8422540B1 (en) | 2012-06-21 | 2013-04-16 | CBF Networks, Inc. | Intelligent backhaul radio with zero division duplexing |
US9083416B2 (en) * | 2012-06-20 | 2015-07-14 | Intel Mobile Communications GmbH | Combining in receive diversity systems |
US10992185B2 (en) | 2012-07-06 | 2021-04-27 | Energous Corporation | Systems and methods of using electromagnetic waves to wirelessly deliver power to game controllers |
US10205239B1 (en) | 2014-05-07 | 2019-02-12 | Energous Corporation | Compact PIFA antenna |
US9887584B1 (en) | 2014-08-21 | 2018-02-06 | Energous Corporation | Systems and methods for a configuration web service to provide configuration of a wireless power transmitter within a wireless power transmission system |
US9793758B2 (en) | 2014-05-23 | 2017-10-17 | Energous Corporation | Enhanced transmitter using frequency control for wireless power transmission |
US9966765B1 (en) | 2013-06-25 | 2018-05-08 | Energous Corporation | Multi-mode transmitter |
US10230266B1 (en) | 2014-02-06 | 2019-03-12 | Energous Corporation | Wireless power receivers that communicate status data indicating wireless power transmission effectiveness with a transmitter using a built-in communications component of a mobile device, and methods of use thereof |
US9787103B1 (en) | 2013-08-06 | 2017-10-10 | Energous Corporation | Systems and methods for wirelessly delivering power to electronic devices that are unable to communicate with a transmitter |
US9825674B1 (en) | 2014-05-23 | 2017-11-21 | Energous Corporation | Enhanced transmitter that selects configurations of antenna elements for performing wireless power transmission and receiving functions |
US10312715B2 (en) | 2015-09-16 | 2019-06-04 | Energous Corporation | Systems and methods for wireless power charging |
US9973021B2 (en) | 2012-07-06 | 2018-05-15 | Energous Corporation | Receivers for wireless power transmission |
US10291066B1 (en) | 2014-05-07 | 2019-05-14 | Energous Corporation | Power transmission control systems and methods |
US10218227B2 (en) | 2014-05-07 | 2019-02-26 | Energous Corporation | Compact PIFA antenna |
US10063064B1 (en) | 2014-05-23 | 2018-08-28 | Energous Corporation | System and method for generating a power receiver identifier in a wireless power network |
US10193396B1 (en) | 2014-05-07 | 2019-01-29 | Energous Corporation | Cluster management of transmitters in a wireless power transmission system |
US10199835B2 (en) | 2015-12-29 | 2019-02-05 | Energous Corporation | Radar motion detection using stepped frequency in wireless power transmission system |
US10243414B1 (en) | 2014-05-07 | 2019-03-26 | Energous Corporation | Wearable device with wireless power and payload receiver |
US10381880B2 (en) | 2014-07-21 | 2019-08-13 | Energous Corporation | Integrated antenna structure arrays for wireless power transmission |
US10050462B1 (en) | 2013-08-06 | 2018-08-14 | Energous Corporation | Social power sharing for mobile devices based on pocket-forming |
US9893554B2 (en) | 2014-07-14 | 2018-02-13 | Energous Corporation | System and method for providing health safety in a wireless power transmission system |
US9859757B1 (en) | 2013-07-25 | 2018-01-02 | Energous Corporation | Antenna tile arrangements in electronic device enclosures |
US9941754B2 (en) | 2012-07-06 | 2018-04-10 | Energous Corporation | Wireless power transmission with selective range |
US10211680B2 (en) | 2013-07-19 | 2019-02-19 | Energous Corporation | Method for 3 dimensional pocket-forming |
US10224982B1 (en) | 2013-07-11 | 2019-03-05 | Energous Corporation | Wireless power transmitters for transmitting wireless power and tracking whether wireless power receivers are within authorized locations |
US10223717B1 (en) | 2014-05-23 | 2019-03-05 | Energous Corporation | Systems and methods for payment-based authorization of wireless power transmission service |
US10075008B1 (en) | 2014-07-14 | 2018-09-11 | Energous Corporation | Systems and methods for manually adjusting when receiving electronic devices are scheduled to receive wirelessly delivered power from a wireless power transmitter in a wireless power network |
US9900057B2 (en) | 2012-07-06 | 2018-02-20 | Energous Corporation | Systems and methods for assigning groups of antenas of a wireless power transmitter to different wireless power receivers, and determining effective phases to use for wirelessly transmitting power using the assigned groups of antennas |
US9876648B2 (en) | 2014-08-21 | 2018-01-23 | Energous Corporation | System and method to control a wireless power transmission system by configuration of wireless power transmission control parameters |
US9899861B1 (en) | 2013-10-10 | 2018-02-20 | Energous Corporation | Wireless charging methods and systems for game controllers, based on pocket-forming |
US9876394B1 (en) | 2014-05-07 | 2018-01-23 | Energous Corporation | Boost-charger-boost system for enhanced power delivery |
US9871398B1 (en) | 2013-07-01 | 2018-01-16 | Energous Corporation | Hybrid charging method for wireless power transmission based on pocket-forming |
US10141768B2 (en) | 2013-06-03 | 2018-11-27 | Energous Corporation | Systems and methods for maximizing wireless power transfer efficiency by instructing a user to change a receiver device's position |
US11502551B2 (en) | 2012-07-06 | 2022-11-15 | Energous Corporation | Wirelessly charging multiple wireless-power receivers using different subsets of an antenna array to focus energy at different locations |
US10992187B2 (en) | 2012-07-06 | 2021-04-27 | Energous Corporation | System and methods of using electromagnetic waves to wirelessly deliver power to electronic devices |
US9893768B2 (en) | 2012-07-06 | 2018-02-13 | Energous Corporation | Methodology for multiple pocket-forming |
US9843213B2 (en) | 2013-08-06 | 2017-12-12 | Energous Corporation | Social power sharing for mobile devices based on pocket-forming |
US10148097B1 (en) | 2013-11-08 | 2018-12-04 | Energous Corporation | Systems and methods for using a predetermined number of communication channels of a wireless power transmitter to communicate with different wireless power receivers |
US9923386B1 (en) | 2012-07-06 | 2018-03-20 | Energous Corporation | Systems and methods for wireless power transmission by modifying a number of antenna elements used to transmit power waves to a receiver |
US10038337B1 (en) | 2013-09-16 | 2018-07-31 | Energous Corporation | Wireless power supply for rescue devices |
US9847679B2 (en) | 2014-05-07 | 2017-12-19 | Energous Corporation | System and method for controlling communication between wireless power transmitter managers |
US9887739B2 (en) | 2012-07-06 | 2018-02-06 | Energous Corporation | Systems and methods for wireless power transmission by comparing voltage levels associated with power waves transmitted by antennas of a plurality of antennas of a transmitter to determine appropriate phase adjustments for the power waves |
US10103582B2 (en) | 2012-07-06 | 2018-10-16 | Energous Corporation | Transmitters for wireless power transmission |
US9882430B1 (en) | 2014-05-07 | 2018-01-30 | Energous Corporation | Cluster management of transmitters in a wireless power transmission system |
US9912199B2 (en) | 2012-07-06 | 2018-03-06 | Energous Corporation | Receivers for wireless power transmission |
US9806564B2 (en) | 2014-05-07 | 2017-10-31 | Energous Corporation | Integrated rectifier and boost converter for wireless power transmission |
US10965164B2 (en) | 2012-07-06 | 2021-03-30 | Energous Corporation | Systems and methods of wirelessly delivering power to a receiver device |
US9941707B1 (en) | 2013-07-19 | 2018-04-10 | Energous Corporation | Home base station for multiple room coverage with multiple transmitters |
US9438045B1 (en) | 2013-05-10 | 2016-09-06 | Energous Corporation | Methods and systems for maximum power point transfer in receivers |
US10063106B2 (en) | 2014-05-23 | 2018-08-28 | Energous Corporation | System and method for a self-system analysis in a wireless power transmission network |
US9939864B1 (en) | 2014-08-21 | 2018-04-10 | Energous Corporation | System and method to control a wireless power transmission system by configuration of wireless power transmission control parameters |
US10186913B2 (en) | 2012-07-06 | 2019-01-22 | Energous Corporation | System and methods for pocket-forming based on constructive and destructive interferences to power one or more wireless power receivers using a wireless power transmitter including a plurality of antennas |
US9252628B2 (en) | 2013-05-10 | 2016-02-02 | Energous Corporation | Laptop computer as a transmitter for wireless charging |
US9906065B2 (en) | 2012-07-06 | 2018-02-27 | Energous Corporation | Systems and methods of transmitting power transmission waves based on signals received at first and second subsets of a transmitter's antenna array |
US10270261B2 (en) | 2015-09-16 | 2019-04-23 | Energous Corporation | Systems and methods of object detection in wireless power charging systems |
US9893555B1 (en) | 2013-10-10 | 2018-02-13 | Energous Corporation | Wireless charging of tools using a toolbox transmitter |
US9891669B2 (en) | 2014-08-21 | 2018-02-13 | Energous Corporation | Systems and methods for a configuration web service to provide configuration of a wireless power transmitter within a wireless power transmission system |
US10124754B1 (en) | 2013-07-19 | 2018-11-13 | Energous Corporation | Wireless charging and powering of electronic sensors in a vehicle |
US9368020B1 (en) | 2013-05-10 | 2016-06-14 | Energous Corporation | Off-premises alert system and method for wireless power receivers in a wireless power network |
US10008889B2 (en) | 2014-08-21 | 2018-06-26 | Energous Corporation | Method for automatically testing the operational status of a wireless power receiver in a wireless power transmission system |
US9843201B1 (en) | 2012-07-06 | 2017-12-12 | Energous Corporation | Wireless power transmitter that selects antenna sets for transmitting wireless power to a receiver based on location of the receiver, and methods of use thereof |
US9948135B2 (en) | 2015-09-22 | 2018-04-17 | Energous Corporation | Systems and methods for identifying sensitive objects in a wireless charging transmission field |
US10206185B2 (en) | 2013-05-10 | 2019-02-12 | Energous Corporation | System and methods for wireless power transmission to an electronic device in accordance with user-defined restrictions |
US10063105B2 (en) | 2013-07-11 | 2018-08-28 | Energous Corporation | Proximity transmitters for wireless power charging systems |
US9124125B2 (en) | 2013-05-10 | 2015-09-01 | Energous Corporation | Wireless power transmission with selective range |
US9876379B1 (en) | 2013-07-11 | 2018-01-23 | Energous Corporation | Wireless charging and powering of electronic devices in a vehicle |
US9859797B1 (en) | 2014-05-07 | 2018-01-02 | Energous Corporation | Synchronous rectifier design for wireless power receiver |
US9941747B2 (en) | 2014-07-14 | 2018-04-10 | Energous Corporation | System and method for manually selecting and deselecting devices to charge in a wireless power network |
US10211674B1 (en) | 2013-06-12 | 2019-02-19 | Energous Corporation | Wireless charging using selected reflectors |
US10090699B1 (en) | 2013-11-01 | 2018-10-02 | Energous Corporation | Wireless powered house |
US9991741B1 (en) | 2014-07-14 | 2018-06-05 | Energous Corporation | System for tracking and reporting status and usage information in a wireless power management system |
US10128693B2 (en) | 2014-07-14 | 2018-11-13 | Energous Corporation | System and method for providing health safety in a wireless power transmission system |
US10263432B1 (en) | 2013-06-25 | 2019-04-16 | Energous Corporation | Multi-mode transmitter with an antenna array for delivering wireless power and providing Wi-Fi access |
US10224758B2 (en) | 2013-05-10 | 2019-03-05 | Energous Corporation | Wireless powering of electronic devices with selective delivery range |
US9853692B1 (en) | 2014-05-23 | 2017-12-26 | Energous Corporation | Systems and methods for wireless power transmission |
US9859756B2 (en) | 2012-07-06 | 2018-01-02 | Energous Corporation | Transmittersand methods for adjusting wireless power transmission based on information from receivers |
US9867062B1 (en) | 2014-07-21 | 2018-01-09 | Energous Corporation | System and methods for using a remote server to authorize a receiving device that has requested wireless power and to determine whether another receiving device should request wireless power in a wireless power transmission system |
US10128699B2 (en) | 2014-07-14 | 2018-11-13 | Energous Corporation | Systems and methods of providing wireless power using receiver device sensor inputs |
US9882427B2 (en) | 2013-05-10 | 2018-01-30 | Energous Corporation | Wireless power delivery using a base station to control operations of a plurality of wireless power transmitters |
US9831718B2 (en) | 2013-07-25 | 2017-11-28 | Energous Corporation | TV with integrated wireless power transmitter |
US10199849B1 (en) | 2014-08-21 | 2019-02-05 | Energous Corporation | Method for automatically testing the operational status of a wireless power receiver in a wireless power transmission system |
US9812890B1 (en) | 2013-07-11 | 2017-11-07 | Energous Corporation | Portable wireless charging pad |
US10439448B2 (en) | 2014-08-21 | 2019-10-08 | Energous Corporation | Systems and methods for automatically testing the communication between wireless power transmitter and wireless power receiver |
US10090886B1 (en) | 2014-07-14 | 2018-10-02 | Energous Corporation | System and method for enabling automatic charging schedules in a wireless power network to one or more devices |
US9954374B1 (en) | 2014-05-23 | 2018-04-24 | Energous Corporation | System and method for self-system analysis for detecting a fault in a wireless power transmission Network |
US9824815B2 (en) | 2013-05-10 | 2017-11-21 | Energous Corporation | Wireless charging and powering of healthcare gadgets and sensors |
US9853458B1 (en) | 2014-05-07 | 2017-12-26 | Energous Corporation | Systems and methods for device and power receiver pairing |
US9838083B2 (en) | 2014-07-21 | 2017-12-05 | Energous Corporation | Systems and methods for communication with remote management systems |
US9847677B1 (en) | 2013-10-10 | 2017-12-19 | Energous Corporation | Wireless charging and powering of healthcare gadgets and sensors |
US10291055B1 (en) | 2014-12-29 | 2019-05-14 | Energous Corporation | Systems and methods for controlling far-field wireless power transmission based on battery power levels of a receiving device |
US10141791B2 (en) | 2014-05-07 | 2018-11-27 | Energous Corporation | Systems and methods for controlling communications during wireless transmission of power using application programming interfaces |
US9143000B2 (en) | 2012-07-06 | 2015-09-22 | Energous Corporation | Portable wireless charging pad |
US10256657B2 (en) | 2015-12-24 | 2019-04-09 | Energous Corporation | Antenna having coaxial structure for near field wireless power charging |
US10211682B2 (en) | 2014-05-07 | 2019-02-19 | Energous Corporation | Systems and methods for controlling operation of a transmitter of a wireless power network based on user instructions received from an authenticated computing device powered or charged by a receiver of the wireless power network |
US20140008993A1 (en) | 2012-07-06 | 2014-01-09 | DvineWave Inc. | Methodology for pocket-forming |
US9899873B2 (en) | 2014-05-23 | 2018-02-20 | Energous Corporation | System and method for generating a power receiver identifier in a wireless power network |
US20150326070A1 (en) | 2014-05-07 | 2015-11-12 | Energous Corporation | Methods and Systems for Maximum Power Point Transfer in Receivers |
US9450449B1 (en) | 2012-07-06 | 2016-09-20 | Energous Corporation | Antenna arrangement for pocket-forming |
US11190947B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for concurrent spectrum usage within actively used spectrum |
US10194346B2 (en) | 2012-11-26 | 2019-01-29 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
WO2014113974A1 (zh) * | 2013-01-25 | 2014-07-31 | 华为技术有限公司 | 波束选择的方法和基站 |
US10164698B2 (en) | 2013-03-12 | 2018-12-25 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
RU2767777C2 (ru) | 2013-03-15 | 2022-03-21 | Риарден, Ллк | Системы и способы радиочастотной калибровки с использованием принципа взаимности каналов в беспроводной связи с распределенным входом - распределенным выходом |
US9419443B2 (en) | 2013-05-10 | 2016-08-16 | Energous Corporation | Transducer sound arrangement for pocket-forming |
US9538382B2 (en) | 2013-05-10 | 2017-01-03 | Energous Corporation | System and method for smart registration of wireless power receivers in a wireless power network |
US9537357B2 (en) | 2013-05-10 | 2017-01-03 | Energous Corporation | Wireless sound charging methods and systems for game controllers, based on pocket-forming |
US9819230B2 (en) | 2014-05-07 | 2017-11-14 | Energous Corporation | Enhanced receiver for wireless power transmission |
US9866279B2 (en) | 2013-05-10 | 2018-01-09 | Energous Corporation | Systems and methods for selecting which power transmitter should deliver wireless power to a receiving device in a wireless power delivery network |
WO2014187893A1 (de) * | 2013-05-24 | 2014-11-27 | Hirschmann Automation And Control Gmbh | Wireless - redbox mit timing splitter |
US10103552B1 (en) | 2013-06-03 | 2018-10-16 | Energous Corporation | Protocols for authenticated wireless power transmission |
US10003211B1 (en) | 2013-06-17 | 2018-06-19 | Energous Corporation | Battery life of portable electronic devices |
US10021523B2 (en) | 2013-07-11 | 2018-07-10 | Energous Corporation | Proximity transmitters for wireless power charging systems |
US9979440B1 (en) | 2013-07-25 | 2018-05-22 | Energous Corporation | Antenna tile arrangements configured to operate as one functional unit |
JP2015076700A (ja) * | 2013-10-08 | 2015-04-20 | 株式会社Nttドコモ | 無線装置、無線制御装置及び通信制御方法 |
US9276778B2 (en) * | 2014-01-31 | 2016-03-01 | Qualcomm Incorporated | Instruction and method for fused rake-finger operation on a vector processor |
US9935482B1 (en) | 2014-02-06 | 2018-04-03 | Energous Corporation | Wireless power transmitters that transmit at determined times based on power availability and consumption at a receiving mobile device |
US10075017B2 (en) | 2014-02-06 | 2018-09-11 | Energous Corporation | External or internal wireless power receiver with spaced-apart antenna elements for charging or powering mobile devices using wirelessly delivered power |
US11290162B2 (en) | 2014-04-16 | 2022-03-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US9966784B2 (en) | 2014-06-03 | 2018-05-08 | Energous Corporation | Systems and methods for extending battery life of portable electronic devices charged by sound |
US10158257B2 (en) | 2014-05-01 | 2018-12-18 | Energous Corporation | System and methods for using sound waves to wirelessly deliver power to electronic devices |
US9800172B1 (en) | 2014-05-07 | 2017-10-24 | Energous Corporation | Integrated rectifier and boost converter for boosting voltage received from wireless power transmission waves |
US9973008B1 (en) | 2014-05-07 | 2018-05-15 | Energous Corporation | Wireless power receiver with boost converters directly coupled to a storage element |
US10153645B1 (en) | 2014-05-07 | 2018-12-11 | Energous Corporation | Systems and methods for designating a master power transmitter in a cluster of wireless power transmitters |
US10153653B1 (en) | 2014-05-07 | 2018-12-11 | Energous Corporation | Systems and methods for using application programming interfaces to control communications between a transmitter and a receiver |
US10170917B1 (en) | 2014-05-07 | 2019-01-01 | Energous Corporation | Systems and methods for managing and controlling a wireless power network by establishing time intervals during which receivers communicate with a transmitter |
US9876536B1 (en) | 2014-05-23 | 2018-01-23 | Energous Corporation | Systems and methods for assigning groups of antennas to transmit wireless power to different wireless power receivers |
US9871301B2 (en) | 2014-07-21 | 2018-01-16 | Energous Corporation | Integrated miniature PIFA with artificial magnetic conductor metamaterials |
US10116143B1 (en) | 2014-07-21 | 2018-10-30 | Energous Corporation | Integrated antenna arrays for wireless power transmission |
US10068703B1 (en) | 2014-07-21 | 2018-09-04 | Energous Corporation | Integrated miniature PIFA with artificial magnetic conductor metamaterials |
WO2016022727A1 (en) * | 2014-08-05 | 2016-02-11 | Massachusetts Institute Of Technology | Auxiliary antenna array for wideband sidelobe cancellation |
US10524161B2 (en) | 2014-08-20 | 2019-12-31 | Qualcomm Incorporated | Delay spread estimation and utilization |
US9917477B1 (en) | 2014-08-21 | 2018-03-13 | Energous Corporation | Systems and methods for automatically testing the communication between power transmitter and wireless receiver |
US9965009B1 (en) | 2014-08-21 | 2018-05-08 | Energous Corporation | Systems and methods for assigning a power receiver to individual power transmitters based on location of the power receiver |
WO2016106262A1 (en) * | 2014-12-27 | 2016-06-30 | Energous Corporation | Methodology for multiple pocket-forming |
US10122415B2 (en) | 2014-12-27 | 2018-11-06 | Energous Corporation | Systems and methods for assigning a set of antennas of a wireless power transmitter to a wireless power receiver based on a location of the wireless power receiver |
US9893535B2 (en) | 2015-02-13 | 2018-02-13 | Energous Corporation | Systems and methods for determining optimal charging positions to maximize efficiency of power received from wirelessly delivered sound wave energy |
US9906275B2 (en) | 2015-09-15 | 2018-02-27 | Energous Corporation | Identifying receivers in a wireless charging transmission field |
US9906245B2 (en) * | 2015-09-15 | 2018-02-27 | Raytheon Company | Point-to-point communications link |
US10523033B2 (en) | 2015-09-15 | 2019-12-31 | Energous Corporation | Receiver devices configured to determine location within a transmission field |
US10158259B1 (en) | 2015-09-16 | 2018-12-18 | Energous Corporation | Systems and methods for identifying receivers in a transmission field by transmitting exploratory power waves towards different segments of a transmission field |
US9871387B1 (en) | 2015-09-16 | 2018-01-16 | Energous Corporation | Systems and methods of object detection using one or more video cameras in wireless power charging systems |
US10186893B2 (en) | 2015-09-16 | 2019-01-22 | Energous Corporation | Systems and methods for real time or near real time wireless communications between a wireless power transmitter and a wireless power receiver |
US9941752B2 (en) | 2015-09-16 | 2018-04-10 | Energous Corporation | Systems and methods of object detection in wireless power charging systems |
US11710321B2 (en) | 2015-09-16 | 2023-07-25 | Energous Corporation | Systems and methods of object detection in wireless power charging systems |
US10211685B2 (en) | 2015-09-16 | 2019-02-19 | Energous Corporation | Systems and methods for real or near real time wireless communications between a wireless power transmitter and a wireless power receiver |
US9893538B1 (en) | 2015-09-16 | 2018-02-13 | Energous Corporation | Systems and methods of object detection in wireless power charging systems |
US10199850B2 (en) | 2015-09-16 | 2019-02-05 | Energous Corporation | Systems and methods for wirelessly transmitting power from a transmitter to a receiver by determining refined locations of the receiver in a segmented transmission field associated with the transmitter |
US10778041B2 (en) | 2015-09-16 | 2020-09-15 | Energous Corporation | Systems and methods for generating power waves in a wireless power transmission system |
US10008875B1 (en) | 2015-09-16 | 2018-06-26 | Energous Corporation | Wireless power transmitter configured to transmit power waves to a predicted location of a moving wireless power receiver |
US10027168B2 (en) | 2015-09-22 | 2018-07-17 | Energous Corporation | Systems and methods for generating and transmitting wireless power transmission waves using antennas having a spacing that is selected by the transmitter |
US10020678B1 (en) | 2015-09-22 | 2018-07-10 | Energous Corporation | Systems and methods for selecting antennas to generate and transmit power transmission waves |
US10153660B1 (en) | 2015-09-22 | 2018-12-11 | Energous Corporation | Systems and methods for preconfiguring sensor data for wireless charging systems |
US10128686B1 (en) | 2015-09-22 | 2018-11-13 | Energous Corporation | Systems and methods for identifying receiver locations using sensor technologies |
US10050470B1 (en) | 2015-09-22 | 2018-08-14 | Energous Corporation | Wireless power transmission device having antennas oriented in three dimensions |
US10135294B1 (en) | 2015-09-22 | 2018-11-20 | Energous Corporation | Systems and methods for preconfiguring transmission devices for power wave transmissions based on location data of one or more receivers |
US10135295B2 (en) | 2015-09-22 | 2018-11-20 | Energous Corporation | Systems and methods for nullifying energy levels for wireless power transmission waves |
US10033222B1 (en) | 2015-09-22 | 2018-07-24 | Energous Corporation | Systems and methods for determining and generating a waveform for wireless power transmission waves |
US10333332B1 (en) | 2015-10-13 | 2019-06-25 | Energous Corporation | Cross-polarized dipole antenna |
US10734717B2 (en) | 2015-10-13 | 2020-08-04 | Energous Corporation | 3D ceramic mold antenna |
US9853485B2 (en) | 2015-10-28 | 2017-12-26 | Energous Corporation | Antenna for wireless charging systems |
US9899744B1 (en) | 2015-10-28 | 2018-02-20 | Energous Corporation | Antenna for wireless charging systems |
US10027180B1 (en) | 2015-11-02 | 2018-07-17 | Energous Corporation | 3D triple linear antenna that acts as heat sink |
US10063108B1 (en) | 2015-11-02 | 2018-08-28 | Energous Corporation | Stamped three-dimensional antenna |
US10135112B1 (en) | 2015-11-02 | 2018-11-20 | Energous Corporation | 3D antenna mount |
US9853751B2 (en) * | 2015-12-21 | 2017-12-26 | Vecima Networks Inc. | Method of estimating the frequency response of multipath channels |
US10256677B2 (en) | 2016-12-12 | 2019-04-09 | Energous Corporation | Near-field RF charging pad with adaptive loading to efficiently charge an electronic device at any position on the pad |
US10079515B2 (en) | 2016-12-12 | 2018-09-18 | Energous Corporation | Near-field RF charging pad with multi-band antenna element with adaptive loading to efficiently charge an electronic device at any position on the pad |
US10038332B1 (en) | 2015-12-24 | 2018-07-31 | Energous Corporation | Systems and methods of wireless power charging through multiple receiving devices |
US10320446B2 (en) | 2015-12-24 | 2019-06-11 | Energous Corporation | Miniaturized highly-efficient designs for near-field power transfer system |
US10027159B2 (en) | 2015-12-24 | 2018-07-17 | Energous Corporation | Antenna for transmitting wireless power signals |
US11863001B2 (en) | 2015-12-24 | 2024-01-02 | Energous Corporation | Near-field antenna for wireless power transmission with antenna elements that follow meandering patterns |
US10277054B2 (en) | 2015-12-24 | 2019-04-30 | Energous Corporation | Near-field charging pad for wireless power charging of a receiver device that is temporarily unable to communicate |
US10164478B2 (en) | 2015-12-29 | 2018-12-25 | Energous Corporation | Modular antenna boards in wireless power transmission systems |
US9729220B1 (en) * | 2016-03-01 | 2017-08-08 | Ceragon Networks Ltd. | Transmit diversity and receive diversity for single carrier modulation |
US10923954B2 (en) | 2016-11-03 | 2021-02-16 | Energous Corporation | Wireless power receiver with a synchronous rectifier |
KR102349607B1 (ko) | 2016-12-12 | 2022-01-12 | 에너저스 코포레이션 | 전달되는 무선 전력을 최대화하기 위한 근접장 충전 패드의 안테나 존들을 선택적으로 활성화시키는 방법 |
US10389161B2 (en) | 2017-03-15 | 2019-08-20 | Energous Corporation | Surface mount dielectric antennas for wireless power transmitters |
US10680319B2 (en) | 2017-01-06 | 2020-06-09 | Energous Corporation | Devices and methods for reducing mutual coupling effects in wireless power transmission systems |
US10439442B2 (en) | 2017-01-24 | 2019-10-08 | Energous Corporation | Microstrip antennas for wireless power transmitters |
US11011942B2 (en) | 2017-03-30 | 2021-05-18 | Energous Corporation | Flat antennas having two or more resonant frequencies for use in wireless power transmission systems |
US10511097B2 (en) | 2017-05-12 | 2019-12-17 | Energous Corporation | Near-field antennas for accumulating energy at a near-field distance with minimal far-field gain |
AU2018265772B2 (en) * | 2017-05-12 | 2022-06-09 | Locata Corporation Pty Ltd | Methods and apparatus for characterising the environment of a user platform |
US11462949B2 (en) | 2017-05-16 | 2022-10-04 | Wireless electrical Grid LAN, WiGL Inc | Wireless charging method and system |
US10848853B2 (en) | 2017-06-23 | 2020-11-24 | Energous Corporation | Systems, methods, and devices for utilizing a wire of a sound-producing device as an antenna for receipt of wirelessly delivered power |
US10122219B1 (en) | 2017-10-10 | 2018-11-06 | Energous Corporation | Systems, methods, and devices for using a battery as a antenna for receiving wirelessly delivered power from radio frequency power waves |
US11342798B2 (en) | 2017-10-30 | 2022-05-24 | Energous Corporation | Systems and methods for managing coexistence of wireless-power signals and data signals operating in a same frequency band |
US10615647B2 (en) | 2018-02-02 | 2020-04-07 | Energous Corporation | Systems and methods for detecting wireless power receivers and other objects at a near-field charging pad |
US11159057B2 (en) | 2018-03-14 | 2021-10-26 | Energous Corporation | Loop antennas with selectively-activated feeds to control propagation patterns of wireless power signals |
CN112997417A (zh) * | 2018-06-13 | 2021-06-18 | 脸谱公司 | Mimo(多输入多输出)流间干扰消除 |
US11515732B2 (en) | 2018-06-25 | 2022-11-29 | Energous Corporation | Power wave transmission techniques to focus wirelessly delivered power at a receiving device |
US11437735B2 (en) | 2018-11-14 | 2022-09-06 | Energous Corporation | Systems for receiving electromagnetic energy using antennas that are minimally affected by the presence of the human body |
US11539243B2 (en) | 2019-01-28 | 2022-12-27 | Energous Corporation | Systems and methods for miniaturized antenna for wireless power transmissions |
KR20210123329A (ko) | 2019-02-06 | 2021-10-13 | 에너저스 코포레이션 | 안테나 어레이에 있어서의 개별 안테나들에 이용하기 위해 최적 위상을 추정하는 시스템 및 방법 |
WO2021055900A1 (en) | 2019-09-20 | 2021-03-25 | Energous Corporation | Classifying and detecting foreign objects using a power amplifier controller integrated circuit in wireless power transmission systems |
WO2021055899A1 (en) | 2019-09-20 | 2021-03-25 | Energous Corporation | Systems and methods of protecting wireless power receivers using multiple rectifiers and establishing in-band communications using multiple rectifiers |
WO2021055898A1 (en) | 2019-09-20 | 2021-03-25 | Energous Corporation | Systems and methods for machine learning based foreign object detection for wireless power transmission |
US11381118B2 (en) | 2019-09-20 | 2022-07-05 | Energous Corporation | Systems and methods for machine learning based foreign object detection for wireless power transmission |
US11355966B2 (en) | 2019-12-13 | 2022-06-07 | Energous Corporation | Charging pad with guiding contours to align an electronic device on the charging pad and efficiently transfer near-field radio-frequency energy to the electronic device |
US10985617B1 (en) | 2019-12-31 | 2021-04-20 | Energous Corporation | System for wirelessly transmitting energy at a near-field distance without using beam-forming control |
US11799324B2 (en) | 2020-04-13 | 2023-10-24 | Energous Corporation | Wireless-power transmitting device for creating a uniform near-field charging area |
US11916398B2 (en) | 2021-12-29 | 2024-02-27 | Energous Corporation | Small form-factor devices with integrated and modular harvesting receivers, and shelving-mounted wireless-power transmitters for use therewith |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010018995A (ko) * | 1999-08-24 | 2001-03-15 | 윤종용 | 차세대 이동 통신 시스템에서의 폐쇄 루프 전송 안테나 다이버시티 방법 및 이를 위한 기지국 장치 및 이동국 장치 |
KR20020022109A (ko) * | 1999-09-01 | 2002-03-23 | 밀러 럿셀 비 | 무선통신시스템에서의 빔형성 방법 및 장치 |
US6377631B1 (en) * | 1996-08-29 | 2002-04-23 | Cisco Systems, Inc. | Transmitter incorporating spatio-temporal processing |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3259675A (en) * | 1960-12-29 | 1966-07-05 | Schlumberger Well Surv Corp | Methods for manufacturing armored cables |
GB944316A (en) * | 1961-10-19 | 1963-12-11 | Communications Patents Ltd | Improved electric cables |
US3602632A (en) * | 1970-01-05 | 1971-08-31 | United States Steel Corp | Shielded electric cable |
US3678177A (en) * | 1971-03-29 | 1972-07-18 | British Insulated Callenders | Telecommunication cables |
US4077022A (en) * | 1974-08-05 | 1978-02-28 | Texaco Inc. | Well logging method and means using an armored multiconductor coaxial cable |
FR2379694A1 (fr) * | 1977-02-03 | 1978-09-01 | Schlumberger Prospection | Systeme de transmission de donnees pour puits de forage |
FR2508227A1 (fr) * | 1981-06-18 | 1982-12-24 | Cables De Lyon Geoffroy Delore | Cable electromecanique resistant a des temperatures et pressions elevees et son procede de fabrication |
US4777324A (en) * | 1987-03-30 | 1988-10-11 | Noel Lee | Signal cable assembly with fibrous insulation |
US5148408A (en) * | 1990-11-05 | 1992-09-15 | Teleco Oilfield Services Inc. | Acoustic data transmission method |
US5535150A (en) * | 1993-04-20 | 1996-07-09 | Massachusetts Institute Of Technology | Single chip adaptive filter utilizing updatable weighting techniques |
FR2708310B1 (fr) * | 1993-07-27 | 1995-10-20 | Schlumberger Services Petrol | Procédé et dispositif pour transmettre des informations relatives au fonctionnement d'un appareil électrique au fond d'un puits. |
US5566209A (en) * | 1994-02-10 | 1996-10-15 | Telefonaktiebolaget Lm Ericsson | Transceiver algorithms of antenna arrays |
US5537435A (en) * | 1994-04-08 | 1996-07-16 | Carney; Ronald | Transceiver apparatus employing wideband FFT channelizer with output sample timing adjustment and inverse FFT combiner for multichannel communication network |
US5636246A (en) * | 1994-11-16 | 1997-06-03 | Aware, Inc. | Multicarrier transmission system |
US5574250A (en) * | 1995-02-03 | 1996-11-12 | W. L. Gore & Associates, Inc. | Multiple differential pair cable |
US5649287A (en) * | 1995-03-29 | 1997-07-15 | Telefonaktiebolaget Lm Ericsson | Orthogonalizing methods for antenna pattern nullfilling |
US5495547A (en) * | 1995-04-12 | 1996-02-27 | Western Atlas International, Inc. | Combination fiber-optic/electrical conductor well logging cable |
US5504479A (en) * | 1995-06-07 | 1996-04-02 | Western Atlas International, Inc. | Carrierless amplitude and phase modulation telementry for use in electric wireline well logging |
EP0807989B1 (en) * | 1996-05-17 | 2001-06-27 | Motorola Ltd | Devices for transmitter path weights and methods therefor |
US6005894A (en) * | 1997-04-04 | 1999-12-21 | Kumar; Derek D. | AM-compatible digital broadcasting method and system |
US5962819A (en) * | 1998-03-11 | 1999-10-05 | Paulsson Geophysical Services, Inc. | Clamped receiver array using coiled tubing conveyed packer elements |
AU1330200A (en) * | 1998-10-30 | 2000-05-22 | Broadcom Corporation | Internet gigabit ethernet transmitter architecture |
KR100615887B1 (ko) * | 2000-04-07 | 2006-08-25 | 삼성전자주식회사 | 되먹임 기능을 갖는 무선 통신 시스템 및 그 방법 |
EP1315311B1 (en) * | 2000-08-10 | 2006-11-15 | Fujitsu Limited | Transmission diversity communication device |
US20020150155A1 (en) * | 2001-02-26 | 2002-10-17 | Itzhak Florentin | Convergence speed, lowering the excess noise and power consumption of equalizers |
US7103090B2 (en) * | 2001-08-13 | 2006-09-05 | Mediatek Inc. | Timing estimation of direct sequence spread spectrum communications systems over frequency-selective, slowly fading channels |
EP1469686B1 (en) * | 2002-01-18 | 2013-05-29 | Fujitsu Limited | Method and apparatus for controlling feedback in closed loop transmission diversity |
US7218682B2 (en) * | 2002-02-12 | 2007-05-15 | Itt Manufacturing Enterprises, Inc. | Methods and apparatus for synchronously combining signals from plural transmitters |
US8014374B2 (en) * | 2003-04-07 | 2011-09-06 | Bellow Bellows Llc | System and method for achieving timing compatibility with multi-antenna wireless data protocols |
-
2002
- 2002-04-30 EP EP02291093A patent/EP1359684A1/en not_active Withdrawn
-
2003
- 2003-04-18 JP JP2004502500A patent/JP4395063B2/ja not_active Expired - Fee Related
- 2003-04-18 KR KR1020047017425A patent/KR100948007B1/ko active IP Right Grant
- 2003-04-18 US US10/509,309 patent/US7248645B2/en not_active Expired - Lifetime
- 2003-04-18 CN CNB038097559A patent/CN100521577C/zh not_active Expired - Lifetime
- 2003-04-18 WO PCT/EP2003/004184 patent/WO2003094386A1/en active Application Filing
- 2003-04-18 AU AU2003227664A patent/AU2003227664A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6377631B1 (en) * | 1996-08-29 | 2002-04-23 | Cisco Systems, Inc. | Transmitter incorporating spatio-temporal processing |
KR20010018995A (ko) * | 1999-08-24 | 2001-03-15 | 윤종용 | 차세대 이동 통신 시스템에서의 폐쇄 루프 전송 안테나 다이버시티 방법 및 이를 위한 기지국 장치 및 이동국 장치 |
KR20020022109A (ko) * | 1999-09-01 | 2002-03-23 | 밀러 럿셀 비 | 무선통신시스템에서의 빔형성 방법 및 장치 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101436973B1 (ko) | 2012-01-30 | 2014-09-02 | 브로드콤 코포레이션 | 슈퍼차지드 코드들 |
Also Published As
Publication number | Publication date |
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CN1650542A (zh) | 2005-08-03 |
US20050117660A1 (en) | 2005-06-02 |
EP1359684A1 (en) | 2003-11-05 |
KR20040102192A (ko) | 2004-12-03 |
JP2005524331A (ja) | 2005-08-11 |
US7248645B2 (en) | 2007-07-24 |
CN100521577C (zh) | 2009-07-29 |
AU2003227664A1 (en) | 2003-11-17 |
WO2003094386A1 (en) | 2003-11-13 |
JP4395063B2 (ja) | 2010-01-06 |
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