KR100842619B1 - 분산 무선 통신 시스템에서 심볼 에러율의 기반 직교 공간시간 블록 코드 겸 빔 형성을 위한 적응식 전송 파워 할당방법 - Google Patents
분산 무선 통신 시스템에서 심볼 에러율의 기반 직교 공간시간 블록 코드 겸 빔 형성을 위한 적응식 전송 파워 할당방법 Download PDFInfo
- Publication number
- KR100842619B1 KR100842619B1 KR1020060115851A KR20060115851A KR100842619B1 KR 100842619 B1 KR100842619 B1 KR 100842619B1 KR 1020060115851 A KR1020060115851 A KR 1020060115851A KR 20060115851 A KR20060115851 A KR 20060115851A KR 100842619 B1 KR100842619 B1 KR 100842619B1
- Authority
- KR
- South Korea
- Prior art keywords
- subset
- power allocation
- subarray
- subarrays
- wireless communication
- Prior art date
Links
Images
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
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
- H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
-
- 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
- H04B7/0613—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
- H04B7/0615—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 weighted versions of same signal
- H04B7/0617—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 weighted versions of same signal for beam forming
-
- 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
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0625—Transmitter arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0637—Properties of the code
- H04L1/0668—Orthogonal systems, e.g. using Alamouti codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (4)
- 분산 무선 통신 시스템에서의 직교 공간 시간 블록 코드 겸 빔 형성을 위한 적응식 전송 파워 할당 장치에 있어서,각각 다수개의 분산 안테나가 무작위로 그룹을 이루며 위치해 있으며, 다수개의 지리적으로 분산되어 있는 빔 형성을 위한 서브어레이와,수신측으로부터 피드백된 상기 서브어레이 각각의 대규모 페이딩에 대한 정보 및 나카가미 페이딩 파라미터를 이용하여, 상기 다수의 서브어레이에서 조합 가능한 서브세트별 미리 설정된 파워 할당 방식을 적용하여 성능을 확인하며, 상기 확인한 성능에 따라 최선의 성능을 가지는 서브세트를 최적의 서브세트로 설정하며, 이에 따른 파워 할당을 수행하는 중앙 처리 유닛을 구비하며,상기 미리 설정된 파워 할당 방식은 상기 각각의 서브어레이의 나카가미 페이딩 파라미터 m에 비례하는 전송 파워를 할당하는 것이며,상기 성능 확인은 심볼 에러 레이트를 확인하는 것이며, 상기 확인한 심볼 에러 레이트가 가장 낮은 서브세트를 상기 최적의 서브세트로 설정하는 것임을 특징으로 하는 전송 파워 할당 장치.
- 삭제
- 삭제
- 각각 다수개의 분산 안테나가 무작위로 그룹을 이루며 위치해 있으며, 다수개의 지리적으로 분산되어 있는 빔 형성을 위한 서브어레이를 구비한 분산 무선 통신 시스템에서의 직교 공간 시간 블록 코드 겸 빔 형성을 위한 적응식 전송 파워 할당 방법에 있어서,상기 각각의 서브어레이에 대해 DOA(Direction - of - Arrival)를 추정하고, 각각의 안테나 서브어레이에 대해 어레이 응답 벡터를 생성하는 과정과,수신측으로부터 피드백된 상기 서브어레이 각각의 대규모 페이딩에 대한 정보 및 나카가미 페이딩 파라미터를 이용하여, 상기 다수의 서브어레이에서 조합 가능한 서브세트별 상기 각각의 서브어레이의 나카가미 페이딩 파라미터 m에 비례하는 전송 파워를 할당하여, 상기 각각의 서브세트별 심볼 에러 레이트를 구하는 과정과,상기 구한 심볼 에러 레이트가 가장 낮은 서브세트를 최적의 서브세트로 설정하며 이에 따른 파워 할당을 수행함을 특징으로 하는 전송 파워 할당 방법
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060115851A KR100842619B1 (ko) | 2006-11-22 | 2006-11-22 | 분산 무선 통신 시스템에서 심볼 에러율의 기반 직교 공간시간 블록 코드 겸 빔 형성을 위한 적응식 전송 파워 할당방법 |
US11/974,402 US7904106B2 (en) | 2006-11-22 | 2007-10-12 | Method and apparatus of adaptively allocating transmission power for beamforming combined with orthogonal space-time block codes based on symbol error rate in distributed wireless communication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060115851A KR100842619B1 (ko) | 2006-11-22 | 2006-11-22 | 분산 무선 통신 시스템에서 심볼 에러율의 기반 직교 공간시간 블록 코드 겸 빔 형성을 위한 적응식 전송 파워 할당방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080046420A KR20080046420A (ko) | 2008-05-27 |
KR100842619B1 true KR100842619B1 (ko) | 2008-06-30 |
Family
ID=39416908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060115851A KR100842619B1 (ko) | 2006-11-22 | 2006-11-22 | 분산 무선 통신 시스템에서 심볼 에러율의 기반 직교 공간시간 블록 코드 겸 빔 형성을 위한 적응식 전송 파워 할당방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7904106B2 (ko) |
KR (1) | KR100842619B1 (ko) |
Families Citing this family (79)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7139324B1 (en) * | 2000-06-02 | 2006-11-21 | Nokia Networks Oy | Closed loop feedback system for improved down link performance |
US8571086B2 (en) * | 2004-04-02 | 2013-10-29 | Rearden, Llc | System and method for DIDO precoding interpolation in multicarrier systems |
US9312929B2 (en) | 2004-04-02 | 2016-04-12 | Rearden, Llc | System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS) |
US11394436B2 (en) | 2004-04-02 | 2022-07-19 | 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 |
US10886979B2 (en) | 2004-04-02 | 2021-01-05 | Rearden, Llc | System and method for link adaptation in DIDO multicarrier systems |
US10200094B2 (en) | 2004-04-02 | 2019-02-05 | Rearden, Llc | Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems |
US7633994B2 (en) * | 2004-07-30 | 2009-12-15 | Rearden, LLC. | System and method for distributed input-distributed output wireless communications |
US10749582B2 (en) | 2004-04-02 | 2020-08-18 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US10425134B2 (en) | 2004-04-02 | 2019-09-24 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US8170081B2 (en) | 2004-04-02 | 2012-05-01 | Rearden, LLC. | System and method for adjusting DIDO interference cancellation based on signal strength measurements |
US11309943B2 (en) | 2004-04-02 | 2022-04-19 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US10187133B2 (en) * | 2004-04-02 | 2019-01-22 | Rearden, Llc | System and method for power control and antenna grouping in a distributed-input-distributed-output (DIDO) network |
US9819403B2 (en) * | 2004-04-02 | 2017-11-14 | Rearden, Llc | System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client |
US8654815B1 (en) | 2004-04-02 | 2014-02-18 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10277290B2 (en) | 2004-04-02 | 2019-04-30 | Rearden, Llc | Systems and methods to exploit areas of coherence in wireless systems |
US8542763B2 (en) | 2004-04-02 | 2013-09-24 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US9826537B2 (en) * | 2004-04-02 | 2017-11-21 | Rearden, Llc | System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters |
US10985811B2 (en) | 2004-04-02 | 2021-04-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US9685997B2 (en) | 2007-08-20 | 2017-06-20 | Rearden, Llc | Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems |
KR100834631B1 (ko) * | 2006-10-25 | 2008-06-02 | 삼성전자주식회사 | 분산 무선 통신 시스템에서의 직교 공간 시간 블록 코드 겸빔 형성을 위한 적응식 전송 파워 할당 방법 |
KR100842619B1 (ko) * | 2006-11-22 | 2008-06-30 | 삼성전자주식회사 | 분산 무선 통신 시스템에서 심볼 에러율의 기반 직교 공간시간 블록 코드 겸 빔 형성을 위한 적응식 전송 파워 할당방법 |
KR100842620B1 (ko) * | 2007-01-25 | 2008-06-30 | 삼성전자주식회사 | 분산 무선 통신 시스템에서 직교 공간 시간 블록 코드를위한 심볼 에러율 기반 송신 전력 할당 방법 |
US8989155B2 (en) | 2007-08-20 | 2015-03-24 | Rearden, Llc | Systems and methods for wireless backhaul in distributed-input distributed-output wireless systems |
US8040278B2 (en) * | 2007-11-09 | 2011-10-18 | Intel Corporation | Adaptive antenna beamforming |
BRPI0823409B1 (pt) * | 2008-12-30 | 2020-04-22 | Telecom Italia Spa | método de arranjar troca de sinais entre terminais de usuário em um sistema de comunicação celular e pelo menos uma estação base, sistema de antena distribuída, e, memória legível por computador |
US8660057B2 (en) | 2010-08-26 | 2014-02-25 | Golba, Llc | Method and system for distributed communication |
US8599794B2 (en) * | 2010-09-08 | 2013-12-03 | Intel Corporation | Enhanced base station and method for communicating through an enhanced distributed antenna system (eDAS) |
US9030161B2 (en) * | 2011-06-27 | 2015-05-12 | Board Of Regents, The University Of Texas System | Wireless power transmission |
US9713019B2 (en) | 2011-08-17 | 2017-07-18 | CBF Networks, Inc. | Self organizing backhaul radio |
US8928542B2 (en) | 2011-08-17 | 2015-01-06 | CBF Networks, Inc. | Backhaul radio with an aperture-fed antenna assembly |
US8989762B1 (en) | 2013-12-05 | 2015-03-24 | CBF Networks, Inc. | Advanced backhaul services |
US8467363B2 (en) * | 2011-08-17 | 2013-06-18 | CBF Networks, Inc. | Intelligent backhaul radio and antenna system |
US8780943B2 (en) | 2011-10-17 | 2014-07-15 | Golba Llc | Method and system for utilizing multiplexing to increase throughput in a network of distributed transceivers with array processing |
US8705593B2 (en) * | 2012-01-25 | 2014-04-22 | I Shou University | Evaluation device and method for providing a transceiver system with performance information thereof |
US8767862B2 (en) | 2012-05-29 | 2014-07-01 | Magnolia Broadband Inc. | Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network |
US9154204B2 (en) * | 2012-06-11 | 2015-10-06 | Magnolia Broadband Inc. | Implementing transmit RDN architectures in uplink MIMO systems |
US10020861B2 (en) | 2012-08-08 | 2018-07-10 | Golba Llc | Method and system for distributed transceivers and mobile device connectivity |
US11050468B2 (en) | 2014-04-16 | 2021-06-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US11190947B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for concurrent spectrum usage within actively used spectrum |
US11189917B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for distributing radioheads |
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 |
CN103874180B (zh) * | 2012-12-14 | 2017-10-31 | 中国电信股份有限公司 | 双路发射终端的最大发射功率控制方法与装置 |
US9343808B2 (en) | 2013-02-08 | 2016-05-17 | Magnotod Llc | Multi-beam MIMO time division duplex base station using subset of radios |
US8797969B1 (en) | 2013-02-08 | 2014-08-05 | Magnolia Broadband Inc. | Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations |
US9155110B2 (en) | 2013-03-27 | 2015-10-06 | Magnolia Broadband Inc. | System and method for co-located and co-channel Wi-Fi access points |
US10720714B1 (en) * | 2013-03-04 | 2020-07-21 | Ethertronics, Inc. | Beam shaping techniques for wideband antenna |
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 |
US9923657B2 (en) | 2013-03-12 | 2018-03-20 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US10488535B2 (en) | 2013-03-12 | 2019-11-26 | Rearden, Llc | Apparatus and method for capturing still images and video using diffraction coded imaging techniques |
US9973246B2 (en) | 2013-03-12 | 2018-05-15 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US10547358B2 (en) | 2013-03-15 | 2020-01-28 | Rearden, Llc | Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications |
US9100968B2 (en) | 2013-05-09 | 2015-08-04 | Magnolia Broadband Inc. | Method and system for digital cancellation scheme with multi-beam |
US9497781B2 (en) | 2013-08-13 | 2016-11-15 | Magnolia Broadband Inc. | System and method for co-located and co-channel Wi-Fi access points |
US9172454B2 (en) | 2013-11-01 | 2015-10-27 | Magnolia Broadband Inc. | Method and system for calibrating a transceiver array |
US8891598B1 (en) | 2013-11-19 | 2014-11-18 | Magnolia Broadband Inc. | Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems |
US8942134B1 (en) | 2013-11-20 | 2015-01-27 | Magnolia Broadband Inc. | System and method for selective registration in a multi-beam system |
US9294177B2 (en) | 2013-11-26 | 2016-03-22 | Magnolia Broadband Inc. | System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems |
US9100154B1 (en) | 2014-03-19 | 2015-08-04 | Magnolia Broadband Inc. | Method and system for explicit AP-to-AP sounding in an 802.11 network |
US9172446B2 (en) | 2014-03-19 | 2015-10-27 | Magnolia Broadband Inc. | Method and system for supporting sparse explicit sounding by implicit data |
US11290162B2 (en) | 2014-04-16 | 2022-03-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
CN104485988B (zh) * | 2014-09-18 | 2017-12-29 | 北京邮电大学 | 一种基于能量有效的分布式星群节点选择方法 |
CN104378150B (zh) * | 2014-10-29 | 2018-02-02 | 郑州大学 | 一种分布式mimo系统中最小化误符号率的功率分配方法 |
WO2016112308A2 (en) * | 2015-01-09 | 2016-07-14 | Corning Optical Communications LLC | Multiple application module or unit |
CN104881267B (zh) * | 2015-03-04 | 2017-12-15 | 西安电子科技大学 | 一种基于权重法的Nakagami‑m复衰落随机序列生成方法 |
CN104753837B (zh) * | 2015-03-12 | 2018-03-13 | 西安电子科技大学 | 正交信道中数据传输功率的最优分配方法 |
KR101703744B1 (ko) * | 2015-06-15 | 2017-02-07 | 주식회사 케이엠더블유 | 다중대역 이동통신 기지국 안테나의 다중 이상기 |
WO2017189406A1 (en) | 2016-04-27 | 2017-11-02 | Corning Optical Communications LLC | Multiple application modules (mam) and/or multiple application units (mau) for providing services in wireless distribution systems (wds), including distributed antenna systems (das), and related systems and methods |
EP3465440A1 (en) | 2016-05-31 | 2019-04-10 | Corning Optical Communications LLC | Multiple application devices for providing services in wireless distribution systems (wds), including distributed antenna systems (das), and related systems and methods |
TWI582451B (zh) * | 2016-06-15 | 2017-05-11 | 啟碁科技股份有限公司 | 車用雷達系統 |
US10321332B2 (en) | 2017-05-30 | 2019-06-11 | Movandi Corporation | Non-line-of-sight (NLOS) coverage for millimeter wave communication |
US10484078B2 (en) | 2017-07-11 | 2019-11-19 | Movandi Corporation | Reconfigurable and modular active repeater device |
US10348371B2 (en) | 2017-12-07 | 2019-07-09 | Movandi Corporation | Optimized multi-beam antenna array network with an extended radio frequency range |
US10862559B2 (en) | 2017-12-08 | 2020-12-08 | Movandi Corporation | Signal cancellation in radio frequency (RF) device network |
US11088457B2 (en) | 2018-02-26 | 2021-08-10 | Silicon Valley Bank | Waveguide antenna element based beam forming phased array antenna system for millimeter wave communication |
US10637159B2 (en) | 2018-02-26 | 2020-04-28 | Movandi Corporation | Waveguide antenna element-based beam forming phased array antenna system for millimeter wave communication |
EP3864762A4 (en) * | 2018-10-08 | 2022-06-15 | Telefonaktiebolaget LM Ericsson (publ) | DETERMINING THE TRANSMISSION POWER OF A NETWORK ANTENNA |
EP3793097A1 (en) * | 2019-09-16 | 2021-03-17 | Telefonica, S.A. | Method and system for optimal spatial multiplexing in wireless communications systems using su-mimo techniques |
KR102570153B1 (ko) * | 2021-04-02 | 2023-08-25 | 한국전자통신연구원 | 초고주파 기반 배열 안테나 및 이를 이용한 통신 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20010038356A1 (en) | 2000-03-10 | 2001-11-08 | Frank Colin D. | Method and apparatus for antenna array beamforming |
KR20040108815A (ko) | 2002-05-13 | 2004-12-24 | 인터디지탈 테크날러지 코포레이션 | 빔을 이용하는 슬롯 코드 분할 다중 접속 시스템에서사용자에게 리소스를 할당하는 방법 |
KR20050027186A (ko) | 2003-09-13 | 2005-03-18 | 리전츠 어브 더 유니버시티 오브 미네소타 | 부분 채널 정보를 이용하는 다중 안테나 전송을 위한적응형 변조 장치 및 방법 |
KR20060049146A (ko) | 2004-10-21 | 2006-05-18 | 삼성전자주식회사 | 다중입출력 통신 시스템의 빔 및 전력 할당 방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6662024B2 (en) * | 2001-05-16 | 2003-12-09 | Qualcomm Incorporated | Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system |
US6850741B2 (en) * | 2002-04-04 | 2005-02-01 | Agency For Science, Technology And Research | Method for selecting switched orthogonal beams for downlink diversity transmission |
US8320301B2 (en) * | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
WO2005086828A2 (en) * | 2004-03-10 | 2005-09-22 | New Jersey Institute Of Technology | Transmit power adaptation for cdma communication systems using successive interference cancellation |
US7205937B2 (en) * | 2004-04-29 | 2007-04-17 | L-3 Integrated Systems Company | Non-multiple delay element values for phase shifting |
KR101023366B1 (ko) * | 2004-10-27 | 2011-03-18 | 삼성전자주식회사 | 빔 포밍 방식을 사용하는 다중 입력 다중 출력 무선 통신시스템에서 신호 송수신 장치 및 방법 |
US7545323B2 (en) * | 2005-10-31 | 2009-06-09 | The Boeing Company | Phased array antenna systems and methods |
KR100842619B1 (ko) * | 2006-11-22 | 2008-06-30 | 삼성전자주식회사 | 분산 무선 통신 시스템에서 심볼 에러율의 기반 직교 공간시간 블록 코드 겸 빔 형성을 위한 적응식 전송 파워 할당방법 |
-
2006
- 2006-11-22 KR KR1020060115851A patent/KR100842619B1/ko active IP Right Grant
-
2007
- 2007-10-12 US US11/974,402 patent/US7904106B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20010038356A1 (en) | 2000-03-10 | 2001-11-08 | Frank Colin D. | Method and apparatus for antenna array beamforming |
KR20040108815A (ko) | 2002-05-13 | 2004-12-24 | 인터디지탈 테크날러지 코포레이션 | 빔을 이용하는 슬롯 코드 분할 다중 접속 시스템에서사용자에게 리소스를 할당하는 방법 |
KR20050027186A (ko) | 2003-09-13 | 2005-03-18 | 리전츠 어브 더 유니버시티 오브 미네소타 | 부분 채널 정보를 이용하는 다중 안테나 전송을 위한적응형 변조 장치 및 방법 |
KR20060049146A (ko) | 2004-10-21 | 2006-05-18 | 삼성전자주식회사 | 다중입출력 통신 시스템의 빔 및 전력 할당 방법 |
Also Published As
Publication number | Publication date |
---|---|
US20080117961A1 (en) | 2008-05-22 |
US7904106B2 (en) | 2011-03-08 |
KR20080046420A (ko) | 2008-05-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100842619B1 (ko) | 분산 무선 통신 시스템에서 심볼 에러율의 기반 직교 공간시간 블록 코드 겸 빔 형성을 위한 적응식 전송 파워 할당방법 | |
KR100866188B1 (ko) | 분산 무선 통신 시스템에서 직교 공간 시간 블록 코드를위한 심볼 에러율 근사화 방법 | |
KR100834631B1 (ko) | 분산 무선 통신 시스템에서의 직교 공간 시간 블록 코드 겸빔 형성을 위한 적응식 전송 파워 할당 방법 | |
KR100842620B1 (ko) | 분산 무선 통신 시스템에서 직교 공간 시간 블록 코드를위한 심볼 에러율 기반 송신 전력 할당 방법 | |
JP4173137B2 (ja) | データ伝送レートのランクアダプティブな適合化を有するmimo信号処理方法 | |
JP4602641B2 (ja) | 信号伝送システム、信号伝送方法及び送信機 | |
KR101507088B1 (ko) | 다중 입출력 무선통신 시스템에서 상향링크 빔 성형 및 공간분할 다중 접속 장치 및 방법 | |
TWI422179B (zh) | 在多天線系統傳送通道狀態資訊的方法 | |
EP1366579B1 (en) | Method for controlling the weighting of a data signal in the at least two antenna elements of a radio connection unit, module and communications system | |
JP5129346B2 (ja) | コラボラティブ多入力多出力通信システムにおけるプリコーディングされた信号を送信する方法 | |
JP4504293B2 (ja) | 複数アンテナを備えた無線通信装置および無線通信システム、無線通信方法 | |
KR100961887B1 (ko) | 무선 통신 시스템에서 단말의 채널 사운딩 장치 및 방법 | |
KR101373808B1 (ko) | 다중안테나 시스템에서 빔포밍을 고려한 채널품질 정보를 결정하기 위한 장치 및 방법 | |
WO2005114874A1 (ja) | 無線通信システム、無線通信方法、基地局装置及び端末装置 | |
KR101399029B1 (ko) | 무선통신시스템에서 파일럿을 전송하기 위한 장치 및 방법 | |
Ravindran et al. | Beamforming with finite rate feedback for LOS MIMO downlink channels | |
KR100809016B1 (ko) | 빔 형성, mimo, 다이버서티 기법이 결합된 다중 안테나전송 기술을 이용하는 송신 방법 및 장치 | |
JP2013509026A (ja) | Mimo−ofdmaシステムのための適応ビーム形成及び空間周波数ブロック符号化送信方式 | |
Schellmann et al. | Rate-maximized switching between spatial transmission modes | |
JP2006054676A (ja) | 無線通信システム | |
KR20070059400A (ko) | 다중 안테나 시스템에 적용되는 신호 전송 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130530 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20140529 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20150528 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20160530 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20170529 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20180530 Year of fee payment: 11 |