DE602004013049D1 - Gleichzeitig mit mehreren mobilstationen durch verwendung von raummultiplex-mehrfachzugriff (sdma) kommunizierender drahtloser zugangspunkt - Google Patents
Gleichzeitig mit mehreren mobilstationen durch verwendung von raummultiplex-mehrfachzugriff (sdma) kommunizierender drahtloser zugangspunktInfo
- Publication number
- DE602004013049D1 DE602004013049D1 DE602004013049T DE602004013049T DE602004013049D1 DE 602004013049 D1 DE602004013049 D1 DE 602004013049D1 DE 602004013049 T DE602004013049 T DE 602004013049T DE 602004013049 T DE602004013049 T DE 602004013049T DE 602004013049 D1 DE602004013049 D1 DE 602004013049D1
- Authority
- DE
- Germany
- Prior art keywords
- mobile stations
- sdma
- same time
- access point
- several mobile
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
- H04W74/0816—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision avoidance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0866—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access
- H04W74/0891—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access for synchronized access
-
- 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
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
-
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US745123 | 2003-12-23 | ||
US10/745,123 US8199723B2 (en) | 2003-12-23 | 2003-12-23 | Parallel wireless communication apparatus, method, and system |
PCT/US2004/041902 WO2005067218A1 (en) | 2003-12-23 | 2004-12-13 | Wireless access point communicating with multiple mobile stations simultaneously using spatial-division multiple access (sdma) |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602004013049D1 true DE602004013049D1 (de) | 2008-05-21 |
DE602004013049T2 DE602004013049T2 (de) | 2009-06-25 |
Family
ID=34679062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004013049T Active DE602004013049T2 (de) | 2003-12-23 | 2004-12-13 | Gleichzeitig mit mehreren mobilstationen durch verwendung von raummultiplex-mehrfachzugriff (sdma) kommunizierender drahtloser zugangspunkt |
Country Status (7)
Country | Link |
---|---|
US (4) | US8199723B2 (de) |
EP (1) | EP1733510B1 (de) |
CN (2) | CN106851851B (de) |
AT (1) | ATE392071T1 (de) |
DE (1) | DE602004013049T2 (de) |
HK (1) | HK1092625A1 (de) |
WO (1) | WO2005067218A1 (de) |
Families Citing this family (49)
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US8199723B2 (en) | 2003-12-23 | 2012-06-12 | Intel Corporation | Parallel wireless communication apparatus, method, and system |
US20050141495A1 (en) * | 2003-12-30 | 2005-06-30 | Lin Xintian E. | Filling the space-time channels in SDMA |
KR100934985B1 (ko) * | 2004-01-19 | 2010-01-06 | 삼성전자주식회사 | Dcf를 따르는 무선통신방법 |
JP4474468B2 (ja) * | 2005-02-25 | 2010-06-02 | 株式会社エヌ・ティ・ティ・ドコモ | 集中化されていない媒体アクセス制御を有するネットワーク用の受信機および送信機 |
US7532675B2 (en) * | 2005-12-23 | 2009-05-12 | Intel Corporation | Techniques to time vary pilot locations in wireless networks |
US20070153760A1 (en) * | 2005-12-29 | 2007-07-05 | Nir Shapira | Method, apparatus and system of spatial division multiple access communication in a wireless local area network |
US20070211748A1 (en) * | 2006-03-13 | 2007-09-13 | Stephens Adrian P | Wireless network channell access techniques |
US8175532B2 (en) * | 2006-06-06 | 2012-05-08 | Qualcomm Incorporated | Apparatus and method for wireless communication via at least one of directional and omni-direction antennas |
US8489702B2 (en) * | 2007-06-22 | 2013-07-16 | Apple Inc. | Determining playability of media files with minimal downloading |
CN101370175B (zh) * | 2007-08-15 | 2011-12-28 | 华为技术有限公司 | 确定数据发送时间的方法、组播分组方法、装置和系统 |
US8837435B2 (en) | 2007-10-31 | 2014-09-16 | Samsung Electronics Co., Ltd. | Method and system for medium access control in communication networks |
US8532038B2 (en) * | 2008-08-19 | 2013-09-10 | Qualcomm Incorporated | Methods and apparatus for frame exchange for SDMA uplink data |
US8654753B2 (en) * | 2008-08-26 | 2014-02-18 | Qualcomm Incorporated | Multichannel TDMA mechanism |
US8811420B2 (en) * | 2009-01-05 | 2014-08-19 | Samsung Electronics Co., Ltd. | System and method for contention-based channel access for peer-to-peer connection in wireless networks |
US8483197B2 (en) * | 2009-03-23 | 2013-07-09 | Qualcomm Incorporated | AP to legacy station SDMA protocol |
CN102369521B (zh) * | 2009-04-01 | 2014-12-17 | 高通股份有限公司 | 管理通过共享通信介质通信的节点间的传输 |
JP5391816B2 (ja) | 2009-05-08 | 2014-01-15 | ソニー株式会社 | 通信装置及び通信方法、コンピューター・プログラム、並びに通信システム |
US9137815B2 (en) | 2009-06-17 | 2015-09-15 | Qualcomm Incorporated | Multi-user multiple input multiple output wireless communications |
EP2465227B1 (de) * | 2009-08-12 | 2017-07-26 | Marvell World Trade Ltd. | Drathlose sdma-mehrgerätekommunikation |
US8660497B1 (en) * | 2009-08-18 | 2014-02-25 | Marvell International Ltd. | Beamsteering in a spatial division multiple access (SDMA) system |
WO2011025145A2 (en) * | 2009-08-26 | 2011-03-03 | Lg Electronics Inc. | Method and apparatus of transmitting a sounding frame and communicating data in a wireless local area network system |
PL2515452T3 (pl) | 2009-12-18 | 2015-09-30 | Electronics & Telecommunications Res Inst | Sposób wysyłania/odbioru danych w systemie bezprzewodowej komunikacji pakietowej, w którym zachodzi jednoczesna komunikacja z pewną liczbą terminali |
US9173191B2 (en) | 2009-12-20 | 2015-10-27 | Intel Corporation | Device, system and method of simultaneously communicating with a group of wireless communication devices |
JP2011188106A (ja) | 2010-03-05 | 2011-09-22 | Sony Corp | 無線通信装置、無線通信システム、無線通信方法およびプログラム |
US20110222458A1 (en) * | 2010-03-15 | 2011-09-15 | Cheng-Hsuan Wu | Multi-user Downlink and Uplink Transmission Method and Communication System Using the Same |
US8259745B2 (en) * | 2010-03-29 | 2012-09-04 | Intel Corporation | Enhanced carrier sensing for multi-channel operation |
US9320048B2 (en) | 2010-08-04 | 2016-04-19 | Marvell World Trade Ltd. | Wireless communications with primary and secondary access categories |
WO2012034521A1 (zh) * | 2010-09-15 | 2012-03-22 | 华为技术有限公司 | 多用户mimo系统发送数据的方法与装置 |
CN102404087B (zh) * | 2010-09-16 | 2015-08-19 | 华为技术有限公司 | 多用户mimo系统发送数据的方法与装置 |
US9806848B2 (en) | 2010-09-29 | 2017-10-31 | Qualcomm Incorporated | Systems, methods and apparatus for determining control field and modulation coding scheme information |
US9831983B2 (en) | 2010-09-29 | 2017-11-28 | Qualcomm Incorporated | Systems, methods and apparatus for determining control field and modulation coding scheme information |
US9813135B2 (en) | 2010-09-29 | 2017-11-07 | Qualcomm, Incorporated | Systems and methods for communication of channel state information |
US9882624B2 (en) | 2010-09-29 | 2018-01-30 | Qualcomm, Incorporated | Systems and methods for communication of channel state information |
US9077498B2 (en) | 2010-09-29 | 2015-07-07 | Qualcomm Incorporated | Systems and methods for communication of channel state information |
US9602298B2 (en) | 2010-09-29 | 2017-03-21 | Qualcomm Incorporated | Methods and apparatuses for determining a type of control field |
US10090982B2 (en) | 2010-09-29 | 2018-10-02 | Qualcomm Incorporated | Systems and methods for communication of channel state information |
US9374193B2 (en) | 2010-09-29 | 2016-06-21 | Qualcomm Incorporated | Systems and methods for communication of channel state information |
EP2666270A1 (de) * | 2011-01-18 | 2013-11-27 | Nokia Solutions and Networks Oy | Verarbeitung von abgestimmten gefilterten datenproben |
EP2820909B1 (de) | 2012-03-01 | 2017-09-06 | Interdigital Patent Holdings, Inc. | Paralleler kanalzugang für mehrere benutzer in wlan-systemen |
US8964561B2 (en) * | 2012-05-04 | 2015-02-24 | Nokia Corporation | Method and apparatus for signaling sequence root |
US10021600B2 (en) * | 2013-01-02 | 2018-07-10 | Qualcomm Incorporated | Backhaul traffic reliability in unlicensed bands using spectrum sensing and channel reservation |
US9577811B2 (en) * | 2013-05-03 | 2017-02-21 | Qualcomm Incorporated | Methods and systems for frequency multiplexed communication in dense wireless environments |
EP4236144A3 (de) | 2013-10-01 | 2023-10-25 | InterDigital Patent Holdings, Inc. | Verbesserungen für koordinierte blockbasierte orthogonale ressourcenzuweisung (cobra) in wlan-systemen |
CN105376032A (zh) * | 2014-08-25 | 2016-03-02 | 华为技术有限公司 | 一种用于无线局域网络中传输数据的方法和装置 |
EP3179816B1 (de) | 2014-08-26 | 2019-01-09 | Huawei Technologies Co., Ltd. | Zugriffsverfahren und -vorrichtung |
WO2019061130A1 (en) | 2017-09-28 | 2019-04-04 | Hewlett Packard Enterprise Development Lp | DIVIDED WIRELESS RADIO CHAINS FOR SERVICE DISTANCE MEASUREMENT |
CN107949066B (zh) * | 2017-11-21 | 2021-06-11 | 西安空间无线电技术研究所 | 一种面向跳波束的波位资源弹性调度系统及调度方法 |
WO2019112593A1 (en) * | 2017-12-07 | 2019-06-13 | Intel Corporation | Methods and apparatus to improve network throughput in a wireless communications network |
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US5515378A (en) | 1991-12-12 | 1996-05-07 | Arraycomm, Inc. | Spatial division multiple access wireless communication systems |
US5586119A (en) * | 1994-08-31 | 1996-12-17 | Motorola, Inc. | Method and apparatus for packet alignment in a communication system |
US5886988A (en) * | 1996-10-23 | 1999-03-23 | Arraycomm, Inc. | Channel assignment and call admission control for spatial division multiple access communication systems |
US6185440B1 (en) * | 1997-12-10 | 2001-02-06 | Arraycomm, Inc. | Method for sequentially transmitting a downlink signal from a communication station that has an antenna array to achieve an omnidirectional radiation |
SG80071A1 (en) * | 1999-09-24 | 2001-04-17 | Univ Singapore | Downlink beamforming method |
US6351499B1 (en) * | 1999-12-15 | 2002-02-26 | Iospan Wireless, Inc. | Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter |
FI20001133A (fi) * | 2000-05-12 | 2001-11-13 | Nokia Corp | Menetelmä päätelaitteiden ja yhteysaseman välisen tiedonsiirron järjestämiseksi tiedonsiirtojärjestelmässä |
US7054329B2 (en) * | 2000-07-07 | 2006-05-30 | Koninklijke Philips Electronics, N.V. | Collision avoidance in IEEE 802.11 contention free period (CFP) with overlapping basic service sets (BSSs) |
US7054292B2 (en) * | 2000-10-27 | 2006-05-30 | L-3 Communications Corporation | Hybrid synchronous space/code multiple access system using an adaptive antenna system |
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US6990116B1 (en) * | 2001-01-12 | 2006-01-24 | 3Com Corporation | Method and system for improving throughput over wireless local area networks with mode switching |
US20020093929A1 (en) * | 2001-01-18 | 2002-07-18 | Koninklijke Philips Electronics N.V. | System and method for sharing bandwidth between co-located 802.11a/e and HIPERLAN/2 systems |
US6967944B2 (en) * | 2001-03-30 | 2005-11-22 | Koninklijke Philips Electronics N.V. | Increasing link capacity via concurrent transmissions in centralized wireless LANs |
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KR100442821B1 (ko) * | 2001-09-20 | 2004-08-02 | 삼성전자주식회사 | 대기수 제어 기반의 데이터 전송방법 |
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US20050144307A1 (en) * | 2003-12-15 | 2005-06-30 | Qinghua Li | Back-end alignment to avoid SDMA ACK time-out |
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US8199723B2 (en) | 2003-12-23 | 2012-06-12 | Intel Corporation | Parallel wireless communication apparatus, method, and system |
-
2003
- 2003-12-23 US US10/745,123 patent/US8199723B2/en active Active
-
2004
- 2004-12-13 CN CN201610862826.8A patent/CN106851851B/zh active Active
- 2004-12-13 DE DE602004013049T patent/DE602004013049T2/de active Active
- 2004-12-13 EP EP04814123A patent/EP1733510B1/de active Active
- 2004-12-13 WO PCT/US2004/041902 patent/WO2005067218A1/en not_active Application Discontinuation
- 2004-12-13 AT AT04814123T patent/ATE392071T1/de not_active IP Right Cessation
- 2004-12-13 CN CN200480038725.4A patent/CN1898910B/zh active Active
-
2006
- 2006-12-21 HK HK06114055A patent/HK1092625A1/xx unknown
-
2011
- 2011-12-29 US US13/339,855 patent/US8948139B2/en not_active Expired - Lifetime
-
2015
- 2015-01-20 US US14/600,154 patent/US9432155B2/en not_active Expired - Lifetime
-
2016
- 2016-06-30 US US15/198,328 patent/US10098152B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1898910A (zh) | 2007-01-17 |
CN106851851B (zh) | 2021-07-06 |
WO2005067218A1 (en) | 2005-07-21 |
US10098152B2 (en) | 2018-10-09 |
CN1898910B (zh) | 2016-10-26 |
EP1733510B1 (de) | 2008-04-09 |
US20050138199A1 (en) | 2005-06-23 |
US8199723B2 (en) | 2012-06-12 |
DE602004013049T2 (de) | 2009-06-25 |
US8948139B2 (en) | 2015-02-03 |
HK1092625A1 (en) | 2007-02-09 |
US9432155B2 (en) | 2016-08-30 |
CN106851851A (zh) | 2017-06-13 |
US20160309515A1 (en) | 2016-10-20 |
US20150139179A1 (en) | 2015-05-21 |
EP1733510A1 (de) | 2006-12-20 |
US20120099576A1 (en) | 2012-04-26 |
ATE392071T1 (de) | 2008-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: HEYER, V., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 806 |