ATE360294T1 - Verfahren und vorrichtung zur ausgewählten nichtbeachtung von gleichkanalübertragungen auf einem medium - Google Patents

Verfahren und vorrichtung zur ausgewählten nichtbeachtung von gleichkanalübertragungen auf einem medium

Info

Publication number
ATE360294T1
ATE360294T1 AT04712916T AT04712916T ATE360294T1 AT E360294 T1 ATE360294 T1 AT E360294T1 AT 04712916 T AT04712916 T AT 04712916T AT 04712916 T AT04712916 T AT 04712916T AT E360294 T1 ATE360294 T1 AT E360294T1
Authority
AT
Austria
Prior art keywords
channel transmissions
medium
agc
infringement
cca
Prior art date
Application number
AT04712916T
Other languages
English (en)
Inventor
Paul J Husted
William J Mcfarland
Original Assignee
Atheros Comm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Atheros Comm Inc filed Critical Atheros Comm Inc
Application granted granted Critical
Publication of ATE360294T1 publication Critical patent/ATE360294T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/02Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06Demodulator circuits; Receiver circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3052Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068Circuits generating control signals for both R.F. and I.F. stages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14Spectrum sharing arrangements between different networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H04W52/0232Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal according to average transmission signal activity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0245Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT04712916T 2003-02-21 2004-02-19 Verfahren und vorrichtung zur ausgewählten nichtbeachtung von gleichkanalübertragungen auf einem medium ATE360294T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44912603P 2003-02-21 2003-02-21
US10/782,394 US7522669B2 (en) 2003-02-21 2004-02-18 Method and apparatus for selective disregard of co-channel transmissions on a medium

Publications (1)

Publication Number Publication Date
ATE360294T1 true ATE360294T1 (de) 2007-05-15

Family

ID=32930503

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04712916T ATE360294T1 (de) 2003-02-21 2004-02-19 Verfahren und vorrichtung zur ausgewählten nichtbeachtung von gleichkanalübertragungen auf einem medium

Country Status (8)

Country Link
US (3) US7522669B2 (de)
EP (1) EP1595344B1 (de)
KR (1) KR101055364B1 (de)
CN (2) CN102983918A (de)
AT (1) ATE360294T1 (de)
DE (2) DE602004005967T2 (de)
TW (1) TWI371171B (de)
WO (1) WO2004077847A2 (de)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104283832B (zh) * 2002-03-08 2018-06-19 英特尔公司 用于高速率正交频分复用通信的系统和方法
US7522669B2 (en) * 2003-02-21 2009-04-21 Atheros Communications, Inc. Method and apparatus for selective disregard of co-channel transmissions on a medium
US7751520B1 (en) * 2003-09-17 2010-07-06 Atheros Communications, Inc. Packet detection, synchronization, and frequency offset estimation
US7200374B1 (en) * 2003-12-16 2007-04-03 Intel Corporation Method and apparatus to improve throughput in a wireless network using a minimum received interference power level
US7248847B2 (en) * 2004-04-22 2007-07-24 Kyocera Wireless Corp. System and method for adaptively controlling receiver gain switch points
US20060046739A1 (en) * 2004-08-25 2006-03-02 Cisco Technology, Inc. Method and apparatus for improving performance in wireless networks by tuning receiver sensitivity thresholds
KR100570825B1 (ko) * 2004-09-30 2006-04-12 삼성전자주식회사 무선 랜 시스템에서 인접 bss간의 간섭 감지 장치 및방법
DE112005002494B4 (de) * 2004-10-15 2013-02-14 Meshnetworks, Inc. System und Verfahren zum Ermöglichen eines Inter-Frequenz-Handovers von mobilen Endgeräten in einem drahtlosen Kommunkikationsnetzwerk
US7945210B2 (en) * 2004-12-20 2011-05-17 Nxp B.V. Method and arrangement for reducing the mutual interference of network subscribers in radio networks
US8441971B2 (en) * 2004-12-21 2013-05-14 Intel Corporation Idle state management
US7885287B2 (en) * 2005-03-29 2011-02-08 Intel Corporation Method and apparatus for adaptive network allocation
WO2007022417A2 (en) * 2005-08-18 2007-02-22 Wionics Research Automatic gain control for frequency-hopped ofdm
US7656892B2 (en) * 2005-09-30 2010-02-02 Intel Corporation Method and apparatus of multi-entity wireless communication adapter
US8306003B2 (en) * 2005-11-09 2012-11-06 Texas Instruments Incorporated Throughput performance in the presence of in-band interference in a CSMA based network
US7702044B2 (en) * 2005-12-05 2010-04-20 Marvell World Trade, Ltd. Radar detection and dynamic frequency selection
DE102006005284B4 (de) * 2006-02-06 2009-05-20 Continental Automotive Gmbh Verfahren zur Signalsuche bei einem Mehrkanalfunkempfänger in einer Umgebung mit Störsignalen
WO2007100725A2 (en) * 2006-02-24 2007-09-07 Wms Gaming Inc. Suspending wagering game play on wagering game machines
US8089881B2 (en) 2006-03-03 2012-01-03 Qualcomm Incorporated Method and apparatus for increasing spectrum use efficiency in a mesh network
CN101102278B (zh) * 2006-07-04 2011-04-13 株式会社日立制作所 自组织网络构筑方法以及无线终端
US8275323B1 (en) * 2006-07-14 2012-09-25 Marvell International Ltd. Clear-channel assessment in 40 MHz wireless receivers
DE602006015328D1 (de) * 2006-11-03 2010-08-19 Psytechnics Ltd Abtastfehlerkompensation
US8363578B1 (en) * 2007-04-23 2013-01-29 Marvell International Ltd. Bandwidth selection method and apparatus
WO2008139672A1 (ja) * 2007-04-27 2008-11-20 Panasonic Corporation 受信装置及び受信方法
BRPI0721941A2 (pt) * 2007-07-13 2014-03-18 Thomson Licensing Sensoriamento de espectro para sinais de ofdm utilizando tons pilotos
JP5278642B2 (ja) * 2007-10-02 2013-09-04 日本電気株式会社 共通チャネルのリソース割当方法および装置
BRPI0821882B1 (pt) * 2008-01-16 2020-04-22 Interdigital Madison Patent Holdings circuito de controle de ganho automático e método de controle de ganho automático com feedback de controlador de estado de máquina
EP2991427B1 (de) 2008-03-19 2018-05-16 Huawei Technologies Co., Ltd. Mobilstationsvorrichtung, basisstationsvorrichtung, kommunikationsverfahren und kommunikationssystem
US8582704B2 (en) * 2008-04-08 2013-11-12 Telefonaktiebolaget L M Ericsson (Publ) Communications unit and method for detecting pulse interference
CA2665672A1 (en) * 2008-05-10 2009-11-10 Research In Motion Limited Method and apparatus for signal strength indication
US8180308B1 (en) * 2008-06-10 2012-05-15 Marvell International Ltd. Apparatus and methods for detection of interface in radio-frequency devices
US8335283B1 (en) * 2008-11-11 2012-12-18 Qualcomm Atheros, Inc. Weak signal detection in wireless communication systems
GB2470758B (en) * 2009-06-03 2014-08-20 Sony Corp Data processing apparatus and method
US8811241B2 (en) * 2009-11-17 2014-08-19 Telefonaktiebolaget L M Ericsson (Publ) Coexistence of plural wireless communication transceivers in close proximity
US20130044842A1 (en) * 2011-08-19 2013-02-21 Hong Kong Applied Science and Technology Research Institute Company Limited Radio-frequency front ends with automatic gain control
US8982849B1 (en) 2011-12-15 2015-03-17 Marvell International Ltd. Coexistence mechanism for 802.11AC compliant 80 MHz WLAN receivers
GB2498568B (en) * 2012-01-20 2014-09-24 Cp Electronics Ltd Sensing device and method of calibration
US8977314B2 (en) * 2012-09-14 2015-03-10 Aviacomm Inc. Smart AGC for wideband multi-standard RFIC
CN104184702B (zh) * 2013-05-22 2017-11-24 华为终端有限公司 一种数据传输方法和设备
US9439091B2 (en) * 2013-09-06 2016-09-06 Qualcomm Incorporated Midpacket detection schemes for clear channel assessment (CCA)
CN103731169A (zh) * 2013-12-06 2014-04-16 南京智达康无线通信科技股份有限公司 一种接收灵敏度改善方法
CN104202755B (zh) 2014-03-03 2019-08-30 中兴通讯股份有限公司 一种信道检测方法、终端及系统
EP3780874A1 (de) * 2014-03-24 2021-02-17 Huawei Technologies Co., Ltd. Station und verfahren zum betrieb der station
US20150319787A1 (en) * 2014-04-30 2015-11-05 Alcatel-Lucent Usa Inc. Selectively decoding packet payloads based on decoded packet headers
WO2015174725A1 (ko) * 2014-05-13 2015-11-19 주식회사 윌러스표준기술연구소 클리어 채널 할당을 위한 무선 통신 방법 및 이를 이용한 무선 통신 단말
JP6398728B2 (ja) * 2014-07-11 2018-10-03 ソニー株式会社 情報処理装置および情報処理方法
KR102054117B1 (ko) 2014-08-18 2019-12-09 주식회사 윌러스표준기술연구소 데이터 동시 통신을 위한 무선 통신 방법 및 이를 이용한 무선 통신 단말
US20160077134A1 (en) * 2014-09-12 2016-03-17 Qualcomm Incorporated Enhanced radar detection for communication networks
CN112637967B (zh) 2014-12-02 2024-03-22 韦勒斯标准与技术协会公司 用于空闲信道分配的无线通信终端和无线通信方法
US10462799B2 (en) 2015-01-30 2019-10-29 Telefonaktiebolaget Lm Ericsson (Publ) First node and a method therein
WO2016190901A1 (en) 2015-05-22 2016-12-01 Commscope Technologies Llc Validation sub-system for telecommunication system
KR102494784B1 (ko) * 2015-07-28 2023-02-01 삼성전자주식회사 수신기 및 그 동작 방법
KR102347428B1 (ko) 2015-08-21 2022-01-05 삼성전자주식회사 무선 통신 시스템에서 캐리어 감지 임계값 결정 방법 및 장치
EP4236608A3 (de) 2015-10-05 2023-09-13 Nippon Telegraph And Telephone Corporation Drahtlose kommunikationsstation
US9673921B1 (en) * 2015-12-26 2017-06-06 Intel IP Corporation Wireless fidelity (Wi-Fi) clear channel assesment (CCA) detection and transmission decision making in a portable device
US9668149B1 (en) 2016-05-25 2017-05-30 Cisco Technology, Inc. Receiver stomp-and-restart in a distributed MU-MIMO system using RSSI separation
US10312979B2 (en) 2016-07-27 2019-06-04 Cisco Technology, Inc. Enabling distributed access points on high bandwidth cables for band and antenna splitting
US10306675B2 (en) 2017-05-03 2019-05-28 Cisco Technology, Inc. Collision detection and avoidance mechanism using distributed radio heads in a wireless network
US20200021320A1 (en) * 2019-09-26 2020-01-16 Intel Corporation Systems And Methods For Electronically Scanned Array Antennas
US11671924B2 (en) * 2020-06-23 2023-06-06 Nxp B.V. Receiving strongest signal in an RF receiver
CN113517873A (zh) * 2021-07-06 2021-10-19 北京奕斯伟计算技术有限公司 信号增益的控制电路、控制方法及存储介质
US11777704B1 (en) * 2022-03-11 2023-10-03 Qorvo Us, Inc. Concurrent multistandard detection receiver with prepacket transmission detection
US20230328577A1 (en) * 2022-04-08 2023-10-12 Meta Platforms, Inc. Adaptive wireless packet filtering control

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795800A (en) * 1972-09-13 1974-03-05 Honeywell Inf Systems Watchdog reload initializer
JPS6486724A (en) * 1987-09-29 1989-03-31 Toshiba Corp Radio telephone system
US5260974A (en) * 1991-05-10 1993-11-09 Echelon Corporation Adaptive carrier detection
US5499386A (en) * 1993-07-09 1996-03-12 Telefonaktiebolaget L M Ericsson Best server selection in layered cellular radio system
US5491721A (en) * 1994-02-23 1996-02-13 Motorola, Inc. Modem powering method and apparatus
US5894473A (en) * 1996-02-29 1999-04-13 Ericsson Inc. Multiple access communications system and method using code and time division
US5933420A (en) * 1996-04-30 1999-08-03 3Com Corporation Method and apparatus for assigning spectrum of a wireless local area network
US6226271B1 (en) * 1997-09-26 2001-05-01 Ericsson Inc. Received signal strength determination method, apparatus and computer program products
US6285883B1 (en) * 1997-12-24 2001-09-04 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive handoff hysteresis in wireless telecommunication networks
US6047171A (en) * 1998-01-08 2000-04-04 Ericsson Inc. Method and apparatus for combating adjacent channel interference using multiple IF filters
US6804250B2 (en) * 1998-02-24 2004-10-12 Canon Kabushiki Kaisha Data communication system and node, and method of using the system and the node
US6359939B1 (en) * 1998-05-20 2002-03-19 Diva Systems Corporation Noise-adaptive packet envelope detection
US6229998B1 (en) * 1999-04-12 2001-05-08 Qualcomm Inc. Method and system for detecting in-band jammers in a spread spectrum wireless base station
US6771701B1 (en) * 1999-05-12 2004-08-03 Infineon Technologies North America Corporation Adaptive filter divergence control in echo cancelers by means of amplitude distribution evaluation with configurable hysteresis
WO2001078249A1 (en) * 2000-04-11 2001-10-18 Airnet Communications Corporation Method and apparatus employing wireless in-band signaling for downlink transmission of commands
KR100369796B1 (ko) * 2000-05-24 2003-01-30 삼성전자 주식회사 무선이동통신시스템의 이동국 셀 이탈 알림 방법
US6763244B2 (en) * 2001-03-15 2004-07-13 Qualcomm Incorporated Method and apparatus for adjusting power control setpoint in a wireless communication system
US7151759B1 (en) * 2001-03-19 2006-12-19 Cisco Systems Wireless Networking (Australia) Pty Limited Automatic gain control and low power start-of-packet detection for a wireless LAN receiver
AU2002340525A1 (en) * 2001-05-04 2002-11-18 Atheros Communications, Inc. Self-correlation detection and in-band and out-of-band signal detection for automatic gain calibration systems
US6785523B2 (en) * 2001-05-04 2004-08-31 Atheros Communications, Inc. Self-correlation detection in automatic gain calibration
US6947768B2 (en) * 2001-09-28 2005-09-20 Kabushiki Kaisha Toshiba Base station apparatus and terminal apparatus
ATE320684T1 (de) * 2002-01-18 2006-04-15 Nokia Corp Verfahren und einrichtung zur zugriffskontrolle eines mobilen endgerätes in einem kommunikationsnetzwerk
US7965842B2 (en) * 2002-06-28 2011-06-21 Wavelink Corporation System and method for detecting unauthorized wireless access points
EP1780915B1 (de) 2003-02-21 2009-04-15 Atheros Comunications Inc. Verfahren und Vorrichtung zur ausgewählten Nichtbeachtung von Gleichkanalübertragungen auf einem Medium
US7522669B2 (en) * 2003-02-21 2009-04-21 Atheros Communications, Inc. Method and apparatus for selective disregard of co-channel transmissions on a medium

Also Published As

Publication number Publication date
US8331462B2 (en) 2012-12-11
EP1595344B1 (de) 2007-04-18
US20040235439A1 (en) 2004-11-25
CN1762115B (zh) 2012-11-28
KR101055364B1 (ko) 2011-08-08
DE602004005967T2 (de) 2008-01-17
US20090175237A1 (en) 2009-07-09
US8391374B2 (en) 2013-03-05
TW200421732A (en) 2004-10-16
KR20050119107A (ko) 2005-12-20
TWI371171B (en) 2012-08-21
DE602004020688D1 (de) 2009-05-28
DE602004005967D1 (de) 2007-05-31
US7522669B2 (en) 2009-04-21
CN102983918A (zh) 2013-03-20
CN1762115A (zh) 2006-04-19
WO2004077847A3 (en) 2005-04-14
EP1595344A2 (de) 2005-11-16
WO2004077847A2 (en) 2004-09-10
US20070264950A1 (en) 2007-11-15

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