JP6411440B2 - 無線通信システムにおけるパワーセービング方法 - Google Patents
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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- H—ELECTRICITY
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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- 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
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower using a pre-established activity schedule, e.g. traffic indication frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
- H04W52/0219—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower where the power saving management affects multiple terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0287—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0457—Variable allocation of band or rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
- H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Description
また、デジタルフィルタの帯域制限フィルタが再構成されることができる。また、同時に受信部のデシメータの動作周波数が再構成される。
また、キャリアセンシングを検出するためにMACキャリアセンシング有効(MAC CS valid)情報から確認することができる。このような区間は、ドーズモードが開始される時点までである。
また、データフレーム713の受信に適するように再構成されたノード2は、データフレーム713を受信した後、正しく復元された場合、ACKフレーム714を送信する。
Claims (12)
- 無線ローカルエリアネットワークにおけるチャネルをアクセスする方法であって、前記方法は、
送信先ステーションにより、送信元ステーションから第1の帯域にわたる複数の送信要求(RTS)を含む第1のフレームを受信するステップと、
前記第1のフレームに応答して、前記送信先ステーションにより、第2の帯域にわたる送信クリア(CTS)を含む第2のフレームを前記送信元ステーションに送信するステップと、
前記第1の帯域は、複数の第1の20MHz帯域を含み、前記複数のRTSのそれぞれは、前記複数の第1の20MHz帯域のそれぞれに対応し、
前記第2の帯域は、少なくとも一つの第2の20MHz帯域を含み、
前記少なくとも一つの第2の20MHz帯域の数は、前記複数の第1の20MHz帯域の数以下であり、
前記第1のフレームは、前記複数の第1の20MHz帯域の全体の帯域幅を示す送信モード情報を含むことを特徴とする方法。 - 前記CTSフレームは、前記少なくとも一つの第2の20MHz帯域の全体の帯域幅を示す送信モード情報を含むことを特徴とする請求項1に記載の方法。
- 前記第1のフレームにおける前記送信モード情報は、40MHz、80MHz及び160MHzの一つの示すことを特徴とする請求項1に記載の方法。
- 無線ローカルエリアネットワークにおけるチャネルをアクセスする装置であって、前記装置は、
送受信器回路と、
前記送受信器回路に結合され、前記送受信器回路を制御するように構成されている制御器と、
を備え、
前記制御器は、前記送受信器回路に対して、
送信元ステーションから第1の帯域にわたる複数の送信要求(RTS)を含む第1のフレームを受信し、
前記第1のフレームに応答して、第2の帯域にわたる送信クリア(CTS)を含む第2のフレームを前記送信元ステーションに送信するように制御し、
前記第1の帯域は、複数の第1の20MHz帯域を含み、前記複数のRTSのそれぞれは、前記複数の第1の20MHz帯域のそれぞれに対応し、
前記第2の帯域は、少なくとも一つの第2の20MHz帯域を含み、
前記少なくとも一つの第2の20MHz帯域の数は、前記複数の第1の20MHz帯域の数以下であり、
前記第1のフレームは、前記複数の第1の20MHz帯域の全体の帯域幅を示す送信モード情報を含むことを特徴とする装置。 - 前記CTSフレームは、前記少なくとも一つの第2の20MHz帯域の全体の帯域幅を示す送信モード情報を含むことを特徴とする請求項4に記載の装置。
- 前記第1のフレームにおける前記送信モード情報は、40MHz、80MHz及び160MHzの一つの示すことを特徴とする請求項4に記載の装置。
- 無線ローカルエリアネットワークにおけるチャネルをアクセスする方法であって、前記方法は、
送信元ステーションにより、送信先ステーションに第1の帯域にわたる複数の送信要求(RTS)を含む第1のフレームを送信するステップと、
前記第1のフレームに応答して、前記送信先ステーションからの第2の帯域にわたる送信クリア(CTS)を含む第2のフレームを送信するステップと、
前記第1の帯域は、複数の第1の20MHz帯域を含み、前記複数のRTSのそれぞれは、前記複数の第1の20MHz帯域のそれぞれに対応し、
前記第2の帯域は、少なくとも一つの第2の20MHz帯域を含み、
前記少なくとも一つの第2の20MHz帯域の数は、前記複数の第1の20MHz帯域の数以下であり、
前記第1のフレームは、前記複数の第1の20MHz帯域の全体の帯域幅を示す送信モード情報を含むことを特徴とする方法。 - 前記CTSフレームは、前記少なくとも一つの第2の20MHz帯域の全体の帯域幅を示す送信モード情報を含むことを特徴とする請求項7に記載の方法。
- 前記第1のフレームにおける前記送信モード情報は、40MHz、80MHz及び160MHzの一つの示すことを特徴とする請求項7に記載の方法。
- 無線ローカルエリアネットワークにおけるチャネルをアクセスする装置であって、前記装置は、
送受信器回路と、
前記送受信器回路に結合され、前記送受信器回路を制御するように構成されている制御器と、
を備え、
前記制御器は、前記送受信器回路に対して、
第1の帯域にわたる複数の送信要求(RTS)を含む第1のフレームを送信先ステーションに送信し、
前記第1のフレームに応答して、第2の帯域にわたる送信クリア(CTS)を含む第2のフレームを前記送信元ステーションから受信するように制御し、
前記第1の帯域は、複数の第1の20MHz帯域を含み、前記複数のRTSのそれぞれは、前記複数の第1の20MHz帯域のそれぞれに対応し、
前記第2の帯域は、少なくとも一つの第2の20MHz帯域を含み、
前記少なくとも一つの第2の20MHz帯域の数は、前記複数の第1の20MHz帯域の数以下であり、
前記第1のフレームは、前記複数の第1の20MHz帯域の全体の帯域幅を示す送信モード情報を含むことを特徴とする装置。 - 前記CTSフレームは、前記少なくとも一つの第2の20MHz帯域の全体の帯域幅を示す送信モード情報を含むことを特徴とする請求項10に記載の装置。
- 前記第1のフレームにおける前記送信モード情報は、40MHz、80MHz及び160MHzの一つの示すことを特徴とする請求項10に記載の装置。
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| EP3512266A1 (en) | 2009-10-28 | 2019-07-17 | Electronics and Telecommunications Research Institute | Power saving method in wireless communication system |
| US8548034B2 (en) * | 2010-02-08 | 2013-10-01 | Maxlinear, Inc. | Methods and apparatus for intelligent power reduction in communications systems |
| US9137826B2 (en) * | 2011-09-16 | 2015-09-15 | Qualcomm Incorporated | Apparatus and method for transmission and recovery modes for an RTS/CTS system that utilizes multichannels |
| CN103379657B (zh) * | 2012-04-16 | 2016-08-17 | 华为技术有限公司 | 站点接入方法和站点 |
| WO2014089794A1 (zh) | 2012-12-13 | 2014-06-19 | 华为技术有限公司 | 用户设备节电方法、装置和用户设备 |
| CN103017940B (zh) * | 2012-12-21 | 2014-11-12 | 武汉烽火富华电气有限责任公司 | 无源无线声表面波温度传感器饱和程度检测调节方法 |
| CN105594288B (zh) * | 2013-10-05 | 2019-02-19 | Lg 电子株式会社 | 在无线lan系统中使用扇区传输机会的操作方法和装置 |
| KR101727781B1 (ko) * | 2013-10-14 | 2017-05-02 | 한국전자통신연구원 | 물리 계층 저전력 통신 방법 및 장치 |
| KR101701556B1 (ko) | 2013-10-14 | 2017-02-01 | 한국전자통신연구원 | 다중 채널 저전력 통신 방법 및 장치 |
| CN106465424B (zh) | 2014-05-13 | 2020-01-03 | 韦勒斯标准与技术协会公司 | 用于空闲信道评估的无线通信方法及使用该方法的无线通信终端 |
| US9681335B2 (en) * | 2014-06-19 | 2017-06-13 | Samsung Electronics Co., Ltd. | Methods for bandwidth efficient operations in wireless local area networks |
| KR102444038B1 (ko) * | 2014-08-07 | 2022-09-19 | 원 미디어, 엘엘씨 | 유연한 직교 주파수 분할 멀티플렉싱 물리 전송 데이터 프레임의 동적 구성 방법 |
| MX2017001613A (es) | 2014-08-07 | 2018-01-24 | Coherent Logix Inc | Tamas de radio de multipartición. |
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