WO2016082647A1 - 一种发射功率的确定方法及装置 - Google Patents
一种发射功率的确定方法及装置 Download PDFInfo
- Publication number
- WO2016082647A1 WO2016082647A1 PCT/CN2015/093092 CN2015093092W WO2016082647A1 WO 2016082647 A1 WO2016082647 A1 WO 2016082647A1 CN 2015093092 W CN2015093092 W CN 2015093092W WO 2016082647 A1 WO2016082647 A1 WO 2016082647A1
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- WIPO (PCT)
- Prior art keywords
- access point
- wireless access
- transmit power
- point device
- channel state
- Prior art date
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- 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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/20—TPC being performed according to specific parameters using error rate
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- 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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/225—Calculation of statistics, e.g. average, variance
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- 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
- H04W52/18—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]
- H04W52/265—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the quality of service QoS
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- 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
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
-
- 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
Definitions
- Wi-Fi Wireless Fidelity
- SoftAP hotspots
- the pre-acquired reference channel state information includes a frame error rate threshold; the adjusting unit is specifically configured to:
- a maximum transmission can also be set for the wireless access point device.
- Power and minimum transmit power When the transmit power currently used by the wireless access point device is adjusted, if the adjusted transmit power is greater than the maximum transmit power, the maximum transmit power is determined as the transmit power of the data sent to the site device; The transmit power is less than the minimum transmit power, and the minimum transmit power is determined as the transmit power of the data sent to the site device, such that the transmit power of the wireless access point device is always between the maximum transmit power and the minimum transmit power.
- the fixed transmit power value may take an intermediate value between the maximum transmit power and the minimum transmit power, or an arbitrary value between the maximum transmit power and the minimum transmit power, which is not limited in the embodiment of the present invention.
- the embodiment of the present invention can obtain the frame error rate corresponding to the downlink state between the wireless access point device and the site device, and improve the transmission power of sending the message to the site device when the frame error rate is high, in the error frame.
- the rate is low, the sending power of sending the message to the site device is reduced, so that the currently used transmit power of the wireless access point device is adjusted, and a message is sent to the site device based on the adjusted transmit power, so that the wireless access point device
- the transmit power of the message can be adjusted in real time according to the channel state between the wireless access point device and the site device, thereby avoiding unnecessary power overhead and energy waste.
- the adjustment mapping relationship is a mapping relationship between the comparison result obtained in advance and the adjustment operation.
- a maximum transmit power and a minimum transmit power can also be set for the wireless access point device.
- the power determining module 12 may determine the maximum transmit power as the site device. Transmit power of the transmitted data; if the adjusted transmit power is less than the minimum transmit power, the power determining module 12 may determine the minimum transmit power as the transmit power of the data sent to the site device, such that the power determining module 12 determines
- the outgoing transmit power is always between the maximum transmit power and the minimum transmit power.
- the fixed transmit power value may take an intermediate value between the maximum transmit power and the minimum transmit power, or an arbitrary value between the maximum transmit power and the minimum transmit power, which is not limited in the embodiment of the present invention.
- the processor 100 performs the step of calculating channel state information of a channel between the site device and the site device in a specific time range, and specifically performs the following steps:
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (10)
- 一种发射功率的调整方法,其特征在于,包括:无线接入点设备计算在特定时间范围内所述无线接入点设备与站点设备之间的信道的信道状态信息,所述信道状态信息用于表示所述信道在所述特定时间范围内传输数据的误帧率;所述无线接入点设备将所述信道状态信息与预先获取的参考信道状态信息进行比较,根据所述比较的结果对所述无线接入点设备当前使用的发射功率进行调整;所述无线接入点设备使用所述调整后的发射功率向所述站点设备发送携带有数据的消息。
- 根据权利要求1所述的方法,其特征在于,所述无线接入点设备计算在特定时间范围内所述无线接入点设备与站点设备之间的信道的信道状态信息,包括:所述无线接入点设备接收所述站点设备针对所述无线接入点设备在所述信道发送的消息帧返回的确认ACK帧;所述无线接入点设备根据特定时间范围内所述无线接入点设备在所述信道向所述站点设备发送的消息帧的数量以及接收到的所述确认ACK帧的数量,计算所述信道在所述特定时间范围内的误帧率;所述无线接入点设备将所述误帧率作为所述信道的信道状态信息。
- 根据权利要求1或2所述的方法,其特征在于,所述无线接入点设备根据所述比较结果对所述无线接入点设备当前使用的发射功率进行调整,包括:所述无线接入点设备根据预先获取的调整映射关系对所述无线接入点设备当前使用的发射功率进行与所述比较的结果对应的调整操作,其中,所述调整映射关系为预先获取的比较结果与调整操作的映射关系。
- 根据权利要求3所述的方法,其特征在于,所述预先获取的参考信道状态信息包括误帧率阈值;所述无线接入点设备根据预先获取的调整映射关系对所述无线接入点设备当前使用的发射功率进行与所述比较的结果对应的调整操作,包括:当所述比较的结果为所述误帧率低于所述误帧率阈值时,所述无线接入点设备将向所述站点设备发送携带有数据的消息的发射功率调整为比当前使用的发射功率小预设功率值的发射功率。
- 根据权利要求3所述的方法,其特征在于,所述预先获取的参考信道状态信息包括误帧率阈值;所述无线接入点设备根据预先获取的调整映射关系对所述无线接入点设备当前使用的发射功率进行与所述比较的结果对应的调整操作,包括:当所述比较的结果为所述误帧率高于所述误帧率阈值时,所述无线接入点设备将向所述站点设备发送携带有数据的消息的发射功率调整为比当前使用的发射功率大预设功率值的发射功率。
- 一种发射功率的确定装置,其特征在于,所述装置设置于无线接入点设备中,包括:信息获取模块,用于计算在特定时间范围内所述无线接入点设备与站点设备之间的信道的信道状态信息,所述信道状态信息用于表示所述信道在所述特定时间范围内传输数据的误帧率;功率调整模块,用于将所述信息获取模块获取的信道状态信息与预先获取的参考信道状态信息进行比较,根据所述比较的结果对所述无线接入点设备当前使用的发射功率进行调整;消息发送模块,用于使用所述功率调整模块调整后的发射功率向所述站点设备发送携带有数据的消息。
- 根据权利要求6所述的装置,其特征在于,所述信息获取模块包括:接收单元,用于接收所述站点设备针对所述无线接入点设备在所述信道发送的消息帧返回的确认ACK帧;计算单元,用于根据特定时间范围内所述无线接入点设备在所述信道向所述站点设备发送的消息帧的数量以及所述接收单元接收到的所述确认ACK帧的数量,计算所述信道在所述特定时间范围内的误帧率;信息确定单元,用于将所述误帧率作为所述信道的信道状态信息。
- 根据权利要求6或7所述的装置,其特征在于,所述功率调整模块包括:比较单元,用于将所述信息获取模块获取的信道状态信息与预先获取的参考信道状态信息进行比较;调整单元,用于根据预先获取的调整映射关系对所述无线接入点设备当前使用的发 射功率进行与所述比较的结果对应的调整操作,其中,所述调整映射关系为预先获取的比较结果与调整操作的映射关系。
- 根据权利要求8所述的装置,其特征在于,所述预先获取的参考信道状态信息包括误帧率阈值;所述调整单元具体用于:当所述比较的结果为所述误帧率低于所述误帧率阈值时,将向所述站点设备发送携带有数据的消息的发射功率调整为比当前使用的发射功率小预设功率值的发射功率。
- 根据权利要求8所述的装置,其特征在于,所述预先获取的参考信道状态信息包括误帧率阈值;所述调整单元具体用于:当所述比较的结果为所述误帧率高于所述误帧率阈值时,将向所述站点设备发送携带有数据的消息的发射功率调整为比当前使用的发射功率大预设功率值的发射功率。
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EP15863463.4A EP3217728B1 (en) | 2014-11-27 | 2015-10-28 | Method and apparatus for determining transmission power |
JP2017528461A JP6510049B2 (ja) | 2014-11-27 | 2015-10-28 | 送信電力決定方法および装置 |
US15/531,370 US10021653B2 (en) | 2014-11-27 | 2015-10-28 | Transmit power determining method and apparatus |
KR1020177017383A KR101983210B1 (ko) | 2014-11-27 | 2015-10-28 | 송신 전력 결정 방법 및 장치 |
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CN201410714139.2A CN105636179A (zh) | 2014-11-27 | 2014-11-27 | 一种发射功率的确定方法及装置 |
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CN106658573B (zh) * | 2017-01-10 | 2019-09-24 | Oppo广东移动通信有限公司 | 一种无线局域网的发射功率控制方法及移动终端 |
US10237835B1 (en) * | 2017-11-06 | 2019-03-19 | T-Mobile Usa, Inc. | Temporal power control system and method |
CN110784906B (zh) * | 2019-10-30 | 2020-12-22 | 珠海格力电器股份有限公司 | 无线配网方法和装置、存储介质及处理器 |
CN112468264B (zh) * | 2020-11-06 | 2023-03-24 | 深圳市科思科技股份有限公司 | 高速网络中吞吐量和发射功率优化方法、系统及存储介质 |
CN113194527B (zh) * | 2021-04-28 | 2023-01-20 | 潍坊歌尔电子有限公司 | Wifi设备及其发射功率调节方法、计算机可读存储介质 |
CN113825221B (zh) * | 2021-08-19 | 2023-11-17 | 昆明闻讯实业有限公司 | 功率控制方法及装置 |
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- 2015-10-28 US US15/531,370 patent/US10021653B2/en active Active
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US10021653B2 (en) | 2018-07-10 |
US20170332334A1 (en) | 2017-11-16 |
JP6510049B2 (ja) | 2019-05-08 |
EP3217728B1 (en) | 2020-01-08 |
JP2017536771A (ja) | 2017-12-07 |
KR20170088945A (ko) | 2017-08-02 |
KR101983210B1 (ko) | 2019-05-28 |
EP3217728A4 (en) | 2017-10-25 |
CN105636179A (zh) | 2016-06-01 |
EP3217728A1 (en) | 2017-09-13 |
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