WO2017201688A1 - 射频拉远单元通道发射功率设置的方法和基站 - Google Patents
射频拉远单元通道发射功率设置的方法和基站 Download PDFInfo
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- WO2017201688A1 WO2017201688A1 PCT/CN2016/083306 CN2016083306W WO2017201688A1 WO 2017201688 A1 WO2017201688 A1 WO 2017201688A1 CN 2016083306 W CN2016083306 W CN 2016083306W WO 2017201688 A1 WO2017201688 A1 WO 2017201688A1
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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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
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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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
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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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/143—Downlink power control
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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
- H04W52/06—TPC algorithms
- H04W52/16—Deriving transmission power values from another channel
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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
- H04W52/38—TPC being performed in particular situations
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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
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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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
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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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
- H04W88/08—Access point devices
- H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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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
Definitions
- the present invention relates to the field of wireless technologies, and in particular, to a radio frequency remote unit channel transmission power setting.
- MIMO Multiple-Input Multiple-Output
- LTE Long Term Evolution
- 4T4R 4 transmit/receive (4T4R) cell has more capacity gain than a 2 transmit 2 receive (2T2R) cell.
- 2T2R 2 transmit 2 receive
- a distributed base station architecture that is, a baseband unit (BBU) and a remote radio unit (RRU) architecture may be used.
- BBU baseband unit
- RRU remote radio unit
- the BBU and the RRU are connected by optical fibers, and one BBU can support one or more RRUs.
- the RRU supporting multi-band and multi-standard features can meet the deployment requirements of multi-band and multi-standard networks.
- the RRU can also be called multi-mode RRU.
- GSM Global System for Mobile Communications
- UMTS Universal Mobile Telecommunications System
- the RRU of the 4T4R has 4 transmit and receive channels.
- 2T2R mode LTE cell 2 of the RRUs are used for the LTE cell, and the remaining channels can be used for the GSM cell or the UMTS cell.
- the LTE cell evolves to the 4T4R mode, the four channels of the RRU are used for the LTE cell.
- the GSM cell or the UMTS cell will share part of the RRU with the LTE cell.
- the RRU When the cell of LTE shares part of the channel of the RRU with the cell of other standards, the RRU is not The shared channel has a problem that the RRU channel transmit power is wasted for the LTE cell.
- the embodiment of the present invention provides a method and a base station for setting a RRU channel transmit power, which can solve the problem that the RRU channel transmit power is wasted when the LTE cell shares the RRU part of the channel with other cell types.
- an embodiment of the present invention provides a radio frequency remote unit channel transmit power setting method, including: an evolved base station (eNB) uses a first power to respectively pass a first channel and a second of a radio remote unit (RRU) The channel transmits a signal to a Long Term Evolution (LTE) User Equipment (UE);
- eNB evolved base station
- RRU radio remote unit
- LTE Long Term Evolution
- UE User Equipment
- the eNB transmits a signal to the LTE UE through the third channel and the fourth channel of the RRU by using the second power;
- the sum of the second power and the third power is less than or equal to the first power, and the third power is used by a non-LTE base station to pass the third channel and the fourth channel of the RRU.
- the non-LTE UE transmits a signal.
- an embodiment of the present invention provides a base station.
- the base station includes a processing unit and a transceiver unit.
- the processing unit is configured to send, by using the first power, the first power and the second channel of the RRU to the user equipment UE of the long-term evolution LTE by using the transceiver unit;
- the processing unit is further configured to transmit, by using the second power, the third channel and the fourth channel of the RRU to the UE of the LTE, respectively;
- the sum of the second power and the third power is less than or equal to the first power, and the third power is used by a non-LTE base station to pass the third channel and the fourth channel of the RRU.
- the non-LTE UE transmits a signal.
- an embodiment of the present invention provides another base station.
- the base station processor and the transceiver are configured to transmit, by using the first power, the first power and the second channel of the RRU to the user equipment UE of the long-term evolution LTE by using the transceiver;
- the processor is further configured to pass the third channel and the first of the RRU by using the second power Four channels transmit signals to the UE of the LTE;
- the sum of the second power and the third power is less than or equal to the first power, and the third power is used by a non-LTE base station to pass the third channel and the fourth channel of the RRU.
- the non-LTE UE transmits a signal.
- FIG. 1 is a schematic diagram of a possible application scenario according to an embodiment of the present invention
- FIG. 2 is a schematic flowchart of a possible RRU channel transmit power setting process according to an embodiment of the present invention
- FIG. 3 is a schematic structural diagram of a possible first base station according to an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of another possible first base station according to an embodiment of the present invention.
- the embodiment of the invention describes a method and a device for setting the RRU channel transmit power, which can solve the problem that the RRU channel transmit power is wasted when the LTE cell shares the partial channel of the RRU with the cell of other standards.
- the LTE evolved NodeB eNB
- the base station 20 is a UMTS or GSM base station
- the base station 10 includes a BBU 101, an RRU 102, and an antenna 103.
- the base station 20 includes a BBU 201, an RRU 102, and an antenna 203.
- the RRU 102 can support both LTE and UMTS or GSM.
- the LTE terminal 104 communicates with the base station 10, and the terminal 204 communicates with the base station 20.
- the base station 10 in the application scenario may also be an LTE-Advanced (LTE-A) base station.
- LTE-A LTE-Advanced
- the terminal involved in the embodiment of the present invention may be a wireless terminal.
- the wireless terminal can be a mobile terminal, such as a mobile telephone (or "cellular" telephone) and a computer with a mobile terminal, for example, a mobile device that can be portable, pocket, handheld, computer built, or in-vehicle.
- the wireless terminal exchanges voice and/or data with the wireless access network.
- the terminal may be referred to as a Subscriber Unit (SU), a Subscriber Station (SS), a Mobile Station (MS), an Access Terminal (AT), and a User Terminal (UT).
- SU Subscriber Unit
- SS Subscriber Station
- MS Mobile Station
- AT Access Terminal
- UT User Terminal
- UE User agent or User Equipment
- the embodiment of the present invention is described by taking a 4-channel multi-mode RRU, and LTE and UMTS share the RRU as an example.
- one Resource Block includes 12 Orthogonal Frequency Division Multiplexing (OFDM) symbols.
- the 7 OFDM symbols are classified into two types: an OFDM symbol having a Reference Signal (RS) and an OFDM symbol having no RS.
- An OFDM symbol without RS may also be referred to as an OFDM symbol of type A, and an OFDM symbol having an RS may also be referred to as an OFDM symbol of type B.
- the number of antennas is 4, there are RSs on symbols 0, 1, and 4, and there are no RSs on the other 4 symbols.
- EA indicates the power of a resource element (Resource Element, RE) of an OFDM symbol physical downlink shared channel (PDSCH) without RS
- EB indicates the power of an RE of an OFDM symbol PDSCH of an RS
- ERS indicates the RE of an RS.
- ⁇ A represents the ratio of the RE power of the OFDM symbol PDSCH without RS to the RE power of the RS, which is a linear value
- ⁇ B represents a ratio of the RE power of the OFDM symbol PDSCH of the RS to the RE power of the RS, and is a linear value.
- P A ⁇ A
- the P A may represent the offset of the RE power of the RS-free positive OFDM symbol PDSCH and the RE power of the RS
- P B represents the RE power of the ODFM symbol PDSCH with the RS and the absence RS OFDM symbol
- the eNB determines the transmit power of each antenna port according to a set of ERS, P A and P B parameters, that is, determines the power of each channel using the above 4-channel multimode RRU.
- LTE uses four channels of the RRU, assuming that the UMTS uses two transmit channels of the RRU, such as the third channel and the fourth channel of the RRU. Since LTE determines the transmit power of each channel of the RRU according to a set of ERS, P A, and P B parameters, when the third channel and the fourth channel of the RRU are commonly used by LTE and UMTS, the first channel and the first channel of the RRU are used. In the case of the second channel, part of the transmission power cannot be used, and there is a problem that the transmission power is wasted. In particular, for LTE that upgrades from 2 to 2 (2T2R) to 4 to 4 (4T4R), the LTE transmission network is reduced by sharing part of the RRU with UMTS, thereby reducing the LTE network. Coverage performance.
- FIG. 2 is a schematic diagram of a possible RRU channel transmit power setting process according to an embodiment of the present invention.
- the first base station transmits a signal to the first UE by using the first power and the second channel of the RRU, respectively.
- the first base station transmits a signal to the UE by using the second power through the third channel and the fourth channel of the RRU.
- the sum of the second power and the third power is less than or equal to the first power, and the third power is used by the second base station to send a signal to the second UE by using the third channel and the fourth channel of the RRU.
- the first base station and the second base station are base stations of different standards.
- the second base station communicates with the second UE by using a single antenna, and the second base station uses only the third power to transmit a signal to the second UE through the fourth channel of the RRU. Then, for the first base station, the first base station transmits a signal to the UE through the fourth channel of the RRU by using the second power, and may transmit to the UE by using the second power or using the first power through the third channel of the RRU. signal. If the first base station transmits a signal to the UE through the third channel of the RRU by using the second power, although the power of the third channel of the RRU is unused, the power waste problem of the RRU channel is relieved compared to the prior art.
- the first base station may be an eNB of the LTE, and the eNB transmits a signal to the UE of the LTE through the first channel and the second channel of the RRU by using the first power, and the eNB passes the third channel and the fourth of the RRU by using the second power respectively.
- the channel transmits a signal to the UE of the LTE, that is, the eNB performs 4-antenna signal transmission with the UE of the LTE by using the four-channel RRU.
- the third power of the third channel and the fourth channel of the RRU are reserved, and the third power is used by the base station of the GSM or the base station of the UMTS to transmit signals to the UE of the GSM or the UE of the UMTS through the third channel and the fourth channel.
- the sum of the second power and the third power is equal to the first power.
- the sum of the second power and the third power is less than the first power.
- the first base station may be a base of LTE-A. station.
- the 2T2R LTE base station shares the 4-channel RRU with the UMTS base station, wherein the LTE base station uses the first channel and the second channel of the RRU to communicate with the LTE UE, and the UMTS base station uses the third and fourth channels of the RRU. Communicate with the UE of the UMTS.
- LTE is upgraded from 2T2R to 4T4R
- the LTE base station will use the 4 channels of the RRU, so that the LTE base station will share the third and fourth channels of the RRU with the UMTS base station.
- the RRU channel transmission power setting method will be described in detail below.
- the eNB acquires the third power used by the UMTS base station.
- the eNB acquires the third power by performing information exchange with the UMTS base station, or the eNB acquires the third power by using the network management configuration.
- the eNB determines the first power according to the RE power of the RS, P A and P B .
- the eNB determines a second power according to the first power and the third power, and a sum of the second power and the third power is less than or equal to the first power.
- the eNB uses the first power to transmit signals to the LTE UEs through the first channel and the second channel of the RRU, and uses the second power to transmit signals to the LTE UEs through the third channel and the fourth channel of the RRU respectively.
- the base station of the UMTS can use the third power to transmit signals to the UE of the UMTS through the third channel and the fourth channel of the RRU, respectively.
- the eNB determines an attenuation coefficient according to the first power and the third power, and the eNB acquires and utilizes the second power according to the first power and the attenuation coefficient.
- the eNB does not reduce the eNB by using the first power to transmit signals to the LTE UE through the first channel and the second channel of the RRU, that is, the RRU is shared with the UMTS base station.
- the transmit power of the first channel and the second channel so as not to affect the pilot measurement of the UE of the LTE, thereby ensuring the coverage performance of the LTE network.
- the above method is also applicable to RRUs of more channels, such as 8-channel RRUs.
- each network element such as a UE, an eNB, etc.
- each network element includes a hardware structure and/or a software module corresponding to each function.
- the present invention can be implemented in a combination of computer software or hardware or a combination of hardware and computer software, in combination with the elements and steps of the various embodiments described herein. Whether a function is implemented in hardware, computer software or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.
- FIG. 3 is a schematic structural diagram of a possible first base station according to an embodiment of the present invention.
- the first base station implements the RRU channel transmit power setting method described in FIG. 2, and thus can also achieve the beneficial effects of the RRU channel transmit power setting method.
- the first base station may be an eNB or a base station of LTE-A.
- the first base station includes a processor 301 and a transceiver 302.
- the processor 301 is configured to transmit a signal to the first UE by using the first power and the second channel of the RRU by using the first power, and the processor 301 is further configured to pass the third channel of the RRU by using the second power respectively.
- the fourth channel transmits a signal to the UE.
- the sum of the second power and the third power is less than or equal to the first power, and the third power is used by the second base station to send a signal to the second UE by using the third channel and the fourth channel of the RRU.
- the first base station and the second base station are base stations of different standards.
- the second base station is a base station of GSM or a base station of UMTS.
- the first base station may also include an interface 303.
- the processor 301 acquires the third power through the interface 303.
- the processor 301 determines an attenuation coefficient according to the first power and the third power, and The second power is obtained according to the first power and the attenuation coefficient.
- the first base station can also include a memory 304.
- Memory 304 is used to store program code and/or data.
- the processor 301 calls the program code stored in the memory 304 to execute the above processing.
- Figure 3 shows only one design of the first base station.
- the first base station may include any number of processors, transceivers, memories, etc., and all base stations that can implement the embodiments of the present invention are within the scope of the present invention.
- FIG. 4 is a schematic structural diagram of another possible first base station according to an embodiment of the present invention.
- the device implements the RRU channel transmit power setting method described in FIG. 2, and thus can also achieve the beneficial effects of the RRU channel transmit power setting method.
- the first base station may be an eNB or a base station of LTE-A.
- the first base station includes a processing unit 401 and a transceiver unit 402.
- the processing unit 401 transmits a signal to the first UE through the first channel and the second channel of the RRU by using the first power, and the processing unit 401 is further configured to use the second channel and the third channel of the RRU by using the second power respectively.
- Four channels transmit signals to the UE.
- the sum of the second power and the third power is less than or equal to the first power, and the third power is used by the second base station to send a signal to the second UE by using the third channel and the fourth channel of the RRU.
- the first base station and the second base station are base stations of different standards.
- the second base station is a base station of GSM or a base station of UMTS.
- the first base station may further include an interface unit 403.
- the processing unit 401 acquires the third power through the interface unit 403.
- the processing unit 401 determines an attenuation coefficient according to the first power and the third power, and acquires a second power according to the first power and the attenuation coefficient.
- the first base station of the embodiment of the present invention implements the various steps/behavior of the foregoing method, and the functions of the various components may be specifically implemented according to the method in the foregoing method embodiment.
- the specific implementation process reference may be made to the related description in the foregoing method embodiments.
- the processor for performing the RRU channel transmit power setting in the above embodiment of the present invention may be a central processing unit (CPU), a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit. (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or perform various exemplary logical functions and modules described in connection with the present disclosure.
- CPU central processing unit
- DSP digital signal processor
- ASIC application specific integrated circuit.
- FPGA Field Programmable Gate Array
- the functions described herein can be implemented in hardware, software, firmware, or any combination thereof.
- the functions may be stored in a computer readable medium or transmitted as one or more instructions or code on a computer readable medium.
- Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program or related information from one location to another.
- a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.
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Claims (9)
- 一种射频拉远单元RRU通道发射功率设置方法,其特征在于,所述方法包括:演进基站eNB利用第一功率分别通过RRU的第一通道和第二通道向长期演进LTE的用户设备UE发射信号;所述eNB利用第二功率分别通过所述RRU的第三通道和第四通道向所述LTE的UE发射信号;其中,所述第二功率和第三功率的和小于或等于所述第一功率,所述第三功率用于非LTE的基站通过所述RRU的所述第三通道和所述第四通道向所述非LTE的UE发射信号。
- 如权利要求1所述的方法,其特征在于,所述eNB根据参考信号RS的资源元素RE功率,PA和PB确定所述第一功率,其中所述PA为无RS的正交频分复用OFDM符号物理下行共享信道PDSCH的RE功率与所述RS的RE功率偏置,所述PB为有RS的ODFM符号PDSCH的RE功率与所述无RS的OFDM符号的PDSCH的RE功率比。
- 如权利要求1或2所述的方法,其特征在于,所述eNB获取所述第三功率。
- 如权利要求1至3任意一项所述的方法,其特征在于,所述非LTE的基站包括:全球移动通信系统GSM的基站,或通用移动通信系统UMTS的基站。
- 一种基站,包括:处理单元和收发单元;所述处理单元,用于通过所述收发单元,利用第一功率分别通过RRU的第一通道和第二通道向长期演进LTE的用户设备UE发射信号;所述处理单元,还用于利用第二功率分别通过所述RRU的第三通道和 第四通道向所述LTE的UE发射信号;其中,所述第二功率和第三功率的和小于或等于所述第一功率,所述第三功率用于非LTE的基站通过所述RRU的所述第三通道和所述第四通道向所述非LTE的UE发射信号。
- 如权利要求5所述的基站,其特征在于,所述处理单元用于根据参考信号RS的资源元素RE功率,PA和PB确定所述第一功率,其中所述PA为无RS的正交频分复用OFDM符号物理下行共享信道PDSCH的RE功率与所述RS的RE功率偏置,所述PB为有RS的ODFM符号PDSCH的RE功率与所述无RS的OFDM符号的PDSCH的RE功率比。
- 如权利要求5或6所述的基站,其特征在于,所述基站还包括接口单元,所述处理单元用于通过所述接口单元获取所述第三功率。
- 如权利要求5至7任意一项所述的基站,其特征在于,所述非LTE的基站包括:全球移动通信系统GSM的基站,或通用移动通信系统UMTS的基站。
- 一种基站,包括:处理器和收发器;所述处理器,用于通过所述收发器,利用第一功率分别通过RRU的第一通道和第二通道向长期演进LTE的用户设备UE发射信号;所述处理器,还用于利用第二功率分别通过所述RRU的第三通道和第四通道向所述LTE的UE发射信号;其中,所述第二功率和第三功率的和小于或等于所述第一功率,所述第三功率用于非LTE的基站通过所述RRU的所述第三通道和所述第四通道向所述非LTE的UE发射信号。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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EP16902678.8A EP3454609A4 (en) | 2016-05-25 | 2016-05-25 | METHOD FOR ADJUSTING THE CHANNEL TRANSMISSION PERFORMANCE OF A REMOTE FUNCTION UNIT AND BASE STATION |
BR112018074077-2A BR112018074077A2 (pt) | 2016-05-25 | 2016-05-25 | método de estabelecimento de potência de transmissão de canal de unidade de rádio remota e estação base |
KR1020187036675A KR20190006013A (ko) | 2016-05-25 | 2016-05-25 | 원격 무선 유닛의 채널 송신 전력을 설정하기 위한 방법, 및 기지국 |
PCT/CN2016/083306 WO2017201688A1 (zh) | 2016-05-25 | 2016-05-25 | 射频拉远单元通道发射功率设置的方法和基站 |
CA3025572A CA3025572A1 (en) | 2016-05-25 | 2016-05-25 | Remote radio unit channel transmit power setting method and base station |
JP2018561617A JP6617839B2 (ja) | 2016-05-25 | 2016-05-25 | リモート無線ユニットのチャネル送信電力設定方法および基地局 |
CN201680085720.XA CN109155975A (zh) | 2016-05-25 | 2016-05-25 | 射频拉远单元通道发射功率设置的方法和基站 |
US16/197,529 US20190090207A1 (en) | 2016-05-25 | 2018-11-21 | Remote radio unit channel transmit power setting method and base station |
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PCT/CN2016/083306 WO2017201688A1 (zh) | 2016-05-25 | 2016-05-25 | 射频拉远单元通道发射功率设置的方法和基站 |
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US16/197,529 Continuation US20190090207A1 (en) | 2016-05-25 | 2018-11-21 | Remote radio unit channel transmit power setting method and base station |
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PCT/CN2016/083306 WO2017201688A1 (zh) | 2016-05-25 | 2016-05-25 | 射频拉远单元通道发射功率设置的方法和基站 |
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US (1) | US20190090207A1 (zh) |
EP (1) | EP3454609A4 (zh) |
JP (1) | JP6617839B2 (zh) |
KR (1) | KR20190006013A (zh) |
CN (1) | CN109155975A (zh) |
BR (1) | BR112018074077A2 (zh) |
CA (1) | CA3025572A1 (zh) |
WO (1) | WO2017201688A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109672989A (zh) * | 2018-12-26 | 2019-04-23 | 中国联合网络通信集团有限公司 | 室内分布系统 |
JP2022502982A (ja) * | 2018-10-08 | 2022-01-11 | ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニーBritish Telecommunications Public Limited Company | セルラ電気通信ネットワーク |
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CN113923759A (zh) * | 2020-07-10 | 2022-01-11 | 大唐移动通信设备有限公司 | 能耗控制方法、装置、设备及存储介质 |
CN114189875A (zh) * | 2021-10-26 | 2022-03-15 | 江苏通鼎宽带有限公司 | 5g 4t4r智能分布式拉远系统 |
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EP2695450A4 (en) * | 2011-04-01 | 2014-09-10 | Intel Corp | UPLINK POWER CONTROL METHOD FOR RRH SYSTEMS DISTRIBUTED WITH THE SAME CELL ID |
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2016
- 2016-05-25 EP EP16902678.8A patent/EP3454609A4/en not_active Withdrawn
- 2016-05-25 CN CN201680085720.XA patent/CN109155975A/zh active Pending
- 2016-05-25 JP JP2018561617A patent/JP6617839B2/ja active Active
- 2016-05-25 CA CA3025572A patent/CA3025572A1/en not_active Abandoned
- 2016-05-25 KR KR1020187036675A patent/KR20190006013A/ko not_active Application Discontinuation
- 2016-05-25 BR BR112018074077-2A patent/BR112018074077A2/pt not_active Application Discontinuation
- 2016-05-25 WO PCT/CN2016/083306 patent/WO2017201688A1/zh unknown
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2018
- 2018-11-21 US US16/197,529 patent/US20190090207A1/en not_active Abandoned
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CN104584654A (zh) * | 2012-01-30 | 2015-04-29 | 奥普蒂斯蜂窝技术有限责任公司 | 用于多天线通信系统中的导频功率分配的方法和装置 |
WO2015118510A1 (en) * | 2014-02-10 | 2015-08-13 | Telefonaktiebolaget L M Ericsson (Publ) | Ul control channel consideration for heterogeneous networks |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2022502982A (ja) * | 2018-10-08 | 2022-01-11 | ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニーBritish Telecommunications Public Limited Company | セルラ電気通信ネットワーク |
JP7297906B2 (ja) | 2018-10-08 | 2023-06-26 | ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | セルラ電気通信ネットワーク |
CN109672989A (zh) * | 2018-12-26 | 2019-04-23 | 中国联合网络通信集团有限公司 | 室内分布系统 |
Also Published As
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KR20190006013A (ko) | 2019-01-16 |
US20190090207A1 (en) | 2019-03-21 |
EP3454609A1 (en) | 2019-03-13 |
CA3025572A1 (en) | 2017-11-30 |
JP6617839B2 (ja) | 2019-12-11 |
EP3454609A4 (en) | 2019-04-17 |
BR112018074077A2 (pt) | 2019-03-06 |
CN109155975A (zh) | 2019-01-04 |
JP2019521585A (ja) | 2019-07-25 |
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