WO2019136717A1 - 用于功率控制的方法、终端设备和网络设备 - Google Patents

用于功率控制的方法、终端设备和网络设备 Download PDF

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Publication number
WO2019136717A1
WO2019136717A1 PCT/CN2018/072485 CN2018072485W WO2019136717A1 WO 2019136717 A1 WO2019136717 A1 WO 2019136717A1 CN 2018072485 W CN2018072485 W CN 2018072485W WO 2019136717 A1 WO2019136717 A1 WO 2019136717A1
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WIPO (PCT)
Prior art keywords
reference signal
signal resource
terminal device
downlink reference
information
Prior art date
Application number
PCT/CN2018/072485
Other languages
English (en)
French (fr)
Inventor
史志华
陈文洪
张治�
Original Assignee
Oppo广东移动通信有限公司
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
Priority to PL18900056T priority Critical patent/PL3737162T3/pl
Priority to CN201880064135.0A priority patent/CN111165026A/zh
Priority to EP18900056.5A priority patent/EP3737162B1/en
Priority to JP2020538708A priority patent/JP7138177B2/ja
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202111263296.2A priority patent/CN113950136B/zh
Priority to ES18900056T priority patent/ES2900502T3/es
Priority to PT189000565T priority patent/PT3737162T/pt
Priority to AU2018401507A priority patent/AU2018401507B2/en
Priority to EP21193905.3A priority patent/EP3955654B1/en
Priority to KR1020207022872A priority patent/KR102381602B1/ko
Priority to CN202010393452.6A priority patent/CN111669809B/zh
Priority to PCT/CN2018/072485 priority patent/WO2019136717A1/zh
Publication of WO2019136717A1 publication Critical patent/WO2019136717A1/zh
Priority to US16/909,639 priority patent/US11147030B2/en
Priority to US17/468,533 priority patent/US11711773B2/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/24TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0096Indication of changes in allocation
    • H04L5/0098Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • H04W52/146Uplink power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/38TPC being performed in particular situations
    • H04W52/42TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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

Definitions

  • the network when the uplink transmission of the user equipment (User Equipment, UE) does not support multiple beams, the network only configures one downlink reference signal (Downlink Reference Signal, DL) for the UE.
  • RS Downlink Reference Signal
  • the network device may configure multiple bandwidth parts (BWPs) for the UE, and may indicate that the UE dynamically transmits on different BWPs through signaling, so that the terminal device uses the same when switching to any BWP.
  • BWPs bandwidth parts
  • the DL RS is used as the path loss estimation of the uplink transmission, so that the path loss estimation error of the uplink transmission is large, which reduces the system performance.
  • a method for power control comprising: determining, by a terminal device, a first downlink reference signal resource group corresponding to a first bandwidth portion, the first downlink reference signal resource group including at least one a downlink reference signal resource; the terminal device determines a path loss value used when calculating a transmit power of the uplink data to be transmitted according to a signal corresponding to the downlink reference signal resource in the first downlink reference signal resource group.
  • the terminal device can better perform path loss estimation on the uplink transmission, which is beneficial to improving the accuracy of the power control, thereby improving system performance.
  • the determining, by the terminal device, the first downlink reference signal resource group corresponding to the first bandwidth portion includes: determining, by the terminal device, the mapping relationship between the bandwidth portion and the downlink reference signal resource group The first downlink reference signal resource group corresponding to the first bandwidth portion.
  • the terminal device can determine the downlink reference signal resource group on the corresponding BWP according to the mapping relationship between the BWP and the downlink reference signal resource group, so that the terminal device can flexibly use the appropriate downlink reference signal resource group to uplink transmission while dynamically switching the BWP. Perform road damage estimation.
  • the mapping relationship includes a correspondence between the K downlink reference signal resource groups and the X downlink bandwidth portions, where K and X are both positive integers greater than 1, and K is less than or equal to X.
  • the mapping relationship includes a correspondence between the M downlink reference signal resource groups and the Y uplink bandwidth components, where both M and Y are positive integers greater than 1.
  • the method further includes: receiving, by the terminal device, first information sent by the network device, where the first information is used to indicate that the first bandwidth portion is activated; and the terminal device is configured according to the bandwidth portion and the downlink reference signal. Determining, by the mapping relationship of the resource group, the first downlink reference signal resource group corresponding to the first bandwidth portion, including: determining, by the terminal device, the first bandwidth portion according to the mapping relationship and the first bandwidth portion The first downlink reference signal resource group.
  • the first information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI.
  • the second information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI.
  • the method before the determining, by the terminal device, the first downlink reference signal resource group corresponding to the first bandwidth portion, the method further includes: receiving, by the terminal device, third information sent by the network device, the third The information is used to indicate the first downlink reference signal resource group corresponding to the first bandwidth portion to be activated; the terminal device determines a first downlink reference signal resource group corresponding to the first bandwidth portion, including: the terminal device And determining, according to the third information, the first downlink reference signal resource group corresponding to the first bandwidth portion.
  • the third information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI, which is used to indicate activation of the first bandwidth portion.
  • the downlink reference signal resource includes a channel state indication reference signal CSI-RS resource and/or a synchronization signal/broadcast channel block.
  • the method further includes: determining, by the terminal device, the transmit power of the uplink data to be transmitted according to the path loss value; and sending, by the terminal device, the uplink data to be transmitted according to the transmit power.
  • a second aspect provides a method for power control, the method comprising: the network device transmitting first information to the terminal device, where the first information is used by the terminal device to determine a first downlink corresponding to the first bandwidth portion a reference signal resource group, the signal corresponding to the downlink reference signal resource in the first downlink reference signal resource group is used to determine a path loss value used when the terminal device calculates a transmit power of the uplink data to be transmitted, the first downlink
  • the reference signal resource group includes at least one downlink reference signal resource.
  • the first information is a mapping relationship between the bandwidth part and the downlink reference signal resource group.
  • the mapping relationship includes a correspondence between the K downlink reference signal resource groups and the X downlink bandwidth portions, where K and X are both positive integers greater than 1, and K is less than or equal to X.
  • the mapping relationship includes a correspondence between the M downlink reference signal resource groups and the Y uplink bandwidth components, where both M and Y are positive integers greater than 1.
  • the second information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI.
  • the first information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI.
  • the first information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI, which is used to indicate the activation of the first bandwidth portion.
  • the downlink reference signal resource includes a channel state indication reference signal CSI-RS resource and/or a synchronization signal/broadcast channel block.
  • a network device for performing the method of any of the foregoing second aspect or any of the possible implementations of the second aspect.
  • the network device comprises means for performing the method of any of the above-described second or second aspects of the second aspect.
  • a terminal device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the first aspect or the first aspect of the first aspect.
  • a network device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • a computer storage medium for storing the method in any of the above possible implementations of the first aspect or the first aspect, or any possible implementation of the second or second aspect
  • Computer software instructions for use in the method of the present invention including programs designed to perform the various aspects described above.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of any of the first aspect or the optional implementation of the first aspect, or the second Aspect or method of any alternative implementation of the second aspect.
  • the names of the terminal devices and the network devices are not limited to the devices themselves. In actual implementation, these devices may appear under other names. As long as the functions of the respective devices are similar to the present application, they are within the scope of the claims and their equivalents.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 shows a schematic block diagram of a method for uplink power in an embodiment of the present application.
  • FIG. 3 shows another schematic block diagram of a method for uplink power in an embodiment of the present application.
  • FIG. 4 shows a schematic block diagram of a terminal device of an embodiment of the present application.
  • FIG. 5 shows a schematic block diagram of a network device of an embodiment of the present application.
  • FIG. 6 shows another schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 7 shows another schematic block diagram of a network device of an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and a low-density signature (Low). Density Signature (LDS) system, etc., of course, the SCMA system and the LDS system may also be referred to as other names in the communication field; further, the technical solution of the embodiment of the present application can be applied to multi-carrier using non-orthogonal multiple access technology.
  • SCMA sparse code multiple access
  • LDS Density Signature
  • Orthogonal Frequency Division Multiplexing OFDM
  • Filter Bank Multi-Carrier FBMC
  • General Frequency Division Multiplexing Generalized Frequency Division Multiplexing (OFDM)) Frequency Division Multiplexing (GFDM)
  • Filtered Orthogonal Frequency Division Multiplexing Filtered-OFDM, F-OFDM
  • the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB, NB) in a WCDMA system. And may be an evolved base station (eNB or eNodeB) in the LTE system, or may be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be The embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or the network device in the future evolved PLMN network.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • NB base station
  • CRAN cloud radio access network
  • the embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the communication system in FIG. 1 may include a terminal device 10 and a network device 20.
  • the network device 20 is configured to provide communication services for the terminal device 10 and access the core network.
  • the terminal device 10 accesses the network by searching for synchronization signals, broadcast signals, and the like transmitted by the network device 20, thereby performing communication with the network.
  • the arrows shown in FIG. 1 may represent uplink/downlink transmissions by a cellular link between the terminal device 10 and the network device 20.
  • the network may configure the DL RS corresponding to the different beams for the UE, so that the terminal device can use the different beams for uplink transmission according to the corresponding DL RS. Perform road damage estimation. If the UE uplink transmission does not support multiple beams, then the network only configures one DL RS for the UE.
  • the network may configure a downlink bandwidth part (DL BWP) or an uplink bandwidth part (UL BWP) for the UE, and the network may pass Downlink Control Information (DCI). Or Media Access Control (MAC) Control Element (CE), etc. to indicate relatively dynamic transmission on different BWPs.
  • DCI Downlink Control Information
  • MAC Media Access Control
  • CE Control Element
  • the terminal device determines a first downlink reference signal resource group corresponding to the first bandwidth portion, where the first downlink reference signal resource group includes at least one downlink reference signal resource.
  • the terminal device determines, according to the signal corresponding to the downlink reference signal resource in the first downlink reference signal resource group, a path loss value used when calculating a transmit power of the uplink data to be transmitted.
  • the network device may configure K DL RS resource groups for the terminal device, where each DL RS resource group may include at least one DL RS.
  • Each DL RS may include the same number of DL RSs as the terminal device supports. For example, if the terminal device does not support multiple beams, each DL RS resource group includes 1 DL RS resource. If the terminal device supports N beams, N is a positive integer greater than 1, then each DL RS resource group includes N DL RS resources.
  • the network device may associate a DL BWP or UL BWP configured for the terminal device with some or all of the K DL RS resource groups. In this way, the terminal device can obtain the DL RS resource group corresponding to the corresponding BWP, and can determine the path loss value of the uplink transmission by using the corresponding signal on the DL RS resource in the determined DL RS resource group.
  • the method for power control of the embodiment of the present application is advantageous for improving the accuracy of power control, thereby improving system performance.
  • the terminal device determines the first downlink reference signal resource group corresponding to the first bandwidth portion, where the terminal device determines, according to the mapping relationship between the bandwidth portion and the downlink reference signal resource group.
  • the terminal device can determine the downlink reference signal resource group on the corresponding BWP according to the mapping relationship between the BWP and the downlink reference signal resource group, so that the terminal device can flexibly use the appropriate downlink reference signal resource group to uplink transmission while dynamically switching the BWP. Perform road damage estimation.
  • mapping relationship may be a correspondence between the DL BWP and the DL RS resource group, and the mapping relationship may also be a correspondence between the UL BWP and the DL RS resource group, and the mapping relationship may also be a DL BWP, a UL.
  • the mapping relationship between the BWP and the DL RS is not limited to the type of the BWP in the embodiment of the present application.
  • the number of DL RS resource groups that the network device configures for the terminal device should not be greater than the number of DL BWPs configured for the terminal device. However, the number of DL RS resource groups configured by the network device for the terminal device may not be equal to the number of UL BWPs configured for the terminal device.
  • the method further includes: receiving, by the terminal device, the first information sent by the network device, where the first information is used to indicate that the first bandwidth portion is activated; and the terminal device is configured according to the bandwidth portion and the downlink Determining, by the mapping relationship of the signal resource group, the first downlink reference signal resource group corresponding to the first bandwidth portion, including: determining, by the terminal device, the first bandwidth portion according to the mapping relationship and the first bandwidth portion Corresponding to the first downlink reference signal resource group.
  • the network device may indicate to the terminal device that the BWP is activated by the high layer signaling, the MAC CE signaling, or the DCI signaling, and may be a DL BWP or a UL BWP, and the high layer signaling may be, for example, radio resource control. Radio Resource Control, RRC) signaling.
  • RRC Radio Resource Control
  • the network device may also indicate to the terminal device by using high layer signaling, MAC CE signaling, or DCI signaling.
  • the method further includes: receiving, by the terminal device, third information sent by the network device, the third The information is used to indicate the first downlink reference signal resource group corresponding to the first bandwidth portion to be activated; the terminal device determines a first downlink reference signal resource group corresponding to the first bandwidth portion, including: the terminal device And determining, according to the third information, the first downlink reference signal resource group corresponding to the first bandwidth portion.
  • the DL RS in the embodiment of the present application may include Channel State Information-Reference Signals (CSI-RS) and/or Synchronous Signal/Broadcast Channel (PBCH). Block (SS/PBCH Block).
  • CSI-RS Channel State Information-Reference Signals
  • PBCH Synchronous Signal/Broadcast Channel
  • SS/PBCH Block Synchronous Signal/Broadcast Channel
  • the method may further include: determining, by the terminal device, the transmit power of the uplink data to be transmitted according to the path loss value; and sending, by the terminal device, the to-be-transmitted according to the transmit power Upstream data.
  • first information, the second information, and the third information that are present in the present disclosure may be carried in the same signaling in any combination, which is not limited by the embodiment of the present application.
  • FIG. 3 shows a schematic block diagram of a method 200 for power control in accordance with an embodiment of the present application. As shown in FIG. 3, the method 200 includes some or all of the following:
  • the network device sends the first information to the terminal device, where the first information is used by the terminal device to determine a first downlink reference signal resource group corresponding to the first bandwidth portion, and the downlink in the first downlink reference signal resource group
  • the signal corresponding to the reference signal resource is used to determine a path loss value used when the terminal device calculates the transmission power of the uplink data to be transmitted, and the first downlink reference signal resource group includes at least one downlink reference signal resource.
  • the method for power control of the embodiment of the present application is advantageous for improving the accuracy of power control, thereby improving system performance.
  • the mapping relationship includes a correspondence between the K downlink reference signal resource groups and the X downlink bandwidth portions, where K and X are both positive integers greater than 1, and K is less than or equal to X.
  • the mapping relationship includes a correspondence between the M downlink reference signal resource groups and the Y uplink bandwidth components, where both M and Y are positive integers greater than 1.
  • the method further includes: the network device sending the second information to the terminal device, where the second information is used to indicate that the first bandwidth portion is activated.
  • the second information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI.
  • the first information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI.
  • the first information is used to indicate the first downlink reference signal resource group corresponding to the first bandwidth portion to be activated.
  • the first information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI, which is used to indicate the activation of the first bandwidth part.
  • the downlink reference signal resource includes a channel state indication reference signal CSI-RS resource and/or a synchronization signal/broadcast channel block.
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • FIG. 4 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
  • the terminal device 300 includes:
  • the first determining unit 310 is configured to determine a first downlink reference signal resource group corresponding to the first bandwidth portion, where the first downlink reference signal resource group includes at least one downlink reference signal resource;
  • the mapping relationship includes a correspondence between the M downlink reference signal resource groups and the Y uplink bandwidth components, where both M and Y are positive integers greater than 1.
  • the terminal device further includes: a first receiving unit, configured to receive first information sent by the network device, where the first information is used to indicate that the first bandwidth portion is activated; Determining, by the determining unit, the first downlink reference signal resource group corresponding to the first bandwidth part according to the mapping relationship between the bandwidth part and the downlink reference signal resource group, specifically: determining, according to the mapping relationship and the first bandwidth part, The first downlink reference signal resource group corresponding to the first bandwidth portion.
  • the first information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI.
  • the terminal device further includes: a second receiving unit, configured to receive second information sent by the network device, where the second information is used to indicate the mapping relationship.
  • the terminal device before the terminal device determines the first downlink reference signal resource group corresponding to the first bandwidth portion, the terminal device further includes: a third receiving unit, configured to receive, sent by the network device a third information, the third information is used to indicate the first downlink reference signal resource group corresponding to the first bandwidth portion to be activated; the first determining unit is specifically configured to: determine, according to the third information, The first downlink reference signal resource group corresponding to the first bandwidth portion.
  • the terminal device further includes: a third determining unit, configured to determine, according to the path loss value, a transmit power of the uplink data to be transmitted; and a sending unit, configured to use, according to the transmit power, Send the uplink data to be transmitted.
  • FIG. 5 shows a schematic block diagram of a network device 400 of an embodiment of the present application.
  • the network device 400 includes:
  • the first sending unit 410 is configured to send the first information to the terminal device, where the first information is used by the terminal device to determine a first downlink reference signal resource group corresponding to the first bandwidth portion, where the first downlink reference The signal corresponding to the downlink reference signal resource in the signal resource group is used to determine a path loss value used when the terminal device calculates the transmit power of the uplink data to be transmitted, where the first downlink reference signal resource group includes at least one downlink reference signal resource. .
  • the first information is a mapping relationship between the bandwidth part and the downlink reference signal resource group.
  • the network device further includes: a second sending unit, configured to send, to the terminal device, second information, where the second information is used to indicate that the first bandwidth portion is activated.
  • a second sending unit configured to send, to the terminal device, second information, where the second information is used to indicate that the first bandwidth portion is activated.
  • the first information is used to indicate the first downlink reference signal resource group corresponding to the first bandwidth portion to be activated.
  • the first information is carried in the high layer signaling, the medium access control MAC control element CE signaling, or the downlink control information DCI, which is used to indicate the activation of the first bandwidth part.
  • the downlink reference signal resource includes a channel state indication reference signal CSI-RS resource and/or a synchronization signal/broadcast channel block.
  • the terminal device of the embodiment of the present application is advantageous for improving the accuracy of power control, thereby improving system performance.
  • the processor 530 may be a central processing unit (CPU), and the processor 530 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 540 can include read only memory and random access memory and provides instructions and data to the processor 530. A portion of the memory 540 may also include a non-volatile random access memory. For example, the memory 540 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 530 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 540, and the processor 530 reads the information in the memory 540 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the first determining unit, the second determining unit, and the third determining unit in the terminal device 300 may be implemented by the processor 530 in FIG. 6, and the sending unit of the terminal device 300 may be outputted in FIG.
  • the interface 520 is implemented, and the first receiving unit, the second receiving unit, and the third receiving unit of the terminal device 300 can be implemented by the input interface 510 in FIG.
  • the embodiment of the present application further provides a network device 600, which may be the network device 400 in FIG. 5, which can be used to execute the content of the network device corresponding to the method 200 in FIG. .
  • the network device 600 includes an input interface 610, an output interface 620, a processor 630, and a memory 640.
  • the input interface 610, the output interface 620, the processor 630, and the memory 640 can be connected by a bus system.
  • the memory 640 is used to store programs, instructions or code.
  • the processor 630 is configured to execute a program, an instruction or a code in the memory 640 to control the input interface 610 to receive a signal, control the output interface 620 to send a signal, and complete the operations in the foregoing method embodiments.
  • the network device of the embodiment of the present application is advantageous for improving the accuracy of power control, thereby improving system performance.
  • the processor 630 may be a central processing unit (CPU), and the processor 630 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 640 can include read only memory and random access memory and provides instructions and data to the processor 630. A portion of the memory 640 can also include a non-volatile random access memory. For example, the memory 640 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 630 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 640, and the processor 630 reads the information in the memory 640 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the first sending unit and the second sending unit in the network device 400 can be implemented by the output interface 620 in FIG.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • This functionality if implemented as a software functional unit and sold or used as a standalone product, can be stored on a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本申请实施例公开了一种用于功率控制的方法、终端设备和网络设备,该方法包括:终端设备确定与第一带宽部分对应的第一下行参考信号资源组,该第一下行参考信号资源组包括至少一个下行参考信号资源;该终端设备根据该第一下行参考信号资源组中的下行参考信号资源对应的信号,确定在计算待传输上行数据的发送功率时所用的路损值。本申请实施例的方法、终端设备和网络设备,有利于改善系统性能。

Description

用于功率控制的方法、终端设备和网络设备 技术领域
本申请实施例涉及通信领域,并且更具体地,涉及一种用于功率控制的方法、终端设备和网络设备。
背景技术
在现有的新空口(New Radio,NR)设计中,在用户设备(User Equipment,UE)的上行传输不支持多波束时,网络只给UE配置了1个下行参考信号(Downlink Reference Signal,DL RS),用来作上行传输的路损估计。但网络设备可以为UE配置多个带宽部分(bandwidth part,BWP),并且可以通过信令指示UE动态地在不同的BWP上传输,这样就使得终端设备在切换到任何一个BWP时都使用相同的DL RS作为上行传输的路损估计,从而使得上行传输的路损估计误差较大,降低了系统性能。
发明内容
有鉴于此,本申请实施例提供了一种用于功率控制的方法、终端设备和网络设备,有利于提高功率控制的准确度,从而可以改善系统性能。
第一方面,提供了一种用于功率控制的方法,该方法包括:终端设备确定与第一带宽部分对应的第一下行参考信号资源组,该第一下行参考信号资源组包括至少一个下行参考信号资源;该终端设备根据该第一下行参考信号资源组中的下行参考信号资源对应的信号,确定在计算待传输上行数据的发送功率时所用的路损值。
通过为每个BWP分别配置相应的下行参考信号资源组,使得终端设备能够更好地对上行传输进行路损估计,有利于提高功率控制的准确度,从而可以改善系统性能。
在一种可能的实现方式中,该终端设备确定与第一带宽部分对应的第一下行参考信号资源组,包括:该终端设备根据带宽部分与下行参考信号资源组的映射关系,确定与该第一带宽部分对应的该第一下行参考信号资源组。
终端设备可以根据BWP与下行参考信号资源组之间的映射关系确定相应BWP上的下行参考信号资源组,使得终端设备在动态切换BWP的同时 能够灵活的使用合适的下行参考信号资源组对上行传输进行路损估计。
在一种可能的实现方式中,该映射关系包括K个下行参考信号资源组与X个下行带宽部分的对应关系,K与X均为大于1的正整数,且K小于或等于X。
在一种可能的实现方式中,该映射关系包括为M个下行参考信号资源组与Y个上行带宽部分的对应关系,M与Y均为大于1的正整数。
在一种可能的实现方式中,该方法还包括:该终端设备接收网络设备发送的第一信息,该第一信息用于指示激活该第一带宽部分;该终端设备根据带宽部分与下行参考信号资源组的映射关系,确定与该第一带宽部分对应的该第一下行参考信号资源组,包括:该终端设备根据该映射关系和该第一带宽部分,确定与该第一带宽部分对应的该第一下行参考信号资源组。
在一种可能的实现方式中,该第一信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
在一种可能的实现方式中,该方法还包括:该终端设备接收网络设备发送的第二信息,该第二信息用于指示该映射关系。
在一种可能的实现方式中,该第二信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
在一种可能的实现方式中,在终端设备确定与第一带宽部分对应的第一下行参考信号资源组之前,该方法还包括:该终端设备接收网络设备发送的第三信息,该第三信息用于指示与待激活的该第一带宽部分对应的该第一下行参考信号资源组;该终端设备确定与第一带宽部分对应的第一下行参考信号资源组,包括:该终端设备根据该第三信息,确定与该第一带宽部分对应的该第一下行参考信号资源组。
在一种可能的实现方式中,该第三信息承载于用于指示激活该第一带宽部分的高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
在一种可能的实现方式中,该下行参考信号资源包括信道状态指示参考信号CSI-RS资源和/或同步信号/广播信道块。
在一种可能的实现方式中,该方法还包括:该终端设备根据该路损值,确定该待传输上行数据的发送功率;该终端设备根据该发送功率,发送该待传输上行数据。
第二方面,提供了一种用于功率控制的方法,该方法包括:网络设备向终端设备发送第一信息,该第一信息用于该终端设备确定与第一带宽部分对应的第一下行参考信号资源组,该第一下行参考信号资源组中的下行参考信号资源对应的信号用于确定在该终端设备计算待传输上行数据的发送功率时所用的路损值,该第一下行参考信号资源组包括至少一个下行参考信号资源。
在一种可能的实现方式中,该第一信息为带宽部分与下行参考信号资源组的映射关系。
在一种可能的实现方式中,该映射关系包括K个下行参考信号资源组与X个下行带宽部分的对应关系,K与X均为大于1的正整数,且K小于或等于X。
在一种可能的实现方式中,该映射关系包括为M个下行参考信号资源组与Y个上行带宽部分的对应关系,M与Y均为大于1的正整数。
在一种可能的实现方式中,该方法还包括:该网络设备向该终端设备发送第二信息,该第二信息用于指示激活该第一带宽部分。
在一种可能的实现方式中,该第二信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
在一种可能的实现方式中,该第一信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
在一种可能的实现方式中,该第一信息用于指示与待激活的该第一带宽部分对应的该第一下行参考信号资源组。
在一种可能的实现方式中,该第一信息承载于用于指示激活该第一带宽部分的高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
在一种可能的实现方式中,该下行参考信号资源包括信道状态指示参考信号CSI-RS资源和/或同步信号/广播信道块。
第三方面,提供了一种终端设备,用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地,该终端设备包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第四方面,提供了一种网络设备,用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地,该网络设备包括用于执行上述第二 方面或第二方面的任意可能的实现方式中的方法的单元。
第五方面,提供了一种终端设备,该终端设备包括:存储器、处理器、输入接口和输出接口。其中,存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令,该处理器用于执行该存储器存储的指令,用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。
第六方面,提供了一种网络设备,该网络设备包括:存储器、处理器、输入接口和输出接口。其中,存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令,该处理器用于执行该存储器存储的指令,用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。
第七方面,提供了一种计算机存储介质,用于储存为执行上述第一方面或第一方面的任意可能的实现方式中的方法,或者上述第二方面或第二方面的任意可能的实现方式中的方法所用的计算机软件指令,其包含用于执行上述各方面所设计的程序。
第八方面,提供了一种包括指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第一方面或第一方面的任一可选的实现方式中的方法,或者上述第二方面或第二方面的任一可选的实现方式中的方法。
本申请中,终端设备以及网络设备等的名字对设备本身不构成限定,在实际实现中,这些设备可以以其他名称出现。只要各个设备的功能和本申请类似,属于本申请权利要求及其等同技术的范围之内。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
图1示出了本申请实施例一个应用场景的示意图。
图2示出了本申请实施例的用于上行功率的方法的示意性框图。
图3示出了本申请实施例的用于上行功率的方法的另一示意性框图。
图4示出了本申请实施例的终端设备的示意性框图。
图5示出了本申请实施例的网络设备的示意性框图。
图6示出了本申请实施例的终端设备的另一示意性框图。
图7示出了本申请实施例的网络设备的另一示意性框图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述。
应理解,本申请实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,GSM)系统、码分多址(Code Division Multiple Access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统、通用分组无线业务(General Packet Radio Service,GPRS)、长期演进LTE系统、LTE频分双工(Frequency Division Duplex,FDD)系统、LTE时分双工(Time Division Duplex,TDD)、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access,WiMAX)通信系统、新无线(New Radio,NR)或未来的5G系统等。
特别地,本申请实施例的技术方案可以应用于各种基于非正交多址接入技术的通信系统,例如稀疏码多址接入(Sparse Code Multiple Access,SCMA)系统、低密度签名(Low Density Signature,LDS)系统等,当然SCMA系统和LDS系统在通信领域也可以被称为其他名称;进一步地,本申请实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输系统,例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)、滤波器组多载波(Filter Bank Multi-Carrier,FBMC)、通用频分复用(Generalized Frequency Division Multiplexing,GFDM)、滤波正交频分复用(Filtered-OFDM,F-OFDM)系统等。
本申请实施例中的终端设备可以指用户设备(User Equipment,UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备,未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network,PLMN)中的终端设备等,本申请实施例并不限定。
本申请实施例中的网络设备可以是用于与终端设备通信的设备,该网络设备可以是GSM或CDMA中的基站(Base Transceiver Station,BTS),也 可以是WCDMA系统中的基站(NodeB,NB),还可以是LTE系统中的演进型基站(Evolutional NodeB,eNB或eNodeB),还可以是云无线接入网络(Cloud Radio Access Network,CRAN)场景下的无线控制器,或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等,本申请实施例并不限定。
图1是本申请实施例一个应用场景的示意图。图1中的通信系统可以包括终端设备10和网络设备20。网络设备20用于为终端设备10提供通信服务并接入核心网,终端设备10通过搜索网络设备20发送的同步信号、广播信号等而接入网络,从而进行与网络的通信。图1中所示出的箭头可以表示通过终端设备10与网络设备20之间的蜂窝链路进行的上/下行传输。
在目前的NR设计中,当UE上行传输支持不同的波束时,网络可以为UE配置与不同波束对应的DL RS,使得终端设备在使用不同波束进行上行传输时,可以根据各自对应的DL RS来进行路损估计。如果UE上行传输不支持多波束时,那么网络只为UE配置1个DL RS。
而在NR中,网络可以为UE配置多个下行带宽部分(Downlink bandwidth part,DL BWP)或者上行带宽部分(Uplink bandwidth part,UL BWP),并且网络可以通过下行控制信息(Downlink Control Information,DCI)或者媒体接入控制(Media Access Control,MAC)控制元素(Control Element,CE)等方式来指示相对动态地在不同的BWP上传输。如果在切换了BWP之后,还是采用相同的DL RS来进行上行传输的路损估计,可能会导致误差较大,从而计算出来的发送功率就不够准确。这样,就需要一种方法,能够使得终端设备在切换BWP之后,能够得到比较合适的DL RS来作为路损估计。
图2示出了本申请实施例的用于功率控制的方法100的示意性框图。如图2所示,该方法100包括以下部分或全部内容:
S110,终端设备确定与第一带宽部分对应的第一下行参考信号资源组,该第一下行参考信号资源组包括至少一个下行参考信号资源;
S120,该终端设备根据该第一下行参考信号资源组中的下行参考信号资源对应的信号,确定在计算待传输上行数据的发送功率时所用的路损值。
具体地,网络设备可以为终端设备配置K个DL RS资源组,其中,每个DL RS资源组可以包括至少一个DL RS。每一个DL RS包括的DL RS数 量可以与终端设备支持的波束数量相同。例如,如果终端设备不支持多波束,那么每个DL RS资源组包括1个DL RS资源,如果终端设备支持N个波束,N为大于1的正整数,那么每个DL RS资源组包括N个DL RS资源。网络设备可以把为终端设备配置的DL BWP或UL BWP与该K个DL RS资源组中的部分或全部关联起来。这样就使得终端设备能够获得与相应BWP对应的DL RS资源组,进而可以利用确定的DL RS资源组中的DL RS资源上对应的信号,确定上行传输的路损值。
因此,本申请实施例的用于功率控制的方法,有利于提高功率控制的准确度,从而可以改善系统性能。
可选地,在本申请实施例中,该终端设备确定与第一带宽部分对应的第一下行参考信号资源组,包括:该终端设备根据带宽部分与下行参考信号资源组的映射关系,确定与该第一带宽部分对应的该第一下行参考信号资源组。
该终端设备可以提前存储BWP与DL RS资源组的映射关系,具体地,该映射关系可以是用网络设备配置的,也可以是由协议约定好的,也就是说,终端设备出厂时其内部存储模块可以存储有该映射关系。当终端设备要切换到某个BWP时,终端设备可以从该映射关系中查找与要切换的BWP对应的DL RS资源组,进而终端设备就可以根据确定的DL RS资源组中的DL RS资源对应的信号,进行上行传输的路损估计。
终端设备可以根据BWP与下行参考信号资源组之间的映射关系确定相应BWP上的下行参考信号资源组,使得终端设备在动态切换BWP的同时能够灵活的使用合适的下行参考信号资源组对上行传输进行路损估计。
应理解,该映射关系可以是DL BWP与DL RS资源组之间的对应关系,该映射关系也可以是UL BWP与DL RS资源组之间的对应关系,该映射关系还可以是DL BWP、UL BWP以及DL RS这三者之间的映射关系,本申请实施例对BWP的类型不作限定。
还应理解,网络设备为终端设备配置的DL RS资源组的数量不应该大于为终端设备配置的DL BWP的数量。但网络设备为终端设备配置的DL RS资源组的数量可以不受为终端设备配置的UL BWP的数量。
可选地,在本申请实施例中,该方法还包括:该终端设备接收网络设备发送的第一信息,该第一信息用于指示激活该第一带宽部分;该终端设备根 据带宽部分与下行参考信号资源组的映射关系,确定与该第一带宽部分对应的该第一下行参考信号资源组,包括:该终端设备根据该映射关系和该第一带宽部分,确定与该第一带宽部分对应的该第一下行参考信号资源组。
具体地,网络设备可以通过高层信令、MAC CE信令或者DCI信令向终端设备指示激活某个BWP,可以是DL BWP,也可以是UL BWP,该高层信令例如可以是无线资源控制(Radio Resource Control,RRC)信令。
可选地,如果由网络设备向终端设备配置该映射关系,那么网络设备同样可以通过高层信令、MAC CE信令或者DCI信令向终端设备指示。
作为一个可替代的实施例,,在终端设备确定与第一带宽部分对应的第一下行参考信号资源组之前,该方法还包括:该终端设备接收网络设备发送的第三信息,该第三信息用于指示与待激活的该第一带宽部分对应的该第一下行参考信号资源组;该终端设备确定与第一带宽部分对应的第一下行参考信号资源组,包括:该终端设备根据该第三信息,确定与该第一带宽部分对应的该第一下行参考信号资源组。
也就是说,网络设备可以不提前为终端设备配置BWP与DL RS资源组的映射关系,在网络设备指示终端设备切换BWP的时候,再为终端设备配置与该BWP对应的DL RS资源组。例如,若网络设备指示激活BWP1,网络设备可以结合该BWP1,为终端设备配置适合该BWP1的DL RS资源组,并指示给终端设备,进而,终端设备就可以根据指示的DL RS资源组中的DL RS资源对应的信号进行上行传输的路损估计。
进一步地,网络设备可以在激活某个BWP的同时指示与该BWP对应的DL RS资源组。例如,网络设备可以通过同一个高层信令、同一个MAC CE信令或DCI信令向终端设备既指示激活某个BWP,又指示与该BWP对应的DL RS资源组。网络设备也可以分开向终端设备指示激活某个BWP和与该BWP对应的DL RS资源组,本申请实施例对此不构成限定。
应理解,在网络设备指示与该BWP对应的DL RS资源组之前,终端设备需要沿用之前的DL RS资源组作路损估计。
还应理解,本申请实施例中的DL RS可以包括信道状态信息参考信号(Channel State Information-Reference Signals,CSI-RS)和/或同步信号(Synchronous Signal)/物理广播信道(Broadcast Channel,PBCH)块(SS/PBCH Block)。
进一步地,在终端设备确定了路损值之后,该方法还可以包括:该终端设备根据该路损值,确定该待传输上行数据的发送功率;该终端设备根据该发送功率,发送该待传输上行数据。
应理解,本文中出现的第一信息、第二信息以及第三信息,可以以任何组合方式承载在同一信令中,本申请实施例对此不作限定。
图3示出了本申请实施例的用于功率控制的方法200的示意性框图。如图3所示,该方法200包括以下部分或全部内容:
S210,网络设备向终端设备发送第一信息,该第一信息用于该终端设备确定与第一带宽部分对应的第一下行参考信号资源组,该第一下行参考信号资源组中的下行参考信号资源对应的信号用于确定在该终端设备计算待传输上行数据的发送功率时所用的路损值,该第一下行参考信号资源组包括至少一个下行参考信号资源。
因此,本申请实施例的用于功率控制的方法,有利于提高功率控制的准确度,从而可以改善系统性能。
可选地,在本申请实施例中,该第一信息为带宽部分与下行参考信号资源组的映射关系。
可选地,在本申请实施例中,该映射关系包括K个下行参考信号资源组与X个下行带宽部分的对应关系,K与X均为大于1的正整数,且K小于或等于X。
可选地,在本申请实施例中,该映射关系包括为M个下行参考信号资源组与Y个上行带宽部分的对应关系,M与Y均为大于1的正整数。
可选地,在本申请实施例中,该方法还包括:该网络设备向该终端设备发送第二信息,该第二信息用于指示激活该第一带宽部分。
可选地,在本申请实施例中,该第二信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
可选地,在本申请实施例中,该第一信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
可选地,在本申请实施例中,该第一信息用于指示与待激活的该第一带宽部分对应的该第一下行参考信号资源组。
可选地,在本申请实施例中,该第一信息承载于用于指示激活该第一带宽部分的高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息 DCI中。
可选地,在本申请实施例中,该下行参考信号资源包括信道状态指示参考信号CSI-RS资源和/或同步信号/广播信道块。
应理解,本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
应理解,网络设备描述的网络设备与终端设备之间的交互及相关特性、功能等与终端设备的相关特性、功能相应。并且相关内容在上述方法100中已经作了详尽描述,为了简洁,在此不再赘述。
还应理解,在本申请的各种实施例中,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本申请实施例的实施过程构成任何限定。
上文中详细描述了根据本申请实施例的用于功率控制的方法,下面将结合图4至图7,描述根据本申请实施例的用于功率控制的装置,方法实施例所描述的技术特征适用于以下装置实施例。
图4示出了本申请实施例的终端设备300的示意性框图。如图4所示,该终端设备300包括:
第一确定单元310,用于确定与第一带宽部分对应的第一下行参考信号资源组,该第一下行参考信号资源组包括至少一个下行参考信号资源;
第二确定单元320,用于根据该第一下行参考信号资源组中的下行参考信号资源对应的信号,确定在计算待传输上行数据的发送功率时所用的路损值。
因此,本申请实施例的终端设备,有利于提高功率控制的准确度,从而可以改善系统性能。
可选地,在本申请实施例中,该第一确定单元具体用于:根据带宽部分与下行参考信号资源组的映射关系,确定与该第一带宽部分对应的该第一下行参考信号资源组。
可选地,在本申请实施例中,该映射关系包括K个下行参考信号资源组与X个下行带宽部分的对应关系,K与X均为大于1的正整数,且K小于 或等于X。
可选地,在本申请实施例中,该映射关系包括为M个下行参考信号资源组与Y个上行带宽部分的对应关系,M与Y均为大于1的正整数。
可选地,在本申请实施例中,该终端设备还包括:第一接收单元,用于接收网络设备发送的第一信息,该第一信息用于指示激活该第一带宽部分;该第一确定单元根据带宽部分与下行参考信号资源组的映射关系,确定与该第一带宽部分对应的该第一下行参考信号资源组,具体包括:根据该映射关系和该第一带宽部分,确定与该第一带宽部分对应的该第一下行参考信号资源组。
可选地,在本申请实施例中,该第一信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
可选地,在本申请实施例中,该终端设备还包括:第二接收单元,用于接收网络设备发送的第二信息,该第二信息用于指示该映射关系。
可选地,在本申请实施例中,该第二信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
可选地,在本申请实施例中,在终端设备确定与第一带宽部分对应的第一下行参考信号资源组之前,该终端设备还包括:第三接收单元,用于接收网络设备发送的第三信息,该第三信息用于指示与待激活的该第一带宽部分对应的该第一下行参考信号资源组;该第一确定单元具体用于:根据该第三信息,确定与该第一带宽部分对应的该第一下行参考信号资源组。
可选地,在本申请实施例中,该第三信息承载于用于指示激活该第一带宽部分的高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
可选地,在本申请实施例中,该下行参考信号资源包括信道状态指示参考信号CSI-RS资源和/或同步信号/广播信道块。
可选地,在本申请实施例中,该终端设备还包括:第三确定单元,用于根据该路损值,确定该待传输上行数据的发送功率;发送单元,用于根据该发送功率,发送该待传输上行数据。
应理解,根据本申请实施例的终端设备300可对应于本申请方法实施例中的终端设备,并且终端设备300中的各个单元的上述和其它操作和/或功能分别为了实现图2方法中终端设备的相应流程,为了简洁,在此不再赘述。
图5示出了本申请实施例的网络设备400的示意性框图。如图5所示,该网络设备400包括:
第一发送单元410,用于网络设备向终端设备发送第一信息,该第一信息用于该终端设备确定与第一带宽部分对应的第一下行参考信号资源组,该第一下行参考信号资源组中的下行参考信号资源对应的信号用于确定在该终端设备计算待传输上行数据的发送功率时所用的路损值,该第一下行参考信号资源组包括至少一个下行参考信号资源。
因此,本申请实施例的网络设备,有利于提高功率控制的准确度,从而可以改善系统性能。
可选地,在本申请实施例中,该第一信息为带宽部分与下行参考信号资源组的映射关系。
可选地,在本申请实施例中,该映射关系包括K个下行参考信号资源组与X个下行带宽部分的对应关系,K与X均为大于1的正整数,且K小于或等于X。
可选地,在本申请实施例中,该映射关系包括为M个下行参考信号资源组与Y个上行带宽部分的对应关系,M与Y均为大于1的正整数。
可选地,在本申请实施例中,该网络设备还包括:第二发送单元,用于向该终端设备发送第二信息,该第二信息用于指示激活该第一带宽部分。
可选地,在本申请实施例中,该第二信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
可选地,在本申请实施例中,该第一信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
可选地,在本申请实施例中,该第一信息用于指示与待激活的该第一带宽部分对应的该第一下行参考信号资源组。
可选地,在本申请实施例中,该第一信息承载于用于指示激活该第一带宽部分的高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
可选地,在本申请实施例中,该下行参考信号资源包括信道状态指示参考信号CSI-RS资源和/或同步信号/广播信道块。
应理解,根据本申请实施例的网络设备400可对应于本申请方法实施例中的网络设备,并且网络设备400中的各个单元的上述和其它操作和/或功能 分别为了实现图3方法中网络设备的相应流程,为了简洁,在此不再赘述。
如图6所示,本申请实施例还提供了一种终端设备500,该终端设备500可以是图4中的终端设备300,其能够用于执行与图2中方法100对应的终端设备的内容。该终端设备500包括:输入接口510、输出接口520、处理器530以及存储器540,该输入接口510、输出接口520、处理器530和存储器540可以通过总线系统相连。该存储器540用于存储包括程序、指令或代码。该处理器530,用于执行该存储器540中的程序、指令或代码,以控制输入接口510接收信号、控制输出接口520发送信号以及完成前述方法实施例中的操作。
因此,本申请实施例的终端设备,有利于提高功率控制的准确度,从而可以改善系统性能。
应理解,在本申请实施例中,该处理器530可以是中央处理单元(Central Processing Unit,CPU),该处理器530还可以是其他通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器540可以包括只读存储器和随机存取存储器,并向处理器530提供指令和数据。存储器540的一部分还可以包括非易失性随机存取存储器。例如,存储器540还可以存储设备类型的信息。
在实现过程中,上述方法的各内容可以通过处理器530中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器540,处理器530读取存储器540中的信息,结合其硬件完成上述方法的内容。为避免重复,这里不再详细描述。
一个具体的实施方式中,终端设备300中的第一确定单元、第二确定单元和第三确定单元可以由图6中的处理器530实现,终端设备300的发送单元可以由图6中的输出接口520实现,终端设备300的第一接收单元、第二 接收单元和第三接收单元可以由图6中的输入接口510实现。
如图7所示,本申请实施例还提供了一种网络设备600,该网络设备600可以是图5中的网络设备400,其能够用于执行与图3中方法200对应的网络设备的内容。该网络设备600包括:输入接口610、输出接口620、处理器630以及存储器640,该输入接口610、输出接口620、处理器630和存储器640可以通过总线系统相连。该存储器640用于存储包括程序、指令或代码。该处理器630,用于执行该存储器640中的程序、指令或代码,以控制输入接口610接收信号、控制输出接口620发送信号以及完成前述方法实施例中的操作。
因此,本申请实施例的网络设备,有利于提高功率控制的准确度,从而可以改善系统性能。
应理解,在本申请实施例中,该处理器630可以是中央处理单元(Central Processing Unit,CPU),该处理器630还可以是其他通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器640可以包括只读存储器和随机存取存储器,并向处理器630提供指令和数据。存储器640的一部分还可以包括非易失性随机存取存储器。例如,存储器640还可以存储设备类型的信息。
在实现过程中,上述方法的各内容可以通过处理器630中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成,或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器640,处理器630读取存储器640中的信息,结合其硬件完成上述方法的内容。为避免重复,这里不再详细描述。
一个具体的实施方式中,网络设备400中的第一发送单元和第二发送单元可以由图7中的输出接口620实现。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各 示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,该单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
该作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
该功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限 于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应该以权利要求的保护范围为准。

Claims (44)

  1. 一种用于功率控制的方法,其特征在于,包括:
    终端设备确定与第一带宽部分对应的第一下行参考信号资源组,所述第一下行参考信号资源组包括至少一个下行参考信号资源;
    所述终端设备根据所述第一下行参考信号资源组中的下行参考信号资源对应的信号,确定在计算发送待传输上行数据的发送功率时所用的路损值。
  2. 根据权利要求1所述的方法,其特征在于,所述终端设备确定与第一带宽部分对应的第一下行参考信号资源组,包括:
    所述终端设备根据带宽部分与下行参考信号资源组的映射关系,确定与所述第一带宽部分对应的所述第一下行参考信号资源组。
  3. 根据权利要求2所述的方法,其特征在于,所述映射关系包括K个下行参考信号资源组与X个下行带宽部分的对应关系,K与X均为大于1的正整数,且K小于或等于X。
  4. 根据权利要求2或3所述的方法,其特征在于,所述映射关系包括为M个下行参考信号资源组与Y个上行带宽部分的对应关系,M与Y均为大于1的正整数。
  5. 根据权利要求2至4中任一项所述的方法,其特征在于,所述方法还包括:
    所述终端设备接收网络设备发送的第一信息,所述第一信息用于指示激活所述第一带宽部分;
    所述终端设备根据带宽部分与下行参考信号资源组的映射关系,确定与所述第一带宽部分对应的所述第一下行参考信号资源组,包括:
    所述终端设备根据所述映射关系和所述第一带宽部分,确定与所述第一带宽部分对应的所述第一下行参考信号资源组。
  6. 根据权利要求5所述的方法,其特征在于,所述第一信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  7. 根据权利要求2至6中任一项所述的方法,其特征在于,所述方法还包括:
    所述终端设备接收网络设备发送的第二信息,所述第二信息用于指示所述映射关系。
  8. 根据权利要求7所述的方法,其特征在于,所述第二信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  9. 根据权利要求1所述的方法,其特征在于,在终端设备确定与第一带宽部分对应的第一下行参考信号资源组之前,所述方法还包括:
    所述终端设备接收网络设备发送的第三信息,所述第三信息用于指示与待激活的所述第一带宽部分对应的所述第一下行参考信号资源组;
    所述终端设备确定与第一带宽部分对应的第一下行参考信号资源组,包括:
    所述终端设备根据所述第三信息,确定与所述第一带宽部分对应的所述第一下行参考信号资源组。
  10. 根据权利要求9所述的方法,其特征在于,所述第三信息承载于用于指示激活所述第一带宽部分的高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  11. 根据权利要求1至10中任一项所述的方法,其特征在于,所述下行参考信号资源包括信道状态信息参考信号CSI-RS资源和/或同步信号/物理广播信道块。
  12. 根据权利要求1至11中任一项所述的方法,其特征在于,所述方法还包括:
    所述终端设备根据所述路损值,确定所述待传输上行数据的发送功率;
    所述终端设备根据所述发送功率,发送所述待传输上行数据。
  13. 一种用于功率控制的方法,其特征在于,包括:
    网络设备向终端设备发送第一信息,所述第一信息用于所述终端设备确定与第一带宽部分对应的第一下行参考信号资源组,所述第一下行参考信号资源组中的下行参考信号资源对应的信号用于确定在所述终端设备计算发送待传输上行数据的发送功率时所用的路损值,所述第一下行参考信号资源组包括至少一个下行参考信号资源。
  14. 根据权利要求13所述的方法,其特征在于,所述第一信息为带宽部分与下行参考信号资源组的映射关系。
  15. 根据权利要求14所述的方法,其特征在于,所述映射关系包括K个下行参考信号资源组与X个下行带宽部分的对应关系,K与X均为大于1的正整数,且K小于或等于X。
  16. 根据权利要求14或15所述的方法,其特征在于,所述映射关系包括为M个下行参考信号资源组与Y个上行带宽部分的对应关系,M与Y均为大于1的正整数。
  17. 根据权利要求14至16中任一项所述的方法,其特征在于,所述方法还包括:
    所述网络设备向所述终端设备发送第二信息,所述第二信息用于指示激活所述第一带宽部分。
  18. 根据权利要求17所述的方法,其特征在于,所述第二信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  19. 根据权利要求13至18中任一项所述的方法,其特征在于,所述第一信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  20. 根据权利要求13所述的方法,其特征在于,所述第一信息用于指示与待激活的所述第一带宽部分对应的所述第一下行参考信号资源组。
  21. 根据权利要求20所述的方法,其特征在于,所述第一信息承载于用于指示激活所述第一带宽部分的高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  22. 根据权利要求13至21中任一项所述的方法,其特征在于,所述下行参考信号资源包括信道状态信息参考信号CSI-RS资源和/或同步信号/物理广播信道块。
  23. 一种终端设备,其特征在于,所述终端设备包括:
    第一确定单元,用于确定与第一带宽部分对应的第一下行参考信号资源组,所述第一下行参考信号资源组包括至少一个下行参考信号资源;
    第二确定单元,用于根据所述第一下行参考信号资源组中的下行参考信号资源对应的信号,确定在计算发送待传输上行数据的发送功率时所用的路损值。
  24. 根据权利要求23所述的终端设备,其特征在于,所述第一确定单元具体用于:
    根据带宽部分与下行参考信号资源组的映射关系,确定与所述第一带宽部分对应的所述第一下行参考信号资源组。
  25. 根据权利要求24所述的终端设备,其特征在于,所述映射关系包 括K个下行参考信号资源组与X个下行带宽部分的对应关系,K与X均为大于1的正整数,且K小于或等于X。
  26. 根据权利要求24或25所述的终端设备,其特征在于,所述映射关系包括为M个下行参考信号资源组与Y个上行带宽部分的对应关系,M与Y均为大于1的正整数。
  27. 根据权利要求24至26中任一项所述的终端设备,其特征在于,所述终端设备还包括:
    第一接收单元,用于接收网络设备发送的第一信息,所述第一信息用于指示激活所述第一带宽部分;
    所述第一确定单元根据带宽部分与下行参考信号资源组的映射关系,确定与所述第一带宽部分对应的所述第一下行参考信号资源组,具体包括:
    根据所述映射关系和所述第一带宽部分,确定与所述第一带宽部分对应的所述第一下行参考信号资源组。
  28. 根据权利要求27所述的终端设备,其特征在于,所述第一信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  29. 根据权利要求24至28中任一项所述的终端设备,其特征在于,所述终端设备还包括:
    第二接收单元,用于接收网络设备发送的第二信息,所述第二信息用于指示所述映射关系。
  30. 根据权利要求29所述的终端设备,其特征在于,所述第二信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  31. 根据权利要求23所述的终端设备,其特征在于,在终端设备确定与第一带宽部分对应的第一下行参考信号资源组之前,所述终端设备还包括:
    第三接收单元,用于接收网络设备发送的第三信息,所述第三信息用于指示与待激活的所述第一带宽部分对应的所述第一下行参考信号资源组;
    所述第一确定单元具体用于:
    根据所述第三信息,确定与所述第一带宽部分对应的所述第一下行参考信号资源组。
  32. 根据权利要求31所述的终端设备,其特征在于,所述第三信息承载于用于指示激活所述第一带宽部分的高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  33. 根据权利要求23至32中任一项所述的终端设备,其特征在于,所述下行参考信号资源包括信道状态信息参考信号CSI-RS资源和/或同步信号/物理广播信道块。
  34. 根据权利要求23至33中任一项所述的终端设备,其特征在于,所述终端设备还包括:
    第三确定单元,用于根据所述路损值,确定所述待传输上行数据的发送功率;
    发送单元,用于根据所述发送功率,发送所述待传输上行数据。
  35. 一种网络设备,其特征在于,所述网络设备包括:
    第一发送单元,用于网络设备向终端设备发送第一信息,所述第一信息用于所述终端设备确定与第一带宽部分对应的第一下行参考信号资源组,所述第一下行参考信号资源组中的下行参考信号资源对应的信号用于确定在所述终端设备计算发送待传输上行数据的发送功率所用的路损值,所述第一下行参考信号资源组包括至少一个下行参考信号资源。
  36. 根据权利要求35所述的网络设备,其特征在于,所述第一信息为带宽部分与下行参考信号资源组的映射关系。
  37. 根据权利要求36所述的网络设备,其特征在于,所述映射关系包括K个下行参考信号资源组与X个下行带宽部分的对应关系,K与X均为大于1的正整数,且K小于或等于X。
  38. 根据权利要求36或37所述的网络设备,其特征在于,所述映射关系包括为M个下行参考信号资源组与Y个上行带宽部分的对应关系,M与Y均为大于1的正整数。
  39. 根据权利要求35至38中任一项所述的网络设备,其特征在于,所述网络设备还包括:
    第二发送单元,用于向所述终端设备发送第二信息,所述第二信息用于指示激活所述第一带宽部分。
  40. 根据权利要求39所述的网络设备,其特征在于,所述第二信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI 中。
  41. 根据权利要求35至40中任一项所述的网络设备,其特征在于,所述第一信息承载于高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  42. 根据权利要求35所述的网络设备,其特征在于,所述第一信息用于指示与待激活的所述第一带宽部分对应的所述第一下行参考信号资源组。
  43. 根据权利要求42所述的网络设备,其特征在于,所述第一信息承载于用于指示激活所述第一带宽部分的高层信令、媒体接入控制MAC控制元素CE信令或下行控制信息DCI中。
  44. 根据权利要求35至43中任一项所述的网络设备,其特征在于,所述下行参考信号资源包括信道状态信息参考信号CSI-RS资源和/或同步信号/物理广播信道块。
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