WO2018058438A1 - 通信方法、终端设备和网络设备 - Google Patents
通信方法、终端设备和网络设备 Download PDFInfo
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- WO2018058438A1 WO2018058438A1 PCT/CN2016/100829 CN2016100829W WO2018058438A1 WO 2018058438 A1 WO2018058438 A1 WO 2018058438A1 CN 2016100829 W CN2016100829 W CN 2016100829W WO 2018058438 A1 WO2018058438 A1 WO 2018058438A1
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- resource pool
- terminal device
- resource
- network device
- determining
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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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
- H04W52/146—Uplink 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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
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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
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
Definitions
- the present application relates to the field of communications, and more particularly to a communication method, a terminal device, and a network device.
- the user equipment (User Equipment, UE) adopts an uplink scheduling request (SR) mechanism.
- SR uplink scheduling request
- the UE sends an uplink scheduling request to the base station, and informs the base station that the UE needs uplink resources for data transmission.
- the base station After receiving the scheduling request of the UE, the base station allocates certain resources to the UE, and the UE performs data transmission on the allocated resources.
- this mechanism leads to a large amount of signaling overhead.
- data can be transmitted in a contention-based manner. That is, the UE does not need to request the base station to allocate resources for data transmission through the scheduling request mode, but randomly selects data transmission from the resource pool.
- the embodiment of the present application provides a communication method, a terminal device, and a network device, which can improve communication performance.
- a communication method includes: determining, by a terminal device, a target resource pool from the at least two resource pools according to a status parameter of each of the at least two resource pools, where the status parameter is And indicating a resource usage status of the resource pool; the terminal device uses the resource of the target resource pool to communicate with the network device.
- the terminal device determines the target resource pool from the at least two resource pools according to the resource usage status of the resource pool, so that the target resource pool can be selected according to the specific usage of the resource pool, which can be avoided as much as possible.
- the impact on other terminal equipment, or the impact of other terminal equipment on its own data transmission In the process of competitive transmission, the impact on other terminal equipment, or the impact of other terminal equipment on its own data transmission.
- condition parameter comprises at least one of the following:
- the resource receiving power information of the resource pool includes at least one of the following:
- the average received power of the resources in the resource pool, and the degree of dispersion of the received power of the resources in the resource pool are the average received power of the resources in the resource pool, and the degree of dispersion of the received power of the resources in the resource pool.
- determining the target resource pool from the at least two resource pools includes:
- the target resource pool is determined from a resource pool in which the corresponding average received power of the at least two resource pools is less than or equal to an eighth threshold.
- determining the target resource pool from the at least two resource pools includes:
- the target resource pool is determined from a resource pool having the lowest average received power among the at least two resource pools.
- determining from the at least two resource pools Target resource pool including:
- the target resource pool is determined from the at least two resource pools according to the value obtained by the weighting process corresponding to each resource pool.
- determining the target resource pool from the at least two resource pools includes:
- the terminal device according to the status parameter, and according to at least one of a size of the data packet to be transmitted, a QoS level of the to-be-transmitted data packet, a transmission power of the to-be-transmitted data packet, and a downlink path loss, from the at least two The target resource pool is determined in the resource pool.
- the determining the target resource pool from the at least two resource pools includes:
- the terminal device is based on packet size, QoS class, transmit power, and downlink path loss and medium Corresponding relationship with at least one value range of the status parameter, and at least one according to the size of the data packet to be transmitted, the QoS level of the data packet to be transmitted, the transmission power of the data packet to be transmitted, and the downlink path loss Determining a numerical range of status parameters corresponding to the data packet to be transmitted;
- the resource pool of the value of the status parameter in the at least two resource pools belonging to the value range of the status parameter corresponding to the to-be-transmitted data packet is determined as the target resource pool.
- the method further includes:
- the method further includes:
- a communication method comprising:
- the terminal device determines the first transmit power according to a downlink path loss between the terminal device and the network device, and selecting a target resource pool for transmitting data;
- the terminal device sends data to the network device by using resources in the target resource pool according to the first transmit power.
- the terminal device determines the transmit power according to the downlink path loss between the terminal device and the network device, and selects a target resource pool for transmitting data, and the determination of the transmit power may be combined with the selected resource pool.
- the specific case for example, resource usage status
- the transmission power more suitable for the selected resource pool can be selected.
- the terminal device determines the first transmission according to a downlink path loss between the terminal device and the network device, and selecting a target resource pool for sending data.
- Power including:
- the terminal device determines a second transmit power according to a downlink path loss between the terminal device and the network device;
- the second transmit power is adjusted according to the adjustment parameter corresponding to the target resource pool, to obtain the first transmit power.
- the second transmit power is adjusted according to the adjustment parameter corresponding to the target resource pool, to obtain the Before the first transmit power, the method further includes:
- the status of the target resource pool is as follows. And determining an adjustment parameter corresponding to the target resource pool, where the status parameter is used to indicate a resource usage status of the resource pool.
- the method further includes:
- the terminal device receives the correspondence between the status parameter of the resource pool and the adjustment parameter sent by the network device.
- the second transmit power is adjusted according to the adjustment parameter corresponding to the target resource pool, Before the first transmit power is obtained, the method further includes:
- the adjustment parameter corresponding to the target resource pool is determined according to the correspondence between the resource pool and the adjustment parameter, where the status parameter is used to indicate the resource usage status of the resource pool.
- the method further includes:
- the terminal device receives the correspondence between the resource pool and the adjustment parameter sent by the network device.
- the terminal device is configured to send, according to the downlink path loss between the terminal device and the network device, The target resource pool of data, determining the first transmit power, including:
- the method further includes:
- the terminal device is configured to send, according to the downlink path loss between the terminal device and the network device, The target resource pool of data, determining the first transmit power, including:
- the terminal device determines the first transmit power according to a downlink path loss between the terminal device and the network device, a target resource pool, and a correspondence between a downlink path loss, a transmit power, and a resource pool.
- the method further includes:
- a communication method including:
- the terminal device determines the target resource pool according to the downlink path loss between the terminal device and the network device;
- the terminal device utilizes resources of the target resource pool to communicate with the network device.
- the terminal device can select the target resource pool according to the downlink path loss, so that the terminal with similar downlink path loss can select the same resource pool, and the transmission power can be selected according to the downlink path loss, so that the transmission can be implemented.
- the power approximation terminal selects the same resource pool, so that the near-far effect caused by the terminal having the same transmission power difference selecting the same resource pool can be avoided.
- the terminal device determines the target resource pool from the at least two resource pools according to the downlink path loss with the network device, including:
- the terminal device determines the target resource pool according to a downlink path loss with the network device and according to a correspondence between the downlink path loss and the resource pool.
- the method further includes:
- a communication method including:
- the network device acquires a status parameter of each of the at least two resource pools, where the status parameter is used to indicate a resource usage status of the resource pool.
- the network device sends the status parameter of each resource pool to the terminal device.
- the method further includes:
- the network device transmits, to the terminal device, a correspondence between at least one of a packet size, a QoS class, a transmit power, and a downlink path loss and a value range of the status parameter.
- a communication method including:
- the network device sends a correspondence between the downlink path loss and the resource pool to the terminal device, so that the terminal device determines the resource pool for sending the uplink data according to the downlink path loss between the network device and the corresponding relationship.
- a communication method including:
- the network device sends a correspondence between the resource pool and the adjustment parameter to the terminal device, so that the terminal device determines the adjustment parameter according to the correspondence relationship and the resource pool for transmitting the uplink data, and transmits the uplink data according to the determined adjustment parameter.
- the power is adjusted.
- the corresponding relationship between the resource pool and the adjustment parameter is determined according to a status parameter of the resource pool, where the status parameter is used to indicate resource usage status of the resource pool.
- a communication method including:
- the network device sends a correspondence between the downlink path loss, the transmit power, and the resource pool to the terminal device, so that the terminal device according to the target resource pool, the downlink path loss of the terminal device and the network device, and the corresponding relationship And determining a transmit power for transmitting uplink data to the network device.
- the correspondence between the downlink path loss, the transmit power, and the resource pool is determined according to a status parameter of the resource pool, where the status parameter is used to indicate a resource usage status of the resource pool.
- a communication method including:
- the network device sends a correspondence between the status parameter of the resource pool and the adjustment parameter to the terminal device, so that the terminal device determines the adjustment parameter according to the correspondence relationship and the status parameter of the resource pool for transmitting the uplink data, and determines the adjustment parameter according to the determined adjustment.
- the parameters adjust the power of transmitting uplink data.
- a communication method including:
- the network device sends a correspondence between the downlink path loss, the transmit power, and the status parameter of the resource pool to the terminal device, so that the terminal device is in accordance with the status parameter of the target resource pool, and the terminal device and the network device
- the downlink path loss, and the corresponding relationship determine the transmit power of transmitting the uplink data to the network device.
- a terminal device which may comprise a first implementation or a possible implementation of the first aspect, the second aspect, or any of the foregoing possible implementations, or the third aspect Or a unit of the method in one of the possible implementations.
- a network device comprising means for implementing the method of any one of the possible aspects of any one of the fourth aspect to the ninth aspect.
- a terminal device comprising a memory and a processor
- the memory is configured to store an instruction
- the processor is configured to execute the instruction stored by the memory
- the execution causes the processor to implement the method of any one of the first aspect to the third aspect or any one of the possible implementations.
- a network device comprising a memory and a processor, the memory for storing instructions for executing instructions stored by the memory, and when the processor executes the instructions stored by the memory The execution is such that the processor is used to implement the method of any one of the fourth aspect to the ninth aspect or any one of the possible implementations of any of the aspects.
- a storage medium is provided, the program medium storing program code for indicating that any one of the first aspect to the third aspect or any one of the possible implementations is implemented The method in the way.
- a storage medium is provided, the program medium storing program code for indicating that any one of the fourth aspect to the ninth aspect or any one of the possible implementations is implemented The method in the way.
- FIG. 1 is a diagram of an application scenario according to an embodiment of the present application.
- FIG. 2 is a schematic flowchart of a communication method according to an embodiment of the present application.
- FIG. 3 is a schematic flowchart of a communication method according to an embodiment of the present application.
- FIG. 4 is a schematic flowchart of a communication method according to an embodiment of the present application.
- FIG. 5 is a schematic flowchart of a communication method according to an embodiment of the present application.
- FIG. 6 is a schematic flowchart of a communication method according to an embodiment of the present application.
- FIG. 7 is a schematic flowchart of a communication method according to an embodiment of the present application.
- FIG. 8 is a schematic block diagram of a communication device in accordance with an embodiment of the present application.
- FIG. 9 is a schematic block diagram of a communication device in accordance with an embodiment of the present application.
- the size of the sequence number of each process does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiment of the present application.
- the implementation process constitutes any limitation.
- a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
- an application running on a computing device and a computing device can be a component.
- One or more components can reside within a process and/or execution thread, and the components can be located on one computer and/or distributed between two or more computers.
- these components can execute from various computer readable media having various data structures stored thereon.
- a component may, for example, be based on signals having one or more data packets (eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems) Communicate through local and/or remote processes.
- data packets eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems
- GSM Global System of Mobile Communication
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- UMTS Universal Mobile Telecommunication System
- the present application describes various embodiments in connection with a terminal device.
- the terminal device may also refer to a user equipment (User Equipment, referred to as "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 communication.
- UE User Equipment
- Device user agent, or user device.
- the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol ("SIP") phone, a wireless local loop (Wireless local loop) Local Loop, referred to as "WLL” station, Personal Digital Assistant (PDA), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, Wearable devices, terminal devices in future 5G networks, or terminal devices in future evolved PLMN networks.
- SIP Session Initiation Protocol
- WLL wireless local loop
- PDA Personal Digital Assistant
- the present application describes various embodiments in connection with a network device.
- the network device may be a device for communicating with the terminal device, for example, may be a base station (Base Transceiver Station, abbreviated as "BTS”) in the GSM system or CDMA, or may be a base station (NodeB in the WCDMA system, referred to as "NB") may also be an evolved base station (Evolutional Node B, "eNB” or "eNodeB”) in the LTE system, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and A network side device in a future 5G network or a network device in a future evolved PLMN network.
- BTS Base Transceiver Station
- NodeB base station
- eNodeB evolved base station
- eNodeB evolved base station
- the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and A network side
- a large number of connections need to consume more resources to access the UE and need to consume more resources for the transmission of scheduling signaling related to data transmission of the terminal device.
- FIG. 1 shows a schematic architectural diagram of a communication system to which an embodiment of the present application is applied.
- the communication system 100 can include a network device 102 and terminal devices 104-114 (referred to as UEs in the figure) connected by a wireless connection or a wired connection or other means.
- UEs terminal devices
- the network in the embodiment of the present application may refer to a public land mobile network (Public Land Mobile Network, abbreviated as "PLMN") or a D2D network or an M2M network or other network.
- PLMN Public Land Mobile Network
- FIG. 1 is only a simplified schematic diagram of an example, and the network may also include other Network equipment, not shown in Figure 1.
- the contention-based transmission can solve a large number of MTC-type services in the future network, and meet low-latency, highly reliable service transmission.
- the contention based transmission can be directed to uplink data transmission.
- contention-based transmissions may also be referred to as other names, such as autonomous access, spontaneous multiple access, or unauthorized transmission.
- a contention-based transmission may be understood to include, but is not limited to, any one of the following meanings, or multiple meanings, or a combination of some of the various technical meanings:
- the contention-based transmission may be: the network device pre-allocates and informs the terminal device of multiple transmission resources; when the terminal device has an uplink data transmission requirement, select at least one transmission resource from the plurality of transmission resources pre-allocated by the network device, and use the Selected transmission resources to send uplink data; network The device detects uplink data sent by the terminal device on one or more transmission resources of the pre-assigned multiple transmission resources. The detection may be blind detection, or may be performed according to one of the control domains in the uplink data, or may be detected in other manners.
- the contention-based transmission may be: the network device pre-allocates and informs the terminal device of multiple transmission resources, so that when the terminal device has an uplink data transmission requirement, at least one transmission resource is selected from a plurality of transmission resources pre-allocated by the network device.
- the uplink data is sent using the selected transmission resource.
- the contention-based transmission may be: acquiring information of a plurality of pre-assigned transmission resources, selecting at least one transmission resource from the plurality of transmission resources when the uplink data transmission request is required, and transmitting the uplink by using the selected transmission resource.
- data The method of obtaining can be obtained from a network device.
- the contention-based transmission may be: a method for realizing uplink data transmission of the terminal device without dynamic scheduling of the network device, where the dynamic scheduling may be indicated by signaling by the network device for each uplink data transmission of the terminal device.
- a scheduling method for transmitting resources may be: a method for transmitting resources.
- dynamic scheduling of network devices is not required and can also be understood as static, and/or semi-static scheduling.
- the "A and/or B" mentioned in the embodiment of the present application may represent A and B, or, A, or B, and will not be described again.
- the contention-based transmission may refer to: the terminal device performs uplink data transmission without requiring network device authorization.
- the authorization may be performed by the terminal device sending an uplink scheduling request to the network device. After receiving the scheduling request, the network device sends an uplink grant to the terminal device, where the uplink grant indicates the uplink transmission resource allocated to the terminal device.
- the contention-based transmission may refer to: specifically, multiple terminals can simultaneously perform uplink data transmission on the same time-frequency resources allocated in advance, without requiring the base station to perform authorization.
- the data may be included in service data or signaling data.
- the blind detection can be understood as the detection of data that may arrive without predicting whether or not data has arrived.
- the blind detection can also be understood as detection without explicit signaling indication.
- the transmission resource may include, but is not limited to, a combination of one or more of the following resources: a time domain resource, such as a radio frame, a subframe, a symbol, etc.; a frequency domain resource, such as a subcarrier, a resource block, etc.; a spatial domain resource, such as Sending antennas, beams, etc.; code domain resources, such as Sparse Code Multiple Access (SCMA) codebook group, Low Density Signature (LDS) group, CDMA Code group, etc.; uplink pilot resources; interleaving resources; channel coding mode.
- a time domain resource such as a radio frame, a subframe, a symbol, etc.
- a frequency domain resource such as a subcarrier, a resource block, etc.
- a spatial domain resource such as Sending antennas, beams, etc.
- code domain resources such as Sparse Code Multiple Access (SCMA) codebook group, Low Density Signature (LDS) group, CDMA Code group, etc.
- the above transmission resources may be transmitted according to a control mechanism including but not limited to the following: Line power control, such as uplink transmit power upper limit control; modulation and coding mode settings, such as transport block size, code rate, modulation order settings, etc.; retransmission mechanism, such as HARQ mechanism.
- Line power control such as uplink transmit power upper limit control
- modulation and coding mode settings such as transport block size, code rate, modulation order settings, etc.
- retransmission mechanism such as HARQ mechanism.
- the network device may broadcast multiple resource pools, and the terminal device may select a target resource pool from multiple resource pools that are broadcast, and select a transmission resource from the target resource pool to perform communication. How to choose a resource pool is an urgent problem to be solved.
- FIG. 2 is a schematic flowchart of a communication method 200 according to an embodiment of the present application. As shown in FIG. 2, the method 200 includes the following.
- the terminal device determines a target resource pool from the at least two resource pools according to a status parameter of each of the at least two resource pools, where the status parameter is used to indicate resource usage status of the resource pool, and You can determine the quality of service that the resource pool can provide.
- the network device may broadcast the status parameter of each resource pool, and the terminal device may select the target resource pool according to the status parameter broadcast by the network device.
- the network device can periodically broadcast the status parameters of each resource pool.
- the network device may broadcast the status parameter of the resource pool when the value of the status parameter of a resource pool changes by more than a certain value.
- the terminal device utilizes resources of the target resource pool to communicate with the network device.
- the status parameter of the resource pool may include a resource usage rate of the resource pool.
- the usage rate may refer to a ratio of resources occupied by the resource pool, where the usage rate may refer to a resource usage rate that is counted in a certain period of time, for example, a resource usage rate that is counted in one minute.
- the minimum unit of the time domain may be a radio frame, a subframe, a time slot, or an Orthogonal Frequency Division Multiplexing (OFDM) symbol, and the minimum frequency domain.
- the unit may be a subcarrier, for example, when the smallest unit of the time domain is a slot, the OFDM symbol is considered occupied as long as any one of the OFDM symbols of the slot is occupied.
- the status parameter of the resource pool may include a resource conflict rate.
- the resource conflict rate may refer to a ratio of resources that collide in the resource pool, and the collision refers to multiple resources selecting the same resource for uplink transmission.
- the resource collision rate may refer to a resource conflict rate that is counted in a certain period of time, and a resource usage rate that is counted in one minute.
- the minimum unit of the time domain may be a radio frame, a subframe, a slot, or an OFDM symbol
- the minimum unit of the frequency domain may be a subcarrier, for example, the minimum unit in the time domain is a sub-carrier.
- the subframe is considered to occur. collision.
- the status parameter of the resource pool may include the number of terminals that have been accessed in the resource pool, where the number of terminals may refer to the total number of terminals that the terminal device can detect, which may include a terminal that successfully transmits data, if it can be distinguished.
- the total number of terminals may further include the number of terminals that can be distinguished from each other.
- the status parameter of the resource pool may include delay information of data that has been transmitted by using the resource in the resource pool, where the delay information may be an average of data that has been transmitted by the resources of the plurality of terminal devices using the resource pool.
- Delay the delay corresponding to each terminal device may be the time when the terminal device sends a certain data packet until the data packet is successfully received, wherein if the first transmission of the data packet is unsuccessful, the data packet may continue to be sent. Until the network device successfully receives the packet.
- the status parameter of the resource pool may include response time information of the network device to the data that has been transmitted by using the resource in the resource pool, and the response time information may include an average of response times corresponding to the plurality of terminal devices, where each terminal The response time corresponding to the device may be the time from the time when the terminal device first transmits a certain data packet to the indication that the network device sends a successful/or failed reception for the data packet.
- the status parameter of the resource pool may include resource receiving power information in the resource pool.
- the resource receiving power information may be an average receiving power of resources in the resource pool, or information about the degree of dispersion of the received power of the resources in the resource pool.
- the information about the degree of dispersion of the received power of the resource may include a mean square error of the received power of the resource in the resource pool;
- the information on the degree of dispersion of the received power of the resource may include a ratio of resources that mutually receive a power difference greater than a predetermined value, and the like.
- the ratio of resources whose received power is greater than 20 dB is 10%, and the ratio of resources whose received power is less than 10 dB is 12%, and the ratio of resources whose mutual receiving power difference is greater than 10 dB is 22%.
- the status parameter of the resource pool may include an error rate of the used transported block in the resource pool, for example, BLER (Block error).
- BLER Block error
- the terminal device can utilize a status parameter mentioned above from multiple resource pools. Selecting a target resource pool may also select a target resource pool from a plurality of resource pools by combining at least two status parameters mentioned above.
- the terminal device specifically considers which condition parameter, and can be determined according to the type of service currently transmitted. For example, if the current service type has a higher delay requirement, the resource pool with the lowest delay can be selected, for example, the current service type pair. If the success rate of the transmission is high, you can choose the resource pool with the lowest dispersion or the resource pool with the lowest error rate.
- the terminal device selects the target resource pool from the plurality of resource pools by using the status parameter mentioned above, and may directly select the target resource pool from the plurality of resource pools, and may also use the status parameter.
- the obtained other value, the target resource pool is selected, for example, the resource usage rate and the resource conflict rate are used to determine the target resource pool, which may be the sum of the resource usage rate and the resource conflict rate (where the network device may use the terminal device resource usage rate) Determine the target resource pool with the sum of the resource conflict rates.
- the terminal device can select a resource pool with a lower resource usage rate.
- the resource pool with the lowest resource usage rate may be determined as the target resource pool, or the target resource pool may be selected from the resource pool whose resource usage rate is less than or equal to a predetermined threshold.
- the terminal device can select a resource pool with a lower resource collision rate.
- the resource pool with the lowest resource conflict rate may be determined as the target resource pool, or the target resource pool may be selected from the resource pool whose resource conflict rate is less than or equal to a predetermined threshold.
- the terminal device may select a resource pool with a smaller number of accessed terminals in the resource pool.
- the resource pool with the smallest number of accessed terminals may be determined as the target resource pool, or the target resource pool may be selected from the resource pool in which the number of accessed terminals is less than or equal to a predetermined threshold.
- the terminal device can select a resource pool with a lower latency.
- the resource pool with the lowest latency is determined as the target resource pool, or the target resource pool is selected from the resource pool whose corresponding delay is less than or equal to the predetermined threshold.
- the terminal device can select a resource pool with a shorter response time.
- the resource pool with the shortest response time may be determined as the target resource pool, or the target resource pool may be selected from the resource pool whose response time is shorter than or equal to a predetermined threshold.
- the terminal device can select a resource pool with a lower error rate.
- the resource pool with the lowest error rate may be determined as the target resource pool, or from the resource pool whose error rate is less than or equal to a predetermined threshold. Select the target resource pool.
- the terminal device may select to receive a resource pool with a lower degree of power dispersion.
- the resource pool with the lowest degree of dispersion of the received power may be determined as the target resource pool, or the target resource pool may be selected from the resource pool whose received power dispersion degree is less than or equal to a predetermined threshold.
- the terminal device can select a resource pool with a lower average received power.
- the resource pool with the lowest average received power may be selected as the target resource pool, or the target resource pool may be selected from the resource pool whose received power is less than or equal to a predetermined threshold.
- the terminal device when the terminal device considers at least two status parameters, performing at least two status parameters corresponding to each of the at least two resource pools in the same dimension; Performing a weighting process on the converted at least two condition parameters of the same dimension corresponding to each resource pool; determining the target from the at least two resource pools according to the value obtained by the weighting process corresponding to each resource pool Resource pool.
- the resource usage rate of each resource pool can be converted into a value of 0 to 100 according to the resource usage rate, and the response of each resource pool is used.
- the time is converted into a value of 0 to 100; the converted resource usage rate and the response time are weighted, and the target resource pool is selected from the plurality of resource pools according to the weighted processed value, for example, the weighted processing may be performed.
- the resource pool with the smallest value is determined as the target resource pool, and the weight corresponding to each status parameter may be determined according to actual conditions.
- the terminal device may combine the size of the data packet to be transmitted, the quality of service (QoS) of the data packet to be transmitted, and the data to be transmitted.
- the target resource pool is determined by at least one of a transmit power of the packet and a downlink path loss between the terminal device and the network device.
- the correspondence between the at least one of the size of the data packet, the QoS level of the data packet, the transmit power, and the downlink path loss and the value range of the status parameter may be determined according to the correspondence between the value range of the data parameter and the value range of the status parameter.
- the value range of the size of the data packet, the QoS of the data packet to be transmitted, the transmission power of the data packet to be transmitted, and the status parameter corresponding to at least one of the downlink path loss of the terminal device and the network device, and the value of the status parameter belongs to The resource pool for this range of values is determined as the target resource pool.
- the meaning of the foregoing correspondence may be: when the data packet size is larger than size i, the resource usage rate cannot be greater than m i .
- the packet sizes are arranged from large to small; resource usage or conflict rates are arranged from small to large.
- the meaning of the above correspondence may be that when the QoS class of the data packet is class i, the transmission delay or response time cannot be greater than T i; wherein the QoS class is arranged from large to small; the transmission delay/response time is arranged from small to large.
- the meaning of the above correspondence may be that when the QoS class of the data packet is class i, the average received power cannot be greater than T i; wherein the QoS levels are arranged from large to small; the average received power is arranged from small to large.
- the meaning of the above correspondence may be that when the QoS class of the data packet is class i, the error rate of the transmitted block cannot be greater than T i; wherein the QoS level is arranged from large to small; the error rate of the transmitted block is arranged from small to large.
- the size of the data packet and the QoS level of the data packet and the status parameter may have the following relationship:
- resource usage is inversely related to the size of the packet.
- the resource conflict rate is inversely related to the size of the packet.
- the terminal data that has been accessed in the resource pool is inversely related to the size of the data packet.
- resource usage is inversely related to the size of the QoS class of the packet.
- the resource collision rate is inversely related to the size of the QoS class of the packet.
- the latency of data that has been transmitted using resources in a resource pool is inversely related to the QoS class of the packet.
- the terminal data that has been accessed in the resource pool is inversely related to the QoS level of the data packet.
- the response time of a network device to data that has been transmitted using resources in a resource pool is inversely related to the QoS level of the data packet.
- the error rate of the transported block is inversely related to the QoS class of the packet.
- the degree of dispersion of the received power of the resources in the resource pool is inversely related to the QoS level of the data packet.
- the average received power of a resource in a resource pool is inversely related to the QoS level of the data packet.
- the negative correlation between A and B may refer to the correlation between A and B in the case of hypothesis (which does not mean that it is not considered, only a hypothesis), among them, negative. Correlation means that the larger A is, the smaller B is.
- the negative correlation between A and B can be the correlation between the range of values.
- the range of A is [a b], [c d], where b is greater than c, and the value of B corresponding to [a b] (or the value in the range of values) is greater than the value of B corresponding to [c d] (or the value in the range of values).
- the network device may send, to the terminal device, a status parameter of the resource pool and/or a size of the data packet, a QoS of the data packet, a transmit power, and a downlink path loss. At least one corresponding to the value range of the status parameter, so that the terminal device can select the target resource pool from the at least two resource pools according to the status parameter and/or the corresponding relationship sent by the network device.
- steps 230 and 240 shown in FIG. 3 may alternatively exist or may exist.
- the terminal device determines the target resource pool from the at least two resource pools according to the resource usage status of the resource pool, so that the target resource pool can be selected according to the specific usage of the resource pool, which can be avoided as much as possible.
- the impact on other terminal equipment, or the impact of other terminal equipment on its own data transmission In the process of competitive transmission, the impact on other terminal equipment, or the impact of other terminal equipment on its own data transmission.
- FIG. 4 is a schematic flowchart of a communication method 300 according to an embodiment of the present application. As shown in FIG. 4, the method includes the following.
- the terminal device determines the first transmit power according to a downlink path loss between the terminal device and the network device, and a target resource pool selected for transmitting data.
- the terminal device sends data to the network device by using resources in the target resource pool according to the first transmit power.
- the terminal device determines the second transmit power according to the downlink path loss between the terminal device and the network device, and the second transmit power according to the adjustment parameter corresponding to the target resource pool. Adjustment is made to obtain the first transmission power.
- the terminal device may determine, according to the correspondence between the resource pool and the adjustment parameter, an adjustment parameter corresponding to the target resource pool.
- the adjustment parameter corresponding to resource pool 1 is 10 db
- the adjustment parameter corresponding to resource pool 2 is 30 db
- the adjustment parameter corresponding to resource pool 3 is -10 db
- the transmission power obtained by the terminal device according to the path loss is 70 db.
- the transmission power of the terminal device for transmitting the uplink data is 80 db.
- the transmission power of the terminal device for transmitting the uplink data is 100 db.
- the terminal device is configured to send the uplink.
- the data transmission power is 60db.
- the network device may send a correspondence between the resource pool and the adjustment parameter to the terminal device (330), where the terminal device may determine according to the corresponding relationship transmitted by the network device. Adjustment parameters used to adjust the transmit power.
- the corresponding relationship between the resource pool and the adjustment parameter may be determined by the network device according to the status parameter of the resource pool, for example, the resource usage rate and the resource conflict rate of the resource pool.
- the adjustment parameter is 0db.
- the adjustment parameter is 10db, and the resource usage rate is greater than 50%.
- the adjustment parameter is 30 db.
- the terminal device may determine, according to the correspondence between the status parameter of the resource pool and the adjustment parameter, and the status parameter of the target resource pool, the adjustment parameter corresponding to the target resource pool.
- the terminal device may select an adjustment parameter that matches the usage rate, for example, 10 db, the terminal device may be based on The downlink transmission loss is obtained by subtracting 10 db from the transmission power obtained by the downlink path loss, thereby obtaining the final transmission power.
- the network device may send, to the terminal device, a status parameter of the resource pool, and a correspondence between the status parameter of the resource pool and the adjustment parameter (340).
- the terminal device according to the target resource pool, the downlink path loss between the terminal device and the network device, and the correspondence between the resource pool, the downlink path loss, and the transmit power. Relationship, determining the first transmit power.
- the corresponding downlink path loss and the transmit power may be corresponding to each other.
- the terminal device may determine, according to the target resource pool, a downlink path corresponding to the target resource pool. The corresponding relationship between the loss and the transmit power, thereby determining the transmit power according to the determined correspondence between the downlink path loss and the transmit power, and the determined downlink path loss.
- the same downlink path loss can correspond to different transmit powers for different resource pools.
- the corresponding transmit power of resource pool 1 is lower than the transmit power of resource pool 2.
- the correspondence between the resource pool, the downlink path loss, and the transmit power may be determined by the network device according to a status parameter of the resource pool, for example, a resource usage rate and a collision rate of the resource pool.
- the resource usage of resource pool 1 is 70%, and the usage rate of resource pool 2 is 30%.
- the base station configures the transmit power of resource pool 1 to be lower than the transmit power configured for resource pool 2. .
- the network device may send a correspondence between the resource pool, the downlink path loss, and the transmit power to the terminal device (350).
- the terminal device according to the status parameter of the target resource pool, the downlink path loss between the terminal device and the network device, and the loss according to the downlink path
- the first transmit power is determined by a correspondence between the transmit power and the status parameter of the resource pool.
- the value (or range) of the different status parameters of the resource pool corresponds to the corresponding relationship between the downlink path loss and the transmit power
- the terminal device can select the downlink path loss and the transmit power according to the status parameter of the target resource pool.
- Corresponding relationship thereby determining the transmit power according to the determined correspondence between the downlink path loss and the transmit power, and the determined downlink path loss.
- the same downlink path loss, the value (or range) of different resource pool status parameters can correspond to different transmit power.
- the resource usage rate of resource pool 1 is 70%, and the usage rate of resource pool 2 is 30%.
- the transmission power corresponding to resource pool 1 is lower than the transmission power corresponding to resource pool 2.
- the network device may send, to the terminal device, a correspondence between the downlink path loss, the transmit power, and the status parameter of the resource pool, and the status of the resource pool.
- steps 330-360 shown in FIG. 5 may alternatively exist or may exist or partially exist.
- the terminal device determines the transmit power according to the downlink path loss between the terminal device and the network device, and selects a target resource pool for transmitting data, and the determination of the transmit power may be combined with the selected resource pool.
- the specific case for example, resource usage status
- the transmission power more suitable for the selected resource pool can be selected.
- FIG. 6 is a schematic flowchart of a communication method 400 according to an embodiment of the present application. As shown in FIG. 6, the communication method 400 includes the following.
- the terminal device determines a target resource pool according to a downlink path loss between the terminal device and the network device.
- the terminal device determines the target resource pool according to a downlink path loss with the network device and according to a correspondence between the downlink path loss and the resource pool.
- the corresponding path loss is -20 to -30 dB; for resource pool 2, the corresponding path loss is -30 to -40 dB. Then, for a terminal device with a downlink path loss of -20 to -30 dB, a resource pool 1 and a downlink device with a downlink path loss of -30 to -40 dB can be selected, and resource pool 2 can be selected.
- the network device may send a correspondence between the downlink path loss and the resource pool to the terminal device (430).
- the terminal device can use the correspondence to determine the target resource pool.
- the terminal device utilizes resources of the target resource pool to communicate with the network device.
- the terminal device can select the target resource pool according to the downlink path loss, so that the terminal with similar downlink path loss can select the same resource pool, and the transmission power can be selected according to the downlink path loss, so that the transmission can be implemented.
- the power approximation terminal selects the same resource pool, so that the near-far effect caused by the terminal having the same transmission power difference selecting the same resource pool can be avoided.
- FIG. 8 is a schematic block diagram of a communication device 500 in accordance with an embodiment of the present application.
- the communication device 500 can include a determining unit 510 and a communication unit 520.
- the communication device 500 can be a terminal device or can be a network device.
- the communication device 500 will be described as an example of a terminal device.
- the determining unit 510 is configured to determine a target resource pool from the at least two resource pools according to a status parameter of each of the at least two resource pools, where the status parameter is used to indicate the resource pool. a resource usage status; the communication unit 520 is configured to use the resource of the target resource pool to communicate with the network device.
- the status parameter includes at least one of the following: a resource usage rate of the resource pool, a resource conflict ratio of the resource pool, a number of terminals accessed in the resource pool, resource receiving power information of the resource pool, The delay of the data that has been transmitted using the resources in the resource pool, the response time of the network device to the data that has been transmitted using the resources in the resource pool, and the error rate of the transported block using the resources in the resource pool.
- the resource receiving power information of the resource pool includes at least one of the following: an average received power of the resources in the resource pool, and information about the degree of dispersion of the received power of the resources in the resource pool.
- the determining unit 510 is further configured to: determine the target resource pool from a resource pool in which the resource usage rate of the at least two resource pools is less than or equal to the first threshold; or, the at least two resources Determining the target resource pool in the resource pool in which the corresponding resource conflict rate in the pool is less than or equal to the second threshold; or, in the resource pool in which the number of terminals that have been accessed in the at least two resource pools is less than or equal to the third threshold, Determining the target resource pool; or determining the target resource pool from a resource pool in which the corresponding response time of the at least two resource pools is less than or equal to a fourth threshold; or, corresponding to the at least two resource pools Determining the target resource pool in the resource pool whose delay time is less than or equal to the fifth threshold; or determining the target resource from the resource pool in which the corresponding received power dispersion degree of the at least two resource pools is less than or equal to the sixth threshold.
- the determining unit 510 is further configured to: determine, by using the resource pool with the lowest resource usage rate of the at least two resource pools as the target resource pool; or, corresponding to the at least two resource pools The resource pool with the lowest resource conflict rate is determined as the target resource pool; or the resource pool with the lowest number of terminals that have been accessed from the at least two resource pools is determined as the target resource pool; or, at least The resource pool with the lowest response time in the two resource pools is determined as the target resource pool; or the resource pool with the lowest delay time corresponding to the at least two resource pools is determined as the target resource pool; or Determining, in the at least two resource pools, the resource pool with the lowest degree of dispersion of the received power as the target resource pool; or, the resource pool having the lowest error rate of the corresponding transported block in the at least two resource pools And determining the target resource pool; or determining the target resource pool from the resource pool with the lowest average received power of the at least two resource pools.
- the determining unit 510 is further configured to perform the same dimension conversion on the at least two status parameters corresponding to each of the at least two resource pools;
- the converted at least two status parameters corresponding to each resource pool are weighted; and the target resource pool is determined from the at least two resource pools according to the value obtained by the weighting processing corresponding to each resource pool.
- the determining unit 510 is further configured to: according to the status parameter, and according to a size of the to-be-transmitted data packet, a QoS level of the to-be-transmitted data packet, a transmit power of the to-be-transmitted data packet, and a downlink path loss. At least one of determining the target resource pool from the at least two resource pools.
- the determining unit 510 is further configured to: according to a correspondence between at least one of a data packet size, a QoS level, a transmit power, and a downlink path loss, and a value range of the status parameter, and according to the data packet to be transmitted. Determining, by at least one of a size, a QoS level of the data packet to be transmitted, a transmission power of the data packet to be transmitted, and a downlink path loss, determining a numerical range of the status parameter corresponding to the data packet to be transmitted; The value of the status parameter in the pool belongs to the resource pool of the value range of the status parameter corresponding to the data packet to be transmitted, and is determined as the target resource pool.
- the communication unit 520 is further configured to: receive the corresponding relationship sent by the network device.
- the communication unit 520 is further configured to: receive the status parameter sent by the network device. number.
- the communication device 500 can perform the operations performed by the terminal device in the method 200 and its various embodiments, and will not be further described herein for brevity.
- the communication device 500 will be described as an example of another terminal device.
- the determining unit 510 is configured to determine a first transmit power according to a downlink path loss between the terminal device and the network device, and select a target resource pool for transmitting data
- the communication unit 520 is configured to use, according to the first A transmit power that utilizes resources in the target resource pool to send data to the network device.
- the determining unit 510 is further configured to: determine, according to a downlink path loss between the terminal device and the network device, a second transmit power; perform the second transmit power according to an adjustment parameter corresponding to the target resource pool. Adjust to obtain the first transmit power.
- the determining unit 510 is further configured to: according to a relationship between a status parameter of the resource pool and an adjustment parameter, a status parameter of the target resource pool, and an adjustment parameter corresponding to the target resource pool, where the status parameter is used. Indicates the resource usage of the resource pool.
- the communication unit 520 is further configured to: receive a correspondence between a status parameter of the resource pool and an adjustment parameter sent by the network device.
- the determining unit 510 is further configured to: determine, according to a correspondence between the resource pool and the adjustment parameter, an adjustment parameter corresponding to the target resource pool, where the status parameter is used to indicate a resource usage status of the resource pool.
- the communication unit 520 is further configured to: receive a correspondence between the resource pool and the adjustment parameter sent by the network device.
- the determining unit 510 is further configured to: according to a status parameter of the target resource pool, a downlink path loss between the terminal device and the network device, and a downlink path loss, a transmit power, and a status parameter of the resource pool.
- the first transmit power is determined by the correspondence between the two, wherein the status parameter is used to indicate a resource usage status of the resource pool.
- the communication unit 520 is further configured to: receive a correspondence between the downlink path loss, the transmit power, and the status parameter of the resource pool sent by the network device.
- the determining unit 510 is further configured to: according to a downlink path loss between the terminal device and the network device, the target resource pool, and a correspondence between a downlink path loss, a transmit power, and a resource pool, The first transmit power is determined.
- the communication unit 520 is further configured to: receive a correspondence between the downlink path loss, the transmit power, and the resource pool sent by the network device.
- the communication device can perform operations performed by the terminal device in the method 300 and its various embodiments, and details are not described herein for brevity.
- the communication device 500 is taken as an example of another terminal device.
- the determining unit 510 is configured to determine a target resource pool according to a downlink path loss between the terminal device and the network device, and the communication unit 520 is configured to use the resource of the target resource pool to communicate with the network device.
- the determining unit 510 is further configured to: determine the target resource pool according to a downlink path loss with the network device, and according to a correspondence between the downlink path loss and the resource pool.
- the communication unit 520 is further configured to: receive the corresponding relationship sent by the network device.
- the communication device 500 can perform operations performed by the terminal device in the method 400 and various embodiments thereof, and details are not described herein for brevity.
- the communication device 500 will be described as an example of a network device.
- the determining unit 510 is configured to determine a status parameter of each of the at least two resource pools, where the status parameter is used to indicate a resource usage status of the resource pool.
- the communication unit 520 is configured to send the status parameter of each resource pool to the terminal device.
- the communication unit 520 is further configured to: send, to the terminal device, a correspondence between at least one of a data packet size, a QoS class, a transmit power, and a downlink path loss, and a value range of the status parameter.
- the communication device 500 will be described as an example of another network device.
- the determining unit 510 is configured to determine a correspondence between the downlink path loss and the resource pool;
- the communication unit 520 is configured to send the correspondence to the terminal device, so that the terminal device determines a resource pool for sending uplink data according to the downlink path loss between the network device and the corresponding relationship.
- the communication device 500 will be described as an example of another network device.
- the determining unit 510 is configured to determine a correspondence between the resource pool and the adjustment parameter
- the communication unit 520 is configured to send the correspondence to the terminal device, so that the terminal device determines the adjustment parameter according to the correspondence and the resource pool for transmitting the uplink data, and sends the uplink data according to the determined adjustment parameter. Make adjustments.
- the corresponding relationship between the resource pool and the adjustment parameter is determined according to a status parameter of the resource pool, where the status parameter is used to indicate a resource usage status of the resource pool.
- the communication device 500 will be described as an example of another network device.
- the determining unit 510 is configured to determine a correspondence between the downlink path loss, the transmit power, and the resource pool;
- the communication unit 520 is configured to send the correspondence to the terminal device, so that the terminal device determines to send uplink data to the network device according to the target resource pool, the downlink path loss of the terminal device and the network device, and the corresponding relationship. Transmit power.
- the correspondence between the downlink path loss, the transmit power, and the resource pool is determined according to a status parameter of the resource pool, where the status parameter is used to indicate a resource usage status of the resource pool.
- the communication device 500 will be described as an example of another network device.
- the determining unit 510 is configured to determine a correspondence between the status parameter of the resource pool and the adjustment parameter
- the communication unit 520 is configured to send the correspondence to the terminal device, so that the terminal device is used according to the correspondence and
- the status parameter of the resource pool for transmitting the uplink data determines an adjustment parameter, and adjusts the power of transmitting the uplink data according to the determined adjustment parameter.
- the communication device 500 will be described as an example of another network device.
- the determining unit 510 is configured to determine a correspondence between the downlink path loss, the transmit power, and the status parameter of the resource pool.
- the communication unit 520 is configured to send the correspondence to the terminal device, so as to facilitate the terminal.
- the device determines, according to a status parameter of the target resource pool, a downlink path loss between the terminal device and the network device, and the corresponding relationship, determining a transmit power for transmitting uplink data to the network device.
- FIG. 9 is a schematic block diagram of a communication device 600 in accordance with an embodiment of the present application.
- 600 packs of this device A processor 610, a memory 620, and a transceiver 630 are included.
- the memory 620 is configured to store program instructions.
- the processor 610 can call program instructions stored in the memory 620.
- the transceiver 630 is for external communication.
- the device 600 further includes a bus system 640 that interconnects the processor 610, the memory 620, and the transceiver 630.
- the communication device can be a terminal device or a network device.
- the communication device 600 will be described as an example of a terminal device.
- the processor 610 can invoke an instruction in the memory 620 to perform the following operations:
- the transceiver 630 utilizes resources of the target resource pool to communicate with the network device.
- the status parameter includes at least one of the following:
- the resource usage rate of the resource pool The resource usage rate of the resource pool, the resource conflict rate of the resource pool, the number of terminals accessed in the resource pool, the resource receiving power information of the resource pool, and the delay of data transmitted using resources in the resource pool, The response time of the network device to the data that has been transmitted using the resources in the resource pool, and the error rate of the transmitted block using the resources in the resource pool.
- the resource receiving power information of the resource pool includes at least one of the following:
- the average received power of the resources in the resource pool, and the degree of dispersion of the received power of the resources in the resource pool are the average received power of the resources in the resource pool, and the degree of dispersion of the received power of the resources in the resource pool.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the target resource pool is determined from a resource pool in which the corresponding average received power of the at least two resource pools is less than or equal to an eighth threshold.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the target resource pool is determined from a resource pool having the lowest average received power among the at least two resource pools.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the at least two status parameters corresponding to each of the at least two resource pools are converted in the same dimension; the converted at least two corresponding to each resource pool The status parameters are weighted; and the target resource pool is determined from the at least two resource pools according to the value obtained by the weighting process corresponding to each resource pool.
- the processor 610 may invoke an instruction in the memory 620 to further perform the following operations. Make:
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the resource pool of the value of the status parameter in the at least two resource pools belonging to the value range of the status parameter corresponding to the to-be-transmitted data packet is determined as the target resource pool.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the corresponding relationship sent by the network device is received by the transceiver 630.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the status parameter sent by the network device is received by the transceiver 630.
- the communication device 600 can perform the operations performed by the terminal device in the method 200 and various embodiments thereof, and details are not described herein for brevity.
- the communication device 600 will be described as an example of a terminal device.
- the processor 610 can invoke an instruction in the memory 620 to perform the following operations:
- the data in the target resource pool is used to send data to the network device through the transceiver 630.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the second transmit power is adjusted according to the adjustment parameter corresponding to the target resource pool, to obtain the first transmit power.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the status parameter of the target resource pool determines an adjustment parameter corresponding to the target resource pool according to the relationship between the status parameter of the resource pool and the adjustment parameter, where the status parameter is used to indicate the resource usage status of the resource pool.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the transceiver 630 receives the correspondence between the status parameter of the resource pool and the adjustment parameter sent by the network device.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the adjustment parameter corresponding to the target resource pool is determined according to the correspondence between the resource pool and the adjustment parameter, where the status parameter is used to indicate the resource usage status of the resource pool.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the corresponding relationship between the resource pool and the adjustment parameter sent by the network device is received by the transceiver 630.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the transceiver 630 receives the correspondence between the downlink path loss, the transmit power, and the status parameter of the resource pool sent by the network device.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the target resource pool is And determining the first transmit power by the correspondence between the downlink path loss, the transmit power, and the resource pool.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the transceiver 630 receives the correspondence between the downlink path loss, the transmit power, and the resource pool sent by the network device.
- the communication device 600 can perform operations performed by the terminal device in the method 300 and its various embodiments, and details are not described herein for brevity.
- the communication device 600 will be described as an example of a terminal device.
- the processor 610 can invoke an instruction in the memory 620 to perform the following operations:
- the resources of the target resource pool are utilized to communicate with the network device through the transceiver 630.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the target resource pool is determined according to a downlink path loss with the network device and according to a correspondence between the downlink path loss and the resource pool.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- the corresponding relationship sent by the network device is received by the transceiver 630.
- the communication device 600 can perform operations performed by the terminal device in the method 400 and various embodiments thereof, and details are not described herein for brevity.
- the following is an example in which the communication device 600 is a network device.
- the processor 610 can invoke an instruction in the memory 620 to perform the following operations:
- the status parameter of each resource pool is sent to the terminal device through the transceiver 630.
- the processor 610 can call the instructions in the memory 620 to further perform the following operations:
- Transmitting by the transceiver 630, a packet size, a QoS class, a transmission power, and A correspondence between at least one of the downlink path losses and a numerical range of the status parameter.
- the following is an example in which the communication device 600 is a network device.
- the processor 610 can invoke an instruction in the memory 620 to perform the following operations:
- the corresponding relationship between the downlink path loss and the resource pool is sent to the terminal device by the transceiver 630, so that the terminal device determines the resource pool for transmitting the uplink data according to the downlink path loss between the network device and the corresponding relationship.
- the following is an example in which the communication device 600 is a network device.
- the processor 610 can invoke an instruction in the memory 620 to perform the following operations:
- the corresponding relationship between the resource pool and the adjustment parameter is sent to the terminal device by the transceiver 630, so that the terminal device determines the adjustment parameter according to the corresponding relationship and the resource pool for transmitting the uplink data, and transmits the uplink according to the determined adjustment parameter.
- the power of the data is adjusted.
- the corresponding relationship between the resource pool and the adjustment parameter is determined according to a status parameter of the resource pool, where the status parameter is used to indicate resource usage status of the resource pool.
- the following is an example in which the communication device 600 is a network device.
- the processor 610 can invoke an instruction in the memory 620 to perform the following operations:
- the correspondence between the downlink path loss, the transmit power, and the resource pool is determined according to a status parameter of the resource pool, where the status parameter is used to indicate a resource usage status of the resource pool.
- the following is an example in which the communication device 600 is a network device.
- the processor 610 can invoke an instruction in the memory 620 to perform the following operations:
- the corresponding relationship between the status parameter of the resource pool and the adjustment parameter is sent to the terminal device by the transceiver 630, so that the terminal device determines the adjustment parameter according to the correspondence relationship and the status parameter of the resource pool for transmitting the uplink data, and determines the adjustment parameter according to the determination.
- Adjustment parameter for the power of transmitting uplink data Make adjustments.
- the following is an example in which the communication device 600 is a network device.
- the processor 610 can invoke an instruction in the memory 620 to perform the following operations:
- the transceiver 630 sends a correspondence between the downlink path loss, the transmit power, and the status parameter of the resource pool to the terminal device, so that the terminal device and the network device according to the status parameter of the target resource pool.
- the downlink path loss between the network path and the corresponding relationship determine the transmit power of the uplink data to the network device.
- the processor may be a Central Processing Unit ("CPU"), a Network Processor ("NP”), or a combination of a CPU and an NP.
- the processor may further include a hardware chip.
- the hardware chip may be an Application-Specific Integrated Circuit (“ASIC”), a Programmable Logic Device (PLD), or a combination thereof.
- the PLD may be a Complex Programmable Logic Device (CPLD), a Field-Programmable Gate Array (FPGA), and a Generic Array Logic (Generic Array Logic). Referred to as "GAL” or any combination thereof.
- the memory can be either volatile memory or non-volatile memory, or can include both volatile and non-volatile memory.
- the non-volatile memory may be a read-only memory (Read-Only Memory, abbreviated as "ROM”), a programmable read only memory (Programmable ROM, abbreviated as "PROM”), and an erasable programmable read only memory ( Erasable PROM (abbreviated as "EPROM”), electrically erasable programmable read only memory (“EEPROM”) or flash memory.
- ROM Read-Only Memory
- PROM programmable read only memory
- EPROM erasable programmable read only memory
- EEPROM electrically erasable programmable read only memory
- flash memory electrically erasable programmable read only memory
- the volatile memory may be a Random Access Memory (RAM), which is used as an external cache.
- the bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus.
- a power bus may include a power bus, a control bus, and a status signal bus in addition to the data bus.
- a control bus may include a control bus, and a status signal bus in addition to the data bus.
- a status signal bus in addition to the data bus.
- only one thick line is used to indicate the bus system, but it does not mean that there is only one bus or one type of bus.
- the embodiment of the present application provides a computer readable medium for storing a computer program, the computer program comprising a communication method for performing the above.
- the readable medium may be a ROM or a RAM, which is not limited in this embodiment of the present application.
- 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 Can be integrated 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.
- the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
- 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 Several instructions are used to make a computer device (which can be a personal computer, a server, Either a network device or the like) performs all or part of the steps of the method described in the 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.
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Abstract
Description
Claims (64)
- 一种通信方法,其特征在于,包括:终端设备根据至少两个资源池中每个资源池的状况参数,从所述至少两个资源池中确定目标资源池,其中,所述状况参数用于指示所述资源池的资源使用状况;所述终端设备利用所述目标资源池的资源,与网络设备进行通信。
- 根据权利要求1所述的方法,其特征在于,所述状况参数包括以下中的至少一种:所述资源池的资源使用率、所述资源池的资源冲突率、所述资源池内已接入的终端数量、所述资源池的资源接收功率信息、使用所述资源池中的资源已传输的数据的时延、网络设备对利用所述资源池中的资源已传输的数据的响应时间、和使用所述资源池中的资源已传输的块的差错率。
- 根据权利要求2所述的方法,其特征在于,所述资源池的资源接收功率信息包括以下中的至少一种:所述资源池中的资源的平均接收功率,和所述资源池中的资源的接收功率的离散程度信息。
- 根据权利要求1至3中任一项所述的方法,其特征在于,所述从所述至少两个资源池中确定目标资源池,包括:将从所述至少两个资源池中对应的资源使用率小于等于第一阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的资源冲突率小于等于第二阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中已接入的终端数量小于等于第三阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的响应时间小于等于第四阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的时延时间小于等于第五阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的接收功率离散程度小于等于第六阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的已传输块的差错率小于等于第七阈 值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的平均接收功率小于等于第八阈值的资源池中,确定所述目标资源池。
- 根据权利要求1至3中任一项所述的方法,其特征在于,所述从所述至少两个资源池中确定目标资源池,包括:将所述至少两个资源池中对应的资源使用率最低的资源池,确定为所述目标资源池;或将从所述至少两个资源池中对应的资源冲突率最低的资源池,确定为所述目标资源池;或将从所述至少两个资源池中已接入的终端数量最低的资源池,确定为所述目标资源池;或将从所述至少两个资源池中对应的响应时间最低的资源池,确定为所述目标资源池;或将从所述至少两个资源池中对应的时延时间最低的资源池,确定为所述目标资源池;或将所述至少两个资源池中对应的所述接收功率离散程度最低的资源池,确定为所述目标资源池;或将所述至少两个资源池中对应的已传输块的差错率最低的资源池,确定为所述目标资源池;或将从所述至少两个资源池中对应的平均接收功率最低的资源池中,确定所述目标资源池。
- 根据权利要求1至3中任一项所述的方法,其特征在于,在所述状况参数包括至少两种参数时,所述从所述至少两个资源池中确定目标资源池,包括:对所述至少两个资源池中每个资源池对应的所述至少两种状况参数进行同维度换算;对所述每个资源池对应的换算后的所述至少两个状况参数进行加权处理;根据所述每个资源池对应的加权处理后得到的值,从所述至少两个资源池中确定所述目标资源池。
- 根据权利要求1至3中任一项所述的方法,其特征在于,所述从所 述至少两个资源池中确定目标资源池,包括:所述终端设备根据所述状况参数,以及根据待传输数据包的大小、所述待传输数据包的QoS等级、传输所述待传输数据包的发射功率和下行路径损耗中的至少一种,从所述至少两个资源池中确定所述目标资源池。
- 根据权利要求7所述的方法,其特征在于,所述从所述至少两个资源池中确定所述目标资源池,包括:所述终端设备根据数据包大小、QoS等级、发射功率和下行路径损耗和中的至少一种与状况参数的数值范围的对应关系,以及根据所述待传输数据包的大小、所述待传输数据包的QoS等级、传输所述待传输数据包的发射功率和下行路径损耗的至少一种,确定所述待传输数据包对应的状况参数的数值范围;将所述至少两个资源池中状况参数的值属于所述待传输数据包对应的状况参数的数值范围的资源池,确定为所述目标资源池。
- 根据权利要求8所述的方法,其特征在于,所述方法还包括:接收所述网络设备发送的所述对应关系。
- 根据权利要求1至9中任一项所述的方法,其特征在于,所述方法还包括:接收所述网络设备发送的所述状况参数。
- 一种通信方法,其特征在于,包括:终端设备根据所述终端设备与网络设备之间的下行路径损耗,以及选择用于发送数据的目标资源池,确定第一发射功率;所述终端设备根据所述第一发射功率,利用所述目标资源池中的资源,向网络设备发送数据。
- 根据权利要求11所述的方法,其特征在于,所述终端设备根据所述终端设备与网络设备之间的下行路径损耗,以及选择用于发送数据的目标资源池,确定第一发射功率,包括:所述终端设备根据所述终端设备与所述网络设备之间的下行路径损耗,确定第二发射功率;根据所述目标资源池对应的调整参数,对所述第二发射功率进行调整,得到所述第一发射功率。
- 根据权利要求12所述的方法,其特征在于,在所述根据所述目标 资源池对应的调整参数,对所述第二发射功率进行调整,得到所述第一发射功率之前,所述方法还包括:根据资源池的状况参数与调整参数的对应关系,所述目标资源池的状况参数,确定所述目标资源池对应的调整参数,其中,所述状况参数用于指示所述资源池的资源使用状况。
- 根据权利要求13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所述资源池的状况参数与调整参数的对应关系。
- 根据权利要求12所述的方法,其特征在于,在所述根据所述目标资源池对应的调整参数,对所述第二发射功率进行调整,得到所述第一发射功率之前,所述方法还包括:根据资源池与调整参数的对应关系,确定所述目标资源池对应的调整参数,其中,所述状况参数用于指示所述资源池的资源使用状况。
- 根据权利要求15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所述资源池与调整参数的对应关系。
- 根据权利要求11所述的方法,其特征在于,所述终端设备根据所述终端设备与网络设备之间的下行路径损耗,以及选择用于发送数据的目标资源池,确定第一发射功率,包括:所述终端设备根据所述目标资源池的状况参数,所述终端设备与所述网络设备之间的下行路径损耗,以及下行路径损耗、发射功率与资源池的状况参数三者之间的对应关系,确定所述第一发射功率,其中,所述状况参数用于指示所述资源池的资源使用状况。
- 根据权利要求17所述的方法,其特征在于,所述方法还包括:接收所述网络设备发送的所述下行路径损耗、发射功率与资源池的状况参数三者之间的对应关系。
- 根据权利要求11所述的方法,其特征在于,所述终端设备根据所述终端设备与网络设备之间的下行路径损耗,以及选择用于发送数据的目标资源池,确定第一发射功率,包括:所述终端设备根据所述终端设备与所述网络设备之间的下行路径损耗,所述目标资源池,以及下行路径损耗、发射功率与资源池三者之间的对应关系,确定所述第一发射功率。
- 根据权利要求19所述的方法,其特征在于,所述方法还包括:接收所述网络设备发送的所述下行路径损耗、发射功率与资源池三者之间的对应关系。
- 一种通信方法,其特征在于,包括:终端设备根据所述终端设备与网络设备之间的下行路径损耗,确定目标资源池;所述终端设备利用所述目标资源池的资源,与网络设备进行通信。
- 根据权利要求21所述的方法,其特征在于,所述终端设备根据与网络设备之间的下行路径损耗,从至少两个资源池中确定目标资源池,包括:所述终端设备根据与所述网络设备之间的下行路径损耗,以及根据下行路径损耗与资源池的对应关系,确定所述目标资源池。
- 根据权利要求22所述的方法,其特征在于,所述方法还包括:接收所述网络设备发送的所述对应关系。
- 一种通信方法,其特征在于,包括:网络设备获取至少两个资源池中每个资源池的状况参数,其中,所述状况参数用于指示所述资源池的资源使用状况;所述网络设备向终端设备发送所述每个资源池的状况参数。
- 根据权利要求24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数据包大小、QoS等级、发射功率和下行路径损耗中的至少一种与状况参数的数值范围的对应关系。
- 一种通信方法,其特征在于,包括:网络设备向终端设备发送下行路径损耗与资源池的对应关系,以便于所述终端设备根据与网络设备之间的下行路径损耗,以及所述对应关系,确定用于发送上行数据的资源池。
- 一种通信方法,其特征在于,包括:网络设备向终端设备发送资源池与调整参数的对应关系,以便于所述终端设备根据所述对应关系以及选择用于传输上行数据的资源池,确定调整参数,并根据确定的调整参数对发射上行数据的功率进行调整。
- 根据权利要求27所述的方法,其特征在于,所述资源池与调整参数的对应关系是根据所述资源池的状况参数确定的,其中,所述状况参数用于指示所述资源池的资源使用状况。
- 一种通信方法,其特征在于,包括:网络设备向终端设备发送下行路径损耗、发射功率与资源池三者之间的对应关系,以便于所述终端设备根据目标资源池,所述终端设备与所述网络设备以及的下行路径损耗,以及所述对应关系,确定向所述网络设备发送上行数据的发射功率。
- 根据权利要求29所述的方法,其特征在于,所述下行路径损耗、发射功率与资源池三者之间的对应关系是根据所述资源池的状况参数确定的,其中,所述状况参数用于指示所述资源池的资源使用状况。
- 一种通信方法,其特征在于,包括:网络设备向终端设备发送资源池的状况参数与调整参数的对应关系,以便于所述终端设备根据所述对应关系以及选择用于传输上行数据的资源池的状况参数,确定调整参数,并根据确定的调整参数对发射上行数据的功率进行调整。
- 一种通信方法,其特征在于,包括:网络设备向终端设备发送下行路径损耗、发射功率与资源池的状况参数三者之间的对应关系,以便于所述终端设备根据目标资源池的状况参数,所述终端设备与所述网络设备之间的下行路径损耗,以及所述对应关系,确定向所述网络设备发送上行数据的发射功率。
- 一种终端设备,其特征在于,包括:确定单元,用于根据至少两个资源池中每个资源池的状况参数,从所述至少两个资源池中确定目标资源池,其中,所述状况参数用于指示所述资源池的资源使用状况;通信单元,用于利用所述目标资源池的资源,与网络设备进行通信。
- 根据权利要求33所述的终端设备,其特征在于,所述状况参数包括以下中的至少一种:所述资源池的资源使用率、所述资源池的资源冲突率、所述资源池内已接入的终端数量、所述资源池的资源接收功率信息、使用所述资源池中的资源已传输的数据的时延、网络设备对利用所述资源池中的资源已传输的数据的响应时间、和使用所述资源池中的资源已传输的块的差错率。
- 根据权利要求34所述的终端设备,其特征在于,所述资源池的资源接收功率信息包括以下中的至少一种:所述资源池中的资源的平均接收功率,和所述资源池中的资源的接收功率的离散程度信息。
- 根据权利要求33至35中任一项所述的终端设备,其特征在于,所述确定单元进一步用于:将从所述至少两个资源池中对应的资源使用率小于等于第一阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的资源冲突率小于等于第二阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中已接入的终端数量小于等于第三阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的响应时间小于等于第四阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的时延时间小于等于第五阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的接收功率离散程度小于等于第六阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的已传输块的差错率小于等于第七阈值的资源池中,确定所述目标资源池;或将从所述至少两个资源池中对应的平均接收功率小于等于第八阈值的资源池中,确定所述目标资源池。
- 根据权利要求33至35中任一项所述的终端设备,其特征在于,所述确定单元进一步用于:将所述至少两个资源池中对应的资源使用率最低的资源池,确定为所述目标资源池;或将从所述至少两个资源池中对应的资源冲突率最低的资源池,确定为所述目标资源池;或将从所述至少两个资源池中已接入的终端数量最低的资源池,确定为所述目标资源池;或将从所述至少两个资源池中对应的响应时间最低的资源池,确定为所述目标资源池;或将从所述至少两个资源池中对应的时延时间最低的资源池,确定为所述 目标资源池;或将所述至少两个资源池中对应的所述接收功率离散程度最低的资源池,确定为所述目标资源池;或将所述至少两个资源池中对应的已传输块的差错率最低的资源池,确定为所述目标资源池;或将从所述至少两个资源池中对应的平均接收功率最低的资源池中,确定所述目标资源池。
- 根据权利要求33至35中任一项所述的终端设备,其特征在于,在所述状况参数包括至少两种参数时,所述确定单元进一步用于:对所述至少两个资源池中每个资源池对应的所述至少两种状况参数进行同维度换算;对所述每个资源池对应的换算后的所述至少两个状况参数进行加权处理;根据所述每个资源池对应的加权处理后得到的值,从所述至少两个资源池中确定所述目标资源池。
- 根据权利要求33至35中任一项所述的终端设备,其特征在于,所述确定单元进一步用于:根据所述状况参数,以及根据待传输数据包的大小、所述待传输数据包的QoS等级、传输所述待传输数据包的发射功率和下行路径损耗中的至少一种,从所述至少两个资源池中确定所述目标资源池。
- 根据权利要求39所述的终端设备,其特征在于,所述确定单元进一步用于:根据数据包大小、QoS等级、发射功率和下行路径损耗和中的至少一种与状况参数的数值范围的对应关系,以及根据所述待传输数据包的大小、所述待传输数据包的QoS等级、传输所述待传输数据包的发射功率和下行路径损耗的至少一种,确定所述待传输数据包对应的状况参数的数值范围;将所述至少两个资源池中状况参数的值属于所述待传输数据包对应的状况参数的数值范围的资源池,确定为所述目标资源池。
- 根据权利要求40所述的终端设备,其特征在于,所述通信单元进一步用于:接收所述网络设备发送的所述对应关系。
- 根据权利要求33至41中任一项所述的终端设备,其特征在于,所述通信单元进一步用于:接收所述网络设备发送的所述状况参数。
- 一种终端设备,其特征在于,包括:确定单元,用于根据所述终端设备与网络设备之间的下行路径损耗,以及选择用于发送数据的目标资源池,确定第一发射功率;通信单元,用于根据所述第一发射功率,利用所述目标资源池中的资源,向网络设备发送数据。
- 根据权利要求43所述的终端设备,其特征在于,所述确定单元进一步用于:根据所述终端设备与所述网络设备之间的下行路径损耗,确定第二发射功率;根据所述目标资源池对应的调整参数,对所述第二发射功率进行调整,得到所述第一发射功率。
- 根据权利要求44所述的终端设备,其特征在于,所述确定单元进一步用于:根据资源池的状况参数与调整参数的对应关系,所述目标资源池的状况参数,确定所述目标资源池对应的调整参数,其中,所述状况参数用于指示所述资源池的资源使用状况。
- 根据权利要求45所述的终端设备,其特征在于,所述通信单元进一步用于:接收网络设备发送的所述资源池的状况参数与调整参数的对应关系。
- 根据权利要求44所述的终端设备,其特征在于,所述确定单元进一步用于:根据资源池与调整参数的对应关系,确定所述目标资源池对应的调整参数,其中,所述状况参数用于指示所述资源池的资源使用状况。
- 根据权利要求47所述的终端设备,其特征在于,所述通信单元进一步用于:接收网络设备发送的所述资源池与调整参数的对应关系。
- 根据权利要求43所述的终端设备,其特征在于,所述确定单元进一步用于:根据所述目标资源池的状况参数,所述终端设备与所述网络设备之间的下行路径损耗,以及下行路径损耗、发射功率与资源池的状况参数三者之间的对应关系,确定所述第一发射功率,其中,所述状况参数用于指示所述资源池的资源使用状况。
- 根据权利要求43所述的终端设备,其特征在于,所述通信单元进一步用于:接收所述网络设备发送的所述下行路径损耗、发射功率与资源池的状况参数三者之间的对应关系。
- 根据权利要求43所述的终端设备,其特征在于,所述确定单元进一步用于:根据所述终端设备与所述网络设备之间的下行路径损耗,所述目标资源池,以及下行路径损耗、发射功率与资源池三者之间的对应关系,确定所述第一发射功率。
- 根据权利要求51所述的终端设备,其特征在于,所述通信单元进一步用于:接收所述网络设备发送的所述下行路径损耗、发射功率与资源池三者之间的对应关系。
- 一种终端设备,其特征在于,包括:确定单元,用于根据所述终端设备与网络设备之间的下行路径损耗,确定目标资源池;通信单元,用于利用所述目标资源池的资源,与网络设备进行通信。
- 根据权利要求53所述的终端设备,其特征在于,所述确定单元进一步用于:根据与所述网络设备之间的下行路径损耗,以及根据下行路径损耗与资源池的对应关系,确定所述目标资源池。
- 根据权利要求54所述的终端设备,其特征在于,所述通信单元进一步用于:接收所述网络设备发送的所述对应关系。
- 一种网络设备,其特征在于,包括:确定单元,用于确定至少两个资源池中每个资源池的状况参数,其中,所述状况参数用于指示所述资源池的资源使用状况;通信单元,用于向终端设备发送所述每个资源池的状况参数。
- 根据权利要求56所述的网络设备,其特征在于,所述通信单元进一步用于:向所述终端设备发送数据包大小、QoS等级、发射功率和下行路径损耗中的至少一种与状况参数的数值范围的对应关系。
- 一种网络设备,其特征在于,包括:确定单元,用于确定下行路径损耗与资源池的对应关系;通信单元,用于向终端设备发送所述对应关系,以便于所述终端设备根据与网络设备之间的下行路径损耗,以及所述对应关系,确定用于发送上行数据的资源池。
- 一种网络设备,其特征在于,包括:确定单元,用于确定资源池与调整参数的对应关系;通信单元,用于向终端设备发送所述对应关系,以便于所述终端设备根据所述对应关系以及选择用于传输上行数据的资源池,确定调整参数,并根据确定的调整参数对发射上行数据的功率进行调整。
- 根据权利要求59所述的网络设备,其特征在于,所述资源池与调整参数的对应关系是根据所述资源池的状况参数确定的,其中,所述状况参数用于指示所述资源池的资源使用状况。
- 一种网络设备,其特征在于,包括:确定单元,用于确定下行路径损耗、发射功率与资源池三者之间的对应关系;通信单元,用于向终端设备发送所述对应关系,以便于所述终端设备根据目标资源池,所述终端设备与所述网络设备以及的下行路径损耗,以及所述对应关系,确定向所述网络设备发送上行数据的发射功率。
- 根据权利要求61所述的网络设备,其特征在于,所述下行路径损耗、发射功率与资源池三者之间的对应关系是根据所述资源池的状况参数确定的,其中,所述状况参数用于指示所述资源池的资源使用状况。
- 一种网络设备,其特征在于,包括:确定单元,用于确定资源池的状况参数与调整参数的对应关系;通信单元,用于向终端设备发送所述对应关系,以便于所述终端设备根据所述对应关系以及选择用于传输上行数据的资源池的状况参数,确定调整 参数,并根据确定的调整参数对发射上行数据的功率进行调整。
- 一种网络设备,其特征在于,包括:确定单元,用于确定下行路径损耗、发射功率与资源池的状况参数三者之间的对应关系;通信单元,用于向终端设备发送所述对应关系,以便于所述终端设备根据目标资源池的状况参数,所述终端设备与所述网络设备之间的下行路径损耗,以及所述对应关系,确定向所述网络设备发送上行数据的发射功率。
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