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WO2017049729A1 - Procédé et appareil d'attribution de ressources de communication - Google Patents

Procédé et appareil d'attribution de ressources de communication Download PDF

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Publication number
WO2017049729A1
WO2017049729A1 PCT/CN2015/093511 CN2015093511W WO2017049729A1 WO 2017049729 A1 WO2017049729 A1 WO 2017049729A1 CN 2015093511 W CN2015093511 W CN 2015093511W WO 2017049729 A1 WO2017049729 A1 WO 2017049729A1
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WIPO (PCT)
Prior art keywords
resource
relay
resource pool
remote
sent
Prior art date
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Ceased
Application number
PCT/CN2015/093511
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English (en)
Chinese (zh)
Inventor
雷艺学
张云飞
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Publication of WO2017049729A1 publication Critical patent/WO2017049729A1/fr
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Ceased legal-status Critical Current

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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

Definitions

  • the present invention relates to the field of communications, and in particular, to a communication resource configuration method and apparatus.
  • the device-to-device communications (D2D) technology refers to direct communication between user equipments (UEs) without the need to transmit or forward through devices such as base stations.
  • D2D can be deployed within cellular network coverage and/or outside cellular network coverage.
  • the UE-to-Network (UE-to-Network) relay is a new feature introduced in the D2D. It has the advantages of flexible deployment and can expand the network coverage without increasing the existing network equipment. It has important applications in commercial communications and even public safety communications.
  • the remote UE that is outside the network coverage or cannot establish a good connection with the base station establishes D2D with the relay UE that is in the network coverage, so that the remote UE can relay the UE with the UE.
  • the base station or other network nodes are connected.
  • how to configure D2D communication resources for remote UEs and relay UEs is currently a technical problem that needs to be solved urgently.
  • the embodiment of the invention provides a communication resource configuration method and device, which can be configured to configure D2D communication resources for the remote UE and the relay UE.
  • an embodiment of the present invention provides a communication resource configuration method, including:
  • the relay user terminal UE receives the resource configuration message sent by the base station, where the resource configuration message carries resource information of at least two resource pools;
  • the at least one resource pool from the at least two resource pools as a resource pool that is sent by the relay UE in direct communication between the terminals in the D2D, where the at least two The resource pool in the resource pool except for the relay UE is a resource pool that the remote UE transmits in the D2D.
  • the relay UE determines at least one from the at least two resource pools according to the resource information.
  • the resource pools for the relay UE to directly communicate with each other in the D2D between the terminals include:
  • the relaying UE selects at least one resource pool from the at least two resource pools as a resource pool that the relay UE transmits in the D2D according to the resource information and the information of the remote UE;
  • the method further includes:
  • the relaying UE sends an indication message to the remote UE, where the indication message is used to indicate that the at least one resource pool is a resource pool that is sent by the relay UE in D2D, and indicates the at least two A resource pool in the resource pool except for the one that is sent by the relay UE is a resource pool that the remote UE sends in the D2D.
  • the method further includes:
  • the indication message carries the validity time of the configuration and the resource information of the resource pool that the relay UE sends in the D2D.
  • the resource information of the at least two resource pools includes first indication information indicating that the at least one resource pool is used as a resource pool that is sent by the relay UE in the D2D, and includes indicating the at least a resource pool of the resource pools that are sent by the remote UE in the D2D, in addition to the resource pools that are sent by the remote UEs;
  • the relaying UE determines, according to the resource information, that the at least one resource pool is the resource pool that the relay UE sends in the D2D, including:
  • the relaying UE determines, according to the first indication information, that the at least one resource pool is a resource pool that is sent by the relay UE in the D2D from the at least two resource pools.
  • the resource information further includes valid time information of the resource pool.
  • the resource pool that the relay UE sends in the D2D and the resource pool that the remote UE sends in the D2D are staggered in the time domain.
  • the method further includes:
  • the relay UE sends D2D data to the remote UE by using resources in the at least one resource pool;
  • the relay UE receives D2D data sent by the remote UE using resources in a resource pool other than the at least one resource pool in the at least two resource pools.
  • an embodiment of the present invention provides a communication resource configuration method, including:
  • the remote UE receives the resource configuration information, where the resource configuration information carries the indication information, where the indication information is used to indicate that at least one resource pool of the at least two resource pools configured by the base station is the remote UE in the a resource pool to be sent in D2D;
  • the resource pool that the remote UE sends in the D2D Determining, by the remote UE, the resource pool that the remote UE sends in the D2D according to the indication information, where the at least two resource pools are used for the far
  • the resource pools sent by the UE are relayed by the UE in the D2D.
  • the remote UE receives resource configuration information, including:
  • the remote UE receives the resource configuration information sent by the base station, where the indication information includes first indication information indicating that the at least one resource pool is used as a resource pool that the remote UE sends in the D2D, and The second indication information indicating that the resource pool in the at least two resource pools except for the remote UE sends is a resource pool that is sent by the relay UE in the D2D; or
  • the remote UE receives the resource configuration information sent by the relay UE, where the resource configuration information further carries the configured effective time of the at least one resource pool and the relay UE sends the D2D in the D2D. Resource information for the resource pool.
  • the resource pool that is sent by the remote UE in the D2D and the resource pool that the relay UE sends in the D2D are staggered in the time domain.
  • an embodiment of the present invention provides a communication resource configuration method, including:
  • the base station configures at least two resource pools for the relay UE and the remote UE;
  • the base station sends a resource configuration message to the relay UE, where the resource configuration message carries resource information of at least two resource pools, so that the relay UE is from the at least two according to the resource information.
  • the resource pools are determined to be at least one resource pool is a resource pool that is sent by the relay UE in the D2D, where a resource pool of the at least two resource pools other than that sent by the relay UE is A resource pool in which the remote UE transmits in the D2D.
  • the sending, by the base station, the resource configuration message to the relay UE including:
  • the base station sends a resource configuration message to the relay UE and the remote UE, where the resource information of the at least two resource pools includes the at least one resource pool as the relay UE in the D2D First indication information of the resource pool that is sent, and including indicating that the resource pools in the at least two resource pools except for the relay UE are sent by the remote UE in the D2D The second indication of the sent resource pool.
  • an embodiment of the present invention provides a communication resource configuration apparatus, where the apparatus is applied to Following the UE, including: a receiving unit and a determining unit, wherein:
  • the receiving unit is configured to receive a resource configuration message sent by the base station, where the resource configuration message carries resource information of at least two resource pools;
  • the determining unit is configured to determine, according to the resource information, at least one resource pool from the at least two resource pools, a resource pool that is sent by the relay UE in direct communication between the terminals in the D2D, where the at least A resource pool of the two resource pools except for the one that is sent by the relay UE is a resource pool that the remote UE sends in the D2D.
  • the determining unit is configured to select, according to the resource information and the information of the remote UE, at least one resource pool from the at least two resource pools, where the relay UE sends the data in the D2D.
  • Resource pool
  • the device also includes:
  • a first sending unit configured to send, to the remote UE, an indication message, where the indication message is used to indicate that the at least one resource pool is a resource pool that is sent by the relay UE in D2D, and that the at least A resource pool of the two resource pools except for the one that is sent by the relay UE is a resource pool that the remote UE sends in the D2D.
  • the resource information of the at least two resource pools includes first indication information indicating that the at least one resource pool is used as a resource pool that is sent by the relay UE in the D2D, and includes indicating the at least a resource pool of the resource pools that are sent by the remote UE in the D2D, in addition to the resource pools that are sent by the remote UEs;
  • the determining unit is configured to determine, according to the first indication information, that the at least one resource pool is a resource pool that is sent by the relay UE in D2D from the at least two resource pools.
  • the resource pool that the relay UE sends in the D2D and the resource pool that the remote UE sends in the D2D are staggered in the time domain.
  • an embodiment of the present invention provides a communication resource configuration apparatus, where the apparatus is applied to a remote UE, and includes: a receiving unit and a determining unit, where:
  • the receiving unit is configured to receive resource configuration information, where the resource configuration information carries indication information, where the indication information is used to indicate that at least one resource pool of at least two resource pools configured by the base station is the remote end a resource pool that the UE transmits in the D2D;
  • the determining unit is configured to determine, according to the indication information, that the at least one resource pool is a resource pool that is sent by the remote UE in the D2D, where the at least two resource pools are used for The resource pool sent by the remote UE is a resource pool that the relay UE sends in the D2D.
  • the receiving unit is configured to receive resource configuration information sent by the base station, where the indication information includes: indicating, by the at least one resource pool, a resource pool that is sent by the remote UE in the D2D.
  • the receiving unit is configured to receive resource configuration information that is sent by the relay UE, where the resource configuration information further carries configured time information of the at least one resource pool and the relay UE performs in the D2D Resource information of the resource pool sent.
  • the resource pool that is sent by the remote UE in the D2D and the resource pool that the relay UE sends in the D2D are staggered in the time domain.
  • an embodiment of the present invention provides a communication resource configuration apparatus, including: a configuration unit and a sending unit, where:
  • the configuration unit is configured to configure at least two resource pools for the relay UE and the remote UE;
  • the sending unit is configured to send a resource configuration message to the relay UE, where the resource configuration message carries resource information of at least two resource pools, so that the relay UE is configured according to the resource information. Determining, by the at least two resource pools, a resource pool that is sent by the relay UE in the D2D, where the at least two resource pools are sent by the relay UE.
  • the resource pool is a resource pool that the remote UE sends in the D2D.
  • the sending unit is configured to send a resource configuration message to the relay UE and the remote UE, where the resource information of the at least two resource pools includes the at least one resource pool as the And the first indication information of the resource pool that is sent by the relay UE in the D2D, and includes indicating that the resource pool in the at least two resource pools other than that used by the relay UE is the remote The second indication information of the resource pool that the UE sends in the D2D.
  • the relay user terminal UE receives the resource configuration message sent by the base station, where the resource configuration message carries resource information of at least two resource pools; and the relay UE receives the resource information according to the at least Determining, by the two resource pools, a resource pool that is sent by the relay UE in direct communication between the terminals in the D2D, where the at least two resource pools are sent by the relay UE
  • the outer resource pool is a resource pool that the remote UE sends in the D2D. It is possible to configure D2D communication resources for the remote UE and the relay UE.
  • FIG. 1 is a system architecture diagram of a communication resource configuration method according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a method for configuring a communication resource according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of another communication resource configuration method according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a resource pool configuration according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart diagram of another communication resource configuration method according to an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart diagram of another communication resource configuration method according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of another communication resource configuration method according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a communication resource configuration apparatus according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • FIG. 15 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • FIG. 16 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • FIG. 1 is a system architecture diagram of a communication resource configuration method according to an embodiment of the present invention.
  • the system includes: a base station 11 , a relay UE 12 , and a remote end 13 , where the base station 11 can It is an evolved Node B (eNB) or a legacy base station.
  • the base station 11 can also be a macro base station or a micro base station.
  • the relay UE 12 may be a UE that is in the network coverage of the base station 11, or the relay UE 12 may be a UE that can establish a good connection with the base station 11, and the remote end 13 may be in the network coverage of the base station 11.
  • the UE or the remote terminal 13 may be a UE or the like that is in the network coverage of the base station 11 but cannot establish a good connection with the base station 11, and may include one or more remote UEs 13 in the present architecture.
  • the remote UE 13 can establish a connection between the remote UE 13 and the base station 11 through the D2D established by the relay UE 12.
  • FIG. 2 is a schematic flowchart of a method for configuring a communication resource according to an embodiment of the present invention. As shown in FIG. 2, the method includes the following steps:
  • the relaying UE receives the resource configuration message sent by the base station, where the resource configuration message carries resource information of at least two resource pools.
  • the base station may establish a connection with the relay UE, and then send the resource configuration message through the connection.
  • the base station may also send the foregoing resource configuration message to the relay UE in a broadcast manner.
  • the resource configuration message may include resource information of each resource pool in the at least two resource pools, for example, resource information of time-frequency resources of each resource pool.
  • a resource pool can be understood as a set of at least one time-frequency resource.
  • the relay UE determines, according to the resource information, that the at least one resource pool is a resource pool that is sent by the relay UE in the D2D, where the at least two resource pools are used.
  • the resource pool sent by the relay UE is a resource pool that the remote UE sends in the D2D.
  • the relay UE after the relay UE acquires the resource information, it may be determined according to the resource information that the at least one resource pool is a resource pool that is sent by the relay UE in the D2D.
  • the foregoing resource information includes indication information, where the indication information indicates that the at least one resource pool is a resource pool that is sent by the relay UE in D2D.
  • the resource information may not include the indication information, and the relay UE may randomly determine, according to the resource information, that at least one resource pool is used by the at least two resource pools to be a resource pool that is sent by the relay UE in the D2D.
  • the relay UE may randomly select at least one resource pool from the at least two resource pools according to the resource information and the preset selection rule to be a resource pool that is sent by the relay UE in the D2D.
  • the foregoing remote UE and the foregoing relay UE may be The D2D has not been established.
  • the above steps are only configured to configure the remote UE and the relay UE to use different resource pools to send D2D data when performing D2D.
  • the foregoing remote UE may have established D2D communication with the relay before performing step 202.
  • the above-mentioned steps can be used to configure different resource pools for the relay UE and the remote UE, and different resource pools can also solve the resource competition problem of the remote UE and the relay UE, so as to improve the resource pool mode of the relay system. Communication performance.
  • the relay UE may be a network function intelligent device such as a mobile phone, a tablet computer, an e-reader, a remote controller, a personal computer (PC), a notebook computer, an in-vehicle device, a network television, a wearable device, and the like.
  • the remote UE may also be a smart device with network function such as a mobile phone, a tablet computer, an electronic reader, a remote controller, a PC, a notebook computer, an in-vehicle device, a network television, a wearable device, and the like.
  • the relay UE receives the resource configuration message sent by the base station, where the resource configuration message carries resource information of at least two resource pools, and the relay UE selects from the at least two resource pools according to the resource information. Determining, by the at least one resource pool, a resource pool that is sent by the relay UE in direct communication between the terminals in the D2D, where the resource pools are sent by the at least two resource pools except for the relay UE A resource pool that is sent by the remote UE in the D2D. It is possible to configure D2D communication resources for the remote UE and the relay UE.
  • FIG. 3 is a schematic flowchart of another communication resource configuration method according to an embodiment of the present invention. As shown in FIG. 3, the method includes the following steps:
  • the relay user terminal UE receives the resource configuration message sent by the base station, where the resource configuration message carries resource information of at least two resource pools.
  • the resource configuration message may be a radio resource control protocol (RRC) signaling configured by the resource pool, or the resource configuration message may be an extended system information block (SIB), where The SIB message may be sent to the relay UE through a broadcast form.
  • the resource information may be the identifier information of the resource pool or the identifier information of the time-frequency resource in the resource pool, for example, frequency domain information or time domain information of the time-frequency resource.
  • the at least two resource pools may be two resource pools that are the same in the frequency domain but different in the time domain, that is, the at least two resource pools may be the same in the frequency domain, but at least two resource pools are located. Different time. Of course, the at least two resource pools may be resource pools with different frequency domains and time domains.
  • the relay UE determines, according to the resource information, the at least one resource pool from the at least two resource pools, where the relay UE sends the resource pool in the direct communication between the terminals in the D2D, where the at least two The resource pool in the resource pool except for the relay UE is a resource pool that the remote UE transmits in the D2D.
  • the at least one resource pool may be a part of the at least two resource pools, and may be one or more resource pools.
  • the at least one resource pool may be selected by the relay UE based on the foregoing resource information.
  • the step 302 may include:
  • the relay UE selects at least one resource pool from the at least two resource pools as the resource pool that the relay UE transmits in the D2D according to the resource information and the information of the remote UE.
  • the information of the remote UE may include the number of the remote UEs, and may also include the air interface (for example, the Un interface) of the remote UE, for example, when the number of the remote UEs is large (for example, multiple).
  • the relay UE may select one of the at least two resource pools as the resource pool for the relay UE to transmit in the D2D; or when the air interface interference level of the remote UE is high, the relay The UE may select one of the at least two resource pools as the resource pool to be sent by the relay UE in the D2D to ensure that more resource pools and the like are configured for the remote UE as much as possible.
  • the relay UE may acquire a configuration policy of the resource pool in which the relay UE is configured to transmit in the D2D, and the step 302 may configure different resource pools for the relay UE and the remote UE based on the configuration policy.
  • the foregoing method may further include the following steps:
  • the relaying UE sends an indication message to the remote UE, where the indication message is used to indicate that the at least one resource pool is a resource pool that is sent by the relay UE in the D2D, and the at least two resource pools are indicated.
  • a resource pool other than that used by the relay UE is a resource pool that the remote UE transmits in the D2D.
  • the relay UE may configure other resource pools in the at least two resource pools to the remote UE. Therefore, the resource pool that tells the remote UE to send in the D2D and the resource pool that the remote UE sends in the D2D to the relay UE can be implemented by using the foregoing indication message. In this way, the remote UE can perform D2D data transmission and reception on the corresponding resource pool. Similarly, the relay UE can also perform D2D data transmission and reception on the corresponding resource pool.
  • the relay UE may be according to each remote end.
  • the case of the UE is to configure different resource pools for the multiple remote UEs.
  • a resource pool of different numbers or different interference characteristics may be configured for the multiple remote UEs according to the location of each remote UE, such as a resource pool with a larger number of remote UEs located farther from the relay UE or A resource pool with better interference characteristics; for example, a resource pool of different numbers or different interference characteristics may be configured for the multiple remote UEs according to the air interface interference situation of each remote UE, such as the number of remote UE configurations with a higher interference level. The more resource pools or resource pools with better interference characteristics.
  • the foregoing method may further include the following steps:
  • the indication message carries the validity time of the configuration and the resource information of the resource pool that the relay UE sends in the D2D.
  • the effective time of the foregoing configuration may be understood as the effective time of the configuration of the resource pool that the remote UE sends in the D2D, and the effective time may be understood as the effective duration.
  • the resource pool that the relay UE transmits in the D2D and the resource pool that the remote UE transmits in the D2D are staggered in the time domain.
  • the allocated resource pool is If the time domain is staggered, it can be avoided that the relay UE and the remote UE transmit simultaneously to avoid the situation that the transmitted data cannot be received.
  • the resource pool that the remote UE transmits in the D2D and the time domain of the resource pool that the relay UE sends in the D2D are staggered.
  • the remote UE may be a UE that is outside the network coverage of the base station, or a UE that cannot establish a connection with the base station.
  • the communication between the relay UE and the remote UE may be a dedicated interface using D2D.
  • the foregoing sending indication message may be that the indication message is sent to the remote UE through the PC5 interface.
  • the resource information of the at least two resource pools includes first indication information indicating that the at least one resource pool is used as a resource pool that is sent by the relay UE in the D2D, and includes indicating the at least The resource pools of the two resource pools other than those used by the relay UE are second indication information of the resource pool that the remote UE sends in the D2D.
  • the resource information of each resource pool includes a sending resource pool indicating which UE is the resource pool, so that the resource information of each resource pool can be used to know which resource pools are used as relay UEs.
  • a resource pool for transmitting in D2D, and which resource pools are used as resource pools for the remote UE to send in the D2D that is, the first indication information includes indication information in the resource information of the at least one resource pool, and the same
  • the foregoing second indication information includes indication information in the resource pool resource information of the at least two resource pools except the at least one resource pool.
  • the foregoing first indication information and the second indication information may also exist independently.
  • step 302 in this embodiment may include:
  • the relay UE determines, according to the first indication information, that the at least one resource pool is a resource pool that is sent by the relay UE in the D2D from the at least two resource pools.
  • a resource pool in which the relay UE is transmitted in the D2D and a resource pool in which the remote UE transmits in the D2D may be configured by the base station.
  • the resource configuration message received in step 301 is also sent to the remote UE, that is, the relay UE and the remote UE receive the resource configuration message, thereby determining the resource pool for sending, and It also determines the resource pool that the other party is sending, so that data can be sent and received on the corresponding resource pool.
  • the foregoing remote UE may also be a UE in a network coverage of the base station.
  • the resource information further includes valid time information of the resource pool.
  • the effective time information herein can be understood as the configured effective time information.
  • the effective time for configuring the resource pool of the remote UE and the relay UE can be determined by the base station.
  • the resource pool that the relay UE sends in the D2D and the resource pool that the remote UE sends in the D2D may be staggered in the time domain.
  • the allocated resource pool is If the time domain is staggered, it can be avoided that the relay UE and the remote UE transmit simultaneously to avoid the situation that the transmitted data cannot be received.
  • the foregoing method may further include the following steps:
  • the relay UE sends the D2D data to the remote UE by using the resource in the at least one resource pool.
  • the relay UE receives the D2D data that is sent by the remote UE by using the resource in the resource pool that is sent by the remote UE in the D2D.
  • the relay UE may use the resource of the resource pool to send D2D data to the remote UE, and the remote UE may also determine the resource pool for the relay UE to send. Therefore, the D2D data sent by the relay UE can be received on the corresponding resource pool.
  • the relay UE may send a message to the remote UE to relay the resource pool determined by the UE, which may be as described in the foregoing embodiment.
  • the remote UE sends an indication message. Or indicated by the base station in the foregoing resource configuration message.
  • the relay UE may also determine the resource pool that the remote UE sends to receive the D2D data sent by the remote UE on the corresponding resource pool.
  • both the remote UE and the relay UE may be configured to configure D2D communication resources.
  • FIG. 5 is a schematic flowchart of another communication resource configuration method according to an embodiment of the present invention. As shown in FIG. 5, the method includes the following steps:
  • the remote UE receives the resource configuration information, where the resource configuration information carries the indication information, where the indication information is used to indicate that at least one resource pool of the at least two resource pools configured by the base station is the remote UE.
  • step 502 may be: receiving the resource configuration information sent by the base station, or receiving resource configuration information sent by the relay UE.
  • step 501 can include:
  • the remote UE receives the resource configuration information sent by the base station, where the indication information includes first indication information indicating that the at least one resource pool is used as a resource pool that the remote UE sends in the D2D, and includes an indication.
  • the resource pool of the at least two resource pools except for the one that is sent by the remote UE is the second indication information of the resource pool that the relay UE sends in the D2D.
  • the resource configuration information sent by the base station can be used to determine the resource pool that the remote UE sends, and the resource pool that the relay UE sends.
  • the resource configuration information may be sent to the remote UE and the relay UE. In this way, both the remote UE and the relay UE know the resource pool that they and the other party send, so that they can be sent in the corresponding resource pool.
  • the foregoing indication information may further carry valid time information of each resource pool in the at least two resource pools.
  • the foregoing step 501 may include:
  • the remote UE receives the resource configuration information sent by the relay UE.
  • the resource configuration information may further include information about a resource pool that the relay UE sends in the D2D, that is, the resource configuration information may be used to notify the remote UE to relay in the D2D.
  • the resource pool is sent in the middle, so that the remote UE can receive the D2D data sent by the relay UE on the resource pool.
  • the resource configuration information may further carry the effective time of the configuration of the at least one resource pool and the resource information of the resource pool that the relay UE sends in the D2D.
  • the resource pool that the remote UE sends in the D2D and the resource pool that the relay UE sends in the D2D are staggered in the time domain.
  • the remote UE determines, according to the indication information, that the at least one resource pool is a resource pool that is sent by the remote UE in the D2D, where the at least two resource pools are used for the far
  • the resource pools sent by the UE are relayed by the UE in the D2D.
  • the at least one resource pool is determined to be a resource pool that is sent by the remote UE in the D2D by using the foregoing indication information, so that the D2D data can be sent by using the resource pool when D2D is performed.
  • the foregoing method may further include the following steps:
  • the remote UE sends the D2D data to the relay UE by using the resources in the at least one resource pool;
  • the remote UE receives D2D data that is sent by the relay UE using resources in the resource pool that the relay UE transmits in the D2D.
  • the method introduced in this embodiment is a method implemented by the remote UE as an execution subject, where the remote UE in this embodiment may be the remote UE in the embodiment shown in FIG. 1 to FIG.
  • the remote UE in this embodiment may be the remote UE in the embodiment shown in FIG. 1 to FIG.
  • FIGS. 1 to 3 For specific embodiments thereof, reference may be made to the embodiments shown in FIGS. 1 to 3.
  • the remote UE receives the resource configuration information, where the resource configuration information carries the indication information, where the indication information is used to indicate that at least one resource pool of the at least two resource pools configured by the base station is the far a resource pool that is sent by the UE in the D2D; the remote UE determines, according to the indication information, that the at least one resource pool is a resource pool that is sent by the remote UE in the D2D, where The resource pools of the at least two resource pools except for the ones sent by the remote UEs are resource pools that the relay UE sends in the D2D.
  • D2D communication resources can be configured for the remote UE and the relay UE.
  • FIG. 6 is a schematic flowchart of another communication resource configuration method according to an embodiment of the present invention. As shown in FIG. 6, the method includes the following steps:
  • the base station configures at least two resource pools for the relay UE and the remote UE.
  • the step 601 may be to select at least two resource pools for the relay UE and the remote UE.
  • the at least two resource pools that can be selected may be the resource pool that the base station determines to send the relay UE in the D2D, and Determine the resource pool that the remote UE sends in D2D.
  • the base station only selects at least two resource pools for the relay UE and the remote UE, and which resource pools are used as the relay UE or the resource pool that the remote UE transmits in the D2D may be determined by the relay UE.
  • FIG. 3 is not described in detail herein.
  • the base station sends a resource configuration message to the relay UE, where the resource configuration message carries resource information of at least two resource pools, so that the relay UE is from the at least two according to the resource information.
  • the resource pools are determined to be at least one of the resource pools that are sent by the relay UE in the D2D, wherein the resource pools of the at least two resource pools other than those sent by the relay UE are far A resource pool in which the UE performs transmission in the D2D.
  • step 602 may be that the resource configuration message is sent only to the relay UE, and the relay UE configures the resource pool that is sent in the D2D for the relay UE and the remote UE.
  • the base station configures the resource pool for transmitting in the D2D for the relay UE and the remote UE, and then the relay UE forwards the resource configuration message to the remote UE.
  • step 602 may also be sent to both the relay UE and the remote UE.
  • step 602 may include:
  • the base station sends a resource configuration message to the relay UE and the remote UE, where the resource information of the at least two resource pools includes indicating that the at least one resource pool is used as the relay UE in the D2D
  • the first indication information of the sent resource pool, and the resource pool that indicates that the resource pools in the at least two resource pools are sent by the remote UE in the D2D The second indication.
  • the foregoing resource information may further include valid time information of the resource pool.
  • the resource pool that the remote UE transmits in the D2D and the resource pool that the relay UE sends in the D2D are staggered in the time domain.
  • the base station configures at least two resource pools for the relay UE and the remote UE; Sending a resource configuration message to the relay UE, where the resource configuration message carries resource information of at least two resource pools, so that the relay UE is from the at least two resource pools according to the resource information. Determining, by the at least one resource pool, a resource pool that is sent by the relay UE in the D2D, where a resource pool of the at least two resource pools other than that used by the relay UE is a remote UE A resource pool for transmission in the D2D. This can implement configuring D2D communication resources for the remote UE and the relay UE.
  • FIG. 7 is a schematic diagram of another communication resource configuration method according to an embodiment of the present invention. As shown in FIG. 7, the method includes the following steps:
  • the base station configures at least two resource pools to the relay UE.
  • the relay UE configures a transceiver resource pool for the remote UE.
  • the resource pool that is configured to be sent by the remote UE and the resource pool that is configured to be sent by the relay UE are configured, and the resource pool that the relay UE sends is the resource pool that the remote UE receives.
  • the foregoing may be configured to configure a transceiver resource pool for the remote UE through the PC5 interface.
  • the relay UE and the remote UE perform a sending operation in different resource pools.
  • the step is to enable the relay UE to send data to the remote UE in the resource pool that the configured relay UE sends, and the remote UE receives the data sent by the relay UE on the resource pool;
  • the transmitting resource pool sends data to the relay UE, and the relay UE receives the data sent by the remote UE on the resource pool.
  • the resource pool of the remote UE and the relay UE may be configured to solve the problem of resource competition between the remote UE and the relay UE, so as to improve the resource system in the resource pool mode. Communication performance.
  • FIG. 8 is a schematic structural diagram of a communication resource configuration apparatus according to an embodiment of the present invention.
  • the apparatus may be applied to a relay UE.
  • the apparatus includes: a receiving unit 81 and a determining unit 82. ,among them:
  • the receiving unit 81 is configured to receive a resource configuration message sent by the base station, where the resource configuration message carries resource information of at least two resource pools;
  • a determining unit 82 configured to determine, by the resource information, at least one resource from the at least two resource pools
  • the pool is a resource pool that is directly transmitted by the relay UE in the D2D between the terminals, where the resource pool of the at least two resource pools other than that used by the relay UE is a remote UE.
  • the resource pools of the remote UE and the relay UE can be solved by the above-mentioned units, and the resource pools of the remote UE and the relay UE can be solved to improve the resource pool mode of the relay system. Communication performance.
  • the determining unit 82 may be configured to select at least one resource pool from the at least two resource pools as the relay UE to send in the D2D according to the resource information and the information of the remote UE.
  • the foregoing apparatus may further include:
  • a first sending unit 83 configured to send an indication message to the remote UE, where the indication message is used to indicate that the at least one resource pool is a resource pool that is sent by the relay UE in D2D, and A resource pool of at least two resource pools other than that used by the relay UE is a resource pool that the remote UE transmits in the D2D.
  • a resource pool configured by the relay UE to be transmitted in the D2D for the relay UE and the remote UE may be implemented.
  • the foregoing apparatus may further include:
  • the configuration unit 84 is configured to configure, for the remote UE, a resource pool that is sent by the remote UE in the D2D;
  • the indication message carries the validity time of the configuration and the resource information of the resource pool that the relay UE sends in the D2D.
  • the effective time of configuring the resource pool of the remote UE and the relay UE may be implemented by using the foregoing unit, and the effective time is notified to the remote UE by using the foregoing indication message.
  • the resource pool that the relay UE sends in the D2D and the resource pool that the remote UE sends in the D2D are staggered in the time domain.
  • the allocated resource pool is If the time domain is staggered, it can be avoided that the relay UE and the remote UE transmit simultaneously to avoid the situation that the transmitted data cannot be received.
  • the resource information of the at least two resource pools may include indicating the at least one a resource pool as the first indication information of the resource pool that is sent by the relay UE in the D2D, and includes a resource pool indicating that the at least two resource pools are sent by the relay UE a second indication information of a resource pool that is sent by the remote UE in the D2D;
  • the determining unit 82 may be configured to determine, according to the first indication information, the resource pool that the at least one resource pool sends in the D2D from the at least one resource pool.
  • a resource pool in which the relay UE is transmitted in the D2D and a resource pool in which the remote UE transmits in the D2D may be configured by the base station.
  • the foregoing resource information may further include valid time information of the resource pool.
  • the resource pool that the relay UE sends in the D2D and the resource pool that the remote UE sends in the D2D are staggered in the time domain.
  • the allocated resource pool is If the time domain is staggered, it can be avoided that the relay UE and the remote UE transmit simultaneously to avoid the situation that the transmitted data cannot be received.
  • the foregoing apparatus may further include:
  • a second sending unit 85 configured to send D2D data to the remote UE by using resources in the at least one resource pool
  • the receiving unit 81 may be further configured to receive D2D data that is sent by the remote UE by using a resource in a resource pool that is sent by the remote UE in the D2D.
  • the relay UE and the remote UE may use different resource pools to transmit D2D data.
  • the relay UE may be the relay UE in any of the embodiments in FIG. 1-7, and specific implementation manners thereof may be referred to 1 - any of the embodiments described in the embodiment shown in FIG. 7, which will not be repeated here.
  • the relay UE receives the resource configuration message sent by the base station, where the resource configuration message carries resource information of at least two resource pools, and the relay UE selects from the at least two resource pools according to the resource information. Determining, by the at least one resource pool, a resource pool that is sent by the relay UE in direct communication between the terminals in the D2D, where the resource pools are sent by the at least two resource pools except for the relay UE A resource pool that is sent by the remote UE in the D2D. It is possible to configure D2D communication resources for the remote UE and the relay UE.
  • FIG. 11 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • the apparatus may be applied to a remote UE.
  • the apparatus includes: a receiving unit 111 and a determining unit 112. among them:
  • the receiving unit 111 is configured to receive resource configuration information, where the resource configuration information carries indication information, where the indication information is used to indicate that at least one resource pool of at least two resource pools configured by the base station is the remote UE. A resource pool that is sent in the D2D.
  • a determining unit 112 configured to determine, according to the indication information, that the at least one resource pool is a resource pool that is sent by the remote UE in the D2D, where the at least two resource pools are used for The resource pool sent by the remote UE is a resource pool that the relay UE sends in the D2D.
  • the receiving unit 111 may be configured to receive resource configuration information sent by the base station, where the indication information includes: indicating, by the at least one resource pool, a resource pool that is sent by the remote UE in the D2D.
  • the first indication information, and the second indication information that indicates that the resource pool in the at least two resource pools except for the remote UE sends the resource pool that the relay UE sends in the D2D .
  • the resource configuration information sent by the base station can be used to determine the resource pool that the remote UE sends, and the resource pool that the relay UE sends.
  • the resource configuration information may be sent to the remote UE and the relay UE. In this way, both the remote UE and the relay UE know the resource pool that they and the other party send, so that they can be sent and received in the corresponding resource pool.
  • the foregoing indication information may further carry valid time information of each resource pool in the at least two resource pools. This will determine the effective time of each resource pool.
  • the receiving unit 111 may be configured to receive resource configuration information sent by the relay UE.
  • the resource configuration information may further include the configured effective time information of the at least one resource pool and the resource information of the resource pool that the relay UE sends in the D2D.
  • the resource pool that the remote UE sends in the D2D and the resource pool that the relay UE sends in the D2D are staggered in the time domain.
  • the foregoing apparatus may further include:
  • the sending unit 113 is configured to send D2D data to the relay UE by using resources in the at least one resource pool;
  • the receiving unit 111 may be further configured to receive D2D data that is sent by the relay UE by using a resource in a resource pool that is sent by the relay UE in the D2D.
  • the foregoing apparatus in this embodiment may be applied to a remote UE, and the remote UE may be a remote UE in any of the embodiments in FIG. 1-7. 1 - any of the embodiments described in the embodiment shown in FIG. 7, which will not be repeated here.
  • the remote UE receives the resource configuration information, where the resource configuration information carries the indication information, where the indication information is used to indicate that at least one resource pool of the at least two resource pools configured by the base station is the far a resource pool that is sent by the UE in the D2D; the remote UE determines, according to the indication information, that the at least one resource pool is a resource pool that is sent by the remote UE in the D2D, where The resource pools of the at least two resource pools except for the ones sent by the remote UEs are resource pools that the relay UE sends in the D2D.
  • D2D communication resources can be configured for the remote UE and the relay UE.
  • FIG. 13 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention. As shown in FIG. 13, the method includes: a configuration unit 131 and a sending unit 132, where:
  • the configuration unit 131 is configured to configure at least two resource pools for the relay UE and the remote UE.
  • the sending unit 132 is configured to send a resource configuration message to the relay UE, where the resource configuration message carries resource information of at least two resource pools, so that the relay UE obtains information according to the resource information. Determining, by the at least two resource pools, at least one resource pool is a resource pool that is sent by the relay UE in the D2D, where the resources of the at least two resource pools are sent by the relay UE The pool is a resource pool that the remote UE sends in the D2D.
  • the sending unit 132 may be configured to send the resource configuration message only to the relay UE, and then configure, by the relay UE, the resource pool that is sent in the D2D for the relay UE and the remote UE.
  • the base station configures the resource pool for transmitting in the D2D for the relay UE and the remote UE, and then the relay UE forwards the resource configuration message to the remote UE.
  • the sending unit 132 may be configured to send a resource configuration message to the relay UE and the remote UE, where the resource information of the at least two resource pools includes indicating the at least one resource pool as a Determining, by the relay UE, first indication information of a resource pool that is sent by the UE in the D2D, and indicating that the resource pool in the at least two resource pools other than that used by the relay UE is a remote UE The second indication information of the resource pool that is sent in the D2D.
  • the resource information of the at least two resource pools may further include valid time information of each of the at least two resource pools.
  • the resource pool that the remote UE transmits in the D2D and the resource pool that the relay UE sends in the D2D are staggered in the time domain.
  • the foregoing apparatus in this embodiment may be applied to a base station, and the base station may be the base station in any of the embodiments in FIG. 1-7, and specific implementation manners thereof may be referred to in FIG. 1-7. Any of the embodiments described in the illustrated embodiments are not repeated here.
  • the base station configures at least two resource pools for the relay UE and the remote UE; the base station sends a resource configuration message to the relay UE, where the resource configuration message carries at least two resource pools.
  • the resource information so that the relay UE determines, according to the resource information, that the at least one resource pool is the resource pool that the relay UE sends in the D2D, where the at least two resource pools.
  • the resource pools in the resource pools other than those used by the relay UEs are resource pools that the remote UEs transmit in the D2D. This can implement configuring D2D communication resources for the remote UE and the relay UE.
  • FIG. 14 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a relay UE.
  • the method includes: a processor 141, a network interface 142, and a memory. 143 and a communication bus 144, wherein the communication bus 144 is used to implement connection communication between the processor 141, the network interface 142, and the memory 143, and the processor 141 executes a program stored in the memory 143 for implementation.
  • the at least one resource pool is a resource pool that is sent by the relay UE in a direct communication between the terminals in the D2D, where the at least two resource pools are used
  • the resource pool sent by the relay UE is a resource pool that the remote UE sends in the D2D.
  • the process performed by the processor 141 to determine, according to the resource information, the at least one resource pool from the at least two resource pools is a resource pool in which the relay UE directly communicates in the D2D between the terminals, where Can include:
  • the program executed by the processor 141 may include:
  • the indication message is used to indicate that the at least one resource pool is a resource pool that is sent by the relay UE in D2D, and indicates that the at least two resource pools are used
  • the resource pool sent by the relay UE is a resource pool that is sent by the remote UE in the D2D.
  • the resource information of the at least two resource pools may include first indication information indicating that the at least one resource pool is used as the resource pool that the relay UE sends in the D2D, and includes the indication a resource pool of the at least two resource pools, except for the resource pool sent by the relay UE, is second indication information of the resource pool that the remote UE sends in the D2D;
  • the relaying UE determines, according to the first indication information, that the at least one resource pool is a resource pool that is sent by the relay UE in the D2D from the at least two resource pools.
  • the resource pool that the relay UE sends in the D2D and the resource pool that the remote UE sends in the D2D may be staggered in the time domain.
  • the relay UE may be the relay UE in any of the embodiments in FIG. 1-7, and specific implementation manners thereof may be referred to 1 - any of the embodiments described in the embodiment shown in FIG. 7, which will not be repeated here.
  • the relay UE receives the resource configuration message sent by the base station, where the resource configuration message carries resource information of at least two resource pools, and the relay UE selects from the at least two resource pools according to the resource information. Determining, by the at least one resource pool, a resource pool that is sent by the relay UE in direct communication between the terminals in the D2D, where the resource pools are sent by the at least two resource pools except for the relay UE A resource pool that is sent by the remote UE in the D2D. It is possible to configure D2D communication resources for the remote UE and the relay UE.
  • FIG. 15 is a schematic structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a remote UE, as shown in FIG. 15, and includes: a processor 151, a network interface 152, and a memory. 153 and a communication bus 154, wherein the communication bus 154 is configured to implement the processing
  • the communication is connected between the 151, the network interface 152 and the memory 153, and the processor 151 executes the program stored in the memory 153 for implementing the following method:
  • the resource configuration information carries indication information, where the indication information is used to indicate that at least one resource pool of at least two resource pools configured by the base station is performed by the remote UE in the D2D The resource pool sent;
  • the at least one resource pool is a resource pool that is sent by the remote UE in the D2D, where the at least two resource pools are sent by the remote UE.
  • the outer resource pool is a resource pool that relays the UE to send in the D2D.
  • the program that receives the resource configuration information that is executed by the processor 151 may include:
  • the remote UE receives the resource configuration information sent by the base station, where the indication information includes first indication information indicating that the at least one resource pool is used as a resource pool that the remote UE sends in the D2D, and The second indication information indicating that the resource pool in the at least two resource pools except for the remote UE sends is a resource pool that is sent by the relay UE in the D2D; or
  • the remote UE receives the resource configuration information sent by the relay UE, where the resource configuration information further carries the configured effective time of the at least one resource pool and the relay UE sends the D2D in the D2D. Resource information for the resource pool.
  • the resource pool that the remote UE sends in the D2D and the resource pool that the relay UE sends in the D2D may be staggered in the time domain.
  • the foregoing apparatus in this embodiment may be applied to a remote UE, and the remote UE may be a remote UE in any of the embodiments in FIG. 1-7. 1 - any of the embodiments described in the embodiment shown in FIG. 7, which will not be repeated here.
  • the remote UE receives the resource configuration information, where the resource configuration information carries the indication information, where the indication information is used to indicate that at least one resource pool of the at least two resource pools configured by the base station is the far a resource pool that is sent by the UE in the D2D; the remote UE determines, according to the indication information, that the at least one resource pool is a resource pool that is sent by the remote UE in the D2D, where The resource pools of the at least two resource pools except for the ones sent by the remote UEs are resource pools that the relay UE sends in the D2D.
  • D2D communication resources can be configured for the remote UE and the relay UE.
  • FIG. 16 is a structural diagram of another communication resource configuration apparatus according to an embodiment of the present invention.
  • the schematic diagram as shown in FIG. 16, includes a processor 161, a network interface 162, a memory 163, and a communication bus 164, wherein the communication bus 164 is used to implement a connection between the processor 161, the network interface 162, and the memory 163.
  • the processor 161 executes a program stored in the memory 163 for implementing the following method:
  • the program that is sent by the processor 161 to send the resource configuration message to the relay UE may include:
  • the resource information of the at least two resource pools includes indicating that the at least one resource pool is sent as the relay UE in the D2D
  • the first indication information of the resource pool, and the resource that indicates that the resource pool in the at least two resource pools is sent by the remote UE in the D2D The second indication of the pool.
  • the foregoing apparatus in this embodiment may be applied to a base station, and the base station may be the base station in any of the embodiments in FIG. 1-7, and specific implementation manners thereof may be referred to in FIG. 1-7. Any of the embodiments described in the illustrated embodiments are not repeated here.
  • the base station configures at least two resource pools for the relay UE and the remote UE; the base station sends a resource configuration message to the relay UE, where the resource configuration message carries at least two resource pools.
  • the resource information so that the relay UE determines, according to the resource information, that the at least one resource pool is the resource pool that the relay UE sends in the D2D, where the at least two resource pools.
  • the resource pools in the resource pools other than those used by the relay UEs are resource pools that the remote UEs transmit in the D2D. This can implement configuring D2D communication resources for the remote UE and the relay UE.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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Abstract

L'invention concerne un procédé et un appareil d'attribution de ressources de communication. Le procédé comprend les étapes suivantes : un UE de relais reçoit un message d'attribution de ressources envoyé par une station de base, le message d'attribution de ressources contenant des informations de ressource d'au moins deux réserves de ressources ; et l'UE de relais détermine, d'après les informations de ressource, au moins une réserve de ressources parmi lesdites au moins deux réserves de ressources, en tant que réserve de ressources envoyée par l'UE de relais dans une communication de dispositif à dispositif (D2D), des réserves de ressources dans lesdites au moins deux réserves de ressources, à l'exception de la réserve de ressources envoyée par l'UE de relais, étant des réserves de ressources envoyées par un UE distant dans la communication D2D. Au moyen des modes de réalisation de la présente invention, des ressources de communication D2D peuvent être attribuées à un UE distant et à un UE de relais.
PCT/CN2015/093511 2015-09-25 2015-10-31 Procédé et appareil d'attribution de ressources de communication Ceased WO2017049729A1 (fr)

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