WO2016155113A1 - Procédé de communication de groupe, équipement utilisateur, dispositif de station de base et système - Google Patents

Procédé de communication de groupe, équipement utilisateur, dispositif de station de base et système Download PDF

Info

Publication number
WO2016155113A1
WO2016155113A1 PCT/CN2015/080407 CN2015080407W WO2016155113A1 WO 2016155113 A1 WO2016155113 A1 WO 2016155113A1 CN 2015080407 W CN2015080407 W CN 2015080407W WO 2016155113 A1 WO2016155113 A1 WO 2016155113A1
Authority
WO
WIPO (PCT)
Prior art keywords
group
user equipment
base station
station device
time
Prior art date
Application number
PCT/CN2015/080407
Other languages
English (en)
Chinese (zh)
Inventor
郑倩
雷艺学
张晨璐
张云飞
何成名
Original Assignee
宇龙计算机通信科技(深圳)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宇龙计算机通信科技(深圳)有限公司 filed Critical 宇龙计算机通信科技(深圳)有限公司
Publication of WO2016155113A1 publication Critical patent/WO2016155113A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method, a user equipment, a base station device, and a system for group communication.
  • D2D Device to Device
  • UEs User Equipments
  • eNB evolved base station device
  • Data transmission between devices can also support single-point to multi-point group communication (Group Communication). For example, referring to FIG.
  • the SRC UE indicates a source UE (ie, a UE that transmits data), and the DST UE indicates a target UE (ie, a UE that receives data), and the source UE and the target UE perform a Sidelink Channel in their group.
  • Group communication in addition, it can be seen from the figure that the source UE and the target UE can be in different groups at the same time.
  • the process of the existing group communication of the D2D is: (1) the source UE sends a Buffer Status Report (BSR) to the eNB to request the time-frequency resource; (2) the source UE listens to the physical downlink control channel (Physical Downlink) Control Channel, PDCCH), or Enhanced Physical Downlink Control Channel (ePDCCH), to demodulate the buffer demand (Buffer Size) allocated to it, real-time resources; (3) source UE time Frequency resources are allocated to each group for group communication.
  • BSR Buffer Status Report
  • PDCCH Physical Downlink Control Channel
  • ePDCCH Enhanced Physical Downlink Control Channel
  • the eNB since the eNB does not distinguish the priorities of different source UEs and the priorities of different groups of the same source UE, the following problems occur: (1) the eNB can only randomly limit the time-frequency resources. The source UEs are allocated to the source UE. If the source UEs with high priority have fewer time-frequency resources and the lower-priority source UEs request more time-frequency resources, most of the resources are allocated to the source with lower priority. (2) The eNB can only allocate the limited time-frequency resources to the group of the same source UE. If the group with the higher priority has less time-frequency resources and the lower-priority group requests the time-frequency resources, More, it is likely that most of the resources are assigned to a group with a lower priority.
  • the invention provides a group communication method, a user equipment, a base station device and a system, and solves the problem that the communication group resource allocation is unbalanced.
  • the technical solution can ensure that resources required for group communication are properly allocated and improve services. quality.
  • the user equipment described in the present invention refers to a communication device having data transmission capability, including but not limited to a mobile terminal, an intelligent terminal, and a wearable device.
  • the base station device described in the present invention includes a conventional base station device and has a base station function.
  • Equipment such as a terminalized cell (T-SC).
  • a first aspect of the embodiments of the present invention provides a method for group communication, where the method is applied to a terminal side, including:
  • a buffer status report BSR where the BSR carries at least one group index, where each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, and each of the groups The index or each of the group identifiers is mapped to a predefined priority value, so that the base station device allocates time-frequency resources according to the user equipment whose priority value is different;
  • the method before the sending the buffer status report BSR to the base station device, the method further includes:
  • mapping between the group index and the priority value includes:
  • the same group index is mapped to the same priority value, wherein the group index corresponding to the group of the same service type is the same.
  • a mapping relationship between the group index and the priority value is broadcast by the base station device Message, or RRC message, or non-access stratum NAS message notification.
  • the corresponding relationship between the group index and the group identifier is defined by the user equipment and is through a radio control protocol RRC message or non- The access layer NAS message is reported to the base station device.
  • a mapping relationship between the group identifier and the priority value is performed by a proximity service function Prose Function Define and notify the user equipment or the base station equipment.
  • a second aspect of the embodiments of the present invention provides a method for group communication, where the method is applied to a base station side, including:
  • a buffer status report BSR where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, where each Decoding the group index or each of the group identifiers to a predefined priority value;
  • the method before the receiving the BSR sent by the at least one user equipment, the method further includes:
  • the user equipment is allocated the time-frequency resource required for sending the BSR.
  • mapping between the group index and the priority value includes:
  • the same group index is mapped to the same priority value, wherein the group index corresponding to the group of the same service type is the same.
  • the method before the receiving the BSR sent by the at least one user equipment, the method further includes:
  • mapping the relationship between the group index and the priority value to each user equipment by using a broadcast message, or an RRC message, or a non-access stratum NAS message.
  • a corresponding relationship between the group index and the group identifier is defined by each user equipment and is a RRC message through a radio control protocol. Or reported by a non-access stratum NAS message.
  • a mapping relationship between the group identifier and the priority value is defined by a proximity service function Prose Function And notified by the proximity service function, or the specified user equipment, or the mobility management entity MME/Home Subscriber Server HSS.
  • a third aspect of the embodiments of the present invention provides a user equipment, including:
  • a report sending module configured to send a buffer status report BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, Each of the group index or each of the group identifiers is mapped to a predefined priority value, so that the base station device allocates time-frequency resources according to the user equipment whose priority value is different;
  • a resource obtaining module configured to acquire the time-frequency resource allocated by the base station device to the user equipment
  • a resource allocation module configured to allocate the time-frequency resource to the group where the user equipment is located according to the priority value
  • a group communication module configured to perform group communication with other user equipments in the group allocated to the time-frequency resource.
  • the user equipment further includes:
  • a scheduling requesting module configured to determine whether there is a time-frequency resource required for sending the BSR, and if not, sending a scheduling request SR to the base station device, so that the base station device allocates, to the user equipment, the required to send the BSR Time-frequency resources.
  • the group index A mapping relationship with the priority value including:
  • the same group index is mapped to the same priority value, wherein the group index corresponding to the group of the same service type is the same.
  • a mapping relationship between the group index and the priority value is broadcast by the base station device Message, or RRC message, or non-access stratum NAS message notification.
  • the corresponding relationship between the group index and the group identifier is defined by the user equipment and is through a radio control protocol RRC message or non- The access layer NAS message is reported to the base station device.
  • a mapping relationship between the group identifier and the priority value is performed by a proximity service function Prose Function Define and notify the user equipment or the base station equipment.
  • a fourth aspect of the embodiments of the present invention provides a method for group communication, including:
  • a report receiving module configured to receive a buffer status report BSR sent by at least one user equipment, where the BSR carries at least one group index, where each group index corresponds to a group of at least one group in which the user equipment is located An identification code, each of the group index or each of the group identification codes being mapped to a predefined priority value;
  • a resource allocation module configured to allocate time-frequency resources according to the user equipments with different priority values, so that each of the user equipments respectively allocates the time-frequency resources to respective groups, and when allocated to the respective groups Other user equipments in the group of frequency resources perform group communication.
  • the base station device further includes:
  • the scheduling response module is configured to allocate, to the user equipment, a time-frequency resource required for sending the BSR, if the scheduling request SR sent by any user equipment is received.
  • mapping between the group index and the priority value includes:
  • the same group index is mapped to the same priority value, wherein the group index corresponding to the group of the same service type is the same.
  • the base station device further includes:
  • the relationship notification module is configured to notify each user equipment by using a broadcast message, or an RRC message, or a non-access stratum NAS message, to map the relationship between the group index and the priority value.
  • the corresponding relationship between the group index and the group identifier is defined by each user equipment and passed a radio control protocol RRC message. Or reported by a non-access stratum NAS message.
  • a mapping relationship between the group identifier and the priority value is defined by a proximity service function Prose Function And notified by the proximity service function, or the specified user equipment, or the mobility management entity MME/Home Subscriber Server HSS.
  • a fifth aspect of the embodiments of the present invention provides a system for group communication, including at least one user equipment provided by the third aspect, and the base station device provided by the fourth aspect.
  • the user equipment carries at least one group index in the BSR sent by the base station device, where each group index corresponds to a group identifier of at least one group where the user equipment is located, and each group index Or each group identifier is mapped to a predefined priority value, so that the base station device allocates time-frequency resources according to the BSR and the predefined user equipment with different priority values, and each user equipment receives the time-frequency allocated thereto.
  • the allocated time-frequency resources are allocated to the respective groups in which they are located according to the predefined priority values, and then group communication is performed with other user equipments in the group allocated to the time-frequency resources, thereby ensuring the group.
  • the resources required for group communication are allocated reasonably, and the time-frequency resources are not excessively allocated to user equipments and groups with smaller priority values, thereby improving service quality.
  • FIG. 1 is a schematic flowchart of a method for group communication according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of another method for group group communication according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of still another method for group communication according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a base station device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a system for group communication according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a scenario of group communication according to an embodiment of the present invention.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD LTE Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • a user equipment may be referred to as a terminal (Mobile), a mobile station ("MS” for short) or a mobile terminal (Mobile Terminal).
  • the user equipment can communicate with one or more core networks via a Radio Access Network (“RAN"), for example, the user equipment can be a mobile phone (or “cellular” phone) Or a computer with a mobile terminal, etc., for example, the user device can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges voice and/or data with the wireless access network.
  • the base station device may be an evolved base station (Evolutional Node B, referred to as "eNB”) in LTE.
  • eNB evolved base station
  • the SRC UE indicates a source UE (ie, a UE transmitting data), and the DST UE indicates a target UE (ie, receiving data).
  • UE the dotted circle represents the group group, and the source UE and the target UE pass through the group
  • the group communication is performed through the Sidelink Channel.
  • the source UE and the target UE can be in different groups at the same time.
  • the eNB indicates a base station device, and the source UE needs to request the time-frequency resource from the eNB to implement group communication with the target UE in the group.
  • FIG. 1 is a schematic flowchart of a method for group communication according to an embodiment of the present invention, where the method is applied to user equipment in a communication system.
  • the flow of the method for group communication in this embodiment as shown in the figure may include:
  • S101 Send a buffer status report BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, and each of the The group index or each of the group identifiers is mapped to a predefined priority value, so that the base station device allocates time-frequency resources according to the user equipment whose priority value is different.
  • the Buffer Status Report is used to report the Buffer Size of the UE to the eNB, that is, the required time-frequency resource.
  • the eNB reports the required time-frequency resources of each group group in which the UE is located, so that the eNB allocates time-frequency resources for each group, for example, there are three groups in which the source UE is located, and Group1, Group2, and Group3 respectively need
  • the time-frequency resources are a, b, and c.
  • the eNB allocates the time-frequency resources of a+b+c to the source UE, and the source UEs respectively allocate them to Group1, Group2, and Group3.
  • the limited time-frequency resources can be allocated to the group with higher priority as much as possible by means of the eNB control or the proximity service function Prose Function.
  • the user equipment sends a BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, and each The group index is mapped to a predefined priority value.
  • the group index is the information in the group index field in the BSR, and the group identifier can uniquely identify the group. It can be understood that different groups are distinguished by the group index field in the BSR, and each group index is mapped to one. A predefined priority value.
  • group IDs of group1, group2, and group3 are g1, g2, and g3, and the corresponding group indexes are Gi1, Gi2, and Gi3.
  • the base station device receives the BSR sent by the at least one user equipment, and allocates the time-frequency resource according to the user equipment with different priority values.
  • the eNB receives the BSRs sent by the two source UEs, and the group index carried by the BSRs sent by the source UE1 is Gi1, Gi2, and Gi3, and the group index carried by the BSRs sent by the source UE2 has Gi4 and Gi5, and the predefined priorities.
  • the time-frequency resources are allocated for allocation, and the time-frequency resources allocated by the eNB for Gi1, Gi2, Gi3, Gi4, and Gi5 are 0, a, a, a, and 0, respectively, according to the order of priority values being small to large.
  • the time-frequency resources allocated by the eNB for the source UE1 and the source UE2 are a+a and a, respectively.
  • the user equipment sends a BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, and Different group identification codes are distinguished by a group index field in the BSR, and each group identification code is mapped to a predefined priority value.
  • the base station device receives the BSR sent by the at least one user equipment, and allocates the time-frequency resource according to the user equipment with different priority values.
  • the eNB receives the BSRs sent by the two source UEs, and the group index carried by the BSRs sent by the source UE1 is Gi1, Gi2, and Gi3, and the group index carried by the BSRs sent by the source UE2 is Gi4 and Gi5, and Gi1, Gi2, and Gi
  • the time-frequency resources required by respectively, group2, group3, group4, and group5 are all a. If the eNB has a time-frequency resource of a+a+a for allocation, the eNB is g1 according to the priority value from small to large.
  • the time-frequency resources allocated by g2, g3, g4, and g5 are 0, a, a, a, and 0, respectively. It can be seen that the time-frequency resources allocated by the eNB for the source UE1 and the source UE2 are a+a and a, respectively.
  • the user equipment acquires all the groups in which the base station device is located by monitoring the physical downlink control channel (PDCCH) or the enhanced physical downlink control channel (ePDCCH). The sum of the allocated time-frequency resources.
  • PDCCH physical downlink control channel
  • ePDCCH enhanced physical downlink control channel
  • the source UE performs group communication with the target UE in group2 and the target UE in group3.
  • the user equipment carries at least one group index in the BSR sent by the base station device, where each group index corresponds to a group identifier of at least one group where the user equipment is located, and each group index Or each group identifier is mapped to a predefined priority value, so that the base station device allocates time-frequency resources according to the BSR and the predefined user equipment with different priority values, and each user equipment receives the time-frequency allocated thereto.
  • the allocated time-frequency resources are allocated to the respective groups in which they are located according to the predefined priority values, and then group communication is performed with other user equipments in the group allocated to the time-frequency resources, thereby ensuring the group.
  • the resources required for group communication are allocated reasonably, and the time-frequency resources are not excessively allocated to user equipments and groups with smaller priority values, thereby improving service quality.
  • FIG. 2 is a schematic flowchart of a method for communication of another group group in the embodiment of the present invention, and specifically describes a group communication method based on an eNB management mode, which is applied to user equipment and base station equipment in a communication system.
  • Can include:
  • the base station device notifies each user equipment by using a broadcast message, a radio control protocol RRC message, or a non-access stratum NAS message to map the relationship between the group index and the priority value.
  • the English name of RRC is called Radio Resource Control
  • the English name of NAS is called Non-Access Stratum.
  • the priority value is predefined and may be defined by a base station device. It can also be defined by the designer and is not limited here.
  • the user equipment determines whether there is a time-frequency resource required for sending the BSR.
  • the user equipment determines whether there is currently a time-frequency resource required for transmitting the BSR. If not, step S203 is performed, and if yes, step S205 is performed.
  • the user equipment sends a scheduling request SR to the base station device.
  • the English name of the SR is called the Scheduling Request.
  • the user equipment sends a scheduling request SR to the base station device to request allocation of time-frequency resources.
  • the base station device allocates a time-frequency resource required for sending the BSR to the user equipment, if it receives a scheduling request SR sent by any user equipment.
  • the user equipment sends a buffer status report BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, and each The group index is mapped to a predefined priority value.
  • the user equipment sends a BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, and each The group index is mapped to a predefined priority value.
  • the group index is the information in the group index field in the BSR, and the group identifier can uniquely identify the group. It can be understood that different groups are distinguished by the group index field in the BSR, and each group index is mapped to one. A predefined priority value.
  • the same group index is mapped to the same priority value, and the group index corresponding to the group of the same service type is the same. It can be understood that the source UE groups the groups with the same service type into the same group index.
  • the base station device receives a buffer status report BSR sent by at least one user equipment.
  • the base station device allocates a time-frequency resource according to the user equipment whose priority value is different.
  • the eNB receives the BSRs sent by the two source UEs, and the group index carried by the BSRs sent by the source UE1 is Gi1, Gi2, and Gi3, and the group index carried by the BSRs sent by the source UE2 has Gi4 and Gi5, and the predefined priorities.
  • the frequency resource is used for allocation, and the time-frequency resources allocated by the eNB for Gi1, Gi2, Gi3, Gi4, and Gi5 are 0, a, a, a, and 0, respectively, according to the order of the priority values, and the eNB is
  • the time-frequency resources allocated by the source UE1 and the source UE2 are respectively a+a and a.
  • the user equipment acquires the time-frequency resource allocated by the base station device to the user equipment.
  • the user equipment acquires all the groups in which the base station device is located by monitoring the physical downlink control channel (PDCCH) or the enhanced physical downlink control channel (ePDCCH). The sum of the allocated time-frequency resources.
  • PDCCH physical downlink control channel
  • ePDCCH enhanced physical downlink control channel
  • the user equipment allocates the time-frequency resource to the group where the user equipment is located according to the priority value.
  • the time-frequency resources allocated by the user equipment for group1, group2, and group3 are 0, a, and a.
  • the user equipment performs group communication with other user equipments in the group that are allocated to the time-frequency resource.
  • the source UE performs group communication with the target UE in group2 and the target UE in group3.
  • the user equipment carries at least one group index in the BSR sent by the base station device, where each group index corresponds to a group identifier of at least one group where the user equipment is located, and each group index Mapping to a predefined priority value, so that the base station device allocates time-frequency resources according to the BSR and the predefined user equipment with different priority values, and each user equipment receives the time-frequency resource allocated thereto, and then according to the predefined
  • the priority value assigns the allocated time-frequency resources to each group in which they are located, and then performs group communication with other user equipments in the group allocated to the time-frequency resource, thereby ensuring resources required for group communication.
  • Reasonable allocation to avoid excessive allocation of time-frequency resources to user equipment and groups with lower priority values to improve service quality.
  • FIG. 3 is a schematic flowchart of another method for group communication according to an embodiment of the present invention, and specifically describes a group communication method based on a Prose Function management mode, which is applied to user equipment and base station equipment in a communication system, Can include:
  • the user equipment defines a correspondence between the group index and the group identifier, and reports the information to the base station device by using a radio control protocol RRC message or a non-access stratum NAS message.
  • the English name of RRC is called Radio Resource Control
  • the English name of NAS is called Non-Access Stratum.
  • the relationship between the group identification code and the priority value is defined by the proximity service function Prose Function and notified to the user equipment or the base station device.
  • the eNB obtains the mapping between the group identifier and the priority value from the Prose Function through the predefined interface, and can also pass the mobility management entity MME (Mobility Management Entity)/Home Subscriber Server (HSS).
  • MME Mobility Management Entity
  • HSS Home Subscriber Server
  • the related interface of the Home Subscriber Server is obtained from the LSP message sent by the source UE (required that the source UE first acquires from the related interface of the Prose Function).
  • the user equipment determines whether there is a time-frequency resource required for sending the BSR.
  • the user equipment determines whether there is currently a time-frequency resource required for transmitting the BSR. If not, step S303 is performed, and if yes, step S305 is performed.
  • the user equipment sends a scheduling request SR to the base station device.
  • the English name of the SR is called the Scheduling Request.
  • the user equipment sends a scheduling request SR to the base station device to request allocation of time-frequency resources.
  • the base station device allocates a time-frequency resource required for sending the BSR to the user equipment, if it receives a scheduling request SR sent by any user equipment.
  • the user equipment sends a buffer status report BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, and each The group identification code is mapped to a predefined priority value.
  • the user equipment sends a BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, and Different group identification codes are distinguished by a group index field in the BSR, and each group identification code is mapped to a predefined priority value.
  • the base station device receives a buffer status report BSR sent by at least one user equipment.
  • the base station device allocates a time-frequency resource according to the user equipment whose priority value is different.
  • the eNB receives the BSRs sent by the two source UEs, and the group index carried by the BSRs sent by the source UE1 is Gi1, Gi2, and Gi3, and the group index carried by the BSRs sent by the source UE2 is Gi4 and Gi5, and Gi1, Gi2, and Gi
  • the time-frequency resources required by respectively, group2, group3, group4, and group5 are all a.
  • the eNB has a time-frequency resource of a+a+a for allocation, the eNB is g1 according to the priority value from small to large.
  • the time-frequency resources allocated by g2, g3, g4, and g5 are 0, a, a, a, and 0, respectively. It can be seen that the time-frequency resources allocated by the eNB for the source UE1 and the source UE2 are a+a and a, respectively.
  • the user equipment acquires the time-frequency resource allocated by the base station device to the user equipment.
  • the user equipment acquires all the groups in which the base station device is located by monitoring the physical downlink control channel (PDCCH) or the enhanced physical downlink control channel (ePDCCH). The sum of the allocated time-frequency resources.
  • PDCCH physical downlink control channel
  • ePDCCH enhanced physical downlink control channel
  • the user equipment allocates the time-frequency resource to the group where the user equipment is located according to the priority value.
  • the user equipment performs group communication with other user equipments in the group that are allocated to the time-frequency resource.
  • the source UE performs group communication with the target UE in group2 and the target UE in group3.
  • the user equipment carries at least one group index in the BSR sent by the base station device, where each group index corresponds to a group identifier of at least one group in which the user equipment is located, and each group identifier
  • the code is mapped to a predefined priority value, so that the base station device allocates time-frequency resources according to the BSR and the predefined priority value of the user equipment, and each user equipment receives the time-frequency resource allocated thereto, and then according to the pre-
  • the defined priority value allocates the allocated time-frequency resources to each group in which they are located, and then performs group communication with other user equipments in the group allocated to the time-frequency resource, thereby ensuring resources required for group communication.
  • a reasonable allocation is made to avoid excessive allocation of time-frequency resources to user equipments and groups with lower priority values, thereby improving service quality.
  • FIG. 4 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment in the embodiment of the present invention may include at least a report sending module 410, a resource obtaining module 420, a resource allocating module 430, and a group communication module 440, where:
  • the report sending module 410 is configured to send a buffer status report BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located. Each of the group index or each of the group identifiers is mapped to a predefined priority value, so that the base station device allocates time-frequency resources according to the user equipment whose priority value is different.
  • the Buffer Status Report is used to report the Buffer Size of the UE to the eNB, that is, the required time-frequency resource.
  • the eNB reports the required time-frequency resources of each group group in which the UE is located, so that the eNB allocates time-frequency resources for each group, for example, there are three groups in which the source UE is located, and Group1, Group2, and Group3 respectively need
  • the time-frequency resources are a, b, and c.
  • the eNB allocates the time-frequency resources of a+b+c to the source UE, and the source UEs respectively allocate them to Group1, Group2, and Group3.
  • the limited time-frequency resources can be allocated to the group with higher priority as much as possible by means of the eNB control or the proximity service function Prose Function.
  • the report sending module 410 sends a BSR to the base station device, where the BSR carries at least one a group index, each of the group indexes corresponding to a group identifier of at least one group in which the user equipment is located, each of the group indexes being mapped to a predefined priority value.
  • the group index is the information in the group index field in the BSR, and the group identifier can uniquely identify the group. It can be understood that different groups are distinguished by the group index field in the BSR, and each group index is mapped to one. A predefined priority value.
  • the base station device receives the BSR sent by the at least one user equipment, and allocates the time-frequency resource according to the user equipment with different priority values.
  • the eNB receives the BSRs sent by the two source UEs, and the group index carried by the BSRs sent by the source UE1 is Gi1, Gi2, and Gi3, and the group index carried by the BSRs sent by the source UE2 has Gi4 and Gi5, and the predefined priorities.
  • the time-frequency resources are allocated for allocation, and the time-frequency resources allocated by the eNB for Gi1, Gi2, Gi3, Gi4, and Gi5 are 0, a, a, a, and 0, respectively, according to the order of priority values being small to large.
  • the time-frequency resources allocated by the eNB for the source UE1 and the source UE2 are a+a and a, respectively.
  • the report sending module 410 sends a BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group where the user equipment is located, and is different.
  • the base station device receives the BSR sent by the at least one user equipment, and allocates the time-frequency resource according to the user equipment with different priority values.
  • the eNB receives the BSRs sent by the two source UEs, and the group index carried by the BSRs sent by the source UE1 is Gi1, Gi2, and Gi3, and the group index carried by the BSRs sent by the source UE2 is Gi4 and Gi5, and Gi1, Gi2, and Gi
  • the time-frequency resources required by group, group2, group3, group4, and group5 are all a. If the eNB has a time-frequency resource of a+a+a for allocation, then the priority value is small to large.
  • the time-frequency resources allocated by the eNB for g1, g2, g3, g4, and g5 are 0, a, a, a, and 0, respectively. It can be seen that the time-frequency resources allocated by the eNB for the source UE1 and the source UE2 are a+a and a.
  • the resource obtaining module 420 is configured to acquire the time-frequency resource allocated by the base station device to the user equipment.
  • the resource acquisition module 420 acquires a Physical Downlink Control Channel (PDCCH) or an Enhanced Physical Downlink Control Channel (ePDCCH) to obtain an allocation of all the groups in which the base station device is located. The sum of time-frequency resources.
  • PDCH Physical Downlink Control Channel
  • ePDCCH Enhanced Physical Downlink Control Channel
  • the resource allocation module 430 is configured to allocate the time-frequency resource to the group where the user equipment is located according to the priority value.
  • the group communication module 440 is configured to perform group communication with other user equipments in the group allocated to the time-frequency resource.
  • the group communication module 440 performs group communication with the target UE in group2 and the target UE in group3.
  • the user equipment in the embodiment of the present invention may further include a scheduling request module 450, configured to determine whether there is a time-frequency resource required for sending the BSR, and if not, to The base station device sends a scheduling request SR, so that the base station device allocates time-frequency resources required for sending the BSR to the user equipment.
  • a scheduling request module 450 configured to determine whether there is a time-frequency resource required for sending the BSR, and if not, to The base station device sends a scheduling request SR, so that the base station device allocates time-frequency resources required for sending the BSR to the user equipment.
  • FIG. 5 is a schematic structural diagram of a base station device according to an embodiment of the present invention.
  • the base station device in the embodiment of the present invention may include at least a report receiving module 510 and a resource allocating module 520, where:
  • the report receiving module 510 is configured to receive a buffer status report sent by at least one user equipment.
  • a BSR where the BSR carries at least one group index, each of the group indexes corresponding to a group identifier of at least one group in which one user equipment is located, and each of the group indexes or each of the groups
  • the identification code is mapped to a predefined priority value.
  • the Buffer Status Report is used to report the Buffer Size of the UE to the eNB, that is, the required time-frequency resource.
  • the eNB reports the required time-frequency resources of each group group in which the UE is located, so that the eNB allocates time-frequency resources for each group, for example, there are three groups in which the source UE is located, and Group1, Group2, and Group3 respectively need
  • the time-frequency resources are a, b, and c.
  • the eNB allocates the time-frequency resources of a+b+c to the source UE, and the source UEs respectively allocate them to Group1, Group2, and Group3.
  • the limited time-frequency resources can be allocated to the group with higher priority as much as possible by means of the eNB control or the proximity service function Prose Function.
  • the user equipment sends a BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group in which the user equipment is located, and each of the The group index is mapped to a predefined priority value.
  • the group index is the information in the group index field in the BSR, and the group identifier can uniquely identify the group. It can be understood that different groups are distinguished by the group index field in the BSR, and each group index is mapped to one. A predefined priority value.
  • the report receiving module 510 receives the BSR sent by at least one user equipment.
  • the user equipment sends a BSR to the base station device, where the BSR carries at least one group index, and each of the group indexes corresponds to a group identifier of at least one group in which the user equipment is located, and different groups are
  • the report receiving module 510 receives the BSR sent by at least one user equipment.
  • the resource allocation module 520 is configured to allocate time-frequency resources according to the user equipments with different priority values, so that each of the user equipments respectively allocates the time-frequency resources to respective groups, and allocates to the Other user equipments in the group of time-frequency resources perform group communication.
  • the report receiving module 510 receives the BSRs sent by the two source UEs, and the group index carried by the BSRs sent by the source UE1 is Gi1, Gi2, and Gi3, and the group indexes carried by the BSRs sent by the source UE2 are Gi4 and Gi5, and are predefined.
  • the time-frequency resources of a+a are used for allocation, and the time-frequency resources allocated by the resource allocation module 520 for Gi1, Gi2, Gi3, Gi4, and Gi5 are 0, a, a, respectively, according to the order of priority values being small to large.
  • a, 0, and further, the time-frequency resources allocated by the resource allocation module 520 for the source UE1 and the source UE2 are a+a and a, respectively.
  • the report receiving module 510 receives the BSRs sent by the two source UEs, and the group index carried by the BSRs sent by the source UE1 is Gi1, Gi2, and Gi3, and the group index carried by the BSRs sent by the source UE2 is Gi4 and Gi5, Gi1.
  • the time-frequency resources required by group1, group2, group3, group4, and group5 are all a.
  • the time-frequency resources allocated by the resource allocation module 520 for g1, g2, g3, g4, and g5 are 0, a, a, a, and 0, respectively. Further, the time-frequency resources allocated by the resource allocation module 520 for the source UE1 and the source UE2 are respectively a+a and a.
  • the user equipment acquires all the groups in which the base station device is located by monitoring the physical downlink control channel (PDCCH) or the enhanced physical downlink control channel (ePDCCH).
  • the sum of the allocated time-frequency resources, and then the time-frequency resource is allocated to the group in which the user equipment is located according to the priority value. For example, suppose that the user equipment (source UE) has three groups, and the group identifiers of group1, group2, and group3 are g1, g2, and g3, and their corresponding groups.
  • the required time-frequency resources are all a, and the time-frequency resources allocated by the eNB are only a+a, and the time-frequency resources allocated by the user equipment for group1, group2, and group3 are in the order of priority values being small to large. 0, a, a.
  • the user equipment performs group communication with other user equipments in the group allocated to the time-frequency resource. For example, if the time-frequency resources allocated by group1, group2, and group3 are 0, a, and a, then the source UE performs group communication with the target UE in group2 and the target UE in group3.
  • the base station device in the embodiment of the present invention may further include a scheduling requesting module 530, configured to allocate the scheduling request SR sent by any user equipment to the user equipment.
  • the time-frequency resource required to send the BSR may be further included in the base station device in the embodiment of the present invention.
  • the base station device in the embodiment of the present invention may further include a relationship notification module 540, configured to map a relationship between the group index and the priority value.
  • a relationship notification module 540 configured to map a relationship between the group index and the priority value.
  • Each of the user equipments is notified by a broadcast message, or an RRC message, or a non-access stratum NAS message.
  • FIG. 6 is a schematic structural diagram of a system for group communication according to an embodiment of the present invention.
  • the system for group communication in the embodiment of the present invention as shown in the figure may include at least one user equipment 610 and a base station device 620, where:
  • the user equipment 610 is a user equipment as described above with reference to FIG. 4, and is configured to send a buffer status report BSR to the base station apparatus 620, where the BSR carries at least one group index, and each group index corresponds to the user equipment 610.
  • a group identifier of at least one group, each group index or each group identifier is mapped to a predefined priority value; acquiring a time-frequency resource allocated by the base station device 620 for the user equipment 610; The level value allocates a time-frequency resource for the group in which the user equipment 610 is located; and performs group communication with other user equipments in the group allocated to the time-frequency resource.
  • the base station device 620 is a base station device as described above with reference to FIG. 5, and is configured to receive a buffer status report BSR sent by at least one user equipment 610; and allocate time-frequency resources according to different user equipments 610 with different priority values.
  • the user equipment carries at least one group index in the BSR sent by the base station device, where each group index corresponds to a group identifier of at least one group where the user equipment is located, and each group index Or each group identifier is mapped to a predefined priority value, so that the base station device allocates time-frequency resources according to the BSR and the predefined user equipment with different priority values, and each user equipment receives the time-frequency allocated thereto.
  • the allocated time-frequency resources are allocated to the respective groups in which they are located according to the predefined priority values, and then group communication is performed with other user equipments in the group allocated to the time-frequency resources, thereby ensuring the group.
  • the resources required for group communication are allocated reasonably, and the time-frequency resources are not excessively allocated to user equipments and groups with smaller priority values, thereby improving service quality.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
  • the modules in the apparatus of the embodiment of the present invention may be combined, divided, and deleted according to actual needs.
  • the module in the embodiment of the present invention may be implemented by a general-purpose integrated circuit, such as a CPU (Central Processing Unit) or an ASIC (Application Specific Integrated Circuit).
  • a general-purpose integrated circuit such as a CPU (Central Processing Unit) or an ASIC (Application Specific Integrated Circuit).

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de communication de groupe, comprenant les étapes consistant : à transmettre un rapport d'état de tampon (BSR) à un dispositif de station de base, le BSR contenant au moins un indice de groupe, chaque indice de groupe correspondant à un code de reconnaissance de groupe d'au moins un groupe dans lequel l'équipement utilisateur courant est situé, et chaque indice de groupe ou chaque code de reconnaissance de groupe étant mappé à une valeur de priorité prédéfinie, de manière que le dispositif de station de base distribue des ressources temps-fréquence pour différents équipements utilisateur selon la valeur de priorité ; à acquérir des ressources temps-fréquence distribuées par le dispositif de station de base aux présents équipements utilisateur ; à distribuer les ressources temps-fréquence au groupe dans lequel l'équipement utilisateur courant est situé selon la valeur de priorité ; et à effectuer une communication de groupe avec d'autres équipements utilisateur dans le groupe auquel les ressources temps-fréquence sont distribuées. En conséquence, les modes de réalisation de la présente invention concernent également un équipement utilisateur, un dispositif de station de base et un système de communication de groupe. Au moyen du procédé de communication de groupe de la présente invention, il est possible d'assurer que des ressources requises par une communication de groupe sont distribuées raisonnablement, améliorant la qualité commerciale.
PCT/CN2015/080407 2015-03-31 2015-05-29 Procédé de communication de groupe, équipement utilisateur, dispositif de station de base et système WO2016155113A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510147650.3A CN104754524B (zh) 2015-03-31 2015-03-31 一种群组通信的方法、用户设备、基站设备及系统
CN201510147650.3 2015-03-31

Publications (1)

Publication Number Publication Date
WO2016155113A1 true WO2016155113A1 (fr) 2016-10-06

Family

ID=53593504

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/080407 WO2016155113A1 (fr) 2015-03-31 2015-05-29 Procédé de communication de groupe, équipement utilisateur, dispositif de station de base et système

Country Status (2)

Country Link
CN (1) CN104754524B (fr)
WO (1) WO2016155113A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2995288A1 (fr) 2015-08-12 2017-02-16 Huawei Technologies Co., Ltd. Equipement d'utilisateur, equipement reseau, et procede de transmission de donnees
CN106714078A (zh) * 2015-11-17 2017-05-24 北京信威通信技术股份有限公司 基于基站控制的d2d通信方法、装置和系统
CN107360627A (zh) * 2016-05-10 2017-11-17 北京信威通信技术股份有限公司 资源调度方法及装置
CN109076509B (zh) * 2016-05-13 2024-01-16 苹果公司 车辆近距离服务的优先通信
US11343673B2 (en) * 2016-07-14 2022-05-24 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced aggregated re-authentication for wireless devices
CN107690127A (zh) * 2016-08-04 2018-02-13 北京信威通信技术股份有限公司 一种通信资源的确定方法及装置
CN108401302B (zh) * 2017-02-04 2022-07-29 华为技术有限公司 一种资源调度方法、装置及系统
WO2018182603A1 (fr) * 2017-03-30 2018-10-04 Intel IP Corporation Recherche de dispositif à dispositif destinée à une opération coopérative
JP6930849B2 (ja) * 2017-04-03 2021-09-01 Kddi株式会社 端末装置、基地局装置、制御方法、及びプログラム
CN109005595B (zh) * 2018-06-29 2022-08-30 西南电子技术研究所（中国电子科技集团公司第十研究所） 自适应选择多信道自组织网络时频块的方法
CN111436032B (zh) * 2019-01-11 2022-09-13 大唐移动通信设备有限公司 缓存状态报告的上报、接收方法、资源分配方法及设备
CN112152822B (zh) * 2020-10-12 2023-07-11 长春创世麒麟科技有限公司 一种基于实时数据通信网关的群组通信方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101483918A (zh) * 2008-01-08 2009-07-15 华为技术有限公司 缓冲区状态报告的发送方法及其装置
CN102573089A (zh) * 2010-12-08 2012-07-11 普天信息技术研究院有限公司 宽带集群系统中缓存状态报告的上报方法
CN103098507A (zh) * 2010-04-02 2013-05-08 交互数字专利控股公司 用于支持经由中继节点的通信的方法和设备
US20140071940A1 (en) * 2012-09-13 2014-03-13 Qualcomm Incorporated Method and apparatus for selective better system reselection for wireless devices capable of cell reselection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101483918A (zh) * 2008-01-08 2009-07-15 华为技术有限公司 缓冲区状态报告的发送方法及其装置
CN103098507A (zh) * 2010-04-02 2013-05-08 交互数字专利控股公司 用于支持经由中继节点的通信的方法和设备
CN102573089A (zh) * 2010-12-08 2012-07-11 普天信息技术研究院有限公司 宽带集群系统中缓存状态报告的上报方法
US20140071940A1 (en) * 2012-09-13 2014-03-13 Qualcomm Incorporated Method and apparatus for selective better system reselection for wireless devices capable of cell reselection

Also Published As

Publication number Publication date
CN104754524B (zh) 2018-06-15
CN104754524A (zh) 2015-07-01

Similar Documents

Publication Publication Date Title
WO2016155113A1 (fr) Procédé de communication de groupe, équipement utilisateur, dispositif de station de base et système
CN105553612B (zh) 一种d2d通信链路的传输方法和基站以及终端
US11343802B2 (en) Semi-persistent scheduling method and apparatus
CN108029120B (zh) 用于为低复杂度窄带终端指示对随机接入过程中的harq消息分配的资源的方法
CN105453675B (zh) 用于执行设备到设备通信的方法和装置
JP2022549595A (ja) データ送信方法と装置
JP6239280B2 (ja) ユーザ端末、プロセッサ及び移動通信システム
WO2016049890A1 (fr) Procédé et dispositif de transmission de données
WO2017070842A1 (fr) Système, appareil et procédé de communication de dispositif à dispositif (d2d)
US20180139599A1 (en) User device and base station
US20150055567A1 (en) Methods and devices for allocating resources in device-to-device communication
WO2020088688A1 (fr) Procédé et dispositif de configuration de ressources
CN111867089B (zh) 一种资源分配方法及设备
KR101813822B1 (ko) D2d 발견 신호의 송신 방법과 송신 장치
WO2016191943A1 (fr) Procédé, station de base, et équipement utilisateur pour la planification de ressources
JP2017537540A (ja) 物理下りリンク制御チャネル伝送方法、基地局装置およびユーザ機器
CN110050415B (zh) 用于上行链路传送的方法和设备
WO2014043902A1 (fr) Procédé de transmission d'information de commande en liaison descendante, dispositif côté réseau et équipement d'utilisateur
CN113661772A (zh) 边链路传输中用户设备上下文的标识方法及装置
EP3130162B1 (fr) Opérations de recherche d2d adaptative
WO2017070948A1 (fr) Procédé et appareil d'agrégation de porteuses
EP3565305B1 (fr) Procédé, appareil et système de planification de ressources
CN106792429B (zh) 用户设备、基站及近距离业务单播通信、资源调度方法
CN108141843B (zh) 数据发送方法、用户设备和网络设备
EP3606209B1 (fr) Procédé et appareil d'envoi d'informations, terminal, dispositif de réseau d'accès, et système

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15887080

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15887080

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 11/04/2018)

122 Ep: pct application non-entry in european phase

Ref document number: 15887080

Country of ref document: EP

Kind code of ref document: A1