CN106664693A - Method, base station, and user equipment for resource scheduling - Google Patents

Method, base station, and user equipment for resource scheduling Download PDF

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Publication number
CN106664693A
CN106664693A CN201580039166.7A CN201580039166A CN106664693A CN 106664693 A CN106664693 A CN 106664693A CN 201580039166 A CN201580039166 A CN 201580039166A CN 106664693 A CN106664693 A CN 106664693A
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sps
base station
resource
resources
cycles
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CN106664693B (en
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肖潇
曹振臻
李明超
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation

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

Abstract

A method, base station, and user equipment for resource scheduling can reduce PDCCH resource overheads of the base station during resource scheduling of D2D communications while ensuring communication performance, thus optimizing D2D communication capacity. An embodiment of the present invention comprises: when receiving a scheduling request which is used for requesting resources for the D2D communications and transmitted by a first User Equipment (UE), the base station determining that D2D service data satisfies a preset Semi-Persistent Scheduling (SPS) execution condition; configuring an SPS period for the D2D communications by means of the SPS, and allocating, in a D2D communication resource pool corresponding to the SPS period, SPS resources to the first UE; and, configuring the SPS resources for the first UE, and authorizing the SPS resources to the first UE, wherein the SPS resources are utilized by the first UE to periodically communicate with a second UE via a PC5 interface by using the SPS resources according to the SPS period.

Description

A kind of resource regulating method, base station and user equipment Technical field
The present invention relates to communication technical field, more particularly to a kind of resource regulating method, base station and user equipment.
Background technology
D2D (Device-to-Device, device-to-device) communication is a kind of under the control of system, the new technique of radio communication is directly carried out between permission terminal, in based on cellular D2D communication systems, UE (User Equipment, user equipment) between information exchange and wireless data transmission can directly be carried out by wireless communication link, without as conventional cellular systems, it is necessary to realize the radio communication between different UE by the forwarding of base station.At present, the research and development of D2D technologies come into normalization period at present, its standardization effort is carried out in standardization body 3GPP (3rd Generation Partner Project), wherein, 3GPP Release 12 are defined based on LTE (Long Term Evolution, Long Term Evolution) system D2D communication relevant criterions and technical specification, including D2D communications applications scene, type of service, framework and interface, used wireless communication resources, each protocol stack and respective communication technical specification etc..
The current D2D communication technologys are mainly using the resource allocation mechanism based on base station dynamic dispatching (Dynamic Scheduling, DS), the D2D allocation of communications resources for being UE in base station range.But, in the D2D communication resource distribution mechanism based on base station dynamic dispatching, for resource used in each D2D business data transmissions, it is required for base station to utilize PDCCH (Physical Uplink Control Channel, Physical Downlink Control Channel) send scheduling control information and authorize SL resources etc. for UE, cause PDCCH expenses too high, in turn result in D2D message capacities and be limited, significantly limit corresponding service can be while the number of users supported.
Especially for some types of service, such as, the business of characteristic is periodically generated with packet, with the VoIP voice datas communicated based on D2D, UE- network trunks are found exemplified by message (UE-to-Network Relay Discovery Message) etc., its D2D business datum generates and sent generally very frequent, D2D business datums transmission density is higher and the business duration is often longer, if using the above-mentioned D2D communication resource distribution mechanism based on base station dynamic dispatching, then the expense of control information is excessive, the number of users of the business such as the VoIP voice datas that serious limitation D2D communications can be supported.
The content of the invention
The embodiments of the invention provide a kind of resource regulating method, base station and user equipment, PDCCH resource expense of the base station in D2D communication resource scheduling processes can be reduced, so as to optimize D2D message capacities on the basis of communication performance is ensured.
The first aspect of the embodiment of the present invention provides a kind of base station, including:
Determining unit, condition is performed for when receiving the dispatch request being used for for device-to-device D2D communication request resources of the first user equipment (UE) transmission, determining that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS;
First processing units, after meeting default semi-continuous scheduling SPS execution conditions in determining unit determination, it is the D2D communication configuration SPS cycles using SPS modes, and is the first UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
Second processing unit, after being the first UE distribution SPS resources in the first processing units, SPS resource distributions are carried out to the first UE, and authorize the SPS resources for the first UE, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources.
With reference to the embodiment of the present invention in a first aspect, in the first implementation of the first aspect of the embodiment of the present invention,
The determining unit, specifically for determining that there is the D2D business datums packet to periodically generate characteristic, either determine that the D2D business datums need to perform SPS or determine that the D2D business datums have that packet periodically generates characteristic and the D2D business datums need to perform SPS.
With reference to the first implementation of the first aspect of the embodiment of the present invention, in second of implementation of the first aspect of the embodiment of the present invention,
The determining unit, specifically for when the first UE is based on the D2D direct mode operations initiation dispatch request, frequency is reported to determine that there is packet to periodically generate the Logic Channel Identifier in characteristic, or the data cached state report ProSe BSR of D2D sent by the first UE and determine that there is the D2D business datums packet to periodically generate characteristic for the D2D business datums by the dispatch request;Or, specifically for when the first UE is based on the D2D discovery modes initiation dispatch request, determining that the D2D business datums have packet periodically by the rrc layer message comprising the dispatch request Formation characteristic.
Any one of the first of first aspect, first aspect with reference to the embodiment of the present invention into second of implementation, in the third implementation of the first aspect of the embodiment of the present invention, the base station also includes:
Acquiring unit, for when the first UE is based on the D2D direct mode operations initiation dispatch request, before the first processing units are the D2D communication configuration SPS cycles using SPS modes, the packet generation cycle of the acquisition D2D business datums;
The first processing units, specifically for generating the cycle according to the packet for the SPS resource distributions SPS cycles.
With reference to the third implementation of the first aspect of the embodiment of the present invention, in the 4th kind of implementation of the first aspect of the embodiment of the present invention,
The acquiring unit, the packet for obtaining the D2D business datums specifically for the Logic Channel Identifier for reporting the packet of D2D business datums described in frequency acquisition to generate in cycle, or the ProSe BSR sent by the first UE by the dispatch request generates the cycle.
With reference to the third or the 4th kind of implementation of the first aspect of the embodiment of the present invention, in the 5th kind of implementation of the first aspect of the embodiment of the present invention,
The first processing units, control the SC cycles to be the SPS resource distributions SPS cycles specifically for the D2D links for generating cycle and the straight-through resource pools of the corresponding D2D of the first UE according to the packet.
With reference to the 5th kind of implementation of the first aspect of the embodiment of the present invention, in the 6th kind of implementation of the first aspect of the embodiment of the present invention,
The first processing units, specifically for the SPS cycles of the SPS resources are set into the least common multiple that the packet generates cycle and the SC cycles.
Any one of the first of first aspect, first aspect with reference to the embodiment of the present invention into second of implementation, in the 7th kind of implementation of the first aspect of the embodiment of the present invention,
The first processing units, specifically for being the SPS resource distributions SPS cycles according to the Discovery cycles of the corresponding discovery Discovery resource pools of the first UE when the first UE is based on the D2D discovery modes initiation dispatch request.
With reference to the 7th kind of implementation of the first aspect of the embodiment of the present invention, in the 8th kind of implementation of the first aspect of the embodiment of the present invention,
The first processing units, specifically for the SPS cycles of the SPS resources are set into institute State the Discovery cycles of the corresponding Discovery resource pools of the first UE.
Any one of the first of first aspect, first aspect with reference to the embodiment of the present invention into the 6th kind of implementation, in the 9th kind of implementation of the first aspect of the embodiment of the present invention,
The first processing units, specifically for when the first UE is based on the D2D direct mode operations initiation dispatch request, it is the first UE distribution SPS resources to be led directly in the D2D at least one SC cycle that the SPS cycles are included in resource pool.
Any one of the first of first aspect, first aspect with reference to the embodiment of the present invention into second, the 7th kind to the 8th kind implementation of first aspect, in the tenth kind of implementation of the first aspect of the embodiment of the present invention,
The first processing units, specifically for being the first UE distribution SPS resources in the Discovery resource pools at least one Discovery cycle that the SPS cycles are included when the first UE is based on the D2D discovery modes initiation dispatch request.
Any one of the first of first aspect, first aspect with reference to the embodiment of the present invention into the 6th kind, the 9th kind of implementation of first aspect, in a kind of the tenth implementation of the first aspect of the embodiment of the present invention,
The second processing unit, specifically when the first UE, which is based on D2D direct mode operations, initiates the dispatch request, for carrying out SPS resource distributions to the first UE by sending rrc layer message, wherein, the rrc layer message includes the identification information and the identification information in the SPS cycles of the SPS;It is the first UE mandates SPS resources by sending descending control information format 5.
Any one of the first of first aspect, first aspect with reference to the embodiment of the present invention into second, the 7th kind to the 8th kind of first aspect, the tenth kind of implementation of first aspect, in the 12nd kind of implementation of the first aspect of the embodiment of the present invention
The second processing unit, specifically for when the first UE is based on the D2D discovery modes initiation dispatch request, by sending rrc layer message to the first UE progress SPS resource distributions and authorizing the SPS resources for the first UE.
Any one of the first of first aspect, first aspect with reference to the embodiment of the present invention into the 12nd kind of implementation, in the 13rd kind of implementation of the first aspect of the embodiment of the present invention, the base station also includes:
3rd processing unit, for being that the first UE authorizes the SPS moneys in the second processing unit After source, when meeting default resource release conditions, the base station is released to the SPS resources of the first UE distribution.
With reference to the 13rd kind of implementation of the first aspect of the embodiment of the present invention, in the 14th kind of implementation of the first aspect of the embodiment of the present invention, the default resource release conditions include at least one of in the following manner:
The SPS releases that the base station receives the first UE transmissions indicate that the SPS release timers of message or the base station maintenance exceed predetermined threshold value.
Any one of the first of first aspect, first aspect with reference to the embodiment of the present invention into the 14th kind of implementation, in the 15th kind of implementation of the first aspect of the embodiment of the present invention,
The D2D business datums include UE- network trunks and find message and/or networking telephone VoIP voice datas.
The second aspect of the embodiment of the present invention provides a kind of user equipment, including:
Transmitting element, for being sent to base station for the dispatch request for D2D communication request resources;
Receiving unit, after sending dispatch request in the transmitting element, receive configuration information and authorization message that the base station is sent after SPS scheduling of resource is performed, wherein, the configuration information is used for the base station and carries out SPS resource distributions to the UE, it is that the UE authorizes SPS resources that the authorization message, which is used for the base station, and the base station performs SPS scheduling of resource and refers to that the base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and be the UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
Execution unit, after receiving configuration information and authorization message in the receiving unit, according to the SPS cycles, periodically carries out D2D communications using the SPS resources by PC5 interfaces and target UE.
With reference to the second aspect of the embodiment of the present invention, in the first implementation of the second aspect of the embodiment of the present invention,
The receiving unit, specifically for when the UE is based on the D2D direct mode operations initiation dispatch request, the rrc layer message that the base station is sent is received, the rrc layer message includes the configuration information, and the configuration information includes the identification information and the identification information in the SPS cycles of the SPS;The descending control information format 5 that the base station is sent is received, the descending control information format 5, which includes described authorize, to be believed Breath.
With reference to the second aspect of the embodiment of the present invention, in second of implementation of the second aspect of the embodiment of the present invention,
The receiving unit, specifically for when the UE is based on the D2D discovery modes initiation dispatch request, receiving the rrc layer message that the base station is sent, the rrc layer message includes the configuration information and authorization message.
Any one of the first of second aspect, second aspect with reference to the embodiment of the present invention into second of implementation, in the third implementation of the second aspect of the embodiment of the present invention,
The execution unit, is additionally operable to determination and meets default D2D sign offs condition, and stop using the SPS resources to carry out D2D communications;SPS releases are sent to the base station and indicate message, and the SPS releases indicate that message is used for the SPS resources for indicating that the base station is released to the UE distribution.
With reference to the third implementation of the second aspect of the embodiment of the present invention, in the 4th kind of implementation of the second aspect of the embodiment of the present invention,
The execution unit, is more than first threshold specifically for the number of times for determining to send without the D2D business datums, or the UE determines that it is more than Second Threshold to the target UE number of times for sending filling message.
Any one of the first of second aspect, second aspect with reference to the embodiment of the present invention into the 4th kind of implementation, in the 5th kind of implementation of the second aspect of the embodiment of the present invention,
The D2D business datums include UE- network trunks and find message and/or networking telephone VoIP voice datas.
The third aspect of the embodiment of the present invention provides a kind of resource regulating method, including:When receiving the dispatch request being used for for device-to-device D2D communication request resources of the first user equipment (UE) transmission,
Base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition;
The base station is the D2D communication configuration SPS cycles using SPS modes, and is the first UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
The base station carries out SPS resource distributions to the first UE, and authorize the SPS resources for the first UE, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources.
With reference to the third aspect of the embodiment of the present invention, in the first realization of the third aspect of the embodiment of the present invention In mode,
The base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS execution condition and included:
The base station determines that there is the D2D business datums packet to periodically generate characteristic, either the base station determines that the D2D business datums need to perform SPS or the base station and determine that the D2D business datums have that packet periodically generates characteristic and the D2D business datums need to perform SPS.
With reference to the first implementation of the third aspect of the embodiment of the present invention, in second of implementation of the third aspect of the embodiment of the present invention,
When the first UE, which is based on D2D direct mode operations, initiates the dispatch request, the base station determines that there is packet to periodically generate characteristic and include for the D2D business datums:
The base station reports frequency to determine that there is the D2D business datums packet to periodically generate characteristic by the dispatch request, or the Logic Channel Identifier in the data cached state report ProSe BSR of D2D that are sent by the first UE of the base station determines that there is the D2D business datums packet to periodically generate characteristic;
When the first UE, which is based on D2D discovery modes, initiates the dispatch request, the base station determines that there is packet to periodically generate characteristic and include for the D2D business datums:
The base station determines that there is the D2D business datums packet to periodically generate characteristic by the rrc layer message comprising the dispatch request.
Any one of the first of the third aspect, the third aspect with reference to the embodiment of the present invention into second of implementation, in the third implementation of the third aspect of the embodiment of the present invention,
When the first UE, which is based on D2D direct mode operations, initiates the dispatch request, also include before the base station is the D2D communication configuration SPS cycles using SPS modes:
The base station obtains the packet generation cycle of the D2D business datums;
Then the base station is to include in the D2D communication configuration SPS cycles using SPS modes:
The base station generates the cycle for the SPS resource distributions SPS cycles according to the packet.
With reference to the third implementation of the third aspect of the embodiment of the present invention, in the 4th kind of implementation of the third aspect of the embodiment of the present invention,
The packet generation cycle that the base station obtains the D2D business datums includes:
The packet for reporting D2D business datums described in frequency acquisition that the base station passes through the dispatch request The generation cycle;
Or, the packet that the Logic Channel Identifier in the ProSe BSR that the base station is sent by the first UE obtains the D2D business datums generates the cycle.
With reference to the third or the 4th kind of implementation of the third aspect of the embodiment of the present invention, in the 5th kind of implementation of the third aspect of the embodiment of the present invention,
The base station is to include in the SPS resource distributions SPS cycles according to the packet generation cycle:
The D2D links that the base station generates cycle and the straight-through resource pools of the corresponding D2D of the first UE according to the packet control the SC cycles to be the SPS resource distributions SPS cycles.
With reference to the 5th kind of implementation of the third aspect of the embodiment of the present invention, in the 6th kind of implementation of the third aspect of the embodiment of the present invention,
The SC cycles that the base station generates cycle and the straight-through resource pools of the corresponding D2D of the first UE according to the packet include for the SPS resource distributions SPS cycles:
The SPS cycles of the SPS resources are set to the least common multiple that the packet generates cycle and the SC cycles by the base station.
Any one of the first of the third aspect, the third aspect with reference to the embodiment of the present invention into second of implementation, in the 7th kind of implementation of the third aspect of the embodiment of the present invention,
When the first UE, which is based on D2D discovery modes, initiates the dispatch request, the base station is to include in the D2D communication configuration SPS cycles using SPS modes:
The base station is the SPS resource distributions SPS cycles according to the Discovery cycles of the corresponding discovery Discovery resource pools of the first UE.
With reference to the 7th kind of implementation of the third aspect of the embodiment of the present invention, in the 8th kind of implementation of the third aspect of the embodiment of the present invention,
The base station is to include in the SPS resource distributions SPS cycles according to the Discovery cycles of the corresponding Discovery resource pools of the first UE:
The SPS cycles of the SPS resources are set to the Discovery cycles of the corresponding Discovery resource pools of the first UE by the base station.
Any one of the first of the third aspect, the third aspect with reference to the embodiment of the present invention into the 6th kind of implementation, in the 9th kind of implementation of the third aspect of the embodiment of the present invention,
When the first UE, which is based on D2D direct mode operations, initiates the dispatch request, the SPS cycles Comprising at least one SC cycle, then the base station is that the first UE distribution SPS resources include in the SPS cycles corresponding D2D communication resources ponds:
It is the first UE distribution SPS resources that D2D of the base station at least one SC cycle that the SPS cycles are included, which is led directly in resource pool,.
Any one of the first of the third aspect, the third aspect with reference to the embodiment of the present invention into second, the 7th kind to the 8th kind implementation of the third aspect, in the tenth kind of implementation of the third aspect of the embodiment of the present invention,
When the first UE, which is based on D2D discovery modes, initiates the dispatch request, the SPS cycles include at least one Discovery cycle, then the base station is that the first UE distribution SPS resources include in the SPS cycles corresponding D2D communication resources ponds:
The base station is the first UE distribution SPS resources in the Discovery resource pools at least one Discovery cycle that the SPS cycles are included.
Any one of the first of the third aspect, the third aspect with reference to the embodiment of the present invention into the 6th kind, the 9th kind of implementation of the third aspect, in a kind of the tenth implementation of the third aspect of the embodiment of the present invention,
When the first UE, which is based on D2D direct mode operations, initiates the dispatch request, the base station carries out SPS resource distributions to the first UE and authorizes the SPS resources to include for the first UE:
The base station carries out SPS resource distributions by sending rrc layer message to the first UE, wherein, the rrc layer message includes the identification information and the identification information in the SPS cycles of the SPS;
The base station is the first UE mandates SPS resources by sending descending control information format 5.
Any one of the first of the third aspect, the third aspect with reference to the embodiment of the present invention into second, the 7th kind to the 8th kind of the third aspect, the tenth kind of implementation of the third aspect, in the 12nd kind of implementation of the third aspect of the embodiment of the present invention
When the first UE, which is based on D2D discovery modes, initiates the dispatch request, the base station carries out SPS resource distributions to the first UE and authorizes the SPS resources to include for the first UE:
The base station is by sending rrc layer message to the first UE progress SPS resource distributions and authorizing the SPS resources for the first UE.
The first of the third aspect, the third aspect with reference to the embodiment of the present invention are into the 12nd kind of implementation Any one, in the 13rd kind of implementation of the third aspect of the embodiment of the present invention,
Methods described also includes:
When meeting default resource release conditions, the base station is released to the SPS resources of the first UE distribution.
With reference to the 13rd kind of implementation of the third aspect of the embodiment of the present invention, in the 14th kind of implementation of the third aspect of the embodiment of the present invention,
The default resource release conditions include at least one of in the following manner:
The SPS releases that the base station receives the first UE transmissions indicate that the SPS release timers of message or the base station maintenance exceed predetermined threshold value.
Any one of the first of the third aspect, the third aspect with reference to the embodiment of the present invention into the 14th kind of implementation, in the 15th kind of implementation of the third aspect of the embodiment of the present invention,
The D2D business datums include UE- network trunks and find message and/or networking telephone VoIP voice datas.
The fourth aspect of the embodiment of the present invention provides a kind of resource regulating method, including:
UE is sent for the dispatch request for D2D communication request resources to base station;
UE receives configuration information and the authorization message that the base station is sent after SPS scheduling of resource is performed, wherein, the configuration information is used for the base station and carries out SPS resource distributions to the UE, it is that the UE authorizes SPS resources that the authorization message, which is used for the base station, and the base station performs SPS scheduling of resource and refers to that the base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and be the UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
The UE periodically carries out D2D communications using the SPS resources according to the SPS cycles by PC5 interfaces and target UE.
With reference to the fourth aspect of the embodiment of the present invention, in the first implementation of the fourth aspect of the embodiment of the present invention,
When the UE, which is based on D2D direct mode operations, initiates the dispatch request, the configuration information and authorization message that the UE receives the base station transmission include:
The UE receives the rrc layer message that the base station is sent, and the rrc layer message includes the configuration information, and the configuration information includes the identification information and the identification information in the SPS cycles of the SPS;
The UE receives the descending control information format 5 that the base station is sent, and the descending control information format 5 includes the authorization message.
With reference to the fourth aspect of the embodiment of the present invention, in second of implementation of the fourth aspect of the embodiment of the present invention,
When the UE, which is based on D2D discovery modes, initiates the dispatch request, the configuration information and authorization message that the UE receives the base station transmission include:
The UE receives the rrc layer message that the base station is sent, and the rrc layer message includes the configuration information and authorization message.
Any one of the first of fourth aspect, fourth aspect with reference to the embodiment of the present invention into second of implementation, in the third implementation of the fourth aspect of the embodiment of the present invention, methods described also includes:
The UE determines to meet default D2D sign offs condition, and stops using the SPS resources to carry out D2D communications;
The UE sends SPS releases to the base station and indicates message, and the SPS releases indicate that message is used for the SPS resources for indicating that the base station is released to the UE distribution.
With reference to the third implementation of the fourth aspect of the embodiment of the present invention, in the 4th kind of implementation of the fourth aspect of the embodiment of the present invention,
The UE determines that meeting default D2D sign offs condition includes:
The UE determines that the number of times sent without the D2D business datums is more than first threshold, or the UE determines that it is more than Second Threshold to the target UE number of times for sending filling message.
Any one of the first of fourth aspect, fourth aspect with reference to the embodiment of the present invention into the 4th kind of implementation, in the 5th kind of implementation of the fourth aspect of the embodiment of the present invention,
The D2D business datums include UE- network trunks and find message and/or networking telephone VoIP voice datas.
In the present embodiment, when receiving the dispatch request being used for for D2D communication request resources of the first UE transmissions, base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default SPS and perform condition first;Then it is the D2D communication configuration SPS cycles using SPS modes, and SPS resources is distributed for the first UE in the SPS cycles corresponding D2D communication resources ponds;SPS resource distributions are carried out to the first UE again, and the SPS resources are authorized for the first UE, wherein, the SPS resources are used for the first UE according to the SPS cycles, periodically pass through PC5 interfaces and second using the SPS resources UE carries out D2D communications.Therefore relative to prior art, the embodiment of the present invention is in D2D communication resource scheduling processes, if D2D communicates, D2D business datums waiting for transmission meet default SPS and perform condition, scheduling of resource is then carried out to D2D communications using SPS modes, it is being initially the UE D2D communication configuration SPS cycles and is distributing SPS resources, through a SPS resource distribution and mandate, UE just can carry out the transmission or reception of the D2D business datums every the fixed cycle (i.e. SPS cycles) using the SPS resources of above-mentioned initial configuration, without such as redistributing resource in the prior art for each D2D business data transmissions, reach and once configure and authorize, the purpose that cycle uses, can be on the basis of communication performance be ensured, reduce PDCCH resource expense of the base station in D2D communication resource scheduling processes, so as to optimize D2D message capacities.
Brief description of the drawings
Fig. 1 is the schematic diagram of the resource regulating method of the D2D communications based on base station dynamic dispatching;
Fig. 2 is a structural representation based on cellular D2D communication systems in LTE network framework;
Fig. 3 is the application scenarios schematic diagram that D2D leads directly to technology;
Fig. 4 is the application scenarios schematic diagram of D2D discovery techniques;
Fig. 5 is resource regulating method one embodiment schematic diagram in the embodiment of the present invention;
Fig. 6 is another embodiment schematic diagram of resource regulating method in the embodiment of the present invention;
Fig. 7 is another embodiment schematic diagram of resource regulating method in the embodiment of the present invention;
Fig. 8 is another embodiment schematic diagram of resource regulating method in the embodiment of the present invention;
Fig. 9 is base station one embodiment schematic diagram in the embodiment of the present invention;
Figure 10 is another embodiment schematic diagram in base station in the embodiment of the present invention;
Figure 11 is another embodiment schematic diagram in base station in the embodiment of the present invention;
Figure 12 is another embodiment schematic diagram in base station in the embodiment of the present invention;
Figure 13 is user equipment one embodiment schematic diagram in the embodiment of the present invention;
Figure 14 is another embodiment schematic diagram of user equipment in the embodiment of the present invention;
Figure 15 is another embodiment schematic diagram of user equipment in the embodiment of the present invention;
Figure 16 is another embodiment schematic diagram of user equipment in the embodiment of the present invention.
Embodiment
The embodiments of the invention provide a kind of resource regulating method, base station and user equipment, it can ensure logical Believe on the basis of performance, reduce PDCCH resource expense of the base station in D2D communication resource scheduling processes, so as to optimize D2D message capacities, be described in detail individually below.
In order to make it easy to understand, being illustrated below to the resource allocation mechanism based on base station dynamic dispatching, as shown in figure 1, being the resource regulating method communicated based on the D2D of base station dynamic dispatching, following steps are specifically included:
101st, base station receives the dispatch request (Scheduling Request, SR) that UE1 is sent by Physical Uplink Control Channel (Physical Uplink Control Channel, PUCCH);
102nd, base station is received after SR, for data cached state report (the ProSe Buffer State Report of the UE1, ProSe BSR) report distributing radio resource, and progress ascending resource mandate (UL Grant) is reported for the ProSe BSR by Physical Downlink Control Channel (Physical Uplink Control Channel, PDCCH);
103rd, base station receives the ProSe BSR that UE1 is sent by Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH);
104th, base station is that UE1 carries out SL (Sidelink, D2D communication link) resource authorization (SL Grant) by the D2D allocation of communications Radio Resources that dynamic dispatching mechanism is UE1, and by PDCCH;
105th, D2D business datums, so that UE1 carries out D2D communications using above-mentioned Radio Resource and other UE (such as UE2), are transmitted in base station to entering line activating for the Radio Resource that UE1 is distributed.
The factors such as buffer data size, the channel condition of Radio Resource reported in real time according to each UE for ease of base station are each corresponding Radio Resource of UE flexible allocations, the above-mentioned D2D communication resource distributions mechanism based on base station dynamic dispatching is with a transmission time interval (Transmission Time Interval, TTI it is) the minimum time unit of scheduling, TTI can be accurate to 1ms, i.e., carry out a dynamic dispatching every 1ms.In the above-mentioned D2D communication resource distribution mechanism based on base station dynamic dispatching, for resource used in each D2D business data transmissions, it is required for repeating the above steps 201 to 205, thus, base station is needed constantly to be sent scheduling control information using PDCCH and authorizes SL resources for UE, to continue the transmission of a certain business datum, causes PDCCH expenses too high, in turn result in D2D message capacities to be limited, significantly limit corresponding service can be while the number of users supported.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art are not making creative labor The every other embodiment obtained under the premise of dynamic, belongs to the scope of protection of the invention.
It should be noted that, the embodiment of the present invention is applied to be based on cellular D2D communication systems, it is appreciated that, the D2D communication systems can be based on LTE network framework, can also be based on the LTE Advanced network architectures, or the cellular communications networks framework of other any standards of follow-up evolution, do not limit herein specifically.
For convenience, only part related to D2D communication resource scheduling processes in D2D communication systems is introduced below:
D2D communication systems include base station and at least two UE, wherein, above-mentioned at least two UE is wirelessly connected with the base station communication.
It is understood that base station correspondence can be the base station in the network architectures such as above-mentioned LTE, LTE Advanced, such as the evolved base station (eNodeB) in LTE network framework.
The UE can be the equipment of any support D2D communication functions, such as the mobile phone of support D2D communication functions, MTC terminal, television set, PDA, tablet personal computer, other various household electrical appliance or office equipment, not enumerate herein specifically.
Below by taking LTE network framework as an example, to being described in detail in the LTE network framework in the embodiment of the present invention based on cellular D2D communication systems:
As shown in Figure 2, LTE base station (i.e. eNB) and UE (UE1 and UE2 as shown in Figure 2) are included based on cellular D2D communication systems in the LTE network framework, wherein, UE1 and UE2 are connected by LTE-Uu interfaces with eNB, UE1 is connected by PC5 interfaces with UE2, and the D2D links set up by the PC5 interfaces between UE1 and UE2.
It should be noted that in following each embodiment, based on cellular D2D communication systems as concrete application scene only using in LTE network framework, principle and embodiment to the present invention carry out exemplary elaboration.
To facilitate understanding of the present embodiment of the invention, the correlation technique that can be introduced in description of the embodiment of the present invention or term is described below:
First, D2D communication resources pond;
It is one of important topic in the work of D2D technology standardizations on Radio Resource used in D2D communications, is provided in the D2D communication relevant criterions that current 3GPP has been standardized:D2D communications would operate in LTE system frequency range, with LTE cellular communication common spectrums.And in order to prevent D2D communications existing to LTE system Cellular communication generation interference, LTE system in its uplink spectrum, pass through wireless heterogeneous networks (Radio Resource Control, RRC) a pertinent system information configuration part for protocol stack is exclusively used in the resource pool (i.e. D2D communication resources pond) of D2D communications, wherein, resource pool refers to that one group is used for the time of radio communication, frequency resource groups.Thus, D2D communications are only capable of some of the D2D communication resources pond that is configured by system resource and carried out data transmission, and LTE cellular communications will not then use the resource in these resource pools, so as to avoid D2D from communicating the interference to LTE existing honeycomb communications.
2nd, the two kinds of D2D communication patterns communicated on D2D:
The D2D communications of 3GPP standardization mainly include following two kinds of D2D communication patterns:D2D leads directly to technology (D2D Direct Communication) and D2D discovery techniques (D2D Discovery), it can use the resource allocation mechanism of base station scheduling, for UE distributing radio resources, and LTE system is that D2D leads directly to technology and D2D discovery techniques are configured with time domain or the mutually orthogonal different resource pond of frequency domain.Illustrate separately below:
(1) D2D leads directly to technology
Technology is led directly to for D2D, system can configure at least one resource pool for it, and referred to as D2D leads directly to resource pool, and the D2D leads directly to resource pool two running time-frequency resource set with sequencing on the time and constituted;Wherein, the resource that previous resource collection is included is referred to as SC (Sidelink Control) resource, for transmitting D2D link control message (the Sidelink Control Information related to dispatching distribution, SCI), resource included in latter resource collection is referred to as Data (data) resource, the D2D business datums for transmitting transmitting terminal UE.Resource pool is led directly to for each D2D, system can set a cycle, referred to as SC cycles for it, and D2D leads directly to resource pool and is then repeated cyclically according to the corresponding SC cycles.
Thus, in a SC cycle, when the D2D business datums that UE need to be transmitted, base station not only needs to distribute corresponding Data resources in corresponding Data resource collections for the UE, to transmit D2D business datums, it is necessary to SC resources are distributed in corresponding SC resource collections for the UE, to transmit SCI, wherein, the SCI is used to indicate the above-mentioned time-frequency location for the Data resources of UE distribution in the SC cycles.
Refer to Fig. 3, the application scenarios schematic diagram of technology is led directly to for D2D, wherein, respectively the transmitting terminal UE (UE1 and UE2 in such as Fig. 3) based on D2D discovery techniques distributes the Data resources for transmitting D2D business datums in Data resource collections for base station, referred to as physics D2D shared channels (Physical Sidelink Shared Channel, PSSCH), and respectively UE1 and UE2 distributes the SC resources for transmitting correspondence SCI, referred to as physics D2D control channels in the SC resource collections in corresponding SC cycles (Physical Sidelink Control Channel, PSCCH), thus, UE1 and UE2 just can carry out data transfer and information exchange between the UE based on the straight-through technologies of D2D using the SC resources and Data resources that base station is its distribution by way of radio broadcasting.And receiving terminal UE (UE3 and UE4 in Fig. 3) will carry out SCI receptions in whole SC resources first in whole SC resource collections, afterwards then based on Data resources used in the different transmitting terminal UE indicated by SCI, data receiver is optionally carried out used in the UE interested to it in Data resources, to obtain the D2D business datums that corresponding UE is sent., then can be according to SCI1 instruction for example, UE3 is interested in UE1 D2D communication in figure, in the Data resources corresponding to PSSCH1 receiving UE1 sends D2D business datums, without receiving the D2D business datums that UE2 is transmitted on PSSCH2;Similarly, UE4 can optionally receive the D2D business datums that UE2 is transmitted on PSSCH2, the D2D business datums transmitted without receiving to UE1 on PSSCH1.
(2) D2D discovery techniques
For D2D discovery techniques, system can configure at least one resource pool, referred to as Discovery resource pools for it, and its resource included is referred to as Discovery resources.For each Discovery resource pools, system can set a cycle, referred to as Discovery cycles for it, and Discovery resource pools are then repeated cyclically according to the corresponding Discovery cycles.
Refer to Fig. 4, for the application scenarios schematic diagram of D2D discovery techniques, wherein, the Discovery resources for data transfer and information exchange are distributed in base station in Discovery resource pools for the transmitting terminal UE (UE1 in such as Fig. 4) based on D2D discovery techniques, (it is referred to as D2D and finds channel, Physical Sidelink Discovery Channel, PSDCH), thus, UE1 just can carry out data transfer and information exchange between the UE based on D2D discovery techniques using base station for the Discovery resources of its distribution, by way of radio broadcasting.And receiving terminal UE (UE2 and UE3 in such as Fig. 4) will carry out data receiver in whole Discovery resources in whole Discovery resource pools, to collect the data that all transmitting terminal UE based on D2D discovery techniques pass through Discovery resource transmissions.For example, the D2D business datums Data2 that UE3 transmits reception UE1 D2D the business datums Data1 and UE2 transmitted on PSDCH1 on PSDCH2.
It should be noted that either D2D leads directly to technology or D2D discovery techniques, base station is by each self-corresponding resource pool, for the mutually orthogonal running time-frequency resource of different UE distribution, to prevent interfering between different UE.It is understood that the embodiment of the present invention is applicable to above two D2D communication patterns, It will be specifically described in detail herein in follow-up embodiment.
The embodiment of the present invention is described from the angle of base station below, referring to Fig. 5, resource regulating method one embodiment includes in the embodiment of the present invention:
It is emphasized that resource regulating method is applied to the base station described above based in cellular D2D communication systems in the embodiment of the present invention, the D2D communication systems also include the first UE and the 2nd UE.
501st, when receiving the dispatch request being used for for D2D communication request resources of the first UE transmissions, base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default SPS and perform condition;
In the present embodiment, when the first UE needs set up D2D with the 2nd UE to communicate to transmit a certain D2D business datums, dispatch request need to be initiated from the first UE to base station, the dispatch request is used to be the D2D communication request resources, be operated so as to trigger base station by the dispatch request and carry out follow-up scheduling of resource.It should be noted that, in the present embodiment, after the dispatch request of the first UE transmissions is received, base station need to first determine that D2D communication correspondences D2D business datums waiting for transmission meet default SPS and perform condition, and in the case of it is determined that the D2D business datums meet default SPS execution condition, just continue executing with step 502.
It is specific to be illustrated two kinds of D2D communication patterns being directed in the embodiment below in being communicated based on cellular D2D respectively herein for the first UE modes for initiating dispatch request.
Alternatively, it is exemplified below and how determines that the D2D business datums meet the numerous embodiments that default SPS performs condition, for example:Base station determines that there is the D2D business datums packet to periodically generate characteristic, and either base station determines that the D2D business datums need to perform SPS or base station and determine that the D2D business datums have that packet periodically generates characteristic and the D2D business datums need to perform SPS.
It is appreciated that, it is above-mentioned only to be illustrated by way of example to how to determine that the D2D business datums meet default SPS and perform the embodiment of condition, in actual application, determine that the D2D business datums meet default SPS execution condition and can also include more other embodiments, for example, when the disabled situation of other source scheduling modes, or PDCCH expenses exceed a certain preparatory condition when, determine that the D2D business datums meet default SPS and perform condition, specifically pair determine that the D2D business datums meet default SPS and perform the embodiment of condition herein not limit.
It is specific to be distinguished herein for the two kinds of D2D communication patterns that determines the mode that there is the D2D business datums packet to periodically generate characteristic and be directed in the embodiment below in being communicated based on cellular D2D Explanation.
502nd, base station is the D2D communication configuration SPS cycles using SPS modes, and distributes SPS resources in the SPS cycles corresponding D2D communication resources ponds for the first UE;
In the present embodiment, after it is determined that the D2D business datums meet default SPS execution condition, base station is the D2D communication configuration SPS cycles using SPS modes and is the first UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds.Thus, base station can determine it is to utilize SPS modes to be that the first UE distributes SPS resources according to the type of business datum, or use other source scheduling modes, such as, it is that the first UE distributes resource using dynamic dispatching mode, flexibly to choose the scheduling mode of adaptation for different business datums.
503rd, base station carries out SPS resource distributions to the first UE, and authorizes the SPS resources for the first UE;
In the present embodiment, base station is after configuring the SPS cycles and distributing SPS resources, SPS resource distributions will be carried out to the first UE and authorize the SPS resources for the first UE, thus, first UE is after obtaining corresponding SPS resource distributions and authorizing, just can be according to the SPS cycles, periodically D2D communications are carried out using the SPS resources with the 2nd UE, it is being initially the UE D2D communication configuration SPS cycles and is distributing SPS resources, through a SPS resource distribution and mandate, UE just can carry out the transmission or reception of the D2D business datums every the fixed cycle (i.e. SPS cycles) using the SPS resources of above-mentioned initial configuration, without redistributing resource for each D2D business data transmissions, configure and authorize, reach and once configure and authorize, the purpose that cycle uses.It was found from the D2D communication systems based on LTE network framework shown in Fig. 2, the first UE will use the SPS resources by PC5 interfaces and the second UE communication according to the SPS cycles, realize transmission of the above-mentioned D2D business datums on D2D communication links.
The specific detailed process herein for step 503 is illustrated two kinds of D2D communication patterns being directed in the embodiment below in being communicated based on cellular D2D respectively.
Technical scheme provided in an embodiment of the present invention is mainly used in the base station in cellular D2D communication systems, when receiving the dispatch request being used for for D2D communication request resources of the first UE transmissions, base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default SPS and perform condition first;Then it is the D2D communication configuration SPS cycles using SPS modes, and SPS resources is distributed for the first UE in the SPS cycles corresponding D2D communication resources ponds;SPS resource distributions are carried out to the first UE again, and the SPS resources are authorized for the first UE, wherein, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources. Therefore relative to prior art, the embodiment of the present invention is in D2D communication resource scheduling processes, if D2D communicates, D2D business datums waiting for transmission meet default SPS and perform condition, scheduling of resource is then carried out to D2D communications using SPS modes, it is being initially the UE D2D communication configuration SPS cycles and is distributing SPS resources, through a SPS resource distribution and mandate, UE just can carry out the transmission or reception of the D2D business datums every the fixed cycle (i.e. SPS cycles) using the SPS resources of above-mentioned initial configuration, without such as redistributing resource in the prior art for each D2D business data transmissions, reach and once configure and authorize, the purpose that cycle uses, can be on the basis of communication performance be ensured, reduce PDCCH resource expense of the base station in D2D communication resource scheduling processes, so as to optimize D2D message capacities.
Alternatively, in embodiment, it can further include after the step 503:Line activating is entered in SPS resource distributions to the first UE.It is, of course, understood that in some application scenarios, activation process can not also be included.
It is understood that in the present embodiment, before base station discharges above-mentioned SPS resources, first UE can carry out D2D communications using the SPS resources according to the SPS cycles with the 2nd UE always, thus, alternatively, the embodiment of the present invention can further include:
504th, when meeting default resource release conditions, base station is released to the SPS resources of the first UE distribution;
Alternatively, the numerous embodiments of default resource release conditions are exemplified below, are illustrated separately below from explicit delivery mode and implicit delivery mode:
First, explicit delivery mode
Such as, when the first UE determines to meet default D2D sign offs condition, the first UE sends SPS releases to base station and indicates message, thus, and corresponding default resource release conditions can be that the SPS releases for receiving the first UE transmissions indicate message.Alternatively, above-mentioned SPS releases indicate that message can include a variety of implementations, specifically it can such as be used as rrc layer message, base station is sent to by the first UE by RRC dedicated signalings, or, it can be carried in the control element of MAC layer message (Control Element) and base station is sent to by the first UE, or, it can also be carried in MAC layer message data packet header, with Medium Access Control (MAC) Protocol Data Unit (MAC Protocol Data Unit, MAC PDU) base station is sent to by the first UE, or base station can also be sent to by as the PUCCH control information form 2/2a/2b transmitted by the PUCCH that SL-RNTI is scrambled by the first UE, specific discharged herein for SPS indicates that the specific implementation of message is not limited.
2nd, implicit delivery mode
In the present embodiment, implicit delivery mode refers to explicitly indicate that base station performs the operation for discharging resource without sending SPS releases instruction message to base station by the first UE, but by base station reaches that omitting the first UE sends the purpose that SPS releases indicate message according to itself some default judgment rule, such as, can be base station maintenance SPS release timers exceed predetermined threshold value.For example, in actual application, when the first UE begins to use base station to be configured the progress D2D communications of SPS resources by it, it is base station initiated and run SPS release timers, when the run time of the SPS release timers exceedes a certain threshold value, then base station determines to meet default resource release conditions, and is released to the SPS resources of the first UE distribution.Specific to determine that meeting default some judgment rules of resource release conditions does not limit herein for base station is default, those skilled in the art can obtain more realization rates according to actual conditions.It should be noted that another SPS release timers have also been safeguarded in the first UE, and the SPS release timers that the SPS release timers of base station maintenance and the first UE are safeguarded keep synchronous averaging and operation.Herein, the release timer that first UE is safeguarded is also equipped with a predetermined threshold value, the predetermined threshold value of the SPS release timers of the predetermined threshold value and base station maintenance can be same, then when more than this predetermined threshold value, first UE determines that the SPS resources of distribution have failed, and stops using the SPS resources to carry out D2D communications with the 2nd UE.It is appreciated that, the above-mentioned embodiment only by way of example to default resource release conditions is illustrated, in actual application, and base station can be combined to above-mentioned embodiment and use, it can also specifically not limited herein using other embodiments.
Alternatively, in the present embodiment, the D2D business datums can include UE- network trunks discovery message and/or networking telephone VoIP voice datas.
Embodiment illustrated in fig. 5 is the angle from base station to describe, the embodiment of the present invention is described from UE angle below, referring to Fig. 6, another embodiment of resource regulating method includes in the embodiment of the present invention:
601st, UE is sent for the dispatch request for D2D communication request resources to base station;
In the present embodiment, when UE needs set up D2D with target UE to communicate to transmit a certain D2D business datums, UE needs to initiate dispatch request to base station, and the dispatch request is used to be the D2D communication request resources, so that triggering base station by the dispatch request performs SPS scheduling of resource.
602nd, UE receives configuration information and the authorization message that base station is sent after SPS scheduling of resource is performed;
In the present embodiment, the configuration information is used for base station to UE progress SPS resource distributions, mandate letter It is that UE authorizes SPS resources to cease for base station.
Wherein, base station performs SPS scheduling of resource and refers to that base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and distribute SPS resources in the SPS cycles corresponding D2D communication resources ponds for UE.It is appreciated that, when the dispatch request being used for for D2D communication request resources of UE transmissions is received in base station, the base station D2D business datums waiting for transmission according to corresponding to the dispatch request determines D2D communications first meet default SPS and perform condition, it is the D2D communication configuration SPS cycles to recycle SPS modes, and SPS resources are distributed for the first UE in the SPS cycles corresponding D2D communication resources ponds, then send corresponding SPS resource distributions and authorization message to UE.The specific idiographic flow for performing SPS scheduling of resource herein in regard to base station refers to step 501 in embodiment illustrated in fig. 5 to 503, and here is omitted.
It is specific to be illustrated two kinds of D2D communication patterns being directed in the embodiment below in being communicated based on cellular D2D respectively herein for the configuration informations and authorization message for how receiving base station transmission of UE in step 602.
603rd, UE periodically carries out D2D communications using SPS resources according to the SPS cycles by PC5 interfaces and target UE;
In the present embodiment, UE is after obtaining corresponding SPS resource distributions and authorizing, just can be according to the SPS cycles, D2D communications are periodically carried out by PC5 interfaces and target UE using the SPS resources, it is being initially the UE D2D communication configuration SPS cycles and is distributing SPS resources, through a SPS resource distribution and mandate, UE just can carry out the transmission or reception of the D2D business datums every the fixed cycle (i.e. SPS cycles) using the SPS resources of above-mentioned initial configuration, without redistributing resource for each D2D business data transmissions, configure and authorize, reach and once configure and authorize, the purpose that cycle uses.
Technical scheme provided in an embodiment of the present invention is mainly used in the UE in cellular D2D communication systems, UE to base station after sending for the dispatch request for D2D communication request resources, receive configuration information and authorization message that base station is sent after SPS scheduling of resource is performed, the configuration information is used for base station and carries out SPS resource distributions to UE, it is that UE authorizes SPS resources that the authorization message, which is used for base station, wherein, base station performs SPS scheduling of resource and refers to that base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and distribute SPS resources in the SPS cycles corresponding D2D communication resources ponds for UE, now, UE Corresponding SPS resource distributions and mandate are obtained, just D2D communications periodically can be carried out by PC5 interfaces and target UE using SPS resources according to the SPS cycles.Therefore relative to prior art, the embodiment of the present invention is in D2D communication resource scheduling processes, the UE D2D communication configuration SPS cycles are initially in base station and SPS resources are distributed, through a SPS resource distribution and mandate, UE just can carry out the transmission or reception of the D2D business datums every the fixed cycle (i.e. SPS cycles) using the SPS resources of above-mentioned initial configuration, without such as needing base station to be that each D2D business data transmissions redistribute resource in the prior art, reach and once configure and authorize, the purpose that cycle uses, can be on the basis of communication performance be ensured, reduce PDCCH resource expense of the base station in D2D communication resource scheduling processes, so as to optimize D2D message capacities.
Alternatively, in the present embodiment, it can also include after step 602:The active information that base station is sent is received, line activating is entered in the SPS resource distributions that the active information is used for UE, it is, of course, understood that in some application scenarios, can not also include activation process.
It is understood that in the present embodiment, before base station discharges above-mentioned SPS resources, UE periodically can carry out D2D communications, thus, alternatively, the embodiment of the present invention can further include using the SPS resources always according to the SPS cycles with target UE:UE determines to meet default D2D sign offs condition, and stops using the SPS resources to carry out D2D communications;UE sends SPS releases to base station and indicates message, and SPS releases indicate that message is used for the SPS resources for indicating that base station is released to UE distribution.Wherein, SPS releases indicate that message implements the description that form may be referred to step 504 in embodiment illustrated in fig. 5, and here is omitted.
Alternatively, in actual application, UE can determine to meet default D2D sign offs condition by following methods, for example, UE determines that the number of times sent without the D2D business datums is more than first threshold, or UE determines that it is more than Second Threshold to the target UE number of times for sending filling message, wherein, above-mentioned first threshold, Second Threshold can be carried out static preset by UE and put or carry out dynamic configuration by base station, not limited herein specifically.It is appreciated that, how meeting default D2D sign offs condition is only determined if illustrating to UE by way of example above, in actual application, above-mentioned determination mode can be combined and used, can also be using other determination modes, as long as UE determines the D2D, communication needs terminate, and specific determination mode is not limited herein.
It is appreciated that, the description that aforesaid way can correspond to step 504 in embodiment illustrated in fig. 5 shows delivery mode, certainly, in the present embodiment, UE can also terminate D2D communications using stealthy delivery mode, for example, in actual application, beginning to use base station to be configured SPS resources by it in UE and carrying out When D2D communicates, UE starts and runs SPS release timers, and when the run time of the SPS release timers exceedes a certain threshold value, then UE stops using the SPS resources to carry out D2D communications.It should be noted that another SPS release timers have also been safeguarded in base station, and the SPS release timers of SPS release timers and the UE maintenance of base station maintenance keep synchronous averaging and operation.Herein, the release timer of base station maintenance is also equipped with a predetermined threshold value, and the predetermined threshold value and the predetermined threshold value of the UE SPS release timers safeguarded can be same, then when more than this predetermined threshold value, base station determines to meet default resource release conditions, and is released to the SPS resources of UE distribution.It is understood that above-mentioned only illustrate to the embodiment for how terminating D2D communications by way of example, in actual application, UE can be combined to above-mentioned embodiment and use, and can also specifically not limited herein using other embodiments.
Alternatively, in the present embodiment, the D2D business datums can include UE- network trunks discovery message and/or networking telephone VoIP voice datas.
In order to make it easy to understand, the resource regulating method in the embodiment of the present invention is described in detail as application scenarios (Fig. 7, Fig. 8) using two kinds of D2D communication patterns in being communicated based on cellular D2D separately below:
Fig. 7 is referred to, for based on the scheduling of resource flow under D2D direct mode operation application scenarios, another embodiment of resource regulating method includes in the embodiment of the present invention:
701st, the first UE sends dispatch request to base station;
Wherein, the dispatch request is used to be D2D communication request resources.In the present embodiment, when the first UE need to carry out D2D communications based on D2D direct mode operations and the 2nd UE, the first UE will initiate dispatch request based on D2D direct mode operations, now, and the first UE sends dispatch request by PUCCH to base station.In the present embodiment based in D2D direct mode operation application scenarios, the dispatch request is specifically for for D2D communication request Data resources and SC resources.
In specific actual application, the dispatch request can be transmitted using PUCCH DCI Format 1, its transmission on PUCCH represents by a modulation symbol, and base station is by detecting whether to have the modulation symbol to judge whether the first UE has initiated dispatch request;
702nd, base station is that the first UE distributes ascending resource mandate;
Wherein, the ascending resource mandate is used for reporting for D2D buffer status informations, in the present embodiment, base station is after the above-mentioned dispatch request of the first UE transmissions is received, the ascending resource mandate reported for D2D buffer status informations (ProSe Buffer Status Report, ProSe BSR) is distributed for the first UE by PDCCH.
703rd, the first UE sends ProSe BSR to base station;
In the present embodiment, the first UE utilizes the ascending resource mandate in step 702 to send ProSe BSR to base station, wherein, the ProSe BSR are used for the data volume of transmission needed for reporting D2D communications.ProSe BSR are simply introduced herein:In the resource allocation process that D2D communicates, base station needs to refer to transmitted data amount size needed for the first UE D2D communications, to realize distribution according to need, and the data storage of D2D communications is in the first UE caching, base station is not aware that D2D communications data volume waiting for transmission, thus the first UE needs report the data volume size of D2D communications D2D business datums to be transmitted in buffering by sending BSR to base station.Wherein, the ProSe BSR are sent to base station in the form of media access control layer (Medium Control Access, MAC) control unit (Control Element, CE) by PUSCH.
704th, base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default SPS and perform condition;
In the present embodiment, base station is after the ProSe BSR of UE transmissions are received, base station need to first determine that D2D communication correspondences D2D business datums waiting for transmission meet default SPS and perform condition, and in the case of it is determined that the D2D business datums meet default SPS execution condition, just continue executing with step 705.It is understood that in actual application, step 704 can specifically judge whether the corresponding D2D business datums waiting for transmission of D2D communications meet default SPS and perform condition including base station, if so, then performing step 705.
Herein, step 501 in embodiment illustrated in fig. 5 is referred on how base station determines that the D2D business datums meet default SPS and perform condition, wherein, in embodiment based in D2D direct mode operation application scenarios, the mode that determining the D2D business datums, there is packet to periodically generate characteristic can include:Judge whether the D2D business datums there is packet to periodically generate characteristic by the frequency that reports of above-mentioned dispatch request, or the Logic Channel Identifier (Logical Channel Identity, LCID) in the ProSe BSR sent by the first UE judges whether the D2D business datums there is packet to periodically generate characteristic.It is understood that in actual application, base station can be combined to above-mentioned embodiment and use, it can also determine that there is the D2D business datums packet to periodically generate characteristic, does not limit specifically herein using more other modes.
705th, base station obtains the packet generation cycle of the D2D business datums;
In the present embodiment, there is the D2D business datums packet to periodically generate characteristic with above-mentioned determination Mode it is similar, can by above-mentioned dispatch request report the frequency acquisition D2D business datums packet generate the cycle, or pass through the first UE send ProSe BSR in Logic Channel Identifier obtain the D2D business datums packet generate the cycle.
706th, base station is the D2D communication configuration SPS cycles using SPS modes, and distributes SPS resources in the SPS cycles corresponding D2D communication resources ponds for the first UE;
In the present embodiment based in D2D direct mode operation application scenarios, base station will generate the cycle according to the packet of the D2D business datums and the corresponding D2D of the first UE lead directly to the SC cycles of resource pool for the SPS resource distribution SPS cycles, for example, the SPS cycles of the SPS resources can be set to the least common multiple in packet generation cycle and the SC cycles.
In the present embodiment based in D2D direct mode operation application scenarios, D2D communication resources pond corresponds to D2D to lead directly in the straight-through resource pools of D2D at least one SC cycle that resource pool, i.e. base station are included in the SPS cycles to be that the first UE distributes SPS resources by specific.In actual application, it is that the first UE distribution SPS resources are specifically included that the D2D at least one SC cycle that base station is included in the SPS cycles, which is led directly in resource pool,:The Data resource collections in the SC cycles of at least one that base station is included in the SPS cycles are that the first UE distributes Data resources, to transmit D2DD2D business datums, and SC resources are distributed for the first UE in the SC resource collections in each SC cycles comprising above-mentioned Data resources, to transmit SCI.
707th, base station carries out SPS resource distributions to the first UE;
In the present embodiment, base station can carry out SPS resource distributions by sending rrc layer message to the first UE, wherein, the rrc layer message includes configuration information, the configuration information includes SPS identification information and the identification information in the SPS cycles, and SPS resource distributions are carried out to the first UE for base station.It should be noted that, in the present embodiment based in D2D direct mode operation application scenarios, SPS identification information can include SPS SL-RNTI, the SPS SL-RNTI represent the corresponding D2D links Radio Network Temporary Identifiers of SPS, for example, the SPS SL-RNTI can be hexadecimal number " a certain value in 003D~FFF3 ", wherein, the SPS SL-RNTI values can carry out unique mark to the first UE D2D communications, to be made a distinction to the first UE of difference D2D communications.Alternatively, the rrc layer message in this step can be RRC connection reallocation messages.
708th, base station is that the first UE authorizes the SPS resources;
In the present embodiment, base station can be by being carried out the SPS resources that the PDCCH of mask is distributed by the first UE mandates by above-mentioned SPS SL-RNTI, residing for indicating the SPS resources in the corresponding SC cycles Position.In actual application, base station can be specifically the first UE mandates SPS resources by sending descending control information format 5 (Downlink Control Information Format 5, DCI Format 5).
It is understood that in the present embodiment, realize that SPS resource distributions are operated and Authorized operation by step 707 and step 708 are corresponded to by rrc layer message and PDCCH respectively come correspondence.
709th, line activating is entered in SPS resource distribution of the base station to the first UE;
In the present embodiment based in D2D direct mode operation application scenarios, base station can enter line activating by carrying out SPS resource distributions of the PDCCH of mask to the first UE by SPS SL-RNTI, then the first UE is by using the initial time in the first complete S C cycles after activation as starting point, D2D communications are carried out using for its SPS resource distributed, to reduce D2D communication delay as far as possible.
710th, the first UE periodically carries out D2D communications using SPS resources according to the SPS cycles by PC5 interfaces and the 2nd UE;
In the present embodiment, after line activating is entered to the first UE SPS resource distributions, the first UE will be according to the SPS cycles, D2D communications periodically are carried out with the 2nd UE using the SPS resources, as shown in fig. 7, comprises SPS cycles 1, SPS cycles 2 to SPS cycles n, wherein, n is more than or equal to 1.Thus, with prior art first resource distribution is performed in each D2DD2D business data transmissions (a corresponding SC cycle), resource distribution and mandate activation are compared, the embodiment of the present invention is in the D2D communication configuration SPS cycles being initially as the first UE and distributes SPS resources, through a SPS resource distribution and mandate, first UE just can carry out the transmission or reception of the D2D business datums every the fixed cycle (i.e. SPS cycles) using the SPS resources of above-mentioned initial configuration, it can thus be appreciated that, first UE is at least one SPS cycle (a SPS cycle can include at least one SC cycle) although being related to multiple D2DD2D business data transmissions, but resource allocation need not be re-executed for each D2D business data transmissions, resource distribution simultaneously authorizes activation, reach and once configure and authorize activation, the purpose that cycle uses.
It is understood that in the present embodiment, before base station discharges above-mentioned SPS resources, first UE can be always according to the SPS cycles, periodically carry out the D2D based on D2D direct mode operations with the 2nd UE using the SPS resources to communicate, thus, the embodiment of the present invention can further include:
711st, the first UE determines to meet default D2D sign offs condition, and stops using the SPS resources to carry out D2D communications;
It is understood that in the present embodiment, how to determine to meet default D2D on the first UE Sign off condition may be referred to the description in embodiment illustrated in fig. 6, and here is omitted.
712nd, the first UE sends SPS releases to base station and indicates message;In the present embodiment, SPS releases indicate that message is used for the SPS resources for indicating that base station is released to UE distribution.Wherein, SPS releases indicate that message implements the description that form may be referred to step 504 in embodiment illustrated in fig. 5, and here is omitted.
713rd, base station is released to the SPS resources of the first UE distribution.
In the present embodiment, whether base station is to receive the SPS releases of the first UE transmissions and indicate that message determines whether to meet default resource release conditions.It is understood that base station release SPS resources and UE, which terminate D2D sign offs, can also use the stealthy delivery mode that step 504 is described in embodiment illustrated in fig. 5.
Fig. 8 is referred to, for based on the scheduling of resource flow under D2D discovery mode application scenarios, another embodiment of resource regulating method includes in the embodiment of the present invention:
801st, the first UE sends dispatch request to base station;
Wherein, the dispatch request is used to be D2D communication request resources.In the present embodiment, when the first UE need to carry out D2D communications based on D2D discovery modes and the 2nd UE, the first UE will initiate dispatch request based on D2D discovery modes, now, and the first UE sends dispatch request by rrc layer message to base station.In the present embodiment based in D2D discovery mode application scenarios, the dispatch request is specifically for for D2D communication request Discovery resources.
802nd, base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default SPS and perform condition;
In the present embodiment, base station is after the dispatch request of UE transmissions is received, base station need to first determine that D2D communication correspondences D2D business datums waiting for transmission meet default SPS and perform condition, and in the case of it is determined that the D2D business datums meet default SPS execution condition, just continue executing with step 803.It is understood that in actual application, step 802 can specifically judge whether the corresponding D2D business datums waiting for transmission of D2D communications meet default SPS and perform condition including base station, if so, then performing step 803.
Herein, step 501 in embodiment illustrated in fig. 5 is referred on how base station determines that the D2D business datums meet default SPS and perform condition, wherein, in the present embodiment based in D2D discovery mode application scenarios, the mode that determining the D2D business datums, there is packet to periodically generate characteristic can include: Determine that there is the D2D business datums packet to periodically generate characteristic by the rrc layer message comprising the dispatch request.It is understood that in actual application, can also include determining that there is the D2D business datums packet to periodically generate characteristic using more other modes, not limit specifically herein.
803rd, base station is the D2D communication configuration SPS cycles using SPS modes, and distributes SPS resources in the SPS cycles corresponding D2D communication resources ponds for the first UE;
The distinctive points of this step 803 and embodiment illustrated in fig. 7 are, in embodiment based in D2D discovery mode application scenarios, the configuration in SPS cycles generates the cycle without reference to the packet of the D2D business datums, and directly refer to the Discovery cycles of the corresponding Discovery resource pools of the first UE, for example, the SPS cycles of the SPS resources can be set to the Discovery cycles of the corresponding Discovery resource pools of the first UE.
The distinctive points of this step 803 and embodiment illustrated in fig. 7 also include, in embodiment based in D2D discovery mode application scenarios, specific Discovery resource pools, the i.e. base station of corresponding to is that the first UE distributes SPS resources in the Discovery resource pools at least one Discovery cycle included by the SPS cycles by D2D communication resources pond.
804th, base station carries out SPS resource distributions to the first UE, and authorizes the SPS resources for the first UE;
The distinctive points of this step 804 and embodiment illustrated in fig. 7 are, in embodiment based in D2D discovery mode application scenarios, step 804 can realize SPS resource distributions operation and Authorized operation by a rrc layer message, corresponding SPS resource distributions information needed (i.e. configuration information) need to only be carried simultaneously in the rrc layer message and information needed (i.e. authorization message) is authorized, wherein, configuration information mainly includes the identification information in the SPS cycles, SPS resource distributions are carried out to the first UE for base station, authorization message is used to indicate SPS resources location in the corresponding Discovery cycles, it is that the first UE authorizes SPS resources for base station.Alternatively, the rrc layer message can be RRC connection reallocation messages.
In the present embodiment, base station carries out SPS resource distributions to the first UE by the rrc layer message and authorizes the SPS resources for the first UE, then the initial time in the first complete Discovery cycles after corresponding SPS resource distributions are obtained is starting point by the first UE, D2D communications are carried out using for its SPS resource distributed, to reduce D2D communication delay as far as possible.
805th, the first UE periodically carries out D2D communications using SPS resources according to the SPS cycles by PC5 interfaces and the 2nd UE;
In the present embodiment, SPS resource distributions are carried out to the first UE in base station, and is authorized for the first UE After the SPS resources, the first UE will use the SPS resources to carry out D2D communications with the 2nd UE according to the SPS cycles, as shown in figure 8, including SPS cycles 1, SPS cycles 2 to SPS cycle n, wherein, n is more than or equal to 1.Thus, with prior art first resource distribution is performed in each D2DD2D business data transmissions (a corresponding Discovery cycle), resource distribution and mandate are compared, the embodiment of the present invention is in the D2D communication configuration SPS cycles being initially as the first UE and distributes SPS resources, through a SPS resource distribution and mandate, first UE just can carry out the transmission or reception of the D2D business datums every the fixed cycle (i.e. SPS cycles) using the SPS resources of above-mentioned initial configuration, it can thus be appreciated that, first UE is at least one SPS cycle (a SPS cycle can include at least one Discovery cycle) although being related to multiple D2DD2D business data transmissions, but resource allocation need not be re-executed for each D2D business data transmissions, resource distribution simultaneously authorizes activation, reach and once configure and authorize, the purpose that cycle uses.
It is understood that in the present embodiment, before base station discharges above-mentioned SPS resources, first UE can be always according to the SPS cycles, periodically carry out the D2D based on D2D discovery modes with the 2nd UE using the SPS resources to communicate, thus, the embodiment of the present invention can further include:
806th, the first UE determines to meet default D2D sign offs condition, and stops using the SPS resources to carry out D2D communications;
807th, the first UE sends SPS releases to base station and indicates message;
808th, base station is released to the SPS resources of the first UE distribution.
It should be noted that the process of the step 806 to 808 in above-mentioned the present embodiment is identical with the process of the step 711 in embodiment illustrated in fig. 7 to 713, here is omitted.
The resource regulating method in the embodiment of the present invention is described above, the base station in the embodiment of the present invention is described below, referring to Fig. 9, base station one embodiment includes in the embodiment of the present invention:
It is understood that the base station in the embodiment of the present invention can realize the flow of embodiment illustrated in fig. 5, the base station includes:
Determining unit 901, condition is performed for when receiving the dispatch request being used for for device-to-device D2D communication request resources of the first user equipment (UE) transmission, determining that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS;
First processing units 902, are the D2D communication configuration SPS cycles using SPS modes after meeting default semi-continuous scheduling SPS execution conditions in the determining unit 901 determination, and described It is the first UE distribution SPS resources in SPS cycles corresponding D2D communication resources ponds;
Second processing unit 903, after being the first UE distribution SPS resources in the first processing units 902, SPS resource distributions are carried out to the first UE, and authorize the SPS resources for the first UE, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources.
For ease of understanding, below by taking a concrete application scene as an example, the inner working flow to the base station in the present embodiment is described:
When receiving the dispatch request being used for for device-to-device D2D communication request resources of the first user equipment (UE) transmission, determining unit 901 determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition;First processing units 902 are met in the determining unit 901 determination after default semi-continuous scheduling SPS execution conditions, it is the D2D communication configuration SPS cycles using SPS modes, and is the first UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;Second processing unit 903 is after the first processing units 902 are the first UE distribution SPS resources, SPS resource distributions are carried out to the first UE, and authorize the SPS resources for the first UE, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources.
In the present embodiment, when receiving the dispatch request being used for for D2D communication request resources of the first UE transmissions, the determining unit 901 of base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default SPS and perform condition first;Then it is the D2D communication configuration SPS cycles using SPS modes by second processing unit 903, and SPS resources is distributed for the first UE in the SPS cycles corresponding D2D communication resources ponds;SPS resource distributions are carried out by 903 couple of the first UE of second processing unit again, and the SPS resources are authorized for the first UE, wherein, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources.Therefore relative to prior art, the embodiment of the present invention is in D2D communication resource scheduling processes, if D2D communicates, D2D business datums waiting for transmission meet default SPS and perform condition, scheduling of resource is then carried out to D2D communications using SPS modes, it is being initially the UE D2D communication configuration SPS cycles and is distributing SPS resources, through a SPS resource distribution and mandate, UE just can carry out the transmission or reception of the D2D business datums every the fixed cycle (i.e. SPS cycles) using the SPS resources of above-mentioned initial configuration, without such as redistributing resource in the prior art for each D2D business data transmissions, reach and once configure and authorize, cycle makes Purpose, can reduce PDCCH resource expense of the base station in D2D communication resource scheduling processes, so as to optimize D2D message capacities on the basis of communication performance is ensured.
Alternatively, in the present embodiment, the determining unit 901, specifically for determining that there is the D2D business datums packet to periodically generate characteristic, either determine that the D2D business datums need to perform SPS or determine that the D2D business datums have that packet periodically generates characteristic and the D2D business datums need to perform SPS.
Alternatively, in the present embodiment, the base station also includes:
3rd processing unit 904, after being the first UE mandates SPS resources in the second processing unit 903, when meeting default resource release conditions, the base station is released to the SPS resources of the first UE distribution.
Alternatively, in the present embodiment, the default resource release conditions include at least one of in the following manner:The SPS releases that the base station receives the first UE transmissions indicate that the SPS release timers of message or the base station maintenance exceed predetermined threshold value.
Alternatively, in the present embodiment, the D2D business datums include UE- network trunks discovery message and/or networking telephone VoIP voice datas.
The base station in the embodiment of the present invention is described in detail as application scenarios (Figure 10, Figure 11) using two kinds of D2D communication patterns in being communicated based on cellular D2D separately below:
Figure 10 is referred to, for the structural representation based on the base station under D2D direct mode operation application scenarios, another embodiment in base station includes in the embodiment of the present invention:
It is understood that the base station in the embodiment of the present invention can realize the flow of embodiment illustrated in fig. 7, the base station includes:
Determining unit 1001, condition is performed for when receiving the dispatch request being used for for device-to-device D2D communication request resources of the first user equipment (UE) transmission, determining that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS;
First processing units 1002, after meeting default semi-continuous scheduling SPS execution conditions in the determining unit 1001 determination, it is the D2D communication configuration SPS cycles using SPS modes, and is the first UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
Second processing unit 1003, after being the first UE distribution SPS resources in the first processing units 1002, SPS resource distributions is carried out to the first UE, and authorize institute for the first UE SPS resources are stated, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources.
In the present embodiment, the base station also includes:
Acquiring unit 1004, for when the first UE is based on the D2D direct mode operations initiation dispatch request, before the first processing units 1002 are the D2D communication configuration SPS cycles using SPS modes, the packet generation cycle of the D2D business datums is obtained;
The first processing units 1002, specifically for generating the cycle according to the packet for the SPS resource distributions SPS cycles.
In the present embodiment, the first processing units 1002, specifically for being the SPS resource distributions SPS cycles according to the Discovery cycles of the corresponding discovery Discovery resource pools of the first UE when the first UE is based on the D2D discovery modes initiation dispatch request.
Alternatively, in the present embodiment, the determining unit 1001, specifically for determining that there is the D2D business datums packet to periodically generate characteristic, either determine that the D2D business datums need to perform SPS or determine that the D2D business datums have that packet periodically generates characteristic and the D2D business datums need to perform SPS.
Alternatively, in the present embodiment, the determining unit 1001, specifically for when the first UE is based on the D2D direct mode operations initiation dispatch request, frequency is reported to determine that there is packet to periodically generate the Logic Channel Identifier in characteristic, or the data cached state report ProSe BSR of D2D sent by the first UE and determine that there is the D2D business datums packet to periodically generate characteristic for the D2D business datums by the dispatch request.
Alternatively, in the present embodiment, the acquiring unit 1004, the packet for obtaining the D2D business datums specifically for the Logic Channel Identifier for reporting the packet of D2D business datums described in frequency acquisition to generate in cycle, or the ProSe BSR sent by the first UE by the dispatch request generates the cycle.
Alternatively, in the present embodiment, the first processing units 1002, control the SC cycles to be the SPS resource distributions SPS cycles specifically for the D2D links for generating cycle and the straight-through resource pools of the corresponding D2D of the first UE according to the packet.
Alternatively, in the present embodiment, the first processing units 1002, specifically for the SPS cycles of the SPS resources are set into the least common multiple that the packet generates cycle and the SC cycles Number.
Alternatively, in the present embodiment, the second processing unit 1003, specifically when the first UE, which is based on D2D direct mode operations, initiates the dispatch request, for carrying out SPS resource distributions to the first UE by sending rrc layer message, wherein, the rrc layer message includes the identification information and the identification information in the SPS cycles of the SPS;It is the first UE mandates SPS resources by sending descending control information format 5.
Alternatively, in the present embodiment, the base station also includes:
3rd processing unit 1005, after being the first UE mandates SPS resources in the second processing unit 1003, when meeting default resource release conditions, the base station is released to the SPS resources of the first UE distribution.
Alternatively, in the present embodiment, the base station receives the SPS releases instruction message of the first UE transmissions or the SPS release timers of the base station maintenance exceed predetermined threshold value.
Alternatively, in the present embodiment, the D2D business datums include UE- network trunks discovery message and/or networking telephone VoIP voice datas.
Figure 11 is referred to, for the structural representation based on the base station under D2D discovery mode application scenarios, another embodiment in base station includes in the embodiment of the present invention:
It is understood that the base station in the embodiment of the present invention can realize the flow of embodiment illustrated in fig. 8, the base station includes:
Determining unit 1101, condition is performed for when receiving the dispatch request being used for for device-to-device D2D communication request resources of the first user equipment (UE) transmission, determining that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS;
First processing units 1102, after meeting default semi-continuous scheduling SPS execution conditions in the determining unit 1101 determination, it is the D2D communication configuration SPS cycles using SPS modes, and is the first UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
Second processing unit 1103, after being the first UE distribution SPS resources in the first processing units 1102, SPS resource distributions are carried out to the first UE, and authorize the SPS resources for the first UE, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources.
In the present embodiment, the first processing units 1102, specifically for being based on as the first UE It it is the SPS resource distributions SPS cycles according to the Discovery cycles of the corresponding discovery Discovery resource pools of the first UE when D2D discovery modes initiate the dispatch request.
In the present embodiment, the first processing units 1102, specifically for being the first UE distribution SPS resources in the Discovery resource pools at least one Discovery cycle that the SPS cycles are included when the first UE is based on the D2D discovery modes initiation dispatch request.
Alternatively, in the present embodiment, the determining unit 1101, specifically for determining that there is the D2D business datums packet to periodically generate characteristic, either determine that the D2D business datums need to perform SPS or determine that the D2D business datums have that packet periodically generates characteristic and the D2D business datums need to perform SPS.
Alternatively, in the present embodiment, the determining unit 1101, specifically for when the first UE is based on the D2D discovery modes initiation dispatch request, determining that there is the D2D business datums packet to periodically generate characteristic by the rrc layer message comprising the dispatch request.
Alternatively, in the present embodiment, the first processing units 1102, the Discovery cycles specifically for the SPS cycles of the SPS resources to be set to the corresponding Discovery resource pools of the first UE.
Alternatively, in the present embodiment, the second processing unit 1103, specifically for when the first UE is based on the D2D discovery modes initiation dispatch request, by sending rrc layer message to the first UE progress SPS resource distributions and authorizing the SPS resources for the first UE.
Alternatively, in the present embodiment, the base station can also include:
3rd processing unit 1104, after being the first UE mandates SPS resources in the second processing unit 1103, when meeting default resource release conditions, the base station is released to the SPS resources of the first UE distribution.
Alternatively, in the present embodiment, the default resource release conditions include at least one of in the following manner:
The SPS releases that the base station receives the first UE transmissions indicate that the SPS release timers of message or the base station maintenance exceed predetermined threshold value.
Alternatively, in the present embodiment, the D2D business datums include UE- network trunks discovery message and/or networking telephone VoIP voice datas.
The base station in the embodiment of the present invention is described the angle of slave module functional entity above, below from Base station in the embodiment of the present invention is described the angle of hardware handles, and referring to another embodiment in base station in Figure 12, the embodiment of the present invention includes:
Input unit 1201, output device 1202, processor 1203 and memory 1204 (quantity of the processor 1203 wherein in equipment can be with one or more, in Figure 12 by taking a processor 1203 as an example).In some embodiments of the invention, input unit 1201, output device 1202, processor 1203 and memory 1604 can be connected by bus or other manner.
Wherein,
The processor 1203, by the operational order for calling memory 1204 to store, for performing following steps:
When receiving the dispatch request being used for for device-to-device D2D communication request resources of the first user equipment (UE) transmission,
Base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition;
The base station is the D2D communication configuration SPS cycles using SPS modes, and is the first UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
The base station carries out SPS resource distributions to the first UE, and authorize the SPS resources for the first UE, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
Determine that there is the D2D business datums packet to periodically generate characteristic, either determine that the D2D business datums need to perform SPS or the base station determines that the D2D business datums have that packet periodically generates characteristic and the D2D business datums need to perform SPS.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
When the first UE, which is based on D2D direct mode operations, initiates the dispatch request, frequency is reported to determine that there is packet to periodically generate the Logic Channel Identifier in characteristic, or the data cached state report ProSe BSR of D2D sent by the first UE and determine that there is the D2D business datums packet to periodically generate characteristic for the D2D business datums by the dispatch request;Or when the first UE is based on the D2D discovery modes initiation dispatch request, determine that there is the D2D business datums packet to periodically generate characteristic by the rrc layer message comprising the dispatch request.
In some embodiments of the invention, processor 1203 can be also used for performing following steps:
When the first UE, which is based on D2D direct mode operations, initiates the dispatch request, the packet generation cycle of the D2D business datums is obtained;
Cycle is generated for the SPS resource distributions SPS cycles according to the packet.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
Cycle is generated by the packet for reporting D2D business datums described in frequency acquisition of the dispatch request;Or, the packet that the Logic Channel Identifier in the ProSe BSR sent by the first UE obtains the D2D business datums generates the cycle.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
The SC cycles are controlled to be the SPS resource distributions SPS cycles according to the D2D links that the packet generates cycle and the straight-through resource pools of the corresponding D2D of the first UE.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
The SPS cycles of the SPS resources are set to the least common multiple in the packet generation cycle and the SC cycles.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
It it is the SPS resource distributions SPS cycles according to the Discovery cycles of the corresponding discovery Discovery resource pools of the first UE when the first UE, which is based on D2D discovery modes, initiates the dispatch request.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
The SPS cycles of the SPS resources are set to the Discovery cycles of the corresponding Discovery resource pools of the first UE.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
When the first UE, which is based on D2D direct mode operations, initiates the dispatch request, it is the first UE distribution SPS resources to be led directly in the D2D at least one SC cycle that the SPS cycles are included in resource pool.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
It is the first UE distribution SPS resources in the Discovery resource pools at least one Discovery cycle that the SPS cycles are included when the first UE, which is based on D2D discovery modes, initiates the dispatch request.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
When the first UE, which is based on D2D direct mode operations, initiates the dispatch request, SPS resource distributions are carried out to the first UE by sending rrc layer message, wherein, the rrc layer message includes the identification information and the identification information in the SPS cycles of the SPS;It is the first UE mandates SPS resources by sending descending control information format 5.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
When the first UE, which is based on D2D discovery modes, initiates the dispatch request, by sending rrc layer message to the first UE progress SPS resource distributions and authorizing the SPS resources for the first UE.
In some embodiments of the invention, processor 1203 is specific can be used for performing following steps:
When meeting default resource release conditions, the base station is released to the SPS resources of the first UE distribution.
In some embodiments of the invention, the default resource release conditions include at least one of in the following manner:The SPS releases that the base station receives the first UE transmissions indicate that the SPS release timers of message or the base station maintenance exceed predetermined threshold value.
In some embodiments of the invention, the D2D business datums include UE- network trunks discovery message and/or networking telephone VoIP voice datas.
The base station in the embodiment of the present invention is described above, the user equipment in the embodiment of the present invention is described below, referring to user equipment one embodiment in Figure 13, the embodiment of the present invention includes:
It is understood that the user equipment in the embodiment of the present invention can realize the flow of embodiment illustrated in fig. 6, the user equipment includes:
Transmitting element 1301, for being sent to base station for the dispatch request for D2D communication request resources;
Receiving unit 1302, after sending dispatch request in the transmitting element 1301, receive configuration information and authorization message that the base station is sent after SPS scheduling of resource is performed, wherein, the configuration information is used for the base station and carries out SPS resource distributions to the UE, it is that the UE authorizes SPS resources that the authorization message, which is used for the base station, and the base station performs SPS scheduling of resource and refers to that the base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and be the UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
Execution unit 1303, after receiving configuration information and authorization message in the receiving unit 1302, According to the SPS cycles, D2D communications are periodically carried out by PC5 interfaces and target UE using the SPS resources.
For ease of understanding, below by taking a concrete application scene as an example, the inner working flow to the user equipment in the present embodiment is described:
Transmitting element 1301 is sent for the dispatch request for D2D communication request resources to base station;Receiving unit 1302 is sent in the transmitting element 1301 after dispatch request, receive configuration information and authorization message that the base station is sent after SPS scheduling of resource is performed, wherein, the configuration information is used for the base station and carries out SPS resource distributions to the UE, it is that the UE authorizes SPS resources that the authorization message, which is used for the base station, and the base station performs SPS scheduling of resource and refers to that the base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and be the UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;Execution unit 1303 is received in the receiving unit 1302 after configuration information and authorization message, according to the SPS cycles, periodically carries out D2D communications by PC5 interfaces and target UE using the SPS resources.
Alternatively, in the present embodiment, the execution unit 1303, is additionally operable to determination and meets default D2D sign offs condition, and stop using the SPS resources to carry out D2D communications;SPS releases are sent to the base station and indicate message, and the SPS releases indicate that message is used for the SPS resources for indicating that the base station is released to the UE distribution.
Alternatively, in the present embodiment, the execution unit 1303, is more than first threshold specifically for the number of times for determining to send without the D2D business datums, or the UE determines that it is more than Second Threshold to the target UE number of times for sending filling message.
Alternatively, in the present embodiment, the D2D business datums include UE- network trunks discovery message and/or networking telephone VoIP voice datas.
In embodiments of the present invention, transmitting element 1301 in UE to base station after sending for the dispatch request for D2D communication request resources, configuration information and the authorization message that base station is sent after SPS scheduling of resource is performed are received by receiving unit 1302, the configuration information is used for base station and carries out SPS resource distributions to UE, it is that UE authorizes SPS resources that the authorization message, which is used for base station, wherein, base station performs SPS scheduling of resource and refers to that base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and at this SPS weeks SPS resources are distributed for UE in phase corresponding D2D communication resources pond, now, UE obtains corresponding SPS resource distributions and mandate, execution unit 1303 just periodically can pass through PC5 interfaces with target UE using SPS resources and carry out D2D communications according to the SPS cycles.Therefore relative to prior art, the embodiment of the present invention is in D2D communication resource scheduling processes, the UE D2D communication configuration SPS cycles are initially in base station and SPS resources are distributed, through a SPS resource distribution and mandate, UE just can carry out the transmission or reception of the D2D business datums every the fixed cycle (i.e. SPS cycles) using the SPS resources of above-mentioned initial configuration, without such as needing base station to be that each D2D business data transmissions redistribute resource in the prior art, reach and once configure and authorize, the purpose that cycle uses, can be on the basis of communication performance be ensured, reduce PDCCH resource expense of the base station in D2D communication resource scheduling processes, so as to optimize D2D message capacities.
The user equipment in the embodiment of the present invention is described in detail as application scenarios (Figure 14, Figure 15) using two kinds of D2D communication patterns in being communicated based on cellular D2D separately below:
Figure 14 is referred to, for the structural representation based on the user equipment under D2D direct mode operation application scenarios, another embodiment of user equipment includes in the embodiment of the present invention:
It is understood that the user equipment in the embodiment of the present invention can realize the flow of embodiment illustrated in fig. 7, the user equipment includes:
Transmitting element 1401, for being sent to base station for the dispatch request for D2D communication request resources;
Receiving unit 1402, after sending dispatch request in the transmitting element 1401, receive configuration information and authorization message that the base station is sent after SPS scheduling of resource is performed, wherein, the configuration information is used for the base station and carries out SPS resource distributions to the UE, it is that the UE authorizes SPS resources that the authorization message, which is used for the base station, and the base station performs SPS scheduling of resource and refers to that the base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and be the UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
Execution unit 1403, after receiving configuration information and authorization message in the receiving unit 1402, according to the SPS cycles, periodically carries out D2D communications using the SPS resources by PC5 interfaces and target UE.
In the present embodiment, the receiving unit 1402, specifically for when the UE is based on the D2D direct mode operations initiation dispatch request, receive the rrc layer message that the base station is sent, the rrc layer message includes the configuration information, the identification information of the configuration information including the SPS and described SPS weeks The identification information of phase;The descending control information format 5 that the base station is sent is received, the descending control information format 5 includes the authorization message.
Alternatively, in the present embodiment, the execution unit 1403, is additionally operable to determination and meets default D2D sign offs condition, and stop using the SPS resources to carry out D2D communications;SPS releases are sent to the base station and indicate message, and the SPS releases indicate that message is used for the SPS resources for indicating that the base station is released to the UE distribution.
Alternatively, in the present embodiment, the execution unit 1403, is more than first threshold specifically for the number of times for determining to send without the D2D business datums, or the UE determines that it is more than Second Threshold to the target UE number of times for sending filling message.
Alternatively, in the present embodiment, the D2D business datums include UE- network trunks discovery message and/or networking telephone VoIP voice datas.
Figure 15 is referred to, for the structural representation based on the user equipment under D2D discovery mode application scenarios, another embodiment of user equipment includes in the embodiment of the present invention:
It is understood that the user equipment in the embodiment of the present invention can realize the flow of embodiment illustrated in fig. 8, the user equipment includes:
Transmitting element 1501, for being sent to base station for the dispatch request for D2D communication request resources;
Receiving unit 1502, after sending dispatch request in the transmitting element 1501, receive configuration information and authorization message that the base station is sent after SPS scheduling of resource is performed, wherein, the configuration information is used for the base station and carries out SPS resource distributions to the UE, it is that the UE authorizes SPS resources that the authorization message, which is used for the base station, and the base station performs SPS scheduling of resource and refers to that the base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and be the UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
Execution unit 1503, after receiving configuration information and authorization message in the receiving unit 1502, according to the SPS cycles, periodically carries out D2D communications using the SPS resources by PC5 interfaces and target UE.
In the present embodiment, the receiving unit 1502, specifically for when the UE is based on the D2D discovery modes initiation dispatch request, receiving the rrc layer message that the base station is sent, the rrc layer message includes the configuration information and authorization message.
Alternatively, in the present embodiment, the execution unit 1503, is additionally operable to determination and meets default D2D sign offs condition, and stop using the SPS resources to carry out D2D communications;SPS releases are sent to the base station and indicate message, and the SPS releases indicate that message is used for the SPS resources for indicating that the base station is released to the UE distribution.
Alternatively, in the present embodiment, the execution unit 1503, is more than first threshold specifically for the number of times for determining to send without the D2D business datums, or the UE determines that it is more than Second Threshold to the target UE number of times for sending filling message.
Alternatively, in the present embodiment, the D2D business datums include UE- network trunks discovery message and/or networking telephone VoIP voice datas.
The user equipment in the embodiment of the present invention is described the angle of slave module functional entity above, the user equipment in the embodiment of the present invention is described from the angle of hardware handles below, referring to another embodiment of the user equipment in Figure 16, the embodiment of the present invention includes:
Input unit 1601, output device 1602, processor 1603 and memory 1604 (quantity of the processor 1603 wherein in equipment can be with one or more, in Figure 16 by taking a processor 1603 as an example).In some embodiments of the invention, input unit 1601, output device 1602, processor 1603 and memory 1604 can be connected by bus or other manner.
Wherein,
The processor 1603, by the operational order for calling memory 1604 to store, for performing following steps:
Sent to base station for the dispatch request for D2D communication request resources;
Receive configuration information and authorization message that the base station is sent after SPS scheduling of resource is performed, wherein, the configuration information is used for the base station and carries out SPS resource distributions to the UE, it is that the UE authorizes SPS resources that the authorization message, which is used for the base station, and the base station performs SPS scheduling of resource and refers to that the base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and be the UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
According to the SPS cycles, D2D communications are periodically carried out by PC5 interfaces and target UE using the SPS resources.
In some embodiments of the invention, processor 1603 is specific can be used for performing following steps:
When the UE, which is based on D2D direct mode operations, initiates the dispatch request, the rrc layer message that the base station is sent is received, the rrc layer message includes the configuration information, and the configuration information includes the identification information and the identification information in the SPS cycles of the SPS;The descending control information format 5 that the base station is sent is received, the descending control information format 5 includes the authorization message.
In some embodiments of the invention, processor 1603 is specific can be used for performing following steps:
When the UE, which is based on D2D discovery modes, initiates the dispatch request, the rrc layer message that the base station is sent is received, the rrc layer message includes the configuration information and authorization message.
In some embodiments of the invention, processor 1603 can be also used for performing following steps:
It is determined that meeting default D2D sign offs condition, and the SPS resources are stopped using to carry out D2D communications;SPS releases are sent to the base station and indicate message, and the SPS releases indicate that message is used for the SPS resources for indicating that the base station is released to the UE distribution.
In some embodiments of the invention, processor 1603 is specific can be used for performing following steps:
It is determined that it is more than first threshold without the number of times that the D2D business datums are sent, or the UE determines that it sends the number of times for filling message to target UE more than Second Threshold.
In some embodiments of the invention, the D2D business datums include UE- network trunks discovery message and/or networking telephone VoIP voice datas.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the specific work process of the system, apparatus, and unit of foregoing description may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be realized by another way.For example, device embodiment described above is only schematical, for example, the division of the unit, it is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.Another, it, by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be electrical, machinery or other forms that shown or discussed coupling or direct-coupling or communication connection each other, which can be,.
The unit illustrated as separating component can be or may not be physically separate, and the part shown as unit can be or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.It can select according to the actual needs therein some or all of Unit realizes the purpose of this embodiment scheme.
In addition, each functional unit in each of the invention embodiment can be integrated in a processing unit or unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or in use, can be stored in a computer read/write memory medium.Understood based on such, the part or all or part of the technical scheme that technical scheme substantially contributes to prior art in other words can be embodied in the form of software product, the computer software product is stored in a storage medium, including some instructions to cause a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of each embodiment methods described of the invention.And foregoing storage medium includes:USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part technical characteristic;And these modifications or replacement, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (44)

  1. A kind of base station, it is characterised in that including:
    Determining unit, condition is performed for when receiving the dispatch request being used for for device-to-device D2D communication request resources of the first user equipment (UE) transmission, determining that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS;
    First processing units, after meeting default semi-continuous scheduling SPS execution conditions in determining unit determination, it is the D2D communication configuration SPS cycles using SPS modes, and is the first UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
    Second processing unit, after being the first UE distribution SPS resources in the first processing units, SPS resource distributions are carried out to the first UE, and authorize the SPS resources for the first UE, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources.
  2. Base station as claimed in claim 1, it is characterised in that
    The determining unit, specifically for determining that there is the D2D business datums packet to periodically generate characteristic, either determine that the D2D business datums need to perform SPS or determine that the D2D business datums have that packet periodically generates characteristic and the D2D business datums need to perform SPS.
  3. Base station as claimed in claim 2, it is characterised in that
    The determining unit, specifically for when the first UE is based on the D2D direct mode operations initiation dispatch request, frequency is reported to determine that there is packet to periodically generate the Logic Channel Identifier in characteristic, or the data cached state report ProSeBSR of D2D sent by the first UE and determine that there is the D2D business datums packet to periodically generate characteristic for the D2D business datums by the dispatch request;Or, specifically for when the first UE is based on the D2D discovery modes initiation dispatch request, determining that there is the D2D business datums packet to periodically generate characteristic by the rrc layer message comprising the dispatch request.
  4. Base station as described in any one in claims 1 to 3, it is characterised in that the base station also includes:
    Acquiring unit, for when the first UE is based on the D2D direct mode operations initiation dispatch request, before the first processing units are the D2D communication configuration SPS cycles using SPS modes, the packet generation cycle of the acquisition D2D business datums;
    The first processing units, specifically for generating the cycle according to the packet for the SPS resource distributions SPS cycles.
  5. Base station as claimed in claim 4, it is characterised in that
    The acquiring unit, the packet for obtaining the D2D business datums specifically for the Logic Channel Identifier for reporting the packet of D2D business datums described in frequency acquisition to generate in cycle, or the ProSe BSR sent by the first UE by the dispatch request generates the cycle.
  6. Base station as described in claim 4 or 5, it is characterised in that
    The first processing units, control the SC cycles to be the SPS resource distributions SPS cycles specifically for the D2D links for generating cycle and the straight-through resource pools of the corresponding D2D of the first UE according to the packet.
  7. Base station as claimed in claim 6, it is characterised in that
    The first processing units, specifically for the SPS cycles of the SPS resources are set into the least common multiple that the packet generates cycle and the SC cycles.
  8. Base station as described in any one in claims 1 to 3, it is characterised in that
    The first processing units, specifically for being the SPS resource distributions SPS cycles according to the Discovery cycles of the corresponding discovery Discovery resource pools of the first UE when the first UE is based on the D2D discovery modes initiation dispatch request.
  9. Base station as claimed in claim 8, it is characterised in that
    The first processing units, the Discovery cycles specifically for the SPS cycles of the SPS resources to be set to the corresponding Discovery resource pools of the first UE.
  10. Base station as claimed in any of claims 1 to 7 in one of claims, it is characterised in that
    The first processing units, specifically for when the first UE is based on the D2D direct mode operations initiation dispatch request, it is the first UE distribution SPS resources to be led directly in the D2D at least one SC cycle that the SPS cycles are included in resource pool.
  11. Base station as described in any one in claims 1 to 3,8 and 9, it is characterised in that
    The first processing units, specifically for being the first UE distribution SPS resources in the Discovery resource pools at least one Discovery cycle that the SPS cycles are included when the first UE is based on the D2D discovery modes initiation dispatch request.
  12. Base station as described in any one in claim 1 to 7 and 10, it is characterised in that
    The second processing unit, specifically initiates described adjust when the first UE is based on D2D direct mode operations During degree request, for carrying out SPS resource distributions to the first UE by sending rrc layer message, wherein, the rrc layer message includes the identification information and the identification information in the SPS cycles of the SPS;It is the first UE mandates SPS resources by sending descending control information format 5.
  13. Base station as described in any one in claims 1 to 3,8,9 and 11, it is characterised in that
    The second processing unit, specifically for when the first UE is based on the D2D discovery modes initiation dispatch request, by sending rrc layer message to the first UE progress SPS resource distributions and authorizing the SPS resources for the first UE.
  14. Base station as described in any one in claim 1 to 13, it is characterised in that the base station also includes:
    3rd processing unit, after being the first UE mandates SPS resources in the second processing unit, when meeting default resource release conditions, the base station is released to the SPS resources of the first UE distribution.
  15. Base station as claimed in claim 14, it is characterised in that the default resource release conditions include at least one of in the following manner:
    The SPS releases that the base station receives the first UE transmissions indicate that the SPS release timers of message or the base station maintenance exceed predetermined threshold value.
  16. Base station as described in any one in claim 1 to 15, it is characterised in that the D2D business datums include UE- network trunks and find message and/or networking telephone VoIP voice datas.
  17. A kind of user equipment, it is characterised in that including:
    Transmitting element, for being sent to base station for the dispatch request for D2D communication request resources;
    Receiving unit, after sending dispatch request in the transmitting element, receive configuration information and authorization message that the base station is sent after SPS scheduling of resource is performed, wherein, the configuration information is used for the base station and carries out SPS resource distributions to the UE, it is that the UE authorizes SPS resources that the authorization message, which is used for the base station, and the base station performs SPS scheduling of resource and refers to that the base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and be the UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
    Execution unit, after receiving configuration information and authorization message in the receiving unit, according to the SPS cycles, periodically carries out D2D by PC5 interfaces and target UE using the SPS resources and leads to Letter.
  18. User equipment as claimed in claim 17, it is characterised in that
    The receiving unit, specifically for when the UE is based on the D2D direct mode operations initiation dispatch request, the rrc layer message that the base station is sent is received, the rrc layer message includes the configuration information, and the configuration information includes the identification information and the identification information in the SPS cycles of the SPS;The descending control information format 5 that the base station is sent is received, the descending control information format 5 includes the authorization message.
  19. User equipment as claimed in claim 17, it is characterised in that
    The receiving unit, specifically for when the UE is based on the D2D discovery modes initiation dispatch request, receiving the rrc layer message that the base station is sent, the rrc layer message includes the configuration information and authorization message.
  20. User equipment as described in any one in claim 17 to 19, it is characterised in that
    The execution unit, is additionally operable to determination and meets default D2D sign offs condition, and stop using the SPS resources to carry out D2D communications;SPS releases are sent to the base station and indicate message, and the SPS releases indicate that message is used for the SPS resources for indicating that the base station is released to the UE distribution.
  21. User equipment as claimed in claim 20, it is characterised in that
    The execution unit, is more than first threshold specifically for the number of times for determining to send without the D2D business datums, or the UE determines that it is more than Second Threshold to the target UE number of times for sending filling message.
  22. User equipment as described in any one in claim 17 to 21, it is characterised in that the D2D business datums include UE- network trunks and find message and/or networking telephone VoIP voice datas.
  23. A kind of resource regulating method, it is characterised in that including:When receiving the dispatch request being used for for device-to-device D2D communication request resources of the first user equipment (UE) transmission,
    Base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition;
    The base station is the D2D communication configuration SPS cycles using SPS modes, and is the first UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
    The base station carries out SPS resource distributions to the first UE, and authorize the SPS resources for the first UE, the SPS resources are used for the first UE according to the SPS cycles, periodically carry out D2D communications by PC5 interfaces and the 2nd UE using the SPS resources.
  24. Resource regulating method as claimed in claim 23, it is characterised in that the base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS execution condition and included:
    The base station determines that there is the D2D business datums packet to periodically generate characteristic, either the base station determines that the D2D business datums need to perform SPS or the base station and determine that the D2D business datums have that packet periodically generates characteristic and the D2D business datums need to perform SPS.
  25. Resource regulating method as claimed in claim 24, it is characterised in that
    When the first UE, which is based on D2D direct mode operations, initiates the dispatch request, the base station determines that there is packet to periodically generate characteristic and include for the D2D business datums:
    The base station reports frequency to determine that there is the D2D business datums packet to periodically generate characteristic by the dispatch request, or the Logic Channel Identifier in the data cached state report ProSe BSR of D2D that are sent by the first UE of the base station determines that there is the D2D business datums packet to periodically generate characteristic;
    When the first UE, which is based on D2D discovery modes, initiates the dispatch request, the base station determines that there is packet to periodically generate characteristic and include for the D2D business datums:
    The base station determines that there is the D2D business datums packet to periodically generate characteristic by the rrc layer message comprising the dispatch request.
  26. Resource regulating method as described in any one in claim 23 to 25, it is characterised in that when the first UE, which is based on D2D direct mode operations, initiates the dispatch request, also includes before the base station is the D2D communication configuration SPS cycles using SPS modes:
    The base station obtains the packet generation cycle of the D2D business datums;
    Then the base station is to include in the D2D communication configuration SPS cycles using SPS modes:
    The base station generates the cycle for the SPS resource distributions SPS cycles according to the packet.
  27. Resource regulating method as claimed in claim 26, it is characterised in that
    The packet generation cycle that the base station obtains the D2D business datums includes:
    The base station generates the cycle by the packet for reporting D2D business datums described in frequency acquisition of the dispatch request;
    Or, the packet that the Logic Channel Identifier in the ProSe BSR that the base station is sent by the first UE obtains the D2D business datums generates the cycle.
  28. Resource regulating method as described in claim 26 or 27, it is characterised in that
    The base station is to include in the SPS resource distributions SPS cycles according to the packet generation cycle:
    The D2D links that the base station generates cycle and the straight-through resource pools of the corresponding D2D of the first UE according to the packet control the SC cycles to be the SPS resource distributions SPS cycles.
  29. Resource regulating method as claimed in claim 28, it is characterised in that the SC cycles that the base station generates cycle and the straight-through resource pools of the corresponding D2D of the first UE according to the packet include for the SPS resource distributions SPS cycles:
    The SPS cycles of the SPS resources are set to the least common multiple that the packet generates cycle and the SC cycles by the base station.
  30. Resource regulating method as described in any one in claim 23 to 25, it is characterised in that when the first UE, which is based on D2D discovery modes, initiates the dispatch request, the base station is to include in the D2D communication configuration SPS cycles using SPS modes:
    The base station is the SPS resource distributions SPS cycles according to the Discovery cycles of the corresponding discovery Discovery resource pools of the first UE.
  31. Resource regulating method as claimed in claim 30, it is characterised in that the base station is to include in the SPS resource distributions SPS cycles according to the Discovery cycles of the corresponding Discovery resource pools of the first UE:
    The SPS cycles of the SPS resources are set to the Discovery cycles of the corresponding Discovery resource pools of the first UE by the base station.
  32. Resource regulating method as described in any one in claim 23 to 29, it is characterized in that, when the first UE, which is based on D2D direct mode operations, initiates the dispatch request, the SPS cycles include at least one SC cycle, then the base station is that the first UE distribution SPS resources include in the SPS cycles corresponding D2D communication resources ponds:
    It is the first UE distribution SPS resources that D2D of the base station at least one SC cycle that the SPS cycles are included, which is led directly in resource pool,.
  33. Resource regulating method as described in any one in claim 23 to 25,30 and 31, it is characterized in that, when the first UE, which is based on D2D discovery modes, initiates the dispatch request, the SPS cycles include at least one Discovery cycle, then the base station is that the first UE distribution SPS resources include in the SPS cycles corresponding D2D communication resources ponds:
    The base station is the first UE distribution SPS resources in the Discovery resource pools at least one Discovery cycle that the SPS cycles are included.
  34. Resource regulating method as described in any one in claim 23 to 29 and 32, it is characterized in that, when the first UE, which is based on D2D direct mode operations, initiates the dispatch request, the base station carries out SPS resource distributions to the first UE and authorizes the SPS resources to include for the first UE:
    The base station carries out SPS resource distributions by sending rrc layer message to the first UE, wherein, the rrc layer message includes the identification information and the identification information in the SPS cycles of the SPS;
    The base station is the first UE mandates SPS resources by sending descending control information format 5.
  35. Resource regulating method as described in any one in claim 23 to 25,30,31 and 33, it is characterised in that
    When the first UE, which is based on D2D discovery modes, initiates the dispatch request, the base station carries out SPS resource distributions to the first UE and authorizes the SPS resources to include for the first UE:
    The base station is by sending rrc layer message to the first UE progress SPS resource distributions and authorizing the SPS resources for the first UE.
  36. Resource regulating method as described in any one in claim 23 to 35, it is characterised in that methods described also includes:
    When meeting default resource release conditions, the base station is released to the SPS resources of the first UE distribution.
  37. Resource regulating method as claimed in claim 36, it is characterised in that the default resource release conditions include at least one of in the following manner:
    The SPS releases that the base station receives the first UE transmissions indicate that the SPS release timers of message or the base station maintenance exceed predetermined threshold value.
  38. Resource regulating method as described in any one in claim 23 to 37, it is characterised in that
    The D2D business datums include UE- network trunks and find message and/or networking telephone VoIP voice datas.
  39. A kind of resource regulating method, it is characterised in that including:
    UE is sent for the dispatch request for D2D communication request resources to base station;
    UE receives configuration information and the authorization message that the base station is sent after SPS scheduling of resource is performed, its In, the configuration information is used for the base station and carries out SPS resource distributions to the UE, it is that the UE authorizes SPS resources that the authorization message, which is used for the base station, and the base station performs SPS scheduling of resource and refers to that the base station determines that the corresponding D2D business datums waiting for transmission of D2D communications meet default semi-continuous scheduling SPS and perform condition, and be the D2D communication configuration SPS cycles using SPS modes, and be the UE distribution SPS resources in the SPS cycles corresponding D2D communication resources ponds;
    The UE periodically carries out D2D communications using the SPS resources according to the SPS cycles by PC5 interfaces and target UE.
  40. Resource regulating method as claimed in claim 39, it is characterised in that when the UE, which is based on D2D direct mode operations, initiates the dispatch request, the configuration information and authorization message that the UE receives the base station transmission includes:
    The UE receives the rrc layer message that the base station is sent, and the rrc layer message includes the configuration information, and the configuration information includes the identification information and the identification information in the SPS cycles of the SPS;
    The UE receives the descending control information format 5 that the base station is sent, and the descending control information format 5 includes the authorization message.
  41. Resource regulating method as claimed in claim 39, it is characterised in that when the UE, which is based on D2D discovery modes, initiates the dispatch request, the configuration information and authorization message that the UE receives the base station transmission includes:
    The UE receives the rrc layer message that the base station is sent, and the rrc layer message includes the configuration information and authorization message.
  42. Resource regulating method as described in any one in claim 39 to 41, it is characterised in that methods described also includes:
    The UE determines to meet default D2D sign offs condition, and stops using the SPS resources to carry out D2D communications;
    The UE sends SPS releases to the base station and indicates message, and the SPS releases indicate that message is used for the SPS resources for indicating that the base station is released to the UE distribution.
  43. Resource regulating method as claimed in claim 42, it is characterised in that the UE determines that meeting default D2D sign offs condition includes:
    The UE determines that the number of times sent without the D2D business datums is more than first threshold, or the UE determines that it is more than Second Threshold to the target UE number of times for sending filling message.
  44. Resource regulating method as described in any one in claim 39 to 43, it is characterised in that the D2D business datums include UE- network trunks and find message and/or networking telephone VoIP voice datas.
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