CN101500311A - Allocation method, system and apparatus for continuous scheduling resource - Google Patents
Allocation method, system and apparatus for continuous scheduling resource Download PDFInfo
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Abstract
The invention discloses an allocating method, a system and a device for continuous scheduling resources to realize allocation of multi-cycle continuous scheduling resources. The allocating method comprises the following steps: a network side allocates the continuous scheduling resources for a user terminal and sends the initial time and the cycle of the continuous scheduling resources to the user terminal; and the user terminal obtains the continuous scheduling resources allocated by the network side through the initial time and the cycle of the continuous scheduling resources.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of distribution method, system and device of persistent scheduling resource.
Background technology
In wireless communication system, need give different users to finish the transmission of miscellaneous service Radio Resource (comprising resources such as time, frequency, code channel) reasonable distribution.When knowing certain professional characteristic,, can adopt the mode of continuous dispatching or semi-continuous scheduling to send this professional data, to reduce the dispatch expense as data volume, data time of advent etc.
Semi-continuous scheduling refers to that the base station gives one or more allocation of packets fixed resources of certain business, these packets send on the resource location of appointment, do not need to carry out resource allocation by dispatch, other packets of this business then adopt the form of dynamic dispatching to send, and need carry out resource allocation by dispatch.
Continuous dispatching refers to that the base station all distributes fixed resource for all packets of certain business (comprising the different types of data bag under a kind of business and the re-transmission of packet), packet sends at the resource location of appointment, does not need to carry out resource allocation by dispatch.Continuous dispatching need be carried out the configuration of predefine resource, comprises that the configuration service packet sends cycle, frequency resource, Modulation and Coding Scheme (MCS) form etc.At with a kind of business, may have the configuration that the multiple business packet sends the cycle, speech transmissions (VoIP, the Voice over Internet Protocol) business with internet protocol-based describes for example below.
The mode of VoIP business as shown in Figure 1, the VoIP business mainly is divided into active period (talk spurt) and quiet period (silent period), the voice packets of active period size basic fixed, the arrival cycle is 20ms; (SID, Silence Insertion Descriptor) is littler than voice packets for the bag of quiet period, and the arrival cycle is 160ms.In Long Term Evolution research project (LTE, Long Term Evolution), determine the initial transmission of voice packets is carried out continuous dispatching, promptly distribute the predefine resource to carry out continuous dispatching at first the voice packets initial transmission at active period.
The arrival cycle of voice packets is 20ms, and in order to guarantee timely transmission, generally giving the persistent resources cycle of the initial transmission distribution of voice packets is 20ms.If but the two-way time of voice packets (RTT, Round TripTime), promptly the time interval between twice transmission equals 10ms, and then the re-transmission meeting second time of first packet occurs in same subframe with the initial transmission of second packet, promptly clashes.
At present LTE to the distribution of persistent scheduling resource at the monocycle persistent scheduling resource, promptly use radio resource controller (RRC, Radio Resource Control) carries out the cycle configuration, as 20ms, when beginning, continuous dispatching distribute MCS, frequency location etc. to activate continuous dispatching with physical layer descending control channel (PDCCH, Physical Downlink Control CHannel).But this scheme has been mixed many details at realization multicycle persistent scheduling resource branch and can't have been determined.
In sum, prior art can't realize multicycle persistent scheduling resource distribution.
Summary of the invention
The embodiment of the invention provides a kind of distribution method, system and device of persistent scheduling resource, in order to realize the distribution of multicycle persistent scheduling resource.
The distribution method of a kind of persistent scheduling resource that the embodiment of the invention provides comprises:
Network side is that user terminal distributes persistent scheduling resource, and, the zero-time and cycle of described persistent scheduling resource sent to described user terminal;
Described user terminal obtains the persistent scheduling resource that described network side distributes by the zero-time and the cycle of described persistent scheduling resource.
The step that described network side sends to described user terminal with the zero-time of described persistent scheduling resource and cycle comprises:
The corresponding relation of the initial subframe of cycle of the described persistent scheduling resource of described user terminal and persistent scheduling resource is indicated in the base station by the network side signaling;
The frequency location and the Modulation and Coding Scheme MCS of persistent scheduling resource distributed in described base station by the dispatch of physical layer descending control channel PDCCH.
Described user terminal is by the zero-time and the cycle of described persistent scheduling resource, and the step that obtains the persistent scheduling resource of described network side distribution comprises:
Described user terminal obtains the initial subframe of persistent scheduling resource according to the indication of the dispatch of described PDCCH, and according to this initial subframe and described corresponding relation, determines the cycle of described persistent scheduling resource.
The step that described network side sends to described user terminal with the zero-time of described persistent scheduling resource and cycle comprises:
The base station indicates subframe numbers and the packet that described user terminal transmits preceding two packets to arrive the cycle by the network side signaling;
The frequency location and the Modulation and Coding Scheme MCS of persistent scheduling resource distributed in the base station by the dispatch of physical layer descending control channel PDCCH.
Described user terminal is by the zero-time and the cycle of described persistent scheduling resource, and the step that obtains the persistent scheduling resource of described network side distribution comprises:
Described user terminal obtains transmitting the subframe numbers of first packet in described preceding two packets according to the indication of the dispatch of described PDCCH, and according to this subframe numbers, determines the subframe numbers of second packet of transmission;
Described user terminal is according to the subframe numbers of described first packet of transmission and second packet, and the described packet arrival cycle, determines the cycle of described persistent scheduling resource.
The step that described network side sends to described user terminal with the zero-time of described persistent scheduling resource and cycle comprises:
A persistent scheduling resource cycle is distributed by the network side signaling in the base station;
Dispatch first packet by the dispatch of physical layer descending control channel PDCCH the base station, determines the initial moment of odd number bag in dividing frequency resource location and Modulation and Coding Scheme MCS;
Dispatch second packet by the dispatch of PDCCH the base station, determines the initial moment of even number bag in dividing frequency resource location and MCS.
Described user terminal is by the zero-time and the cycle of described persistent scheduling resource, and the step that obtains the persistent scheduling resource of described network side distribution comprises:
Described user terminal is according to the described persistent scheduling resource cycle, and the initial moment of described odd number bag and even number bag, determines persistent scheduling resource information.
This method also comprises:
Described user terminal sends the odd number bag according to the initial moment of described odd number bag every the described persistent scheduling resource cycle; And,, send the even number bag every the described persistent scheduling resource cycle according to the initial moment of described even number bag.
The distribution system of a kind of persistent scheduling resource that the embodiment of the invention provides comprises: base station and user terminal;
Described base station is used to described user terminal to distribute persistent scheduling resource, and, the zero-time and cycle of described persistent scheduling resource sent to described user terminal;
Described user terminal is used for zero-time and cycle by described persistent scheduling resource, obtains the persistent scheduling resource that described network side distributes.
Described base station comprises:
Indicating member is used for indicating by the network side signaling corresponding relation of the initial subframe of cycle of the described persistent scheduling resource of described user terminal and persistent scheduling resource;
The Dispatching Unit of PDCCH is used for frequency location and Modulation and Coding Scheme MCS by the dispatch distribution persistent scheduling resource of physical layer descending control channel PDCCH.
Described user terminal comprises:
Determine initial subframe unit, be used for indication, obtain the initial subframe of persistent scheduling resource according to the dispatch of described PDCCH;
Determine periodic unit, be used for determining the cycle of described persistent scheduling resource according to described initial subframe and described corresponding relation.
Described base station comprises:
Indicating member is used for indicating subframe numbers and the packet that described user terminal transmits preceding two packets to arrive the cycle by the network side signaling;
The Dispatching Unit of PDCCH is used for frequency location and Modulation and Coding Scheme MCS by the dispatch distribution persistent scheduling resource of physical layer descending control channel PDCCH.
Described user terminal comprises:
Determine preceding two data steamed stuffed bun frame number unit, be used for indication, obtain transmitting the subframe numbers of first packet in described preceding two packets, and, determine the subframe numbers of second packet of transmission according to this subframe numbers according to the dispatch of described PDCCH;
Determine periodic unit, be used for subframe numbers, and described packet arrives the cycle, determine the cycle of described persistent scheduling resource according to transmission described first packet and second packet.
Described base station comprises:
The assignment period unit is used for distributing a persistent scheduling resource cycle by the network side signaling;
Odd number packet scheduling unit is used for by the dispatch of physical layer descending control channel PDCCH first packet being dispatched, and determines the initial moment of odd number bag in dividing frequency resource location and Modulation and Coding Scheme MCS;
Even number packet scheduling unit is used for the base station and by the dispatch of PDCCH second packet is dispatched, and determines the initial moment of even number bag in dividing frequency resource location and MCS.
Described user terminal comprises:
Receiving element is used to receive the network side signaling of described base station transmission and the dispatch of PDCCH;
Persistent scheduling resource information determining unit is used for the persistent scheduling resource cycle according to described network side signaling indication, and the odd number bag of the dispatch of described PDCCH indication and the initial moment of even number bag, determines persistent scheduling resource information.
Described user terminal also comprises:
Transmitting element is used for according to described persistent scheduling resource information, from the initial moment of described odd number bag, sends the odd number bag every the described persistent scheduling resource cycle; And,, send the even number bag every the described persistent scheduling resource cycle from the initial moment of described even number bag.
A kind of base station that the embodiment of the invention provides comprises:
Indicating member is used for the corresponding relation of the initial subframe of cycle by network side signaling indicating user terminal persistent scheduling resource and persistent scheduling resource;
The Dispatching Unit of PDCCH is used for frequency location and Modulation and Coding Scheme MCS by the dispatch distribution persistent scheduling resource of physical layer descending control channel PDCCH.
A kind of base station that the embodiment of the invention provides comprises:
Indicating member is used for transmitting the subframe numbers of preceding two packets and packet arrives the cycle by network side signaling indicating user terminal;
The Dispatching Unit of PDCCH is used for frequency location and Modulation and Coding Scheme MCS by the dispatch distribution persistent scheduling resource of physical layer descending control channel PDCCH.
A kind of base station that the embodiment of the invention provides comprises:
The assignment period unit is used for distributing a persistent scheduling resource cycle by the network side signaling;
Odd number packet scheduling unit is used for by the dispatch of physical layer descending control channel PDCCH first packet being dispatched, and determines the initial moment of odd number bag in dividing frequency resource location and Modulation and Coding Scheme MCS;
Even number packet scheduling unit is used for the base station and by the dispatch of PDCCH second packet is dispatched, and determines the initial moment of even number bag in dividing frequency resource location and MCS.
A kind of user terminal that the embodiment of the invention provides comprises:
Determine initial subframe unit, be used for the indication of the dispatch of the physical layer descending control channel PDCCH that sends according to the base station, obtain the initial subframe of persistent scheduling resource;
Determine periodic unit, be used for determining the cycle of described persistent scheduling resource according to described initial subframe and described corresponding relation.
A kind of user terminal that the embodiment of the invention provides comprises:
Determine preceding two data steamed stuffed bun frame number unit, be used for the indication of the dispatch of the physical layer descending control channel PDCCH that sends according to the base station, obtain transmitting the subframe numbers of first packet in described preceding two packets, and, determine the subframe numbers of second packet of transmission according to this subframe numbers;
Determine periodic unit, be used for subframe numbers, and described packet arrives the cycle, determine the cycle of persistent scheduling resource according to transmission described first packet and second packet.
A kind of user terminal that the embodiment of the invention provides comprises:
Receiving element is used to receive the network side signaling of base station transmission and the dispatch of physical layer descending control channel PDCCH;
Persistent scheduling resource information determining unit is used for the persistent scheduling resource cycle according to described network side signaling indication, and the odd number bag of the dispatch of described PDCCH indication and the initial moment of even number bag, determines persistent scheduling resource information.
This user terminal also comprises:
Transmitting element is used for according to described persistent scheduling resource information, from the initial moment of described odd number bag, sends the odd number bag every the described persistent scheduling resource cycle; And,, send the even number bag every the described persistent scheduling resource cycle from the initial moment of described even number bag.
The embodiment of the invention is that user terminal distributes persistent scheduling resource by network side, and, the zero-time and cycle of described persistent scheduling resource sent to described user terminal; Described user terminal obtains the persistent scheduling resource that described network side distributes by the zero-time and the cycle of described persistent scheduling resource, thereby has realized the distribution of multicycle persistent scheduling resource.
Description of drawings
Fig. 1 is the mode schematic diagram of VoIP business in the prior art;
Fig. 2 is a LTE tdd frame structural representation of the prior art;
Fig. 3 is the persistent scheduling resource cycle configuration schematic diagram at the initial subframe of different continuous dispatching;
The overall procedure schematic diagram of the distribution method of a kind of persistent scheduling resource that Fig. 4 provides for the embodiment of the invention;
The idiographic flow schematic diagram of the distribution method of a kind of persistent scheduling resource that Fig. 5 provides for the embodiment of the invention;
The idiographic flow schematic diagram of the distribution method of a kind of persistent scheduling resource that Fig. 6 provides for the embodiment of the invention;
Fig. 7 distributes schematic diagram for the persistent scheduling resource that the embodiment of the invention provides;
The idiographic flow schematic diagram of the distribution method of a kind of persistent scheduling resource that Fig. 8 provides for the embodiment of the invention;
The general structure schematic diagram of the distribution system of a kind of persistent scheduling resource that Fig. 9 provides for the embodiment of the invention;
The concrete structure schematic diagram of the distribution system of a kind of persistent scheduling resource that Figure 10 provides for the embodiment of the invention;
The concrete structure schematic diagram of the distribution system of a kind of persistent scheduling resource that Figure 11 provides for the embodiment of the invention;
The concrete structure schematic diagram of the distribution system of a kind of persistent scheduling resource that Figure 12 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention is continued to use the conclusion of LTE, by the cycle of network side signaling distributing sustainable scheduling, the frequency location of PDCCH distribution persistent scheduling resource and MCS etc., but two characteristics at the multicycle continuous dispatching have been carried out refinement, a kind of distribution method and system of persistent scheduling resource are provided, in order to realize the distribution of multicycle persistent scheduling resource.
In the embodiment of the invention, two characteristics of multicycle continuous dispatching comprise: a plurality of continuous dispatching cycles are arranged; The subframe that the concrete numerical value in continuous dispatching cycle and subframe transfer point and initial transmission take place has corresponding relation.
The ascending-descending subframes transfer point cycle of LTE TDD and transfer point are configured in the system broadcasts to be determined, has promptly just decided before distributing persistent scheduling resource, can not change in the continuous dispatching process.RTT=10ms and two kinds of subframes of 15ms may occur under some subframe transfer point configuration, some transfer point configuration has only the subframe of RTT=10ms down.Therefore, the embodiment of the invention only needs to consider that the subframe numbers and the corresponding relation in continuous dispatching cycle get final product in the distribution of persistent scheduling resource.
At first, in order on the basis that does not reduce systematic function, to avoid predefine resource and the generation that retransmits resource contention, the embodiment of the invention is introduced the scheme of multicycle continuous dispatching, transmission time characteristic and retransmission time interval according to business data packet, be the initial transmission resource allocation of current data packet, make configuration not overlap for the resource of current data packet initial transmission to the resource that previous packet retransmits with configuration.For example, the voice voice packets is distributed two kinds of cycle that replaces mutually: T1, T2, wherein, T1=20+delta, T2=20-delta, the predefine resource cycle is T1, T2, T1, T2......, like this, when the RTT of 10ms, the predefine initial transmission can obtain fine solution with the problem that re-transmission conflicts.
Wherein, the transmission time characteristic of described business data packet comprises: the Transmission Time Interval of packet and packet size.The Transmission Time Interval of packet is the basic foundation in the Resources allocation time interval, and the packet size has then determined the quantity of Resources allocation.In the synchronous HARQ transmission, the retransmission time interval of business data packet is identical, and this time interval is RTT.RTT is a fixed value by sending and receiving end processing delay and frame structure decision, can not arbitrarily change.
In LTE time division duplex (TDD) system, corresponding different ascending-descending subframes configurations has two kinds of RTT configurations of 10ms, 15ms with different subframes.Frame structure referring to LTE TDD shown in Figure 2, LTE TDD can have 5ms and two kinds of subframe transfer point cycle configurations of 10ms, under every kind of cycle, different subframe transfer point configurations might be arranged, every kind of corresponding different ascending-descending subframes of configuration distributes, correspondingly, under every kind of subframe transfer point configuring condition, different sub-frame of uplink has different RTT.For example, in the 5ms transfer point cycle, when the ascending-descending subframes transfer point was positioned at after the subframe 4 (UL:DL=3:1), subframe 0 was a descending sub frame, and subframe 2～4 is a sub-frame of uplink, the RTT=10ms of sub-frame of uplink 2,4, the RTT=15ms of sub-frame of uplink 3.
At above-mentioned ascending-descending subframes transfer point configuration and corresponding RTT value, it is that the voice packets initial transmission that is positioned at subframe 2,4 is distributed 22ms (being 20+2) and two kinds of persistent scheduling resource cycles of 18ms (being 20-2) that VoIP voice packets initial transmission is distributed a kind of possible scheme of persistent scheduling resource, two kinds of cycles alternately occur, and the voice packets initial transmission of subframe 3 are distributed the cycle of 20ms.As shown in Figure 3, the persistent scheduling resource assignment period is divided into and is following three kinds of situations:
Situation one: if the initial subframe of persistent scheduling resource is a subframe 2, its cycle is configured to 22ms, 18ms, 22ms, 18ms......, it is the subframe 2 that first voice packets initial transmission occurs in field 0, second voice packets initial transmission occurs in the subframe 4 of field 4, the initial transmission of the 3rd voice packets occurs in the subframe 2 of field 8, and the rest may be inferred.
Situation two: if the initial subframe of persistent scheduling resource is a subframe 3, its cycle is configured to 20ms, and each promptly later voice packets initial transmission all occurs in subframe 3.
Situation three: if the initial subframe of persistent scheduling resource is a subframe 4, its cycle is configured to 18ms, 22ms, 18ms, 22ms.......
Based on above-mentioned multicycle persistent scheduling resource configuration, the allocative decision that needs careful design persistent scheduling resource is to guarantee the realization of multicycle continuous dispatching, so, referring to Fig. 4, the distribution method of a kind of persistent scheduling resource that the embodiment of the invention provides totally comprises step:
S401, network side are that user terminal distributes persistent scheduling resource, and, the zero-time and cycle of described persistent scheduling resource sent to described user terminal.
S402, described user terminal obtain the persistent scheduling resource that described network side distributes by the zero-time and the cycle of described persistent scheduling resource.
Below introduce three kinds of concrete grammars of realizing the multicycle continuous dispatching that the embodiment of the invention provides respectively.
Method one:
By the network side signaling indication continuous dispatching initial subframe number and the detailed corresponding relation in continuous dispatching cycle, entering information such as continuous dispatching indicated persistent scheduling resource before the cycle frequency location and MCS by the dispatch of a PDCCH.
Still with the 5ms ascending-descending subframes change-over period, UL:DL=3:1, it is the example explanation that the VoIP voice packets is carried out continuous dispatching.The three cover persistent scheduling resource cycles of network side signaling configuration are as shown in table 1:
| Sequence number | Subframe numbers | Cycle (ms) |
| 1 | |
22,18 alternately |
| 2 | |
20 |
| 3 | |
18,22 alternately |
Table 1
Referring to Fig. 5, the distribution method of a kind of persistent scheduling resource that the embodiment of the invention provides comprises step:
S501, base station are by the cycle of network side signaling indicating user terminal persistent scheduling resource and the corresponding relation of the initial frame number of persistent scheduling resource, comprising the situation in an initial frame number multiple cycle of correspondence.
The frequency location and the MCS of persistent scheduling resource are distributed by the dispatch of PDCCH in S502, base station, have determined the original position of persistent scheduling resource, i.e. initial frame number this moment.
So far, the base station is finished and is shared out the work.
S503, user terminal are according to the position (being the initial frame number of persistent scheduling resource) of first persistent scheduling resource bag of the dispatch scheduling of PDCCH, search the cycle configuration of corresponding persistent scheduling resource in the various corresponding relations of from the network side signaling, informing, determine the cycle of persistent scheduling resource.
So far, user terminal is determined all information of persistent scheduling resource.
Method two:
Distribute the subframe numbers of preceding two data packet transmission of continuous dispatching and packet to arrive cycle two amounts by the network side signaling, entering information such as continuous dispatching indicated persistent scheduling resource before the cycle frequency location and MCS by the dispatch of a PDCCH.
Still with the 5ms ascending-descending subframes change-over period, UL:DL=3:1 carries out the explanation of continuous dispatching example to VoIP voice packets (the packet arrival cycle is 20ms), and the three cover persistent scheduling resource cycles of network side signaling configuration are as shown in table 2:
| Sequence number | Subframe numbers | Period T (ms) |
| 1 | |
20 |
| 2 | |
20 |
| 3 | |
20 |
Table 2
Referring to Fig. 6, the distribution method of a kind of persistent scheduling resource that the embodiment of the invention provides comprises step:
S601, base station indicate the subframe numbers of preceding two data packet transmission and packet to arrive period T, T=20 as shown in table 2 by the network side signaling.
The frequency location and the MCS form of persistent scheduling resource distributed in S602, base station by the dispatch of PDCCH, the original position of persistent scheduling resource, the transmission location (promptly transmitting the subframe position of this packet) of first packet in just described two packets have been determined this moment.
S603, user terminal are by the transmission location of first persistent scheduling resource bag (being first packet in described two packets) of the dispatch indication of PDCCH, subframe and packet with corresponding second packet generation of described first packet according to the indication of network side signaling arrive period T, determine the subframe that second packet takes place, i.e. transmission location accurately.
Wherein, the field of second packet generation is determined by period T, the concrete delivery time of second packet, be T/5 field after first data packet transmission field, in last example, T=20ms, first packet occur in the subframe 2 of field 0, and then second packet occurs in the subframe 3 of field 4.
First and second packet delivery plan that S604, user terminal will be determined is done as a whole, according to the transmission location of first and second packet, determines that the persistent scheduling resource cycle is 2
*T is promptly every 2
*There is identical persistent scheduling resource configuration the time of T.
So far finish the distribution of persistent scheduling resource.
Method three:
The network side signaling is only distributed a kind of cycle: 2
*Packet arrives the cycle, determines that by the dispatch of two PDCCH odd number bag and even number bag two overlap the original position of persistent scheduling resource, finally finish the distribution of persistent scheduling resource in dividing frequency position and MCS respectively.Wherein, being spaced apart of the initial resource of two dispatch scheduling: packet arrives cycle+deviate.
Persistent scheduling resource cycle and two physical layer dispatch strange, the even data bag the determined start cycle that send resource of user terminal by the network side signaled, determine complete persistent scheduling resource information.
The periodicity of multicycle persistent scheduling resource is T1, T2, T1, T2......, or single packet arrives cycle, wherein T1+T2=2
*Packet arrives the cycle.Distribute twice persistent scheduling resource regarding as odd number bag and even number bag to distribute complete persistent scheduling resource, then the cycle between the odd number bag is 2
*Packet arrives the cycle, and the cycle between the even number bag also is 2
*Packet arrives the cycle.The persistent scheduling resource that single packet is arrived the cycle also can be thought like this.
Still with the 5ms ascending-descending subframes change-over period, UL:DL=3:1 carries out the explanation of continuous dispatching example to VoIP voice packets (the packet arrival cycle is 20ms), and Fig. 7 is the assigning process schematic diagram to the persistent scheduling resource that begins from subframe 2.
Referring to Fig. 8, the distribution method of a kind of persistent scheduling resource that the embodiment of the invention provides comprises step:
A kind of persistent scheduling resource cycle is determined by the network side signaling in S801, base station: the T=2* packet arrives the cycle, is that this distribution with the monocycle persistent scheduling resource of 40ms is consistent in the last example.
Dispatch first packet by the dispatch (being called odd number packet scheduling signaling) of PDCCH S802, base station, determines the zero hour of odd number bag when determining frequency resource position and MCS.
Dispatch second packet by the dispatch (being called even number packet scheduling signaling) of PDCCH S803, base station, determines the zero hour of even number bag when determining frequency resource position and MCS.
S804, user terminal send the odd number bag according to the frequency resource and the MCS form of the indication of odd number packet scheduling signaling every time T (going up in the example is 40ms); Frequency resource and MCS form according to the indication of even number packet scheduling signaling send the even number bag every time T (going up in the example is 40ms).
Being spaced apart of even number packet scheduling signaling and odd number packet scheduling signaling: packet arrives cycle ± delta, and the concrete numerical value of delta is by the cycle configuration decision of multicycle continuous dispatching.
In addition, the method that provides of the embodiment of the invention also is applicable to following two kinds of situations:
It is not the distribution of other multicycle persistent scheduling resource of 20ms that packet arrives the cycle;
Cycle is spaced apart
Situation, the scheme that this moment method three provides is more suitable, network side configuration cycle is: 2K
*Packet arrives the cycle, and the PDCCH number that needs is 2K.
Referring to Fig. 9, the distribution system of a kind of persistent scheduling resource that the embodiment of the invention provides totally comprises: base station 91 and user terminal 92.
Described base station 91 is used to described user terminal 92 to distribute persistent scheduling resource, and, the zero-time and cycle of described persistent scheduling resource sent to described user terminal 92.
Described user terminal 92 is used for zero-time and cycle by described persistent scheduling resource, obtains the persistent scheduling resource that described network side distributes.
Preferably, referring to Figure 10, the distribution system of a kind of persistent scheduling resource that the embodiment of the invention provides comprises: base station 101 and user terminal 102.
Described base station 101 comprises:
Indicating member 1011 is used for indicating the cycle of described user terminal 102 described persistent scheduling resource and the corresponding relation of the initial subframe of continuous dispatching by the network side signaling.
The Dispatching Unit 1012 of PDCCH is used for frequency location and Modulation and Coding Scheme MCS by the dispatch distribution persistent scheduling resource of physical layer descending control channel PDCCH.
Described user terminal 102 comprises:
Determine initial subframe unit 1021, be used for indication, obtain the initial subframe of continuous dispatching according to the dispatch of described PDCCH.
Determine periodic unit 1022, be used for determining the cycle of described persistent scheduling resource according to described initial subframe and described corresponding relation.
Preferably, referring to Figure 11, the distribution system of a kind of persistent scheduling resource that the embodiment of the invention provides comprises: base station 111 and user terminal 112.
Described base station 111 comprises:
Indicating member 1111 is used for indicating the subframe numbers and the packet of preceding two packets of described user terminal 112 transmission to arrive the cycle by the network side signaling.
The Dispatching Unit 1112 of PDCCH is used for frequency location and Modulation and Coding Scheme MCS by the dispatch distribution persistent scheduling resource of physical layer descending control channel PDCCH.
Described user terminal 112 comprises:
Determine preceding two data steamed stuffed bun frame number unit 1121, be used for indication, obtain transmitting the subframe numbers of first packet in described preceding two packets, and, determine the subframe numbers of second packet of transmission according to this subframe numbers according to the dispatch of described PDCCH.
Determine periodic unit 1122, be used for subframe numbers, and described packet arrives the cycle, determine the cycle of described persistent scheduling resource according to transmission described first packet and second packet.
Preferably, referring to Figure 12, the distribution system of a kind of persistent scheduling resource that the embodiment of the invention provides comprises: base station 121 and user terminal 122.
Described base station 121 comprises:
Assignment period unit 1211 is used for distributing a persistent scheduling resource cycle by the network side signaling.
Odd number packet scheduling unit 1212 is used for by the dispatch of physical layer descending control channel PDCCH first packet being dispatched, and determines the initial moment of odd number bag in dividing frequency resource location and Modulation and Coding Scheme MCS.
Even number packet scheduling unit 1213 is used for the base station and by the dispatch of PDCCH second packet is dispatched, and determines the initial moment of even number bag in dividing frequency resource location and MCS.
Described user terminal 122 comprises:
Receiving element 1221 is used to receive the network side signaling of described base station transmission and the dispatch of PDCCH.
Persistent scheduling resource information determining unit 1222 is used for the persistent scheduling resource cycle according to described network side signaling indication, and the odd number bag of the dispatch of described PDCCH indication and the initial moment of even number bag, determines persistent scheduling resource information.
Transmitting element 1223 is used for according to described persistent scheduling resource information, from the initial moment of described odd number bag, sends the odd number bag every the described persistent scheduling resource cycle; And,, send the even number bag every the described persistent scheduling resource cycle from the initial moment of described even number bag.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (23)
1, a kind of distribution method of persistent scheduling resource is characterized in that, this method comprises:
Network side is that user terminal distributes persistent scheduling resource, and, the zero-time and cycle of described persistent scheduling resource sent to described user terminal;
Described user terminal obtains the persistent scheduling resource that described network side distributes by the zero-time and the cycle of described persistent scheduling resource.
2, method according to claim 1 is characterized in that, the step that described network side sends to described user terminal with the zero-time of described persistent scheduling resource and cycle comprises:
The corresponding relation of the initial subframe of cycle of the described persistent scheduling resource of described user terminal and persistent scheduling resource is indicated in the base station by the network side signaling;
The frequency location and the Modulation and Coding Scheme MCS of persistent scheduling resource distributed in described base station by the dispatch of physical layer descending control channel PDCCH.
3, method according to claim 2 is characterized in that, described user terminal is by the zero-time and the cycle of described persistent scheduling resource, and the step that obtains the persistent scheduling resource of described network side distribution comprises:
Described user terminal obtains the initial subframe of persistent scheduling resource according to the indication of the dispatch of described PDCCH, and according to this initial subframe and described corresponding relation, determines the cycle of described persistent scheduling resource.
4, method according to claim 1 is characterized in that, the step that described network side sends to described user terminal with the zero-time of described persistent scheduling resource and cycle comprises:
The base station indicates subframe numbers and the packet that described user terminal transmits preceding two packets to arrive the cycle by the network side signaling;
The frequency location and the Modulation and Coding Scheme MCS of persistent scheduling resource distributed in the base station by the dispatch of physical layer descending control channel PDCCH.
5, method according to claim 4 is characterized in that, described user terminal is by the zero-time and the cycle of described persistent scheduling resource, and the step that obtains the persistent scheduling resource of described network side distribution comprises:
Described user terminal obtains transmitting the subframe numbers of first packet in described preceding two packets according to the indication of the dispatch of described PDCCH, and according to this subframe numbers, determines the subframe numbers of second packet of transmission;
Described user terminal is according to the subframe numbers of described first packet of transmission and second packet, and the described packet arrival cycle, determines the cycle of described persistent scheduling resource.
6, method according to claim 1 is characterized in that, the step that described network side sends to described user terminal with the zero-time of described persistent scheduling resource and cycle comprises:
A persistent scheduling resource cycle is distributed by the network side signaling in the base station;
Dispatch first packet by the dispatch of physical layer descending control channel PDCCH the base station, determines the initial moment of odd number bag in dividing frequency resource location and Modulation and Coding Scheme MCS;
Dispatch second packet by the dispatch of PDCCH the base station, determines the initial moment of even number bag in dividing frequency resource location and MCS.
7, method according to claim 6 is characterized in that, described user terminal is by the zero-time and the cycle of described persistent scheduling resource, and the step that obtains the persistent scheduling resource of described network side distribution comprises:
Described user terminal is according to the described persistent scheduling resource cycle, and the initial moment of described odd number bag and even number bag, determines persistent scheduling resource information.
8, method according to claim 7 is characterized in that, this method also comprises:
Described user terminal sends the odd number bag according to the initial moment of described odd number bag every the described persistent scheduling resource cycle; And,, send the even number bag every the described persistent scheduling resource cycle according to the initial moment of described even number bag.
9, a kind of distribution system of persistent scheduling resource is characterized in that, this system comprises: base station and user terminal;
Described base station is used to described user terminal to distribute persistent scheduling resource, and, the zero-time and cycle of described persistent scheduling resource sent to described user terminal;
Described user terminal is used for zero-time and cycle by described persistent scheduling resource, obtains the persistent scheduling resource that described network side distributes.
10, system according to claim 9 is characterized in that, described base station comprises:
Indicating member is used for indicating by the network side signaling corresponding relation of the initial subframe of cycle of the described persistent scheduling resource of described user terminal and persistent scheduling resource;
The Dispatching Unit of PDCCH is used for frequency location and Modulation and Coding Scheme MCS by the dispatch distribution persistent scheduling resource of physical layer descending control channel PDCCH.
11, system according to claim 10 is characterized in that, described user terminal comprises:
Determine initial subframe unit, be used for indication, obtain the initial subframe of persistent scheduling resource according to the dispatch of described PDCCH;
Determine periodic unit, be used for determining the cycle of described persistent scheduling resource according to described initial subframe and described corresponding relation.
12, system according to claim 9 is characterized in that, described base station comprises:
Indicating member is used for indicating subframe numbers and the packet that described user terminal transmits preceding two packets to arrive the cycle by the network side signaling;
The Dispatching Unit of PDCCH is used for frequency location and Modulation and Coding Scheme MCS by the dispatch distribution persistent scheduling resource of physical layer descending control channel PDCCH.
13, system according to claim 12 is characterized in that, described user terminal comprises:
Determine preceding two data steamed stuffed bun frame number unit, be used for indication, obtain transmitting the subframe numbers of first packet in described preceding two packets, and, determine the subframe numbers of second packet of transmission according to this subframe numbers according to the dispatch of described PDCCH;
Determine periodic unit, be used for subframe numbers, and described packet arrives the cycle, determine the cycle of described persistent scheduling resource according to transmission described first packet and second packet.
14, system according to claim 9 is characterized in that, described base station comprises:
The assignment period unit is used for distributing a persistent scheduling resource cycle by the network side signaling;
Odd number packet scheduling unit is used for by the dispatch of physical layer descending control channel PDCCH first packet being dispatched, and determines the initial moment of odd number bag in dividing frequency resource location and Modulation and Coding Scheme MCS;
Even number packet scheduling unit is used for the base station and by the dispatch of PDCCH second packet is dispatched, and determines the initial moment of even number bag in dividing frequency resource location and MCS.
15, system according to claim 14 is characterized in that, described user terminal comprises:
Receiving element is used to receive the network side signaling of described base station transmission and the dispatch of PDCCH;
Persistent scheduling resource information determining unit is used for the persistent scheduling resource cycle according to described network side signaling indication, and the odd number bag of the dispatch of described PDCCH indication and the initial moment of even number bag, determines persistent scheduling resource information.
16, system according to claim 15 is characterized in that, described user terminal also comprises:
Transmitting element is used for according to described persistent scheduling resource information, from the initial moment of described odd number bag, sends the odd number bag every the described persistent scheduling resource cycle; And,, send the even number bag every the described persistent scheduling resource cycle from the initial moment of described even number bag.
17, a kind of base station is characterized in that, this base station comprises:
Indicating member is used for the corresponding relation of the initial subframe of cycle by network side signaling indicating user terminal persistent scheduling resource and persistent scheduling resource;
The Dispatching Unit of PDCCH is used for frequency location and Modulation and Coding Scheme MCS by the dispatch distribution persistent scheduling resource of physical layer descending control channel PDCCH.
18, a kind of base station is characterized in that, this base station comprises:
Indicating member is used for transmitting the subframe numbers of preceding two packets and packet arrives the cycle by network side signaling indicating user terminal;
The Dispatching Unit of PDCCH is used for frequency location and Modulation and Coding Scheme MCS by the dispatch distribution persistent scheduling resource of physical layer descending control channel PDCCH.
19, a kind of base station is characterized in that, this base station comprises:
The assignment period unit is used for distributing a persistent scheduling resource cycle by the network side signaling;
Odd number packet scheduling unit is used for by the dispatch of physical layer descending control channel PDCCH first packet being dispatched, and determines the initial moment of odd number bag in dividing frequency resource location and Modulation and Coding Scheme MCS;
Even number packet scheduling unit is used for the base station and by the dispatch of PDCCH second packet is dispatched, and determines the initial moment of even number bag in dividing frequency resource location and MCS.
20, a kind of user terminal is characterized in that, this user terminal comprises:
Determine initial subframe unit, be used for the indication of the dispatch of the physical layer descending control channel PDCCH that sends according to the base station, obtain the initial subframe of persistent scheduling resource;
Determine periodic unit, be used for determining the cycle of described persistent scheduling resource according to described initial subframe and described corresponding relation.
21, a kind of user terminal is characterized in that, this user terminal comprises:
Determine preceding two data steamed stuffed bun frame number unit, be used for the indication of the dispatch of the physical layer descending control channel PDCCH that sends according to the base station, obtain transmitting the subframe numbers of first packet in described preceding two packets, and, determine the subframe numbers of second packet of transmission according to this subframe numbers;
Determine periodic unit, be used for subframe numbers, and described packet arrives the cycle, determine the cycle of persistent scheduling resource according to transmission described first packet and second packet.
22, a kind of user terminal is characterized in that, this user terminal comprises:
Receiving element is used to receive the network side signaling of base station transmission and the dispatch of physical layer descending control channel PDCCH;
Persistent scheduling resource information determining unit is used for the persistent scheduling resource cycle according to described network side signaling indication, and the odd number bag of the dispatch of described PDCCH indication and the initial moment of even number bag, determines persistent scheduling resource information.
23, user terminal according to claim 22 is characterized in that, this user terminal also comprises:
Transmitting element is used for according to described persistent scheduling resource information, from the initial moment of described odd number bag, sends the odd number bag every the described persistent scheduling resource cycle; And,, send the even number bag every the described persistent scheduling resource cycle from the initial moment of described even number bag.
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