CN101193444B - Resource allocation method and its system and device - Google Patents
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- 238000013468 resource allocation Methods 0.000 title claims description 21
- 230000002085 persistent effect Effects 0.000 claims description 64
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Abstract
The invention relates to a wireless communication field, which discloses a method, a system and an equipment of resource assignment so that the system resource can be efficiently facilitated. The invention comprises the processes: a network side sends to a terminal half-continuing assignment information with assignment resource scope for the terminal and information whether the assignment is continuing or not; the terminal obtains the resource scope assigned by the terminal according to the received half-continuing assignment information, detects resource available in the scope when the terminal demands for resource during the assignment continuing period, and takes the detected available resource as useable resource for the terminal. The terminal can be a terminal of resource that has not been assigned or a terminal of resource that has been continuously assigned or discontinuously assigned.
Description
Technical field
The present invention relates to wireless communication field, particularly the resource assignation technology.
Background technology
Because current society entered an informationalized society, the transmission that does not have information with exchange, people just can't adapt to modern allegro live and work.People's expectation, in time reliably, is not subjected to space-time restrictedly to carry out information interchange whenever and wherever possible, improves the efficient and the economic benefit of work.On the other hand, since the eighties, analog mobile communication system was born, mobile communication obtained develop rapidly in the whole world in the short more than ten years, develops into second generation digital system from first generation analogue system.At present, second generation digital system mainly comprises global system for mobile communications (Global System for mobileCommunication is called for short " GSM ") and code division multiple access (Code Division Multiple Access is called for short " CDMA ") etc.
Therefore, desiredly, in time reliably, be not subjected to space-time information interchange restrictedly whenever and wherever possible, the mobile communication technology by develop rapidly is achieved.With China is example, 2000 to 2002, mobile phone user newly-increased respectively 4,197 ten thousand families, 5,955 ten thousand families and 6,139 ten thousand families, 2003, newly-increased mobile phone user's number reaches 6,270 ten thousand, by in by the end of October, 2003, China mobile phone user has reached 2.56938 hundred million families, surpasses the fixed telephone subscriber in history first.
Use problem for the resource that solves numerous mobile subscribers, network side uses resource assignation by assignment message to the mobile subscriber, and assignment message is shared transmission in the signaling channel (F-SCCH) at forward direction.The form of assignment message is as shown in table 1:
| Field (field) | Block type (block type) | MAC ID | Persis- tent | ChanID | PF | Durati on | Ext. TX | Timi ng | Suppl. | Rank |
| #bits (bit number) | 3 | 9-11 | 1 | 6-8 | 4-6 | 2 | 1 | 6 | 1 | 2 |
| Access Grant | 000 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| FLAM | 010 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 |
| RLAM | 011 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 |
| MCW FLAM1 | 100 | TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD |
| MCW FLAM2 | 101 | TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD |
| SCW FLAB | 110 | TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD | TBD |
Table 1
Wherein, laterally represent different area fields, and vertically represent different message.Such as assignment message FLAM is used for the assignment of forward direction resource; RLAM is used for the assignment of reverse resource.
Be not difficult to find that assignment message FLAM and RLAM all comprise a territory " Persistent " (continuing the territory), whether this territory is used to indicate this assignment " continuing assignment ".So-called " continuing assignment " is meant that terminal (being the mobile subscriber) continues to take this resource and sends the situation of failing up to receiving the indication that clear and definite cancellation distributes or packet having occurred." non-persistent " assignment in contrast, i.e. " non-lasting assignment ", " non-lasting assignment " is meant that the resource of current assignment only is used for the transmission of current data packet.In case this data packet transmission finishes (or bust this), then this sub-distribution finishes.According to the type that is assigned resource, terminal can be divided into Persistent user and non-persistent user.
For Persistent user, if there are not data to transmit, hope simultaneously keeps current assignment and does not discharge, and can adopt the method that sends Keep alive (resource maintenance) message.Three kinds of methods that send Keepalive are arranged: a) network side sends the Keep alive message of broadcasting, whether comprise the indication whether resource keeps in this message, be 0 to indicate each fundamental node (BaseNode) whether to be in Keep Alive state with individual bit.B) network side sends on corresponding resource and wipes sequence.C) adopt the form of clean culture to send, each keep alive bit is carried by a sequence, and each is than peculiar various states.Each Persistent user detects Keep alive message, thereby whether determines the deal with data zone, whether deactivates current assignment message.
Yet number of users of mobile terminal that rises and intrinsic Radio Resource have proposed more and more higher requirement to mobile communication technology rapidly.Such as in existing 3GPP2 agreement, the forward direction resource is divided into about 32 fundamental nodes (BaseNode), removes boundary belt, and spendable BaseNode approximately only has 28.And present assignment mode has still caused waste to limited system resource.Such as for Persistent user, when not having transfer of data (Idle) state that enters the free time, assignment is not used for the resource of this user terminal.When if the idle condition proportion is bigger, then system resource has been caused waste to a certain degree.
In addition, for non-persistent user, when sending bag data, when entering next bag data transmission, the resource location of assignment, packet format (PF) do not change if desired, then should send and the identical assignment message of assignment last time.When this same assignment more for a long time, network side will send a plurality of identical assignment messages, equally system resource caused waste to a certain degree.
Summary of the invention
The technical problem underlying that each execution mode of the present invention will solve provides a kind of resource allocation method and system and equipment, makes system resource more effectively to be utilized.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of resource allocation method, comprise following steps:
Network side sends semi-continuous assignment message to terminal, and this semi-continuous assignment message carries the information that whether continues into the scope of resource of this terminal assignments and this assignment;
Terminal obtains the scope of resource of network side for this terminal assignments according to semi-continuous assignment message, and this assignment the duration in when needing to use resource, detection available resource in this scope, with detected available resources as the spendable resource of this terminal, the resource that detected unavailable resource is being used as the other-end of sharing a scope of resource.
Embodiments of the present invention also provide a kind of network equipment, comprise:
Generation module, be used to generate semi-continuous assignment message, this semi-continuous assignment message carries the information that whether continues into the scope of resource of terminal assignments and this assignment, the scope of resource of described assignment for described terminal this assignment the duration in detect resource available in this scope when needing to use resource, with detected available resources as the spendable resource of this terminal, the resource that detected unavailable resource is being used as the other-end of sharing a scope of resource; With
Sending module is used for sending the semi-continuous assignment message that generates to terminal.
Embodiments of the present invention also provide a kind of terminal equipment, comprise:
Acquisition module is used to obtain the scope of resource of network side for this terminal assignments; With
Detection module, be used for assignment the duration in when needing to use resource, in scope of resource, detect available resource, with detected available resources as the spendable resource of this terminal, the resource that detected unavailable resource is being used as the other-end of sharing a scope of resource.
Embodiments of the present invention also provide a kind of resource allocation system, comprise network equipment mentioned above, and/or terminal equipment mentioned above.
Each execution mode of the present invention compared with prior art, the main distinction and effect thereof are:
Network side sends semi-continuous assignment message to terminal, and this semi-continuous assignment message carries the information that whether continues into the scope of resource of this terminal assignments and this assignment; Terminal obtains scope of resource into this terminal assignments according to the semi-continuous assignment message received, and this assignment the duration in when needing to use resource, detect resource available in this scope, with detected available resources as the spendable resource of this terminal.Because it is a scope that the resource of terminal is given in the network side assignment, therefore network side can be given the same scope of resource of a plurality of terminal distribution, terminal detects the resource that this terminal can be used earlier when needs use resource, this resource can not used by the other-end of sharing same scope of resource when this terminal was not used resource, realized sharing of resource, thereby when having solved terminal and not had transfer of data, the wasting of resources problem that assignment is not used for the resource of this terminal.And, because semi-continuous assignment message carries the information whether this assignment continues, having solved same assignment more for a long time, network side is because of constantly sending the wasting of resources problem that identical assignment message causes.
This is assigned as disposable assignment the information notice terminal whether network side can continue by assignment, and still permanent assignment, or the assignment in lasting preset time cycle have realized the resource-sharing in band time limit.
Terminal can be the terminal that is not assigned the terminal of resource as yet or has been continued assignment or non-lasting assigned resources.Solved the sharing problem of resource between persistent user and persistent user, non-persistent user and non-persistent user, persistent user and the non-persistent user.That is to say, realized sharing resource between any user.
The form of semi-continuous assignment message can be continued to use the form that continues assignment message, only need expand the bit value in " persistent " territory of assignment message or the field of assignment message, by the bit value in " persistent " territory or this assignment message of field identification of expansion is semi-continuous assignment message, making only needs to increase by 1 bit or a field in existing assignment message territory, and need not increase new type of message, can represent semi-continuous assignment message.Certainly, also can aim at the new type of message of semi-continuous assignment message definition, the form of this semi-continuous assignment message still form with lasting assignment message is identical, is semi-continuous assignment message by this assignment message of " Block type " field identification.
The form of semi-continuous assignment message also can be inequality with the form of lasting assignment message, and network side is semi-continuous assignment message by this assignment message of " Block type " field identification.Such as, the original position and the end position of the scope of resource of semi-continuous assignment message by comprising assignment, the notice terminal is the scope of resource of its assignment; Perhaps, by in semi-continuous assignment message, indicating the assignment situation of each resource in the presumptive area, the notice terminal is the scope of resource of its assignment, if the bit number that is used to represent the assignment situation of each resource in this presumptive area is greater than the bit number that can carry in the semi-continuous assignment message, then the assignment situation of each resource is the scope of resource of its assignment by semi-continuous assignment message segmentation notice terminal in this presumptive area.Making to the scope of resource of terminal assignments can be continuous, also can be discontinuous.
Description of drawings
Fig. 1 is the resource allocation method flow chart according to first embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
In embodiments of the present invention, it all is not that this terminal is used that network side is given the resource of terminal assignments, but the scope of resource that assignment shares for this terminal and other-end, semi-continuous assignment message carries the information whether this assignment continues.When this terminal this assignment the duration in when needing to use resource, detect resource available in this scope earlier, as the spendable resource of this terminal, detected unavailable resource is the resource that the other-end of sharing a scope of resource is using with detected available resources.
Below first execution mode of the present invention is described in detail, present embodiment relates to resource allocation method, and idiographic flow as shown in Figure 1.
In step 110, network side sends semi-continuous assignment message to terminal, notifies the scope of resource of this terminal for its assignment, and this terminal can be described as Semi-persistent user (semi-continuous user).Resource with assignment is that the forward direction resource is an example, and network side sends semi-continuous assignment message to terminal, the position (also can notify when this terminal initial inserts by top signaling) of notifying this terminal may transmit the fundamental node of data.Carry the information whether this assignment continues in the semi-continuous assignment message that sends, solved same assignment more for a long time, network side is because of constantly sending the wasting of resources problem that identical assignment message causes.The information whether this assignment continues can be disposable assignment, also assignment forever, or the assignment in lasting preset time cycle, and the continuation of this assignment can be defined flexibly by system.Can share with other-end because network side is the scope of resource of this terminal assignments,, then realize the resource-sharing in band time limit if therefore this assignment is the assignment that continues the preset time cycle.Certainly, the resource of semi-continuous assignment message institute assignment also can be used to transmit supplementary, that is to say, the purposes of the resource of semi-continuous assignment message institute assignment can be consistent with the purposes of the resource of bag Data Control assignment message (PDCAM) institute assignment.
In the present embodiment, by existing assignment message is made amendment, represent semi-continuous assignment message.Such as the field of the bit value in " persistent " territory of expansion assignment message or expansion assignment message is semi-continuous assignment message with the bit value in " persistent " territory or this assignment message of field identification of expansion
Specifically, be example with the assignment message FLAM of forward direction resource, if the bit value of semi-continuous assignment message by " persistent " territory of the FLAM of expansion identifies, then new FLAM structure is as shown in table 2.
| Field (field) | Block type (block type) | MA CID | Persis -tent | ChanI D | PF | Duration | Ext. TX | Timin g | Suppl. | Rank |
| #bits (than his number) | 3 | 9-11 | 2 | 6-8 | 4-6 | 2 | 1 | 6 | 1 | 2 |
| FLAM | 010 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 |
Table 2
In table 2, the persistent territory is extended to 2 bits, be used for representing 3 kinds of assignment modes.Such as the persistent territory is the original non-persistent assignment of " 00 " expression, the original persistent assignment of " 01 " expression, and the new Semi-persistent assignment of " 10 " expression, and this assignment itself is lasting (persistent); And the new Semi-persistent assignment of " 11 " expression, and this assignment itself has the time limit, and this time limit is preestablished by system.This shows that only need pass through increases by 1 bit in existing assignment message territory, and need not increase new type of message, just can represent the semi-continuous assignment message in the present embodiment.
If semi-continuous assignment message identifies by the field (as newly-increased SP field) of the FLAM of expansion, then new FLAM structure is as shown in table 3.
| Field (field) | Block type (block type) | MAC ID | Persis-t ent | SP | Cha nID | PF | Dura tion | Ext. TX | Timin g | Supp 1. | Ran k |
| #bits (bit number) | 3 | 9-11 | 1 | 1 | 6-8 | 4-6 | 2 | 1 | 6 | 1 | 2 |
| FLAM | 010 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 |
Table 3
Can suppose that SP represented that this assignment message was semi-continuous assignment message at 1 o'clock, the value in persistent territory is used to represent that whether this assignment continues, and system can define the non-lasting semi-continuous assignment time cycle.SP is 0 o'clock, represents normal assignment, and promptly this assignment message is for continuing assignment message.Certainly, also can be to represent that this assignment message was semi-continuous assignment message at 0 o'clock with SP, be to represent that this assignment message was for continuing assignment message at 1 o'clock.This shows that only need pass through increases by 1 field in existing assignment message territory, and need not increase new type of message, just can represent the semi-continuous assignment message in the present embodiment.
Need to prove that this terminal can be the terminal that is not assigned the terminal of resource as yet or has been continued assignment or non-lasting assigned resources.Solved the sharing problem of resource between persistent user and persistent user, non-persistent user and non-persistent user, persistent user and the non-persistent user.That is to say, realized sharing resource between any user.
Then, enter step 120, this terminal obtains the scope of resource of network side for this terminal assignments according to the semi-continuous assignment message of receiving.At above-mentioned case, suppose that network side is a fundamental node 1,4,5,14 for the scope of resource of this terminal assignments.
Then, enter step 130, when terminal needs to use resource in the duration of the assignment of this semi-continuous assignment message, detect resource available in this scope, with detected available resources as the spendable resource of this terminal.Because it all is not that this terminal is used that network side is given the resource of terminal assignments, but the scope of resource that assignment shares for this terminal and other-end, therefore, this terminal need determine that interior which resource of the scope of resource of assignment is the operable resource of this terminal.At above-mentioned case, terminal knows that according to the semi-continuous assignment message received network side is that the scope of resource of this terminal assignments is a fundamental node 1,4,5,14, therefore, this terminal need determine may have the data of issuing this terminal on which fundamental node in fundamental node 1,4,5,14.This terminal can be by the operating position of these fundamental nodes in the available resource information of checking the network side transmission.If this resource is idle, then the corresponding fundamental node of expression is assigned to this terminal and uses.Such as fundamental node 4,14 is in idle condition, and then assignment is fundamental node 4,14 for the resource of this terminal use.Detected disabled resource is the resource that the other-end of sharing same scope of resource is using, and that is to say that fundamental node the 1, the 5th, network side are the resource of other-end assignment.Wherein, available resource information can send to this terminal by message or " keepAlive " message of network side definition.
Because keep Alive message is used to indicate persistent user at present, whether the terminal current state that has promptly been continued assigned resources is idle.Be that the fundamental node of only having distributed to persistent user just has the definition of idle condition in the fundamental node information of keep Alive message representative.Therefore, the keep Alive message definition of expansion is as follows: for assignment those fundamental nodes to persistent user, bit value is 1 expression " keep alive " in the message, does not promptly have transfer of data but the maintenance resource allocation; Bit value is that 0 expression has transfer of data; For those fundamental nodes that are not assigned to persistent user, bit value is 1 expression " free time " in the message, and promptly this resource can be used by Semi-persistent user; Bit value is that 0 this resource of expression is occupied, can't use (definition of bit 0,1 here can not influence processing conversely yet) for Semi-persistent user.
This shows that by the keep Alive message of expansion, this terminal only need check in the given range, bit is that 1 Resource Block gets final product in the keep Alive message.Like this, the actual idling-resource that is taken as of the appropriate section of keep Alive message is indicated and has been used.
Be not difficult to find, in the present embodiment, because it is a scope that the resource of terminal is given in the network side assignment, therefore network side can be given the same scope of resource of a plurality of terminal distribution, terminal detects the resource that this terminal can be used earlier when needs use resource, this resource can not used by the other-end of sharing same scope of resource when this terminal was not used resource, has realized sharing of resource, thereby when having solved terminal and not had transfer of data, the wasting of resources problem that assignment is not used for the resource of this terminal.
What deserves to be mentioned is,, when terminal A and terminal B do not have data to send or to receive, need notify A, B to enter keep alive (resource maintenances) state simultaneously if terminal A and terminal B share same scope of resource, at this moment can be in the following ways:
A) use common keep alive message mode notice terminal A, simultaneity factor setting terminal B must send or receive new bag in fixing original position.
B) use common keep alive message mode notice terminal A, on relevant Resource Block, send simultaneously and wipe sequence notice terminal B.
C) in the keep of clean culture alive message, increase a new state, or utilize the state of not using, define this state and be used for notifying simultaneously A, B to enter keep alive state.
In addition, need to prove that network side also can be given resource assignation by the terminal of semi-continuous assigned resources once more by other assignment message, this terminal determines that according to message content the resource of this assignment belongs to the still replacement of appending to original resource.If append, then this terminal need be the resource of this terminal assignments as network side with detected available resources and the resource of appending simultaneously; If replace, then which kind of assignment is this terminal should be as the criterion with according to data transfer under the predetermined rule decision.Different system can have different definition.And network side can pass through physical layer signaling or top signaling, can convert Semi-persistent user's (promptly by terminal of semi-continuous assigned resources) to other user type at any time, perhaps converts other types to Semi-persistent user.
Second execution mode of the present invention relates to resource allocation method, and the present embodiment and first execution mode are roughly the same, and its difference only is that in the first embodiment, semi-continuous assignment message is represented by existing assignment message is made amendment.And in the present embodiment, network side aims at the new type of message of semi-continuous assignment message definition, and the form of this semi-continuous assignment message can be identical with the form of lasting assignment message, also can be different with the form of lasting assignment message.
Such as the form of semi-continuous assignment message is identical with the form of lasting assignment message, is semi-continuous assignment message by this assignment message of " Blocktype " field identification.Resource with assignment is that the forward direction resource is an example, and the form of semi-continuous assignment message is as shown in table 4, and wherein whether the Persistent territory still is used to indicate this assignment and continues.
| Field (field) | Block type (block type) | MAC ID | Persis -tent | ChanID | PF | Duration | Ext. TX | Timing | Suppl. | Rank |
| #bits (bit number) | 3 | 9-11 | 1 | 6-8 | 4- 6 | 2 | 1 | 6 | 1 | 2 |
| Semi-FLA M | XXX | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 |
Table 4
Because all assignment messages all need increase the assignment of corresponding Semi-persistent mode, the bit number of BlockType this moment (block type) may be not enough, need be extended to 4 bits.
If the form of semi-continuous assignment message is different with the form of lasting assignment message, form that then can the semi-continuous assignment message of flexible design.Such as, the original position of the scope of resource by comprising assignment and the scope of resource that end position is represented assignment, still the resource with assignment is that the forward direction resource is an example, the form of semi-continuous assignment message is as shown in table 5.
| Field (field) | Block type (block type) | Start (original position) | End (end position) | Persistent | Suppl. | Duration |
| #bits (bit number) | 3 | 5 | 5 | 1 | 1 | 2-4 |
| Semi-FL AM | XXX | 1 | 1 | 1 | 1 | 1 |
Table 5
In the table 5, Start (original position) and End (end position) indicate assignment to give the start-stop position of the scope of resource of this terminal respectively.This terminal need detect the resource that corresponding available resources message determines really to distribute to this machine.The implication in Persistent territory and Duration territory is same as the prior art respectively.If the Persistent territory is 1, represent that then this assignment continues; If the Duration territory is 0 simultaneously, the expression perennity; If be nonzero value, then represent the cycle that continues.If the Persistent territory is 0, then represent non-lasting.Whether this resource assignation of Suppl domain representation replaces current assignment (only being that resource is replaced).
The design of another kind of semi-continuous assignment message is: comprise the particular location that the resource of terminal is given in assignment in semi-continuous assignment message.That is to say,, notify the scope of resource of this terminal for its assignment by in semi-continuous assignment message, indicating the assignment situation of each resource in the presumptive area.If be used to represent that the bit number of the assignment situation of each resource in this presumptive area is greater than the bit number that can carry in the semi-continuous assignment message, then increase an indication territory (Index), notify the scope of resource of this terminal by semi-continuous assignment message segmentation for its assignment with the assignment situation of each resource in this presumptive area.Resource with assignment is that the forward direction resource is an example, and the form of semi-continuous assignment message is as shown in table 6.
| Field (field) | Block type (block type) | Index | BaseNode (fundamental node) 1 | … | BaseNode N | Persistent | Suppl. | Duration |
| #bits (bit number) | 3 | 0-5 | 1 | … | 1 | 1 | 1 | 2-4 |
| Semi-FL AM | XXX | 1 | 1 | … | 1 | 1 | 1 | 1 |
Table 6
In table 6, BaseNode (fundamental node) i (i=1,2 ... N) be resource number.Be that 1 this resource assignation of expression is given this terminal; Be that 0 this resource of expression keeps.The N value determines that as the case may be its restrictive condition is that the total length of this semi-continuous assignment message can not surpass the maximum length of other assignment messages of control channel.
When semi-continuous assignment message length shorter, (be used to represent that the bit number of the assignment situation of each resource in this presumptive area is greater than the bit number that can carry in the semi-continuous assignment message) in the time of can't carrying all resource identifications, by increasing Index field in the table 6, indicate a follow-up N resource number and belong to which section.Index can be the starting point of follow-up resource number sequence.Also can be other predefined values, begin number from tail such as representing to start anew to count still with 1 bit.
This shows, by the different designs to semi-continuous assignment message, for the scope of resource of terminal assignments can be continuous, also can be discontinuous.
The 3rd execution mode of the present invention relates to resource allocation system, comprises network equipment and terminal equipment.In network equipment, comprise: generation module, be used to generate semi-continuous assignment message, this semi-continuous assignment message carries the information that whether continues into the scope of resource of this terminal assignments and this assignment; And sending module, be used for sending the semi-continuous assignment message that generates to this terminal.
Terminal equipment comprises: acquisition module is used to obtain the scope of resource of network side for this terminal assignments; And detection module, be used for this assignment the duration in when needing to use resource, in this scope of resource, detect available resource, with detected available resources as the spendable resource of this terminal.Wherein, detection module detects available resource according to the available resource information that this network side sends in the scope of resource of assignment, and this available resource information sends to this terminal by message or " keep Alive " message of network side definition.
Because it is a scope that the resource of terminal is given in the network side assignment, therefore network side can be given the same scope of resource of a plurality of terminal distribution, terminal detects the resource that this terminal can be used earlier when needs use resource, this resource can not used by the other-end of sharing same scope of resource when this terminal was not used resource, realized sharing of resource, thereby when having solved terminal and not had transfer of data, the wasting of resources problem that assignment is not used for the resource of this terminal.And, because semi-continuous assignment message carries the information whether this assignment continues, having solved same assignment more for a long time, network side is because of constantly sending the wasting of resources problem that identical assignment message causes.
The information that whether assignment continues in the semi-continuous assignment message has realized the resource-sharing in band time limit for this is assigned as disposable assignment or the permanent assignment or the assignment in lasting preset time cycle.The resource of semi-continuous assignment message institute assignment also can be used to transmit supplementary, that is to say, the purposes of the resource of semi-continuous assignment message institute assignment can be consistent with the purposes of the resource of bag Data Control assignment message (PDCAM) institute assignment.
The form of this semi-continuous assignment message can be continued to use the form that continues assignment message, such as, expansion continues the bit value in " persistent " territory of assignment message, it is semi-continuous assignment message that bit value by " persistent " territory identifies this assignment message, make that semi-continuous assignment message only need be by increasing by 1 bit in existing assignment message territory, and need not increase new type of message, just can represent; Perhaps, the field of expansion assignment message, this assignment message of field identification by expansion is semi-continuous assignment message, make that semi-continuous assignment message only need be by increasing by 1 field in existing assignment message territory, and need not increase new type of message, just can represent the semi-continuous assignment message in the present embodiment.
The form of this semi-continuous assignment message also can be identical with the form of lasting assignment message, is semi-continuous assignment message by this assignment message of " Block type " field identification.
Certainly, the form of this semi-continuous assignment message also can be different with the form of the assignment message of existing other types, and network side is semi-continuous assignment message by this assignment message of " Block type " field identification.The original position and the end position of the scope of resource of this semi-continuous assignment message by comprising assignment are notified the scope of resource of this terminal for its assignment; Perhaps, by in this semi-continuous assignment message, indicating the assignment situation of each resource in the presumptive area, notify the scope of resource of this terminal for its assignment, if the bit number that is used to represent the assignment situation of each resource in this presumptive area is greater than the bit number that can carry in the semi-continuous assignment message, then the assignment situation of each resource is notified the scope of resource of this terminal for its assignment by semi-continuous assignment message segmentation in this presumptive area.This shows, by the form of self-defined semi-continuous assignment message, for the scope of resource of terminal assignments can be continuous, also can be discontinuous.
In addition, need to prove, when network side is that different terminals is when distributing same scope of resource, one of in the following manner notify each terminal to enter the resource hold mode, such as terminal A and terminal B share same scope of resource, when terminal A and terminal B do not have data to send or to receive, need notify A, B to enter keep alive (resource maintenance) state simultaneously, this moment can be in the following ways:
A) use common keep alive message mode notice terminal A, simultaneity factor setting terminal B must send or receive new bag in fixing original position.
B) use common keep alive message mode notice terminal A, on relevant Resource Block, send simultaneously and wipe sequence notice terminal B.
C) in the keep of clean culture alive message, increase a new state, or utilize the state of not using, define this state and be used for notifying simultaneously A, B to enter keep alive state.
Terminal in the present embodiment can be the terminal that is not assigned the terminal of resource as yet or has been continued assignment or non-lasting assigned resources.Solved the sharing problem of resource between persistent user and persistent user, non-persistent user and non-persistent user, persistent user and the non-persistent user.That is to say, realized sharing resource between any user.
In sum, in the embodiments of the present invention, network side sends semi-continuous assignment message to terminal, and this semi-continuous assignment message carries the information that whether continues into the scope of resource of this terminal assignments and this assignment; Terminal obtains scope of resource into this terminal assignments according to the semi-continuous assignment message received, and this assignment the duration in when needing to use resource, detect resource available in this scope, with detected available resources as the spendable resource of this terminal.Because it is a scope that the resource of terminal is given in the network side assignment, therefore network side can be given the same scope of resource of a plurality of terminal distribution, terminal detects the resource that this terminal can be used earlier when needs use resource, this resource can not used by the other-end of sharing same scope of resource when this terminal was not used resource, realized sharing of resource, thereby when having solved terminal and not had transfer of data, the wasting of resources problem that assignment is not used for the resource of this terminal.And, because semi-continuous assignment message carries the information whether this assignment continues, having solved same assignment more for a long time, network side is because of constantly sending the wasting of resources problem that identical assignment message causes.
This is assigned as disposable assignment the information notice terminal whether network side can continue by assignment, and still permanent assignment, or the assignment in lasting preset time cycle have realized the resource-sharing in band time limit.
Terminal can be the terminal that is not assigned the terminal of resource as yet or has been continued assignment or non-lasting assigned resources.Solved the sharing problem of resource between persistent user and persistent user, non-persistent user and non-persistent user, persistent user and the non-persistent user.That is to say, realized sharing resource between any user.
The form of semi-continuous assignment message can be continued to use the form that continues assignment message, only need expand the bit value in " persistent " territory of assignment message or the field of assignment message, by the bit value in " persistent " territory or this assignment message of field identification of expansion is semi-continuous assignment message, making only needs to increase by 1 bit or a field in existing assignment message territory, and need not increase new type of message, can represent semi-continuous assignment message.Certainly, also can aim at the new type of message of semi-continuous assignment message definition, the form of this semi-continuous assignment message still form with lasting assignment message is identical, is semi-continuous assignment message by this assignment message of " Block type " field identification.
The form of semi-continuous assignment message also can be inequality with the form of lasting assignment message, and network side is semi-continuous assignment message by this assignment message of " Block type " field identification.Such as, the original position and the end position of the scope of resource of semi-continuous assignment message by comprising assignment, the notice terminal is the scope of resource of its assignment; Perhaps, by in semi-continuous assignment message, indicating the assignment situation of each resource in the presumptive area, the notice terminal is the scope of resource of its assignment, if the bit number that is used to represent the assignment situation of each resource in this presumptive area is greater than the bit number that can carry in the semi-continuous assignment message, then the assignment situation of each resource is the scope of resource of its assignment by semi-continuous assignment message segmentation notice terminal in this presumptive area.Making to the scope of resource of terminal assignments can be continuous, also can be discontinuous.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (18)
1. a resource allocation method is characterized in that, comprises following steps:
Network side sends semi-continuous assignment message to terminal, and this semi-continuous assignment message carries the information that whether continues into the scope of resource of this terminal assignments and this assignment;
Described terminal obtains the scope of resource of described network side for this terminal assignments according to described semi-continuous assignment message, and this assignment the duration in when needing to use resource, detection available resource in this scope, with detected available resources as the spendable resource of this terminal, the resource that detected unavailable resource is being used as the other-end of sharing a scope of resource.
2. resource allocation method according to claim 1 is characterized in that, the information whether described assignment continues is assigned as disposable assignment or the permanent assignment or the assignment in lasting preset time cycle for this.
3. resource allocation method according to claim 1 is characterized in that, described terminal detects available resource according to the available resource information that described network side sends in the scope of resource of described assignment;
Described available resource information sends to described terminal by message or " keep Alive " message of described network side definition.
4. according to each described resource allocation method in the claim 1 to 3, it is characterized in that, the bit value in " persistent " territory of the lasting assignment message of described network side expansion or the field of lasting assignment message are semi-continuous assignment message by the bit value in described " persistent " territory or the field identification assignment message of expansion; Perhaps,
The form of described semi-continuous assignment message is identical with the form of lasting assignment message, and described network side is semi-continuous assignment message by this assignment message of " Block type " field identification.
5. according to each described resource allocation method in the claim 1 to 3, it is characterized in that, the form of described semi-continuous assignment message is different with the form of the assignment message of other types, and described network side is semi-continuous assignment message by this assignment message of " Block type " field identification.
6. resource allocation method according to claim 5 is characterized in that, the original position and the end position of the scope of resource of described semi-continuous assignment message by comprising described assignment are notified the scope of resource of described terminal for its assignment; Perhaps,
By in described semi-continuous assignment message, indicating the assignment situation of each resource in the presumptive area, notify the scope of resource of described terminal for its assignment, if the bit number that is used to represent the assignment situation of each resource in this presumptive area is greater than the bit number that can carry in the semi-continuous assignment message, then the assignment situation of each resource is notified the scope of resource of described terminal for its assignment by semi-continuous assignment message segmentation in this presumptive area.
7. according to each described resource allocation method in the claim 1 to 3, it is characterized in that described network side is a different terminals when distributing same scope of resource, one of in the following manner notify each terminal to enter the resource hold mode:
Use resource to keep message mode to notify one of them terminal, set the other-end of sharing same scope of resource simultaneously and send or receive new data packets in fixing original position;
Use resource to keep message mode to notify one of them terminal, on relevant Resource Block, send simultaneously and wipe the other-end that the sequence notice is shared same scope of resource;
Resource in clean culture keeps by defining a state, notifying described each terminal to enter the resource hold mode in the message.
8. according to each described resource allocation method in the claim 1 to 3, it is characterized in that the resource of described semi-continuous assignment message institute assignment can be used to transmit supplementary.
9. according to each described resource allocation method in the claim 1 to 3, it is characterized in that described terminal is the terminal that is not assigned the terminal of resource as yet or has been continued assignment or non-lasting assigned resources.
10. according to each described resource allocation method in the claim 1 to 3, it is characterized in that described resource is a fundamental node.
11. a network equipment is characterized in that, comprises:
Generation module, be used to generate semi-continuous assignment message, this semi-continuous assignment message carries the information that whether continues into the scope of resource of terminal assignments and this assignment, the scope of resource of described assignment for described terminal this assignment the duration in detect resource available in this scope when needing to use resource, with detected available resources as the spendable resource of this terminal, the resource that detected unavailable resource is being used as the other-end of sharing a scope of resource; With
Sending module is used for sending the semi-continuous assignment message that generates to described terminal.
12. network equipment according to claim 11 is characterized in that, the information whether described assignment continues is assigned as disposable assignment or the permanent assignment or the assignment in lasting preset time cycle for this.
13. according to claim 11 or 12 described network equipments, it is characterized in that, the bit value in " persistent " territory of the lasting assignment message of described network side expansion or the field of lasting assignment message are semi-continuous assignment message by the bit value in described " persistent " territory or the field identification assignment message of expansion; Perhaps,
The form of described semi-continuous assignment message is identical with the form of lasting assignment message, and described network side is semi-continuous assignment message by this assignment message of " Block type " field identification.
14. according to claim 11 or 12 described network equipments, it is characterized in that, the form of described semi-continuous assignment message is different with the form of the assignment message of other types, and described network side is semi-continuous assignment message by this assignment message of " Block type " field identification.
15. network equipment according to claim 14 is characterized in that, the original position and the end position of the scope of resource of described semi-continuous assignment message by comprising described assignment are notified the scope of resource of described terminal for its assignment; Perhaps,
By in described semi-continuous assignment message, indicating the assignment situation of each resource in the presumptive area, notify the scope of resource of described terminal for its assignment, if the bit number that is used to represent the assignment situation of each resource in this presumptive area is greater than the bit number that can carry in the semi-continuous assignment message, then the assignment situation of each resource is notified the scope of resource of described terminal for its assignment by semi-continuous assignment message segmentation in this presumptive area.
16. a terminal equipment is characterized in that, comprises:
Acquisition module is used to obtain the scope of resource of network side for this terminal assignments; With
Detection module, be used for described assignment the duration in when needing to use resource, in described scope of resource, detect available resource, with detected available resources as the spendable resource of this terminal, the resource that detected unavailable resource is being used as the other-end of sharing a scope of resource.
17. terminal equipment according to claim 16, it is characterized in that, described detection module detects available resource according to the available resource information that described network side sends in the scope of resource of described assignment, this available resource information sends to this terminal by message or " keep Alive " message of described network side definition.
18. a resource allocation system is characterized in that, comprises each described network equipment in the claim 11 to 15, and/or the terminal equipment described in claim 16 or 17.
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| CN101489278B (en) * | 2008-01-15 | 2011-05-18 | 华为技术有限公司 | Data cell indication transmission method, apparatus and system in expansion frame or continuous assignment |
| CN101646239B (en) * | 2008-08-06 | 2012-05-09 | 中兴通讯股份有限公司 | Semi-persistent scheduling method |
| CN101677463B (en) * | 2008-09-18 | 2012-07-25 | 电信科学技术研究院 | Method and apparatus for realizing semi-persistent physical resource distribution |
| US8509795B2 (en) * | 2008-09-22 | 2013-08-13 | Htc Corporation | Method of performing data transmission corresponding to semi-persistent resources in wireless communications system and related device |
| CN101645764B (en) * | 2008-09-28 | 2012-11-07 | 中国移动通信集团公司 | User upstream data-scheduling method and user equipment (UE) |
| US8706129B2 (en) * | 2008-10-30 | 2014-04-22 | Htc Corporation | Method of improving semi-persistent scheduling resources reconfiguration in a wireless communication system and related communication device |
| CN101742652B (en) * | 2008-11-07 | 2014-08-13 | 中兴通讯股份有限公司 | Method and device for resource configuration |
| CN101754268B (en) * | 2008-12-04 | 2012-08-15 | 中国移动通信集团公司 | User uplink data scheduling method and user equipment |
| WO2010077938A1 (en) * | 2008-12-17 | 2010-07-08 | Research In Motion Limited | Semi-persistent resource release by wireless communication device |
| CN102056223A (en) * | 2009-10-28 | 2011-05-11 | 鼎桥通信技术有限公司 | Method for distributing semi-continuous scheduling resources |
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