CN101132596A - Assignment method for long occupied resource, base station, subscriber terminal and wireless system - Google Patents
Assignment method for long occupied resource, base station, subscriber terminal and wireless system Download PDFInfo
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- CN101132596A CN101132596A CNA2006101099471A CN200610109947A CN101132596A CN 101132596 A CN101132596 A CN 101132596A CN A2006101099471 A CNA2006101099471 A CN A2006101099471A CN 200610109947 A CN200610109947 A CN 200610109947A CN 101132596 A CN101132596 A CN 101132596A
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Abstract
This invention discloses an assigning method for persistent occupied resources including: a base station sends a message assigning a first kind of persistent occupied resource to a UE carrying with ID of a first kind of channels and takes a supplement field in the message valid, in which, part of radio resource instructed by the ID of the first kind channels belongs to the currently occupied persistent resource of the UE, after receiving the assigning message, the UE releases the resource occupied currently same to the that in the instructed first channel ID and increases other resources not belonging to the persistent one of the UE as its own persistent resource. This invention also discloses related base stations, UE and a radio system.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to and adopt OFDM (OrthogonalFrequency Division Multiplexing, OFDM) assigning method of a kind of long occupied resource (persistent resource) in the OFDM mobile communication system of technology, and relevant base station, user terminal and wireless system.
Background technology
The OFDM technology is the evolution of eating dishes without rice or wine (Air Interface Evolution, AIE) a kind of physical-layer techniques that adopts in the Phase2 mobile broadband wireless access (MBWA) of 3GPP2.The OFDM technology is divided into the narrow-band sub-carriers of some quadratures with the physical layer resources in the wireless communication system in frequency domain, high-speed data-flow is parallel transmission on each subcarrier by string and conversion.Because the narrow-band characteristic of subcarrier can overcome multi-path influence, has eliminated intersymbol interference greatly; Because the orthogonal property of subcarrier, promptly the frequency spectrum between subcarrier is overlapped, thereby has improved the utilance of frequency spectrum.Therefore, in wireless communication system, use the OFDM technology becoming the development trend of mobile communication system, two big mobile communication standards organize 3GPP and 3GPP2 when proposing the developing direction of follow-on mobile communication in the world, all the OFDM technology as essential technology, it can effectively eliminate the intersymbol interference (ISI) of high speed business, reduces the complexity of broadband high-speed rate mobile communication system.
Physical layer resources in the ofdm system can be regarded the two dimensional surface that is formed by " time domain " and " frequency domain " as, the available frequencies resource is divided into N fundamental frequency transmission unit, and fundamental frequency transmission unit is a subcarrier or the frequency subband that consists of a plurality of sub-carriers; Simultaneously, the physical layer resources in the transmission time periods (OFDM frame) by M basic time transmission unit constitute, each basic transmission time unit comprises one or more OFDM symbol.In the mobile communication system that adopts frequency division OFDM, at one time in, a plurality of users take same OFDM physical frame jointly, adopts the different different users of frequency resource differentiation, so the scheduling of frequency resource are important techniques.
A kind of mode that adopts the channel tree structure managing radio resources and distribute to the user has been proposed in the prior art, channel trees is that 5M bandwidth in 802.20 is divided into 512 subcarriers as shown in Figure 1, each fundamental node (BaseNode wherein, advise among the AIE can assignment the most basic Resource Block) comprise 16 subcarriers, so the 5M bandwidth is divided into 32 BaseNode altogether.Each node on the channel trees is assigned with a channel logo (ID), and in Fig. 1, channel id increases progressively numbering successively since 0 by from left to right order from top to bottom, and wherein the channel id of basecoat from 31 to 62 pairing nodes are BaseNode.
Structure distributing radio resource according to channel trees is given user terminal, can reduce signaling consumption.Under the resource management scheme of channel trees, if certain channel id is assigned to certain user terminal, then the corresponding node with this channel id is a father node, the channel id of its each corresponding child node of lower floor will be shared by this user terminal, that is to say, in case certain channel id is assigned to certain user terminal and uses, the pairing channel id of each child node of its lower floor just can not participate in scheduling once more; And the pairing node of this allotted channel ID all can not participate in scheduling again along the make progress channel id of each layer respective nodes (up to the root node of channel trees) of trunk.
For example: suppose channel id 31 (corresponding node 31) is distributed to user terminal A, the user terminal A resource that busy channel ID31 is indicated then, promptly user terminal A will take the subcarrier that fundamental node 31 is comprised; Therefore, channel id 15,7,3,1,0 all can not participate in scheduling, because the indicated a part of resource (being the subcarrier that fundamental node 31 is comprised) of these channel ids has been assigned to user terminal A, give other user terminal if dispatch those channel ids again, certainly will cause this part resource to be repeated assignment, this is that institute of system is unallowable.
And for example: suppose channel id 3 (corresponding node 3) is distributed to user terminal B, the user terminal B resource that busy channel ID3 is indicated then, promptly user terminal B will take fundamental node 31,32,33,34,35,36,37,38 subcarriers that comprised; All can not participate in once more dispatching with the channel id 1,0 that is positioned at the respective nodes on these node 3 upper stratas with the channel id 7,8,15,16,17,18,31,32,33,34,35,36,37,38 of this node 3 as each child node of lower floor of father node.
Because for an OFDM physical frame, needing to give a plurality of different users at one time uses, this just need distribute different frequency resources according to the size of subscriber traffic, adopt the way to manage of channel trees, once give channel id of user's assignment, this user terminal, the expense of having saved resource assignation are given in the resource allocation that this channel id is indicated.
Following table 1 is shared signaling channel (F-SSCH) existing resources assignment message piece field structure for forward direction:
Table 1
| Field | Block type | MACID | Persis -tent | ChanID | PF | Durati on | Ext.TX | Timin g | Suppl | Rank |
| # |
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 | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined |
| MCW FLAM2 | 101 | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined |
| SCW FLAM | 110 | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined | Undetermined |
In the table 1: " MACID " field is corresponding to user's MACID;
" ChanID " field is exactly " channel id " (unified in the following description with " channel id " statement) that is assigned, and the length of this field is relevant with the size of channel trees;
Forward direction resource assignation piece (FLAM) and reverse resource assignation piece (RLAM) belong to persistent resource assignation piece, i.e. the resource meeting continuous and effective of assignment is after receiving the assignment instruction or losing packet.
According to table 1, when additional distribution (supplement) field is set to effectively (the supplement field value is " 1 "), if in the assignment message with the indicated resource of channel id when all not belonging to the current persistent resource of user terminal, then this assignment message is expressed as user terminal increases the indicated respective resources of this channel id;
If in the assignation information with the indicated resource of channel id all belong to the current persistent resource of user terminal, then this assignment message represents that indicating user terminal discharges the indicated respective resources of this channel id;
When supplement position invalid (the supplement field value is " 0 ") is set, this assignment message indication user with this assignment message with the indicated resource of channel id replace its current persistent resource, be that indicating user terminal discharges self current persistent resource that takies, and with the indicated resource of channel id as self new current persistent resource.
In the table 1, resource assignation piece MCW FLAM1, MCW FLAM2, SCW FLAM also can have the supplement field for supporting the persistent resource assignation piece of multi-antenna technology in these persistent resource assignation pieces.
As seen from the above description, can come the persistent resource of distributing to user terminal is increased and decreased by carrying channel id in the assignment message.But in the prior art, can only increase and decrease, when promptly in the prior art user terminal being carried out resource assignation, can only distribute two class channel ids the indicated resource of whole channel id:
Wherein the indicated whole resources of a class channel id do not belong to some user terminals; The indicated whole resources of another kind of channel id all belong to a certain user terminal.
If a part has been taken by user terminal or another part when not belonging to this user terminal in the indicated resource of certain channel id, can not distribute this channel id in the prior art.This makes the base station dumb when carrying out the persistent resource assignation, is unfavorable for scheduling of resource.
Summary of the invention
The invention provides a kind of persistent resource allocation method and corresponding base station, user terminal and wireless system, in order to solve the dumb problem of persistent scheduling of resource in the prior art.
The inventive method adopts the structure management Radio Resource of channel trees and distributes to user terminal, comprising:
The base station sends first kind of long occupied persistent resource allocating message to user terminal, and the additional distribution supplement field in the assignment message is changed to effectively, carries the first kind channel id of distributing to described user terminal; The indicated part Radio Resource of described first kind channel id belongs to the current persistent resource that takies of described user terminal;
After described user terminal receives described first kind of persistent resource allocating message, discharge identical resource in the indicated resource of self current first kind channel id that take and described, and increase the persistent resource of indicated all the other resources that do not belong to the current persistent resource of described user terminal of described first kind channel id for self.
According to said method of the present invention, also comprise:
The base station sends second kind of persistent resource allocating message to user terminal, and the supplement field in the assignment message is changed to effectively, carries the second class channel id of distributing to described user terminal; The indicated whole Radio Resources of the described second class channel id do not belong to the current persistent resource of described user terminal;
After described user terminal receives described second kind of persistent resource allocating message, increase the persistent resource of the indicated resource of the described second class channel id for self.
According to said method of the present invention, also comprise:
The base station sends the third persistent resource allocating message to user terminal, and the supplement field in the assignment message is changed to effectively, carries the 3rd class channel id of distributing to described user terminal; The indicated Radio Resource of described the 3rd class channel id all belongs to the current persistent resource that takies of described user terminal;
After described user terminal receives described the third persistent resource allocating message, discharge the indicated resource of described the 3rd class channel id.
According to said method of the present invention, also comprise:
The base station sends the 4th kind of persistent resource allocating message to user terminal, and it is invalid that the supplement field in the assignment message is changed to, and carries the 4th class channel id of distributing to described user terminal; The indicated Radio Resource of described the 4th class channel id is the user terminal available radio resources;
After described user terminal receives described the 4th kind of persistent resource allocating message, discharge self current persistent resource that takies, and with the indicated Radio Resource of described the 4th class channel id as self new current persistent resource.
Described supplement field in the assignment message is changed to effectively, concrete grammar is: the supplement field value is set is " 1 " or " 0 ";
Describedly supplement field in the assignment message is changed to invalid, concrete grammar is: be provided with the supplement field value for the negate that is set to when effective.
Described first kind of persistent resource allocating message, second kind of persistent resource allocating message, the third persistent resource allocating message and the 4th kind of persistent resource allocating message are respectively applied for the forward direction resource assignation that carries out user terminal.
Described first kind of persistent resource allocating message, second kind of persistent resource allocating message, the third persistent resource allocating message and the 4th kind of persistent resource allocating message are respectively applied for the reverse resource assignation that carries out user terminal.
Described first kind of persistent resource allocating message, second kind of persistent resource allocating message, the third persistent resource allocating message and the 4th kind of persistent resource allocating message are applied to the persistent resource assignation of single transmit antenna.
Described first kind of persistent resource allocating message, second kind of persistent resource allocating message, the third persistent resource allocating message and the 4th kind of persistent resource allocating message are applied to the persistent resource assignation of multiple transmit antennas.
The invention provides a kind of base station, comprise the first transmission/receiver module mutual, also comprise with user terminal:
First acquisition module obtains first kind channel id, and the indicated part Radio Resource of described first kind channel id belongs to a current persistent resource that takies of user terminal;
First generation module generates first kind of persistent resource allocating message, and the additional distribution supplement field in the assignment message is changed to effectively, carries the described first kind channel id of distributing to described user terminal; And described first kind of persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module.
Also comprise:
Second acquisition module obtains the second class channel id, and the indicated whole Radio Resources of the described second class channel id do not belong to the current persistent resource that takies of a user terminal;
Second generation module generates second kind of persistent resource allocating message, and the supplement field in the assignment message is changed to effectively, carries the described second class channel id of distributing to described user terminal; And described second kind of persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module; Perhaps
Also comprise:
The 3rd acquisition module obtains the 3rd class channel id, and the indicated Radio Resource of described the 3rd class channel id all belongs to a current persistent resource that takies of user terminal;
The 3rd generates module, generates the third persistent resource allocating message, and the supplement field in the assignment message is changed to effectively, carries described the 3rd class channel id of distributing to described user terminal; And described the third persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module; Perhaps
Also comprise:
The 4th acquisition module obtains the 4th class channel id, and the indicated Radio Resource of described the 4th class channel id is the user terminal available radio resources;
The 4th generation module generates the 4th kind of persistent resource allocating message, and it is invalid that the supplement field in the assignment message is changed to, and carries described the 4th class channel id of distributing to user terminal; And described the 4th kind of persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module.
The invention provides a kind of user terminal, comprise the second transmission/receiver module mutual, also comprise with the base station:
First Executive Module, receive described first kind of persistent resource allocating message that the described second transmission/receiver module is transmitted by the base station transmission, discharge identical resource in the indicated resource of the described first kind channel id that carries in self current first kind of persistent resource allocating message that take and described, and increase the persistent resource of all the other resources that do not belong to the current persistent resource of described user terminal of described first kind channel id indication for self.
Also comprise:
Second Executive Module, receive the described second kind of persistent resource allocating message by the base station transmission that the described second transmission/receiver module is transmitted, increasing the indicated resource of the second class channel id of carrying in described second kind of persistent resource allocating message is the persistent resource of self; Perhaps
Also comprise:
The 3rd Executive Module receives described the third persistent resource allocating message by the base station transmission that the described second transmission/receiver module is transmitted, and discharges the indicated resource of the 3rd class channel id of carrying in described the third persistent resource allocating message; Perhaps
Also comprise:
The 4th Executive Module, receive described the 4th kind of persistent resource allocating message that the described second transmission/receiver module is transmitted by the base station transmission, discharge self current persistent resource that takies, and with the new current persistent resource of the indicated Radio Resource of the 4th class channel id that carries in described the 4th kind of persistent resource allocating message as self.
The present invention also provides a kind of wireless system, comprises above-mentioned base station provided by the invention and user terminal.
Beneficial effect of the present invention is as follows:
(1) the present invention (is a first kind channel id by increasing by a class channel id, the resource of such channel id indication has following feature: a part of resource belongs to the current persistent resource of user terminal, all the other resources do not belong to the current persistent resource of this user terminal) in conjunction with the resource allocation method of AIE suggestion, realization is to the increase and decrease of the persistent resource of user terminal, increased the flexibility of assigned user terminal persistent change in resources, and do not increase the wireless system expense, the complexity of not increase system realization yet.
(2) adopt the present invention, after user terminal receives first kind of persistent resource allocating message (carrying first kind channel id), discharge identical resource in the indicated resource of self current that take and first kind channel id, and increase the persistent resource of indicated all the other resources that do not belong to self current persistent resource of described first kind channel id as self, like this, can realize resettlement and regular to the logical resource of distributing to user terminal, make that the logical resource of distributing to a user terminal is continuous, also can help resource allocation next time simultaneously so that idle logical resource is continuous relatively.
(3) in some special persistent resource increase and decrease process, can increase the increase and decrease granularity of the persistent resource of user terminal, thereby improve persistent scheduling of resource efficient.As: the BaseNode number of certain channel id indication is 8, and it is the current persistent resource of user terminal that a BaseNode is wherein arranged, and all the other 7 BaseNode do not belong to the current persistent resource of this user terminal; Adopt the present invention, the supplement field is set to effectively in assignment message, and when giving this user terminal with this channel id assignment, by an assignment message, the persistent resource of this user terminal increases by 6 BaseNode.And according to the assigning method of prior art, because it is the current persistent resource of user terminal that a BaseNode is arranged, this channel id obviously can not be called again, wanting increases these resources for this user terminal, can only distribute to this user terminal by the channel id that granularity is less, this issues more assignment message with needs, the signaling consumption that the system that takies is more; Therefore, adopt the present invention can improve persistent scheduling of resource efficient.
Description of drawings
Fig. 1 is a channel tree structure schematic diagram in the prior art;
The shared BaseNode of user terminal changed one of schematic diagram when Fig. 2 carried out the persistent scheduling of resource for adopting the inventive method;
The shared BaseNode of user terminal changed two of schematic diagram when Fig. 3 carried out the persistent scheduling of resource for adopting the inventive method;
Fig. 4 is an architecture of base station schematic diagram of the present invention;
Fig. 5 is a user terminal structural representation of the present invention;
Fig. 6 is a wireless system arrangements schematic diagram of the present invention.
Embodiment
The present invention adopts the structure management Radio Resource of channel trees in the prior art and distributes to user terminal, and concrete persistent resource allocation methods is described below:
The present invention is divided into following four classes with channel id:
The indicated part Radio Resource of first kind channel id belongs to a current persistent resource that takies of user terminal;
The indicated whole Radio Resources of the second class channel id do not belong to the current persistent resource of a user terminal;
The indicated Radio Resource of the 3rd class channel id all belongs to a current persistent resource that takies of user terminal;
The indicated Radio Resource of the 4th class channel id can be usable radio resources;
Wherein, the type that first kind channel id increases newly for the present invention, all the other second class channel ids, the 3rd class channel id and the 4th class channel id are prior art, and just for convenience of description, the present invention has carried out corresponding classification with it.
Dissimilar according to channel id the invention provides following four kinds of persistent resource allocating message:
First kind of persistent resource allocating message is changed to the supplement field in the assignment message effectively, carries the first kind channel id of distributing to described user terminal;
Second kind of persistent resource allocating message is changed to the supplement field in the assignment message effectively, carries the second class channel id of distributing to described user terminal;
The third persistent resource allocating message is changed to the supplement field in the assignment message effectively, carries the 3rd class channel id of distributing to described user terminal;
The 4th kind of persistent resource allocating message, it is invalid that the supplement field in the assignment message is changed to, and carries the 4th class channel id of distributing to described user terminal;
Wherein, first kind of persistent resource allocating message that the persistent resource allocating message increases newly for the present invention; All the other second kind of persistent resource allocating message, the third persistent resource allocating message and the 4th kind of persistent resource allocating message are prior art, and just for convenience of description, the present invention has carried out corresponding division with it.
According to as can be known to the description of prior art:
After user terminal receives described second kind of persistent resource allocating message, increase the persistent resource of the indicated resource of the second class channel id for self;
After user terminal receives described the third persistent resource allocating message, discharge the indicated resource of the 3rd class channel id;
After user terminal receives described the 4th kind of persistent resource allocating message, discharge self current persistent resource that takies, and with the indicated Radio Resource of the 4th class channel id as self new current persistent resource.
Describe first kind of persistent resource allocating message that the present invention increases newly below in detail.
When the base station after user terminal sends first kind of persistent resource allocating message, user terminal is carried out following steps:
1, discharges identical resource in the indicated resource of self current that take and first kind channel id;
2, increase the persistent resource of indicated all the other resources that do not belong to self current persistent resource of first kind channel id for self.
After Fig. 2 had described first kind of persistent resource allocating message of base station transmission, the shared BaseNode of user terminal changed one of schematic diagram.As shown in Figure 2, occupied BaseNode 35,36 in the current persistent resource of user terminal, 37,38,42 indicated resources; The supplement position is for effective in the persistent resource allocating message that user terminal receives, channel id is after " 9 ", user terminal increases BaseNode 39 in its current persistent resource, 40,41 indicated respective resources, and discharge the indicated respective resources of BaseNode 42.
As can be seen from Figure 2, after the base station sends this first kind of persistent resource allocating message, make that the logical resource of distributing to this user terminal is continuous, also can help resource allocation next time simultaneously so that idle logical resource is continuous relatively.
After Fig. 3 had described first kind of persistent resource allocating message of base station transmission, the shared BaseNode of user terminal changed two of schematic diagram.As shown in Figure 3, occupied BaseNode 35,36 in the current persistent resource of user terminal, 37,38,42 indicated resources; The supplement position is for effective in the persistent resource allocating message that user terminal receives, channel id is after " 4 ", user terminal increases BaseNode 39 in its current persistent resource, 40,41,43,44,45,46 indicated respective resources, and discharge the indicated respective resources of BaseNode 42.
As can be seen from Figure 3, by an assignment message, the persistent resource of this user terminal increases by 6 BaseNode (increased 7 BaseNode newly, discharged original 1 BaseNode, 6 BaseNode of actual increase).And according to the assigning method of prior art, owing to there is a BaseNode 42 to be the current persistent resource of user terminal, this channel id 4 obviously can not be called again, wants that (BaseNode 39 for this user terminal increases those resources, 40,41,43,44,45,46), can only distribute to this user terminal by the channel id that granularity is less, specifically need carry out following assignment:
The base station sends second kind of persistent resource allocating message to user terminal, and channel id 10 is distributed to this user terminal, and user terminal increases the indicated respective resources of BaseNode 43,44,45,46 in its current persistent resource;
The base station sends second kind of persistent resource allocating message once more to user terminal, and channel id 19 is distributed to this user terminal, and user terminal increases the indicated respective resources of BaseNode 39,40 in its current persistent resource;
The base station also sends second kind of persistent resource allocating message to user terminal, and channel id 41 is distributed to this user terminal, and user terminal increases the indicated respective resources of BaseNode 41 in its current persistent resource.
This shows, adopt second kind of persistent resource allocating message of the prior art need take the more signaling consumption of system; Therefore, in some special persistent resource increase and decrease process, adopt first kind of persistent resource allocating message provided by the invention can increase the increase and decrease granularity of the persistent resource of user terminal, thereby improve persistent scheduling of resource efficient.
Above-mentioned first kind of persistent resource allocating message, second kind of persistent resource allocating message, the third persistent resource allocating message and the 4th kind of persistent resource allocating message can be used for the forward direction persistent resource assignation of single transmit antenna and multiple transmit antennas and reverse resource assignation respectively.
According to said method of the present invention, the invention provides a kind of base station 10, its structural representation comprises as shown in Figure 4:
First transmission/the receiver module 101 is used for carrying out Signalling exchange with user terminal;
First generation module 103 generates first kind of persistent resource allocating message, and the supplement field in the assignment message is changed to effectively, carries the first kind channel id of distributing to described user terminal; And first kind of persistent resource allocating message that will generate sends to user terminal by the first transmission/receiver module 101;
Also comprise:
Also comprise:
The 3rd acquisition module 106 obtains the 3rd class channel id, and the indicated Radio Resource of described the 3rd class channel id all belongs to a current persistent resource that takies of user terminal;
The 3rd generates module 107, generates the third persistent resource allocating message, and the supplement field in the assignment message is changed to effectively, carries the 3rd class channel id of distributing to described user terminal; And described the third persistent resource allocating message that will generate sends to user terminal by the first transmission/receiver module 101;
Can also comprise:
The 4th acquisition module 108 obtains the 4th class channel id, and the indicated Radio Resource of described the 4th class channel id is the user terminal available radio resources;
The 4th generation module 109 generates the 4th kind of persistent resource allocating message, and it is invalid that the supplement field in the assignment message is changed to, and carries described the 4th class channel id of distributing to user terminal; And described the 4th kind of persistent resource allocating message that will generate sends to user terminal by the first transmission/receiver module 101.
The present invention provides a kind of user terminal 20 in addition, and its structural representation comprises as shown in Figure 5:
Second transmission/the receiver module 201 is used for carrying out Signalling exchange with the base station;
Also comprise:
Also comprise:
The 3rd Executive Module 204 receives the third persistent resource allocating message by the base station transmission that the second transmission/receiver module 201 is transmitted, and discharges the indicated resource of the 3rd class channel id of carrying in described the third persistent resource allocating message;
Also comprise:
The 4th Executive Module 205, receive described the 4th kind of persistent resource allocating message that the second transmission/receiver module 201 is transmitted by the base station transmission, discharge self current persistent resource that takies, and with the new current persistent resource of the indicated Radio Resource of the 4th class channel id that carries in the 4th kind of persistent resource allocating message as self.
The present invention also provides a kind of wireless system, and its structural representation comprises above-mentioned base station provided by the invention and several wireless terminals as shown in Figure 6.
In sum, the present invention is by increasing first kind channel id and first kind of persistent resource allocating message, resource allocation method in conjunction with the AIE suggestion, realization is to the increase and decrease of the persistent resource of user terminal, increased the flexibility of assigned user terminal persistent change in resources, and do not increase the wireless system expense, the complexity of not increase system realization yet.
Adopt the present invention, after user terminal receives first kind of persistent resource allocating message (carrying first kind channel id), discharge identical resource in the indicated resource of self current that take and first kind channel id, and increase the persistent resource of indicated all the other resources that do not belong to self current persistent resource of described first kind channel id as self, like this, can realize resettlement and regular to the logical resource of distributing to user terminal, make that the logical resource of distributing to a user terminal is continuous, also can help resource allocation next time simultaneously so that idle logical resource is continuous relatively.
The present invention can increase the increase and decrease granularity of the persistent resource of user terminal in some special persistent resource increase and decrease process, thereby improves persistent scheduling of resource efficient.
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 these modifications of the present invention and distortion belong 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 is out of shape interior.
Claims (15)
1. an assignment method for long occupied resource adopts the structure management Radio Resource of channel trees and distributes to user terminal, it is characterized in that, comprising:
The base station sends first kind of long occupied persistent resource allocating message to user terminal, and the additional distribution supplement field in the assignment message is changed to effectively, carries the first kind channel id of distributing to described user terminal; The indicated part Radio Resource of described first kind channel id belongs to the current persistent resource that takies of described user terminal;
After described user terminal receives described first kind of persistent resource allocating message, discharge identical resource in the indicated resource of self current first kind channel id that take and described, and increase the persistent resource of indicated all the other resources that do not belong to the current persistent resource of described user terminal of described first kind channel id for self.
2. the method for claim 1 is characterized in that, also comprises:
The base station sends second kind of persistent resource allocating message to user terminal, and the supplement field in the assignment message is changed to effectively, carries the second class channel id of distributing to described user terminal; The indicated whole Radio Resources of the described second class channel id do not belong to the current persistent resource of described user terminal;
After described user terminal receives described second kind of persistent resource allocating message, increase the persistent resource of the indicated resource of the described second class channel id for self.
3. the method for claim 1 is characterized in that, also comprises:
The base station sends the third persistent resource allocating message to user terminal, and the supplement field in the assignment message is changed to effectively, carries the 3rd class channel id of distributing to described user terminal; The indicated Radio Resource of described the 3rd class channel id all belongs to the current persistent resource that takies of described user terminal;
After described user terminal receives described the third persistent resource allocating message, discharge the indicated resource of described the 3rd class channel id.
4. the method for claim 1 is characterized in that, also comprises:
The base station sends the 4th kind of persistent resource allocating message to user terminal, and it is invalid that the supplement field in the assignment message is changed to, and carries the 4th class channel id of distributing to described user terminal; The indicated Radio Resource of described the 4th class channel id is the user terminal available radio resources;
After described user terminal receives described the 4th kind of persistent resource allocating message, discharge self current persistent resource that takies, and with the indicated Radio Resource of described the 4th class channel id as self new current persistent resource.
5. as the described method of any claim of claim 1-4, it is characterized in that described supplement field in the assignment message is changed to effectively, concrete grammar is: the supplement field value is set is " 1 " or " 0 ";
Describedly supplement field in the assignment message is changed to invalid, concrete grammar is: be provided with the supplement field value for the negate that is set to when effective.
6. as the described method of any claim of claim 1-4, it is characterized in that described first kind of persistent resource allocating message, second kind of persistent resource allocating message, the third persistent resource allocating message and the 4th kind of persistent resource allocating message are respectively applied for the forward direction resource assignation that carries out user terminal.
7. as the described method of any claim of claim 1-4, it is characterized in that described first kind of persistent resource allocating message, second kind of persistent resource allocating message, the third persistent resource allocating message and the 4th kind of persistent resource allocating message are respectively applied for the reverse resource assignation that carries out user terminal.
8. as the described method of any claim of claim 1-4, it is characterized in that described first kind of persistent resource allocating message, second kind of persistent resource allocating message, the third persistent resource allocating message and the 4th kind of persistent resource allocating message are applied to the persistent resource assignation of single transmit antenna.
9. as the described method of any claim of claim 1-4, it is characterized in that described first kind of persistent resource allocating message, second kind of persistent resource allocating message, the third persistent resource allocating message and the 4th kind of persistent resource allocating message are applied to the persistent resource assignation of multiple transmit antennas.
10. a base station comprises the first transmission/receiver module mutual with user terminal, it is characterized in that, also comprises:
First acquisition module obtains first kind channel id, and the indicated part Radio Resource of described first kind channel id belongs to a current persistent resource that takies of user terminal;
First generation module generates first kind of persistent resource allocating message, and the additional distribution supplement field in the assignment message is changed to effectively, carries the described first kind channel id of distributing to described user terminal; And described first kind of persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module.
11. base station as claimed in claim 10 is characterized in that, also comprises:
Second acquisition module obtains the second class channel id, and the indicated whole Radio Resources of the described second class channel id do not belong to the current persistent resource that takies of a user terminal;
Second generation module generates second kind of persistent resource allocating message, and the supplement field in the assignment message is changed to effectively, carries the described second class channel id of distributing to described user terminal; And described second kind of persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module; Perhaps
Also comprise:
The 3rd acquisition module obtains the 3rd class channel id, and the indicated Radio Resource of described the 3rd class channel id all belongs to a current persistent resource that takies of user terminal;
The 3rd generates module, generates the third persistent resource allocating message, and the supplement field in the assignment message is changed to effectively, carries described the 3rd class channel id of distributing to described user terminal; And described the third persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module; Perhaps
Also comprise:
The 4th acquisition module obtains the 4th class channel id, and the indicated Radio Resource of described the 4th class channel id is the user terminal available radio resources;
The 4th generation module generates the 4th kind of persistent resource allocating message, and it is invalid that the supplement field in the assignment message is changed to, and carries described the 4th class channel id of distributing to user terminal; And described the 4th kind of persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module.
12. a user terminal comprises the second transmission/receiver module mutual with the base station, it is characterized in that, also comprises:
First Executive Module, receive described first kind of persistent resource allocating message that the described second transmission/receiver module is transmitted by the base station transmission, discharge identical resource in the indicated resource of the described first kind channel id that carries in self current first kind of persistent resource allocating message that take and described, and increase the persistent resource of all the other resources that do not belong to the current persistent resource of described user terminal of described first kind channel id indication for self.
13. user terminal as claimed in claim 12 is characterized in that, also comprises:
Second Executive Module, receive the described second kind of persistent resource allocating message by the base station transmission that the described second transmission/receiver module is transmitted, increasing the indicated resource of the second class channel id of carrying in described second kind of persistent resource allocating message is the persistent resource of self; Perhaps
Also comprise:
The 3rd Executive Module receives described the third persistent resource allocating message by the base station transmission that the described second transmission/receiver module is transmitted, and discharges the indicated resource of the 3rd class channel id of carrying in described the third persistent resource allocating message; Perhaps
Also comprise:
The 4th Executive Module, receive described the 4th kind of persistent resource allocating message that the described second transmission/receiver module is transmitted by the base station transmission, discharge self current persistent resource that takies, and with the new current persistent resource of the indicated Radio Resource of the 4th class channel id that carries in described the 4th kind of persistent resource allocating message as self.
14. a wireless system comprises base station and user terminal, described base station comprises the first transmission/receiver module mutual with user terminal, and described user terminal comprises the second transmission/receiver module mutual with the base station, it is characterized in that, described base station also comprises:
First acquisition module obtains first kind channel id, and the indicated part Radio Resource of described first kind channel id belongs to a current persistent resource that takies of user terminal;
First generation module generates first kind of persistent resource allocating message, and the additional distribution supplement field in the assignment message is changed to effectively, carries the described first kind channel id of distributing to described user terminal; And described first kind of persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module;
Described user terminal also comprises:
First Executive Module, receive described first kind of persistent resource allocating message that the described second transmission/receiver module is transmitted by the base station transmission, discharge identical resource in the indicated resource of the described first kind channel id that carries in self current first kind of persistent resource allocating message that take and described, and increase the persistent resource of all the other resources that do not belong to the current persistent resource of described user terminal of described first kind channel id indication for self.
15. wireless system as claimed in claim 14 is characterized in that, described base station also comprises:
Second acquisition module obtains the second class channel id, and the indicated whole Radio Resources of the described second class channel id do not belong to the current persistent resource that takies of a user terminal;
Second generation module generates second kind of persistent resource allocating message, and the supplement field in the assignment message is changed to effectively, carries the described second class channel id of distributing to described user terminal; And described second kind of persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module; Perhaps
Also comprise:
The 3rd acquisition module obtains the 3rd class channel id, and the indicated Radio Resource of described the 3rd class channel id all belongs to a current persistent resource that takies of user terminal;
The 3rd generates module, generates the third persistent resource allocating message, and the supplement field in the assignment message is changed to effectively, carries described the 3rd class channel id of distributing to described user terminal; And described the third persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module; Perhaps
Also comprise:
The 4th acquisition module obtains the 4th class channel id, and the indicated Radio Resource of described the 4th class channel id is the user terminal available radio resources;
The 4th generation module generates the 4th kind of persistent resource allocating message, and it is invalid that the supplement field in the assignment message is changed to, and carries described the 4th class channel id of distributing to user terminal; And described the 4th kind of persistent resource allocating message that will generate sends to user terminal by the described first transmission/receiver module;
Described user terminal also comprises:
Second Executive Module, receive the described second kind of persistent resource allocating message by the base station transmission that the described second transmission/receiver module is transmitted, increasing the indicated resource of the second class channel id of carrying in described second kind of persistent resource allocating message is the persistent resource of self; Perhaps
Also comprise:
The 3rd Executive Module receives described the third persistent resource allocating message by the base station transmission that the described second transmission/receiver module is transmitted, and discharges the indicated resource of the 3rd class channel id of carrying in described the third persistent resource allocating message; Perhaps
Also comprise:
The 4th Executive Module, receive described the 4th kind of persistent resource allocating message that the described second transmission/receiver module is transmitted by the base station transmission, discharge self current persistent resource that takies, and with the new current persistent resource of the indicated Radio Resource of the 4th class channel id that carries in described the 4th kind of persistent resource allocating message as self.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101099471A CN101132596A (en) | 2006-08-25 | 2006-08-25 | Assignment method for long occupied resource, base station, subscriber terminal and wireless system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101099471A CN101132596A (en) | 2006-08-25 | 2006-08-25 | Assignment method for long occupied resource, base station, subscriber terminal and wireless system |
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| CN101132596A true CN101132596A (en) | 2008-02-27 |
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| CNA2006101099471A Pending CN101132596A (en) | 2006-08-25 | 2006-08-25 | Assignment method for long occupied resource, base station, subscriber terminal and wireless system |
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| WO2010118616A1 (en) * | 2009-04-14 | 2010-10-21 | 中兴通讯股份有限公司 | Method for processing persistent resources, terminal and base station |
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