CN101170743B - A resource allocation method and device - Google Patents
A resource allocation method and device Download PDFInfo
- Publication number
- CN101170743B CN101170743B CN2007101947314A CN200710194731A CN101170743B CN 101170743 B CN101170743 B CN 101170743B CN 2007101947314 A CN2007101947314 A CN 2007101947314A CN 200710194731 A CN200710194731 A CN 200710194731A CN 101170743 B CN101170743 B CN 101170743B
- Authority
- CN
- China
- Prior art keywords
- subburst
- descending
- running time
- unit
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a method and a device for resource allocation. The method comprises: if T remaining time-frequency resources of symbol exist in the time-domain range occupied by downlink sub transmission block of the previous type, the time-frequency resources are allocated to the downlink sub transmission block of the current type in a predetermined order in the frequency domain direction in the T remaining time-frequency resources of symbol; if the T remaining time-frequency resources of symbol are insufficient to be allocated to the downlink sub transmission block of the current type, the next T remaining time-frequency resources of symbol are allocated to the downlink sub transmission block of the previous type in the predetermined order in the frequency domain direction. The downlink sub transmission block has T symbols as minimal unit in the time domain and F sub-carriers as minimal unit in the frequency domain. The number of symbol of the downlink frame is integer times of T, and the number of sub-carriers of the whole bandwidth is integer times of F. therefore, the invention can avoid the waste of time-frequency resources and is simple to implement.
Description
Technical field
The present invention relates to mobile communication technology, particularly a kind of method and apparatus of resource allocation.
Background technology
In communication system, it is scarce resources that some resources are arranged: as in global system for mobile communications (GSM), frequency resource is a scarce resource; In Wideband Code Division Multiple Access (WCDMA) (WCDMA) system, code division multiple access (CDMA) sign indicating number resource, power, frequency are the scarce resources of system.In wireless MAN (WiMAX, Worldwide Interoperability for Microwave Access) system, the bidimensional resource that is made of data transmission period and frequency, power etc. are the scarce resources of system.In system, whether scarce resource is fully used has reflected whether this system has good performance.
In the WiMAX system, from the base station (BS) to send to the downlink data of portable terminal (MS) be that unit sends with the frame.Data in the frame or signaling are the unit transmission with downstream transmission blocks (Burst).Data are behind process packet scheduling algorithm, and the Burst that forms different modulating mode, transmitting power and size is put on the frame and sends.Improve the performance of WiMAX system, just should make full use of the time-frequency bidimensional resource of downlink frame, improve the throughput of system.OFDM inserts (OFDMA, OrthogonalFrequency Division Multiple Access) descending Burst of physical layer specifies and can be assigned in any time-frequency two-dimensional rectangle running time-frequency resource of being made up of plurality of continuous data transmission period (Symbol) and plurality of continuous subcarrier.
In the prior art, when carrying out the resource allocation of downlink frame, various types of descending Burst must distribute according to the mode of rectangle, promptly the running time-frequency resource that takies of one type descending Burst is set to rectangle, and the running time-frequency resource preset amount that the descending Burst of the type is shared, this will inevitably cause the running time-frequency resource waste between descending Burst.Fig. 1 is the waste of the running time-frequency resource between a descending Burst schematic diagram in the prior art, and gray scale partly is the running time-frequency resource of distribution among Fig. 1, and blank parts is the running time-frequency resource of waste.Running time-frequency resource waste between descending Burst is because one type the shared running time-frequency resource of Burst must be rectangle, therefore descending Burst must be distributed in and be caused in the residue running time-frequency resource that can hold this descending Burst, and, the situation that running time-frequency resource does not enough distribute any descending Burst may appear remaining.Although in the prior art, can adopt and calculate in the downlink frame between all Burst running time-frequency resource and waste and select to waste minimum mode and distribute running time-frequency resource,, this mode still can not be avoided the waste of running time-frequency resource, and calculation of complex.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of resource allocation, so that avoid the waste of running time-frequency resource.
A kind of method of resource allocation, this method comprises:
If there is the residue running time-frequency resource of T data transmission period symbol in the shared time domain scope of the descending sub-transmission block Subburst of a last type, then in the residue running time-frequency resource of this T data transmission period symbol, on frequency domain direction, give the descending Subburst of current type according to fixing order assignment running time-frequency resource;
If the residue running time-frequency resource of this T symbol does not enough distribute the descending Subburst of current type, then continue on frequency domain direction according to described fixing order, distribute the descending Subburst of the running time-frequency resource of T symbol down to current type;
Wherein, described descending Subburst is a least unit with T symbol on time domain, is least unit with F subcarrier on frequency domain, and the symbol number of downlink frame is the integral multiple of T, and the subcarrier number of whole bandwidth is the integral multiple of F, and T and F are natural number; Described fixing order is: travel through to high-frequency subcarrier from low-frequency subcarrier, perhaps travel through to low-frequency subcarrier from high-frequency subcarrier, perhaps adopt the discrete way traversal, but adopt same fixing order in the distribution of a downlink frame.
A kind of device of resource allocation, this device comprises: first judging unit, resource allocation unit and second judging unit;
Described first judging unit is used to judge the residue running time-frequency resource that whether has T symbol in the shared time domain scope of the descending Subburst of a last type, if then send first to resource allocation unit and distribute notice;
Described second judging unit, be used for judging according to the allocation result of described resource allocation unit whether the residue running time-frequency resource of a described T symbol enough distributes the descending Subburst of current type, if then send second and distribute notice to described resource allocation unit;
Described resource allocation unit, be used to receive described first distribute notice after, in the residue running time-frequency resource of this T symbol, on frequency domain direction according to the descending Subburst of fixing order assignment running time-frequency resource to current type; After receiving the described second distribution notice, according to described fixing order, the running time-frequency resource of T Symbol is to the descending Subburst of current type under distributing on frequency domain direction in continuation;
Wherein, described descending Subburst is a least unit with T symbol on time domain, is least unit with F subcarrier on frequency domain, and the symbol number of downlink frame is the integral multiple of T, and the subcarrier number of whole bandwidth is the integral multiple of F, and T and F are natural number; Described fixing order is: travel through to high-frequency subcarrier from low-frequency subcarrier, perhaps travel through to low-frequency subcarrier from high-frequency subcarrier, perhaps adopt the discrete way traversal, but adopt same fixing order in the distribution of a downlink frame.
Description of drawings
As can be seen from the above technical solutions, the method and apparatus that the embodiment of the invention provides, distribute unappropriated running time-frequency resource in the shared running time-frequency resource of the descending Subburst of a type, again on frequency domain direction according to fixing order, distribute the running time-frequency resource of T symbol correspondence down, the running time-frequency resource that makes one type descending Subburst take can be the S type, and rectangle not only also just can be avoided the running time-frequency resource waste situation between descending Subburst.The least unit of all descending Subburst takies T symbol on time domain, on frequency domain, take F subcarrier, and the symbol number of downlink frame is the integral multiple of T, the subcarrier number of whole bandwidth is the integral multiple of F, and this is also just avoided occurring remaining the situation that running time-frequency resource does not enough distribute the descending Subburst of a least unit.Thereby avoided the waste of running time-frequency resource; And this method need not complicated computational methods, realizes simple.
Fig. 1 is the waste of the running time-frequency resource between a descending Burst schematic diagram in the prior art;
The residue running time-frequency resource schematic diagram that Fig. 2 a provides for the embodiment of the invention;
The schematic diagram of the current Subburst of distribution that Fig. 2 b provides for the embodiment of the invention;
The method flow diagram that Fig. 3 provides for the embodiment of the invention;
The running time-frequency resource schematic diagram that the dissimilar Subburst that Fig. 4 provides for the embodiment of the invention take;
The method flow diagram of the dissimilar Subburst of division that Fig. 5 provides for the embodiment of the invention;
The structure drawing of device of the resource allocation that Fig. 6 provides for the embodiment of the invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
The method that the embodiment of the invention provides comprises: in the residue running time-frequency resource of T symbol, on frequency domain direction, give the descending sub-transmission block Subburst of current type according to fixing order assignment running time-frequency resource, wherein, the residue running time-frequency resource of this T symbol is a unappropriated running time-frequency resource in the shared running time-frequency resource of the descending Subburst of a last type; If the residue running time-frequency resource of this T symbol does not enough distribute the descending Subburst of current type, then continue on frequency domain direction according to described fixing order, the running time-frequency resource of T symbol is given the descending Subburst of current type under distributing, wherein, each descending Subburst is a least unit with T symbol on time domain, on frequency domain, be least unit with F subcarrier, the symbol number of downlink frame is the integral multiple of T, the subcarrier number of whole bandwidth is the integral multiple of F, and T and F are natural number.
Further, if the above-mentioned running time-frequency resource of T symbol does not down still enough distribute the descending Subburst of current type, then continue to carry out this and distribute the step of the running time-frequency resource of T symbol down, until the descending Subburst that distributes all current types or do not remain running time-frequency resource to the descending Subburst of current type.Fig. 2 a is the residue running time-frequency resource that distributes behind the descending Subburst of a type, if the method that adopts the embodiment of the invention to provide is distributed the residue running time-frequency resource of current type, situation after the distribution can be shown in Fig. 2 b, as can be seen, all types of Subburst adopts the S type method of salary distribution in the method that the embodiment of the invention adopts, after promptly distributing the running time-frequency resource of current T symbol correspondence, following T the running time-frequency resource that symbol is shared of reallocating.
The method flow diagram that Fig. 3 provides for the embodiment of the invention, as shown in Figure 3, this method comprises:
Step 301: the signaling that will transmit and data are divided into dissimilar descending Subburst according to type of service.
In this step,, then this signaling is divided among the signaling Subburst,, then these data is divided among the data Subburst if transmission is data if transmission is signaling.
Further data Subburst can be divided into and use data Subburst that mixes automatic repeat requests (HARQ) strategy and the data Subburst that uses non-HARQ strategy.
Step 302:, in preceding T symbol of this downlink frame, on frequency domain direction, give the Subburst of frame control head (FCH) earlier according to fixing order assignment running time-frequency resource according to the priority preset order.
FCH is used to indicate contents such as the position of message maps (MAP) message and coded system, and MAP message is used to indicate the attribute of Subburst, as information such as the position of signaling and data Subburst, size, transmit power variation, therefore, FCH can be placed on the foremost and transmit, MAP message is taken second place.
Step 303: if there is the residue running time-frequency resource of T symbol in the shared time domain scope of the Subburst of this FCH, then in the residue running time-frequency resource of this T symbol, on frequency domain direction, give the Subburst of MAP message according to fixing order assignment running time-frequency resource, if the residue running time-frequency resource of this T symbol does not enough distribute the Subburst of MAP message, then continue on frequency domain direction according to fixing order, the running time-frequency resource of T symbol is given the Subburst of MAP message under distributing, until the Subburst that distributes all MAP message.
Wherein, comprise resource allocation result in the MAP message, i.e. the positional information that can carry the descending Subburst of all kinds by the HARQSubburst information unit (IE) in the MAP message.So, for MAP message priority allocation resource can utilize this resource allocation result to obtain corresponding signaling or data to corresponding running time-frequency resource so that after MS receives this downlink frame, at first parse the resource allocation result of carrying in this MAP message.
Wherein, can be for traveling through to high-frequency subcarrier on frequency domain direction from low-frequency subcarrier according to fixing order, also can be for traveling through to low-frequency subcarrier from high-frequency subcarrier, also can adopt the discrete way traversal, but in the distribution of a downlink frame, must adopt same permanent order to travel through.
Step 304: adopt the method identical to continue assignment signalling Subburst with step 303, if promptly there is the residue running time-frequency resource of T symbol in the shared time domain scope of this signaling Subburst, then in the residue running time-frequency resource of this T symbol, on frequency domain direction, give signaling Subburst according to fixing order assignment running time-frequency resource, if the residue running time-frequency resource of this T symbol does not enough distribute signaling Subburst, then continue on frequency domain direction according to fixing order, the running time-frequency resource of T symbol is given signaling Subburst under distributing, until distributing all signaling Subburst.
Step 305: adopt the method identical to continue to distribute the data Subburst that adopts the HARQ strategy with step 303.If promptly there is the residue running time-frequency resource of T symbol in the shared time domain scope of signaling Subburst, then in the residue running time-frequency resource of this T symbol, on frequency domain direction, give the data Subburst that adopts the HARQ strategy according to fixing order assignment running time-frequency resource, if the residue running time-frequency resource of this T symbol does not enough distribute the data Subburst of this employing HARQ strategy, then continue on frequency domain direction according to fixing order, the running time-frequency resource of T symbol is given the data Subburst that adopts the HARQ strategy under distributing, until the data Subburst that distributes all employing HARQ strategies.
Step 306: adopt the method identical to continue to distribute the data Subburst that adopts non-HARQ strategy with step 303.If promptly adopt the residue running time-frequency resource that has T symbol in the shared time domain scope of the data Subburst of HARQ strategy, then in the residue running time-frequency resource of this T symbol, on frequency domain direction, give the data Subburst that adopts non-HARQ strategy according to fixing order assignment running time-frequency resource, if the residue running time-frequency resource of this T symbol does not enough distribute the data Subburst that this adopts non-HARQ strategy, then continue on frequency domain direction according to fixing order, the running time-frequency resource of T symbol is given the data Subburst that adopts non-HARQ strategy under distributing, until the data Subburst that distributes the non-HARQ strategy of all employings.
In flow process shown in Figure 3, be reduced to the Subburst of example: FCH successively with priority in the following order, the Subburst of MAP message, signaling Subburst uses the data Subburst of HARQ strategy, uses the data Subburst of non-HARQ strategy.Certainly, also can adopt other priority orders.
After adopting flow process shown in Figure 3 to carry out resource allocation, the running time-frequency resource that dissimilar Subburst takies can be as shown in Figure 4, and as seen from Figure 4, the running time-frequency resource that various types of Subburst take must be a rectangle no longer, and can be the S type.
The signaling that will transmit in the above-mentioned steps 301 and data are divided into dissimilar descending Subburst according to type of service, promptly this signaling can be divided among the signaling Subburst, if transmission is data, then these data are divided among the data Subburst.When dividing concrete data Subburst, can further data Subburst be divided into data Subburst that uses the HARQ strategy and the data Subburst that uses non-HARQ strategy.Concrete partition process can may further comprise the steps as shown in Figure 5:
Step 501: whether the data that judgement will be transmitted use the HARQ strategy, if, execution in step 502; Otherwise, execution in step 503.
Step 502: newly set up a Subburst and a corresponding Subburst information unit (IE) thereof that uses the HARQ strategy, process ends.
In this step, newly-established Subburst IE can adopt HARQ Subburst IE, also a kind of Subburst IE can be set in addition.
Carry the information of this Subburst use HARQ strategy in the ACK field in this Subburst IE.
Use the Subburst of HARQ strategy to divide, promptly use connection identifier (CID) to identify according to connection.The data that send first can be comprised among the Subburst of this use HARQ strategy, also the data that retransmit can be comprised.
Step 503: whether the MS that judges this data correspondence dispatches in this downlink frame first, if then execution in step 504, otherwise, execution in step 505.
Use the Subburst of non-HARQ strategy to divide according to the user, promptly adopt the CID of user class to identify, for example, can adopt basic connection identifier (Basic CID), primary CID (Primary CID) or less important CID (Secondary CID) etc. identify, therefore, whether the MS that can judge this data correspondence according to the Basic CID of existing Subburst dispatches in downlink frame first, if there has been the Basic CID of this MS correspondence, then the MS that determines this data correspondence dispatches first, if there is no the Basic CID of this MS correspondence then determines MS scheduling first in this downlink frame of this data correspondence.
Step 504: newly set up a Subburst and a corresponding SubburstIE thereof who uses non-HARQ strategy, process ends.
In this step, newly-established Subburst IE can adopt HARQ Subburst IE, also a kind of Subburst IE can be set in addition.
Carry the information that this Subburst uses non-HARQ strategy in the ACK field in this Subburst IE.
Use the Subburst of non-HARQ strategy also can divide, promptly use connection identifier (CID) to identify according to connection.
Step 505: these data are merged among the Subburst of the non-HARQ strategy of use of this MS correspondence process ends.
The structure drawing of device of the resource allocation that Fig. 6 provides for the embodiment of the invention, as shown in Figure 6, this device can comprise: first judging unit 601, resource allocation unit 602 and second judging unit 603.
First judging unit 601 is used to judge the residue running time-frequency resource that whether has T symbol in the shared time domain scope of the descending Subburst of a last type, if then send first to resource allocation unit and distribute notice.
Resource allocation unit 602, be used to receive first distribute notice after, in the residue running time-frequency resource of this T symbol, on frequency domain direction according to the descending Subburst of fixing order assignment running time-frequency resource to current type; After receiving the second distribution notice, according to fixing order, the running time-frequency resource of T Symbol is given the descending Subburst of current type under distributing on frequency domain direction in continuation.
Wherein, can be for traveling through to high-frequency subcarrier on frequency domain direction from low-frequency subcarrier according to fixing order, also can be for traveling through to low-frequency subcarrier from high-frequency subcarrier, also can adopt the discrete way traversal, but in the distribution of a downlink frame, must adopt same permanent order to travel through.
Second judging unit 603 is used for judging according to the allocation result of resource allocation unit 602 whether the residue running time-frequency resource of T symbol enough distributes the descending Subburst of current type, if then send second to resource allocation unit 602 and distribute notice.
Wherein, descending Subburst is a least unit with T symbol on time domain, is least unit with F subcarrier on frequency domain, and the symbol number of downlink frame is the integral multiple of T, and the subcarrier number of whole bandwidth is the integral multiple of F, and T and F are natural number.
This device can also comprise: the 3rd judging unit 604, be used for whether enough distributing the descending Subburst of current type according to the running time-frequency resource of T symbol under the allocation result judgement of resource allocation unit 602, if not, then send second and distribute notice to resource allocation unit 602.
First judging unit 601 in the time of can also being used for not having the residue running time-frequency resource in the shared time domain scope of the descending Subburst of a type on judging, sending second to resource allocation unit 602 and distributes notice.
This device can also comprise: signaling division unit 605 and data division unit 606.
Signaling division unit 605, the signaling that is used for transmitting is divided into signaling Subburst.
Data division unit 606, the data that are used for transmitting are divided into data Subburst.
Wherein, data division unit 606 comprises: HARQ strategy judging unit 6061, MS judging unit 6062 and Subburst set up unit 6063.
HARQ strategy judging unit 6061 is used to judge whether the data that will transmit use the HARQ strategy, if then set up unit 6063 to Subburst and send the first foundation notice; If not, then send the judgement notice to MS judging unit 6062.
MS judging unit 6062, after being used to receive the judgement notice of HARQ strategy judging unit 6061 transmissions, whether the MS of the data correspondence that judgement will be transmitted dispatches in this downlink frame first, if, then set up unit 6063 and send the second foundation notice to Subburst, if not, then set up unit 6063 and send the merging notice to Subburst.
Subburst sets up unit 6063, after being used to receive the first foundation notice, newly set up a Subburst and a corresponding Subburst IE thereof who uses the HARQ strategy, after receiving the second foundation notice, newly set up the Subburst of a use non-HARQ strategy corresponding and corresponding Subburst IE thereof with this MS, receive merge notice after, the data that will transmit merge among the Subburst of the non-HARQ strategy of use of this MS correspondence.
This device can also comprise: priority memory cell 607, the priority that is used to store predefined dissimilar descending Subburst.
Wherein, the priority orders of storage can reduce in the following order successively in advance: the Subburst of Subburst, the signaling Subburst of the Subburst of FCH, MAP message, the Subburst that uses the HARQ strategy, the non-HARQ strategy of use; Certainly, also can adopt other priority orders, for example: the Subburst of Subburst, the signaling Subburst of the Subburst of FCH, MAP message, the Subburst that uses the HARQ strategy, the non-HARQ strategy of use.
Resource allocation unit 602 can also be used to obtain the priority of dissimilar descending Subburst, and carries out the operation of distribution running time-frequency resource according to the priority of dissimilar descending Subburst.
By above description as can be seen, the method and apparatus that the embodiment of the invention provides, distribute unappropriated running time-frequency resource in the shared running time-frequency resource of the descending Subburst of a type, again on frequency domain direction according to fixing order, distribute the running time-frequency resource of T symbol correspondence down, the running time-frequency resource that makes one type descending Subburst take can be the S type, and is not only rectangle, also just can avoid the running time-frequency resource waste situation between descending Subburst.The least unit of all descending Subburst takies T symbol on time domain, on frequency domain, take F subcarrier, and the symbol number of downlink frame is the integral multiple of T, the subcarrier number of whole bandwidth is the integral multiple of F, and this is also just avoided occurring remaining the situation that running time-frequency resource does not enough distribute the descending Subburst of a least unit.Thereby avoided the waste of running time-frequency resource; And this method need not complicated computational methods, realizes simple.
In embodiments of the present invention, give a kind of more excellent allocation order, the Subburst that distributes FCH or MAP message at first, can guarantee that MS at first receives the MAP message that comprises resource allocation result, use the data Subburst of HARQ strategy to have precedence over the data Subburst that uses non-HARQ strategy and distribute and to reduce propagation delay time.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (16)
1. the method for a resource allocation is characterized in that, this method comprises:
If there is the residue running time-frequency resource of T data transmission period symbol in the shared time domain scope of the descending sub-transmission block Subburst of a last type, then in the residue running time-frequency resource of this T data transmission period symbol, on frequency domain direction, give the descending Subburst of current type according to fixing order assignment running time-frequency resource;
If the residue running time-frequency resource of this T symbol does not enough distribute the descending Subburst of current type, then continue on frequency domain direction according to described fixing order, distribute the descending Subburst of the running time-frequency resource of T symbol down to current type;
Wherein, described descending Subburst is a least unit with T symbol on time domain, is least unit with F subcarrier on frequency domain, and the symbol number of downlink frame is the integral multiple of T, and the subcarrier number of whole bandwidth is the integral multiple of F, and T and F are natural number; Described fixing order is: travel through to high-frequency subcarrier from low-frequency subcarrier, perhaps travel through to low-frequency subcarrier from high-frequency subcarrier, perhaps adopt the discrete way traversal, but adopt same fixing order in the distribution of a downlink frame.
2. method according to claim 1, it is characterized in that, this method also comprises: if the described running time-frequency resource of T symbol does not down still enough distribute the descending Subburst of current type, then continue to carry out the step of the running time-frequency resource of T symbol under the described distribution, until the descending Subburst that distributes all current types or do not remain running time-frequency resource to the descending Subburst of current type.
3. method according to claim 1, it is characterized in that, this method also comprises: if do not have the residue running time-frequency resource in the shared time domain scope of the descending Subburst of a described last type, then directly carry out the step of the running time-frequency resource of T symbol under the described distribution to the descending Subburst of current type.
4. method according to claim 1 is characterized in that, distributes running time-frequency resource for all types of descending Subburst according to the priority preset order.
5. method according to claim 4 is characterized in that, described priority preset is in proper order:
Priority reduces successively in the following order: the Subburst of frame control head FCH, the Subburst of message maps MAP message, signaling Subburst uses the data Subburst that mixes automatic repeat requests HARQ strategy, uses the data Subburst of non-HARQ strategy.
6. method according to claim 1 is characterized in that, this method also comprises: the signaling that will transmit and data are divided into dissimilar descending Subburst according to type of service.
7. method according to claim 6, it is characterized in that, described signaling and data are divided into dissimilar descending Subburst according to type of service and comprise: if transmission is signaling, then this signaling is divided among the signaling Subburst, if transmission is data, then these data are divided among the data Subburst.
8. method according to claim 7, it is characterized in that, described these data are divided among the data Subburst comprises: judge whether these data use the automatic repeat requests HARQ strategy of mixing, if then newly set up a Subburst and a corresponding Subburst information unit IE thereof who uses the HARQ strategy; Otherwise, judge whether this data corresponding mobile terminal MS dispatches first in this downlink frame, if, then newly set up the Subburst of a use non-HARQ strategy corresponding and corresponding Subburst IE thereof with this MS, if not, then these data are merged among the Subburst of the non-HARQ strategy of use of this MS correspondence.
9. method according to claim 8 is characterized in that, the Subburst IE of the Subburst IE of the Subburst correspondence of use HARQ strategy and the Subburst correspondence of the non-HARQ strategy of use is HARQ Subburst IE;
Carry the information whether its corresponding Subburst uses the HARQ strategy in the corresponding ACK field among the HARQ Subburst IE.
10. method according to claim 1 is characterized in that, this method also comprises: resource allocation result is carried in the message maps MAP message.
11. the device of a resource allocation is characterized in that, this device comprises: first judging unit, resource allocation unit and second judging unit;
Described first judging unit is used to judge the residue running time-frequency resource that whether has T symbol in the shared time domain scope of the descending Subburst of a last type, if then send first to resource allocation unit and distribute notice;
Described second judging unit, be used for judging according to the allocation result of described resource allocation unit whether the residue running time-frequency resource of a described T symbol enough distributes the descending Subburst of current type, if then send second and distribute notice to described resource allocation unit;
Described resource allocation unit, be used to receive described first distribute notice after, in the residue running time-frequency resource of this T symbol, on frequency domain direction according to the descending Subburst of fixing order assignment running time-frequency resource to current type; After receiving the described second distribution notice, according to described fixing order, the running time-frequency resource of T Symbol is to the descending Subburst of current type under distributing on frequency domain direction in continuation;
Wherein, described descending Subburst is a least unit with T symbol on time domain, is least unit with F subcarrier on frequency domain, and the symbol number of downlink frame is the integral multiple of T, and the subcarrier number of whole bandwidth is the integral multiple of F, and T and F are natural number; Described fixing order is: travel through to high-frequency subcarrier from low-frequency subcarrier, perhaps travel through to low-frequency subcarrier from high-frequency subcarrier, perhaps adopt the discrete way traversal, but adopt same fixing order in the distribution of a downlink frame.
12. device according to claim 11, it is characterized in that, this device also comprises: the 3rd judging unit, be used for judging according to the allocation result of described resource allocation unit whether the described running time-frequency resource of T symbol down enough distributes the descending Subburst of current type, if not, then send described second and distribute notice to described resource allocation unit.
13. device according to claim 11, it is characterized in that, described first judging unit when also being used for not having the residue running time-frequency resource in the shared time domain scope of the descending Subburst of a type on judging, sending described second to described resource allocation unit and distributes notice.
14. device according to claim 11 is characterized in that, this device also comprises: signaling division unit and data division unit;
Described signaling division unit, the signaling that is used for transmitting is divided into signaling Subburst;
Described data division unit, the data that are used for transmitting are divided into data Subburst.
15. device according to claim 14 is characterized in that, described data division unit comprises: HARQ strategy judging unit, MS judging unit and Subburst set up the unit;
Described HARQ strategy judging unit is used to judge whether the described data that will transmit use the HARQ strategy, if then set up the unit to described Subburst and send the first foundation notice; If not, then send the judgement notice to described MS judging unit;
Described MS judging unit, after being used to receive described judgement notice, whether the MS that judges the described data correspondence that will transmit dispatches in this downlink frame first, if, then set up the unit and send the second foundation notice to described Subburst, if not, then set up the unit and send the merging notice to described Subburst;
Described Subburst sets up the unit, after being used to receive the described first foundation notice, newly set up a Subburst and a corresponding Subburst IE thereof who uses the HARQ strategy, after receiving the described second foundation notice, newly set up the Subburst of a use non-HARQ strategy corresponding and corresponding SubburstIE thereof with this MS, after receiving described merging notice, among the Subburst of the non-HARQ strategy of use that the described data that will transmit are merged to this MS correspondence.
16. device according to claim 11 is characterized in that, this device also comprises: priority memory cell, the priority that is used to store predefined dissimilar descending Subburst;
Described resource allocation unit also is used to obtain the priority of described dissimilar descending Subburst, and carries out the operation of described distribution running time-frequency resource according to the priority of described dissimilar descending Subburst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101947314A CN101170743B (en) | 2007-11-29 | 2007-11-29 | A resource allocation method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101947314A CN101170743B (en) | 2007-11-29 | 2007-11-29 | A resource allocation method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101170743A CN101170743A (en) | 2008-04-30 |
| CN101170743B true CN101170743B (en) | 2010-09-08 |
Family
ID=39391175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101947314A Active CN101170743B (en) | 2007-11-29 | 2007-11-29 | A resource allocation method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101170743B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102076023B (en) | 2010-10-08 | 2013-01-16 | 电信科学技术研究院 | Buffer memory space distribution method and equipment |
| CN102006669A (en) * | 2010-11-24 | 2011-04-06 | 华为技术有限公司 | Resource allocation method in HARQ region and base station |
| US10880883B2 (en) | 2014-09-02 | 2020-12-29 | Qualcomm Incorporated | Low-latency, low-bandwidth and low duty cycle operation in a wireless communication system |
| CN107079423B (en) * | 2014-10-31 | 2020-08-07 | 华为技术有限公司 | Data transmission method and equipment |
| CN107872892B (en) * | 2016-09-28 | 2023-04-18 | 中兴通讯股份有限公司 | Wireless resource allocation method and device |
| CN107154835B (en) * | 2017-05-05 | 2020-05-19 | 宇龙计算机通信科技(深圳)有限公司 | Data sending method and device |
| WO2018232336A1 (en) * | 2017-06-15 | 2018-12-20 | Huawei Technologies Co., Ltd. | Method and apparatus for transmitting upstream data in a cable network |
| JP2021516886A (en) | 2018-02-05 | 2021-07-08 | 日本電気株式会社 | Resource mapping methods and devices for data transmission, and data reception methods and devices |
| CN110267227B (en) * | 2018-03-12 | 2021-02-12 | 华为技术有限公司 | Data transmission method, related equipment and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1604509A (en) * | 2004-10-29 | 2005-04-06 | 清华大学 | Time-frequency matrix two-dimensional channel dynamic allocation method in multimedia information transmission |
| CN1728695A (en) * | 2004-07-27 | 2006-02-01 | 华为技术有限公司 | Method for assigning resources of time frequency in communication system |
| CN101064708A (en) * | 2006-04-30 | 2007-10-31 | 华为技术有限公司 | Multi-carrier system frequency resource mapping method and apparatus |
-
2007
- 2007-11-29 CN CN2007101947314A patent/CN101170743B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728695A (en) * | 2004-07-27 | 2006-02-01 | 华为技术有限公司 | Method for assigning resources of time frequency in communication system |
| CN1604509A (en) * | 2004-10-29 | 2005-04-06 | 清华大学 | Time-frequency matrix two-dimensional channel dynamic allocation method in multimedia information transmission |
| CN101064708A (en) * | 2006-04-30 | 2007-10-31 | 华为技术有限公司 | Multi-carrier system frequency resource mapping method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101170743A (en) | 2008-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101170743B (en) | A resource allocation method and device | |
| CN109075921B (en) | Feedback information transmission method, device and system between Internet of vehicles equipment | |
| CN102883474B (en) | Base station and transmission method | |
| CN102111751B (en) | Method and device for reporting buffer state report | |
| CN104243117B (en) | Connection processing method, movement station and base station between movement station and base station | |
| CN102771076B (en) | Distributing group size indications to mobile stations | |
| CN102196495B (en) | Downlink data transmission method, system and equipment | |
| CN103139125B (en) | Downlink data sending, receiving method and base station and user terminal | |
| CN101233774A (en) | Base station apparatus, communication terminal apparatus, and multicarrier communication method | |
| CN102196570B (en) | Data transmission method, system and device | |
| EP2373106A1 (en) | Resource mapping methods for control channels | |
| EA023976B1 (en) | Mobile communication system, base station device, mobile station device, and mobile communication method | |
| CN102131297A (en) | Method and equipment for allocating uplink resource | |
| CN110149703A (en) | The sending method and device of ascending control information, storage medium, user equipment | |
| CN101388867A (en) | Resource scheduling method based on OFDM system | |
| CN101491050B (en) | Frame building in the presence of arq-enabled traffic | |
| CN101553034B (en) | Resource distributing method | |
| CN101741525A (en) | Method and system for processing data retransmission of hybrid automatic retransmission request | |
| CN101399763A (en) | Downlink service data scheduling method and apparatus | |
| CN101836408B (en) | Method for indicating modulation mode in high speed downlink packet accessing | |
| CN102595609A (en) | Method and system for realizing uplink sub-frame dispatch in sub-frame binding | |
| CN101179512B (en) | Resource scheduling method and equipment | |
| CN101291334B (en) | Scheduling method for wireless resource of data link layer in WIMAX system | |
| CN101505506B (en) | High speed downlink packet access indication modulation mode and method for judging modulation mode by terminal | |
| CN113993140B (en) | Method, equipment and device for optimizing utilization rate of physical resource block PRB |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211222 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: Super fusion Digital Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
|
| TR01 | Transfer of patent right |