CN101500310A - Resource distribution method and apparatus - Google Patents
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- CN101500310A CN101500310A CNA2008100571695A CN200810057169A CN101500310A CN 101500310 A CN101500310 A CN 101500310A CN A2008100571695 A CNA2008100571695 A CN A2008100571695A CN 200810057169 A CN200810057169 A CN 200810057169A CN 101500310 A CN101500310 A CN 101500310A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000013468 resource allocation Methods 0.000 claims abstract description 58
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 101000741965 Homo sapiens Inactive tyrosine-protein kinase PRAG1 Proteins 0.000 description 1
- 102100038659 Inactive tyrosine-protein kinase PRAG1 Human genes 0.000 description 1
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Abstract
The invention discloses a resource allocation method, which is used for increasing the resource utilization rate. The method comprises the following steps of: obtaining the available resource of an HS-PDSCH (High-Speed Physical Downlink Shared Channel) code channel; according to the preset order of resource allocation, allocating the available HS-PDSCH code channel resources which are identified to one side of the code channel resources between a code channel initial identifier and a code channel end identifier to users, wherein, the code channel initial identifier or the code channel end identifier is respectively used for indicating a code channel identifier; the code channel initial identifier is allocated to the other side of the HS-PDSCH code channel resources in the time slot in which the code channel resources for controlling code channel are arranged; and the code channel initial identifier or the code channel end identifier is respectively used for indicating the code channel identifier allocated to the other side of the HS-PDSCH code channel resources in the other time slots. The invention also discloses a device and a system for realizing the method.
Description
Technical field
The present invention relates to the communications field, particularly relate to resource allocation methods and device.
Background technology
At present, insert (High-Speed downlink packet access in high-speed downlink packet, HSDPA) in the system, by radio network controller (Radio Network Controller, RNC) resource is distributed, base station (Node B, NB) by High-Speed Shared Control Channel (High-Speed sharedcontrol channel, HS-SCCH) indication of the transport format resource in the control frame (Transport FormatResource Indicator, TFRI) field is to each subscriber equipment (User Equipment, UE) indication High-Speed Physical Downlink Shared Channel (High Speed Physical Downlink Shared Channel, HS-PDSCH) go up spendable resource, comprising the time slot of distributing to UE (Time Slot, TS) and code channel (Code).UE need monitor the time slot and the code channel of the indication of TFRI field, thereby correctly resolves the HS-PDSCH data.
The structure of TFRI field is referring to shown in Figure 1, and wherein Kstart represents the coding of initial code channel, represents with 4 (bit); Kstop represents to stop the coding of code channel, represents with 4bits; TS2-TS6 represents the 3rd to the 7th time slot, represents with 1bit respectively.Simultaneously, all distribute to the identical spreading code set of all necessary use of time slot of HS-PDSCH in the subframe, if some code channel of a time slot by other channels (as DPCH (Dedicated Physical Channel, DPCH) or HS-SCCH) take, even the corresponding code channel of other time slots that distribute does not have occupied, can not be used for HS-PDSCH, the code channel 1-code channel 4 referring to shown in Figure 2 causes the wasting of resources.
And if the situation of Kstart=16 and Kstop=1, the physical resource for HS-PDSCH will use spread spectrum coefficient SF=1 so.In addition, when Kstart occurring〉UE will think that information makes mistakes during Kstop, can't obtain business information by available HS-PDSCH code channel resource.
To sum up, there is the situation of the wasting of resources in the HS-PDSCH code channel resource method of salary distribution of the prior art.
Summary of the invention
The embodiment of the invention provides a kind of resource allocation methods and device, is used to improve resource utilization.
A kind of network side resource allocation methods may further comprise the steps:
Know available HS-PDSCH code channel resource;
According to default resource allocation order, a side of code channel resource is identified to the available HS-PDSCH code channel resource that code channel origin identification and code channel stop between the sign distributes to the user; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource respectively with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource respectively with code channel.
A kind of end side obtains the method for resource, may further comprise the steps:
A kind of method that obtains resource may further comprise the steps:
Reception is used for the message of resource allocation and resolves;
Analyze the available HS-PDSCH code channel resource that distributes for self; The available HS-PDSCH code channel resource of described distribution is: according to default resource allocation order, a side of code channel is identified to code channel origin identification or code channel stops available HS-PDSCH code channel resource between the sign; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource with code channel.
A kind of network equipment comprises:
Interface module is used to know available HS-PDSCH code channel resource;
Distribution module is used for according to default resource allocation order, a side of code channel resource is identified to the available HS-PDSCH code channel resource that code channel origin identification and code channel stop between the sign distributes to the user; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource respectively with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource respectively with code channel.
A kind of terminal side equipment comprises:
Interface module is used to receive the message that is used for resource allocation and resolves;
Analysis module is used to analyze the available HS-PDSCH code channel resource that distributes into self; The available HS-PDSCH code channel resource of described distribution is: according to default resource allocation order, a side of code channel is identified to code channel origin identification or code channel stops available HS-PDSCH code channel resource between the sign; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource with code channel.
A kind of system comprises:
Network equipment is used to know available HS-PDSCH code channel resource, and according to default resource allocation order, a side of code channel resource is identified to the available HS-PDSCH code channel resource that code channel origin identification and code channel stop between the sign distributes to the user; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource respectively with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource respectively with code channel;
Terminal side equipment is used to receive the message that is used for resource allocation and resolves, and analyzes the available HS-PDSCH code channel resource that distributes into self.
The embodiment of the invention is by redefining the implication of Kstart and Kstop, and in conjunction with the resource allocation order, one side code channel is distributed to the user to the available HS-PDSCH code channel resource between Kstart and the Kstop, realized making full use of of resource, reduced the wasting of resources.
Description of drawings
Fig. 1 is the structural representation of TFRI field in the prior art;
Fig. 2 is the distribution schematic diagram of a kind of available HS-PDSCH code channel resource in the prior art;
Fig. 3 is the structure chart of system in the embodiment of the invention;
Fig. 4 is the structure chart of network equipment in the embodiment of the invention;
Fig. 5 is the structure chart of terminal side equipment in the embodiment of the invention;
Fig. 6 carries out the flow chart of the main method of resource allocation for network side in the embodiment of the invention;
Fig. 7 is the flow chart that end side obtains the main method of resource in the embodiment of the invention;
The flow chart of Fig. 8 when carrying out resource allocation by code channel order from high to low in the embodiment of the invention;
Fig. 9 is the distribution schematic diagram of another kind of available HS-PDSCH code channel resource in the embodiment of the invention;
The flow chart of Figure 10 when carrying out resource allocation by code channel order from low to high in the embodiment of the invention.
Embodiment
The embodiment of the invention is expressed as the termination sign of the code channel resource of control channel (as HS-SCCH) place time slot (or sign is as the time slot at dedicated channel places such as DPCH) and other time slot respectively with Kstart and Kstop, the coding of one side code channel as the code channel origin identification, is reached the purpose that makes full use of available HS-PDSCH code channel resource.
Referring to Fig. 3, present embodiment is by a kind of system, and it comprises network equipment 301 and terminal side equipment 302.
Internal structure at network equipment 301 and terminal side equipment 302 is described below.
Referring to Fig. 4, network equipment 301 comprises interface module 401 and distribution module 402 in the present embodiment.
Referring to Fig. 5, terminal side equipment 302 comprises interface module 501 and analysis module 502 in the present embodiment.
Be described below by the method for realization flow resource allocation.
Referring to Fig. 6, to carry out the main method flow process of resource allocation as follows for network side in the present embodiment:
Step 601: know available HS-PDSCH code channel resource.Thereby the mode of knowing can be to know by receiving message, also can be after the resources such as code channel resource of distributing control channel, knows that automatically surplus resources is available HS-PDSCH code channel resource.
Step 602:, a side of code channel is distributed to the user to the available HS-PDSCH code channel resource between code channel origin identification and the code channel termination sign according to default resource allocation order; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource respectively with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource respectively with code channel.
Step 603: the information of available HS-PDSCH code channel resource is sent to described user.Specifically can indicate available HS-PDSCH code channel resource by the TFRI field on the HS-SCCH.
Accordingly, referring to shown in Figure 7, the main method flow process of end side acquisition resource is as follows in the present embodiment:
Step 701: receive the message that is used for resource allocation.Specifically can receive this message by monitoring HS-SCCH.
Step 702: described message is resolved, obtain the TFRI field.
Step 703: the TFRI field is analyzed, analyzed the available HS-PDSCH code channel resource that distributes into self; The available HS-PDSCH code channel resource of described distribution is: according to default resource allocation order, a side of code channel is stopped available HS-PDSCH code channel resource between the sign to code channel origin identification and code channel; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource respectively with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource respectively with code channel.
Resource allocation comprises by code channel from high to low or by low in proper order to high order, below respectively at these two kinds of orders, and the process of detailed description resource allocation.
Referring to Fig. 8, when carrying out resource allocation by code channel order from high to low, the realization flow of resource allocation is as follows:
Predesignate by code channel order from high to low and carry out resource allocation.
Step 801: available HS-PDSCH code channel resource is known in the base station, referring to blank space shown in Figure 9.
Step 802: the minimum code channel on further definite other time slot in base station in the highest code channel of available HS-PDSCH code channel resource.
Step 803: whether the highest code channel that available HS-PDSCH code channel resource is judged in the base station is at the time slot at HS-SCCH and DPCH resource place, judge that perhaps whether available HS-PDSCH code channel resource on the time slot at HS-SCCH and DPCH resource place is more than other each time slot, situation except Kstart=16, Kstop=1, if, then continue step 804, otherwise continue step 805.
Step 804: the base station is with the highest code channel of available HS-PDSCH code channel resource on the time slot at Kstart sign HS-SCCH and DPCH resource place; Identify the minimum code channel in the highest code channel of available HS-PDSCH code channel resource on other time slot with Kstop.
Step 805: the base station identifies the minimum code channel in the highest code channel of available HS-PDSCH code channel resource on other time slot with Kstart; The highest code channel with available HS-PDSCH code channel resource on the time slot at Kstop sign HS-SCCH and DPCH resource place.
In step 804 and 805, make Kstart greater than Kstop, such design is to be less than or equal to the situation of Kstop for Kstart in the compatible prior art, can not adopt prior art fully yet, only stipulate the highest code channel of code channel of available HS-PDSCH code channel resource on the time slot at Kstart (or Kstop) sign HS-SCCH and DPCH resource place, Kstop (or Kstart) identifies the highest code channel of code channel of available HS-PDSCH code channel resource on other time slot, does not need execution in step 803.
Step 806: the base station generates the information and sending of the information that carries available HS-PDSCH code channel resource and gives UE, and the available HS-PDSCH code channel resource that is about between code channel 1 to Kstart and the Kstop is all distributed to this UE.
Step 807:UE receives and resolves message, knows the available HS-PDSCH code channel resource of distribution.
Step 808: the T frame of base station after sending described message according to the available HS-PDSCH code channel resource that distributes, sends business information to UE.The T frame is what set in advance, in order to reserve time to UE, is convenient to the transmitting synchronous of both sides.
The K frame of step 809:UE after sending described message according to the available HS-PDSCH code channel resource that distributes, receives business information.The K frame is what set in advance, and is preferable, and K equals T.
For example, TS4 remains 12 code channels (being code channel 1-code channel 12), and TS5 remains 10 code channels, and TS6 remains 8 code channels, and HS-SCCH then can dispose Kstart=10, Kstop=8 at TS6; If HS-SCCH is at other time slots, then configuration keeps identical, Kstart＜Kstop with prior art.
Referring to Figure 10, when carrying out resource allocation by code channel order from low to high, the realization flow of resource allocation is as follows:
Predesignate by code channel order from low to high and carry out resource allocation.
Step 1001: available HS-PDSCH code channel resource is known in the base station, referring to blank space shown in Figure 2.
Step 1002: the highest code channel on further definite other time slot in base station in the minimum code channel of available HS-PDSCH code channel resource.
Step 1003: whether the minimum code channel that available HS-PDSCH code channel resource is judged in the base station is at the time slot at HS-SCCH and DPCH resource place, judge that perhaps whether available HS-PDSCH code channel resource on the time slot at HS-SCCH and DPCH resource place is more than other each time slot, situation except Kstart=16, Kstop=1, if, then continue step 1004, otherwise continue step 1005.
Step 1004: the base station is with the highest code channel of available HS-PDSCH code channel resource on the time slot at Kstop sign HS-SCCH and DPCH resource place; Identify the minimum code channel in the highest code channel of available HS-PDSCH code channel resource on other time slot with Kstart.
Step 1005: the base station is with the highest code channel of available HS-PDSCH code channel resource on the time slot at Kstart sign HS-SCCH and DPCH resource place; Identify the minimum code channel in the highest code channel of available HS-PDSCH code channel resource on other time slot with Kstop.
Step 1006: the base station generates the information and sending of the information that carries available HS-PDSCH code channel resource and gives UE, and the available HS-PDSCH code channel resource that is about between code channel 16 to Kstart and the Kstop is all distributed to this UE.
Step 1007:UE receives and resolves message, knows the available HS-PDSCH code channel resource of distribution.
Step 1008: the T frame of base station after sending described message according to the available HS-PDSCH code channel resource that distributes, sends business information to UE.The T frame is what set in advance, in order to reserve time to UE, is convenient to the transmitting synchronous of both sides.
The K frame of step 1009:UE after sending described message according to the available HS-PDSCH code channel resource that distributes, receives business information.The K frame is what set in advance, and is preferable, and K equals T.
UE can be after receiving business information, resolve, if resolve correct, then share information channel (High-Speed Shared Information Channel by high speed uplink, HS-SICH) return to the base station and correctly reply instruction (ACK), if can not correctly resolve, then return wrong responses instruction (NACK).
Be used to realize that the software of the embodiment of the invention can be stored in storage mediums such as floppy disk, hard disk, CD and flash memory.
The embodiment of the invention is by redefining the implication of Kstart and Kstop, and in conjunction with the resource allocation order, one side code channel is distributed to the user to the available HS-PDSCH code channel resource between Kstart and the Kstop, time slot to HS-SCCH and DPCH resource place can adopt different spreading code set with other time slot, realize making full use of of resource, reduced the wasting of resources.The embodiment of the invention provides multiple specific implementation by the various definitions of Kstart and Kstop and the multiple regulation of resource allocation order, is convenient to the Scheme Choice in the practical application.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1, a kind of resource allocation methods is characterized in that, may further comprise the steps:
Know available HS-PDSCH code channel resource;
According to default resource allocation order, a side of code channel resource is identified to the available HS-PDSCH code channel resource that code channel origin identification and code channel stop between the sign distributes to the user; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource respectively with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource respectively with code channel.
2, resource allocation methods as claimed in claim 1, it is characterized in that, when the code channel origin identification stops sign and code channel origin identification and do not represent that the highest sign of code channel resource and code channel stop sign and do not represent the minimum sign of code channel resource greater than code channel, adopt described resource allocation methods.
3, resource allocation methods as claimed in claim 2 is characterized in that, the available HS-PDSCH code channel resource on the time slot at the code channel resource place of control channel adopts described resource allocation methods than the available HS-PDSCH code channel resource on other time slot after a little while.
4, resource allocation methods as claimed in claim 1 is characterized in that, when described resource allocation is during according to from high to low order of the sign of code channel resource in proper order, a side of described code channel be designated minimum code channel; When described resource allocation is during according to from low to high order of code channel in proper order, a side of described code channel is the highest code channel.
5, resource allocation methods as claimed in claim 1, it is characterized in that, after giving the user by control channel with the message informing of available HS-PDSCH code channel resource, during the interval T frame, send business information to described user by this available HS-PDSCH code channel resource of distributing to the user.
6, resource allocation methods as claimed in claim 5 is characterized in that, described user during the K frame of interval, receives business information by this available HS-PDSCH code channel resource of distributing to self after knowing the available HS-PDSCH code channel resource of distribution.
7, a kind of method that obtains resource is characterized in that, may further comprise the steps:
Reception is used for the message of resource allocation and resolves;
Analyze the available HS-PDSCH code channel resource that distributes for self; The available HS-PDSCH code channel resource of described distribution is: according to default resource allocation order, a side of code channel is identified to code channel origin identification or code channel stops available HS-PDSCH code channel resource between the sign; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource with code channel.
8, method as claimed in claim 7, it is characterized in that, find that after resolving the code channel origin identification identifies greater than the code channel termination and the code channel origin identification does not represent that the highest sign of code channel resource and code channel stop identifying when not representing the minimum sign of code channel resource, adopt described resource allocation methods.
9, method as claimed in claim 8 is characterized in that, the available HS-PDSCH code channel resource on the time slot at the code channel resource place of control channel adopts described resource allocation methods than the available HS-PDSCH code channel resource on other time slot after a little while.
10, method as claimed in claim 7 is characterized in that, knows the message and the parsing of the available HS-PDSCH code channel resource of distribution by control channel, during the K frame of interval, receives business information by this available HS-PDSCH code channel resource of distributing to self.
11, a kind of network equipment is characterized in that, comprising:
Interface module is used to know available HS-PDSCH code channel resource;
Distribution module is used for according to default resource allocation order, a side of code channel resource is identified to the available HS-PDSCH code channel resource that code channel origin identification and code channel stop between the sign distributes to the user; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource respectively with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource respectively with code channel.
12, a kind of terminal side equipment is characterized in that, comprising:
Interface module is used to receive the message that is used for resource allocation and resolves;
Analysis module is used to analyze the available HS-PDSCH code channel resource that distributes into self; The available HS-PDSCH code channel resource of described distribution is: according to default resource allocation order, a side of code channel is identified to code channel origin identification or code channel stops available HS-PDSCH code channel resource between the sign; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource with code channel.
13, a kind of system is characterized in that, comprising:
Network equipment is used to know available HS-PDSCH code channel resource, and according to default resource allocation order, a side of code channel resource is identified to the available HS-PDSCH code channel resource that code channel origin identification and code channel stop between the sign distributes to the user; Wherein, stop the opposite side code channel sign that sign represents to be used to distribute in the time slot at code channel resource place of control channel the HS-PDSCH code channel resource respectively with code channel origin identification or code channel, stop the opposite side code channel sign that sign or code channel origin identification represent to be used in other time slot distribute to the HS-PDSCH code channel resource respectively with code channel;
Terminal side equipment is used to receive the message that is used for resource allocation and resolves, and analyzes the available HS-PDSCH code channel resource that distributes into self.
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| CN2008100571695A CN101500310B (en) | 2008-01-30 | 2008-01-30 | Resource distribution method and apparatus |
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| CN2008100571695A CN101500310B (en) | 2008-01-30 | 2008-01-30 | Resource distribution method and apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102387587A (en) * | 2010-08-30 | 2012-03-21 | 电信科学技术研究院 | Resource allocation method and device |
| WO2018133819A1 (en) * | 2017-01-20 | 2018-07-26 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for informing available resource for pdsch, method for determining available resource for pdsch, base station and ue |
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2008
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102387587A (en) * | 2010-08-30 | 2012-03-21 | 电信科学技术研究院 | Resource allocation method and device |
| CN102387587B (en) * | 2010-08-30 | 2014-05-07 | 电信科学技术研究院 | Resource allocation method and device |
| WO2018133819A1 (en) * | 2017-01-20 | 2018-07-26 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for informing available resource for pdsch, method for determining available resource for pdsch, base station and ue |
| TWI684377B (en) * | 2017-01-20 | 2020-02-01 | 大陸商Ｏｐｐｏ廣東移動通信有限公司 | Method for informing available resource for pdsch, method for determining available resource for pdsch, base station and ue |
| US10568122B2 (en) | 2017-01-20 | 2020-02-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for informing available resource for PDSCH, method for determining available resource for PDSCH, base station and UE |
| CN110855417A (en) * | 2017-01-20 | 2020-02-28 | Oppo广东移动通信有限公司 | Method, base station and UE for notifying and determining available resources of PDSCH |
| CN110855417B (en) * | 2017-01-20 | 2021-03-30 | Oppo广东移动通信有限公司 | Method, base station and UE for notifying and determining available resources of PDSCH |
| US11234258B2 (en) | 2017-01-20 | 2022-01-25 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for informing available resource for PDSCH, method for determining available resource for PDSCH, base station and UE |
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|---|---|
| CN101500310B (en) | 2011-04-13 |
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