CN101938726A - Uplink signaling transmission method and uplink resource allocation method - Google Patents
Uplink signaling transmission method and uplink resource allocation method Download PDFInfo
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- CN101938726A CN101938726A CN2009100880585A CN200910088058A CN101938726A CN 101938726 A CN101938726 A CN 101938726A CN 2009100880585 A CN2009100880585 A CN 2009100880585A CN 200910088058 A CN200910088058 A CN 200910088058A CN 101938726 A CN101938726 A CN 101938726A
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Abstract
The invention discloses an uplink signaling transmission method and an uplink resource allocation method, wherein, the transmission method comprises the following steps: a. a network reserves code channel resources of a shared feedback channel (HS-SICH) using a high-speed downlink data access technology for UE which supports an MIMO function according to a double-flow feedback mode and informs the UE; and b. when the UE adopts single-flow transmission, the UE transmits a signaling for assisting a base station with downlink scheduling to the base station by utilizing code channel resources of the HS-SICH according to a single-flow mode, and transmits an uplink signaling for assisting the base station with uplink scheduling or interference control to the base station by the unused code channel resources in the reserved code channel resources. The invention can reduce access delay when the base station carries out uplink resource allocation and avoid waste of the code channel resources.
Description
Technical field
The present invention relates to the control signaling transmission technology in the mobile communication system, the uplink resource allocating method that particularly relates to a kind of uplink signalings method and utilize this method to realize.
Background technology
In the existing mobile communications system, the base station is that information such as the Buffer data volume size of carrying in the UE dispatch request information (SI), service priority are carried out uplink scheduling according to the up signaling of UE transmission usually.For example, in the TD-SCDMA system, adopt E-RUCCH (E-DCH Random AccessUplink Control Channel, E-DCH inserts ascending control channel at random), whether RACH (Random Access Channel) mode sends to base station (NodeB) with the uplink scheduling solicited message, distribute ascending resource to give this subscriber equipment (UE) by NodeB according to this uplink scheduling solicited message decision.Because RACH, E-RUCCH are common signal channel, carry out the possibility that resource request exists conflict or collision by these channels, need to carry out again RACH after the conflict and insert, thereby cause access delay bigger.In addition, this mode needs system to reserve E-RUCCH, RACH resource, therefore, has the problem of waste code channel resource.
This shows, existing to the above-mentioned uplink control signaling mode of base station transmits, can cause the base station to carry out ascending resource and divide the timing access delay longer, and to the waste of code channel resource.
Summary of the invention
In view of this, main purpose of the present invention is to provide the distribution method of a kind of uplink signalings method and a kind of ascending resource, can reduce the base station and carry out the access delay that ascending resource divides timing, can avoid the waste to code channel resource simultaneously.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of uplink signalings method, this method may further comprise the steps:
A, network are according to double-current feedback model, and for supporting the UE of multiple-input and multiple-output (MIMO) function, the code channel resource of the shared feedback channel (HS-SICH) of reservation high-speed down data access technology also is notified to described UE;
B, when described UE is single-stream transmission, described UE is according to the code channel resource of the described HS-SICH of single-stream mode utilization reservation, be used for the signaling that assistant base station carries out descending scheduling to base station transmits, utilize untapped code channel resource in the described code channel resource of reserving, be used for the up signaling that assistant base station carries out uplink scheduling or Interference Control to base station transmits.
Preferably, described up signaling comprises: be used to indicate the activation of service of described UE or the signaling of mourning in silence.
Preferably, described up signaling comprises: the signaling that is used to indicate described UE side Buffer data volume.
Preferably, described up signaling comprises: E-DCH ascending control channel (E-UCCH) or E-DCH insert the physical layer signaling that ascending control channel (E-RUCCH) is carried at random.
Preferably, described up signaling comprises: the path loss difference measured value of the Serving cell of described UE and adjacent sub-district.
A kind of distribution method of ascending resource said method comprising the steps of:
A, network, are reserved the code channel resource of HS-SICH and are notified to described UE for supporting the UE of MIMO function according to double-current feedback model;
B, when described UE is single-stream transmission, described UE is according to the code channel resource of the described HS-SICH of single-stream mode utilization reservation, transmission is used for the signaling that assistant base station carries out descending scheduling, utilize untapped code channel resource in the described code channel resource of reserving, transmission is used for the up signaling that assistant base station carries out uplink scheduling or Interference Control, and described up signaling comprises and is used in reference to activation of service that shows described UE or the signaling of mourning in silence;
C, and if only if, and the base station judges described up signaling when comprising the signaling that is used in reference to the activation of service that shows described UE, is that described UE distributes ascending resource.
In sum, the uplink signalings method that the present invention proposes and the distribution method of ascending resource, insert the characteristics of single stream transmission in the evolution technology (HSPA+) at high-speed data, idle code channel when utilizing single-stream transmission on the HSPA+HS-SICH, transmit and be used for that assistant base station carries out that ascending resource distributes or needed up signaling during Interference Control, like this, owing to do not need to distribute extraly code channel resource, therefore, can effectively avoid the base station to carry out the long problem of access delay that ascending resource divides timing to occur, simultaneously, also can avoid waste to code channel resource.In addition, the distribution method of ascending resource of the present invention, by utilizing described idle code channel resource, be used to indicate the signaling of mourning in silence or activating to give the base station this, making the base station can only just be that described UE distributes ascending resource when the activation of service of UE according to this signaling, and when the business of UE is mourned in silence, be no longer that then it distributes ascending resource, like this, can improve ascending resource utilance, make the more UE of system bearing.
Description of drawings
Fig. 1 is the structural representation of HSPA+HS-SICH;
Fig. 2 is the flow chart of uplink signalings method of the present invention;
Fig. 3 is the flow chart of the distribution method of ascending resource of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
The existing introducing in the TD-SCDMA system that high-speed data inserts evolution technology (HSPA+), (Shared Information Channel forHS-DSCH HS-SICH) carries out the feedback of up signaling to utilize the shared feedback channel of high-speed down data access technology.Because existing system both can support single-stream transmission also can support the MIMO stream transmission, corresponding, the structure of HSPA+HS-SICH also both can support single-stream transmission also can support stream transmission.
Single-stream transmission is different with the spread spectrum yardage of the needed HS-SICH feedback channel of stream transmission.During single-stream transmission, spreading code (SF) number that actual needs uses is 1 SF=16 spreading code; During stream transmission, the spread spectrum yardage that needs to use is 2 SF=16 spreading codes or a SF=8 spreading code.But, because radio resource manager (RNC) is for Node B configuration HS-SICH the time, whether can't know has MIMO UE and MIMO UE to adopt single current or stream transmission, therefore, RNC can only be the pre-configured HS-SICH resource of Node B according to the SF=8 of maximum among this Node B.Like this, for the business of stream transmission, when utilizing HS-SICH to carry feedback information or upstream data, the feedback information of two data flow uses the spread spectrum code resources of SF=16 to carry information respectively, and for the business of single-stream transmission, then only use one of them SF=16 spread spectrum code resources to feed back, another is then idle for the SF=16 spread spectrum code resources that HS-SICH reserves, and promptly becomes bell idles road (referring to shown in Figure 1).
And the VoIP business that the continuous data bag connects in (CPC) technology only adopts single-stream transmission, and therefore, there is idle spread spectrum code resources in the VoIP business among this HS-SICH when using HS-SICH.
Based on this, main thought of the present invention is: the idle code channel when utilizing single-stream transmission on the HSPA+HS-SICH, transmission is used for that assistant base station carries out that ascending resource distributes or needed up signaling during Interference Control, like this, owing to do not need to distribute extraly code channel resource, can effectively avoid the base station to utilize described up signaling to carry out the long problem of access delay that ascending resource divides timing to occur, simultaneously, code channel resource also can avoid waste.
Fig. 2 is the flow chart of uplink signalings method of the present invention, and as shown in Figure 2, this method mainly may further comprise the steps:
In actual applications, network is by high-level signaling the code channel resource of the HS-SICH that reserved to be notified to UE, and the concrete grammar of described notice is that those skilled in the art are known, does not repeat them here.
Here need to prove, is to distribute HSDPA control channels such as HS-SCCH, HS-SICH for Node B by RNC in existing system, wherein, and for section H S-SICH reserved resource amount is 2 SF=16 spread spectrum code channels; For the UE that supports MIMO and CPC simultaneously, it is that the HS-SICH of 2 SF=16 spread spectrum code channels dispatches that Node B will utilize this reserved resource amount, that is to say, will reserve the code channel resource of HS-SICH according to double-current feedback model for this UE.
In this step, described UE utilizes the code channel resource of described HS-SICH according to single-stream mode, and transmission is used for the concrete grammar of the signaling of downlink data transmission, and is known for those skilled in the art, do not repeat them here.
Here, as previously mentioned, in actual applications for the business such as VoIP business of single-stream transmission, described UE only uses the code channel resource of a SF=16 in 2 SF=16 spread spectrum code channels of described HS-SICH, be used for the signaling that assistant base station carries out descending scheduling to base station transmits, the code channel resource of another one SF=16 does not then use, the present invention is called idle code channel resource, in this step, utilizing this free time code channel resource to transmit assistant base station, to carry out uplink scheduling be ascending resource up signaling of distributing or the up signaling that is used for Interference Control.In actual applications, the described up signaling that is used for Interference Control is carried out the control of uplink interference except auxiliary Node B, also can be used for assistant base station and carry out uplink scheduling, for example, up signaling according to this Interference Control is provided with transmitting power of the ascending resource that is distributed etc., it is known to be specially those skilled in the art, does not repeat them here.
Need to prove, descending scheduling indicating channel (HS-SCCH) is that pairing is used with HS-SICH in existing system, Node B is the HS-PDSCH resource of its distribution by sending HS-SCCH notice UE earlier, after UE is known the HS-PDSCH resource of being distributed, again at up direction by block size and the modulation system of HS-SICH to transmission next time of Node B feeding back ACK/NCK and suggestion.In said process, UE can know according to the single double-current indication information of relevant HS-PDSCH that HS-SCCH carries whether idle code channel resource is arranged on the HS-SICH.
In actual applications, describedly be used for the up signaling that assistant base station carries out uplink scheduling or be used for Interference Control and can comprise: be used to indicate the signaling, uplink scheduling solicited message of described UE side Buffer data volume, physical layer signaling that E-UCCH or E-RUCCH carried and/or the path loss difference measured value of Serving cell and adjacent sub-district, that is to say it to be arbitrary combination of above-mentioned signaling or information.Wherein, the path loss difference measured value (SNPL) of Serving cell and adjacent sub-district is a kind of up signaling that is used for Interference Control, and in actual applications, the described up signaling that is used for Interference Control is not limited thereto signaling.
In this step, owing to do not need for transmitting the extra distribution code channel resource of described upstream control signaling, therefore can not waste code channel resource, the problem of channel confliction or collision occurs in the time of simultaneously also can effectively avoiding UE to carry out resource request, thereby overcome the big problem of uplink scheduling access delay that may occur in the prior art.
Has the relatively stable and professional characteristic that activation is arranged and mourn in silence of service traffics because the real-time, interactive class in the CPC technology is professional at present as the VoIP business, promptly in the talk process of both call sides, the opposing party often kept mourning in silence when one side spoke (promptly activating), and existing statistics shows that the activation probability of voice user is about 50%.Therefore, if mourning in silence or activate characteristic and dispatch flexibly and resource allocation according to this business, promptly only when activating, voiceband user carries out the distribution of resource, that carries out resource when mourning in silence reshuffles or regains resource, to more meet the traffic performance of real-time, interactive class business such as VoIP, thus can obtain to improve resource utilance, make the further effect of system bearing more users.
Therefore, the present invention can also be specifically designed to the signaling that indication is mourned in silence/activated by setting, and is used to indicate the signaling of mourning in silence/activating to give the base station this by described idle code channel resource, so that the base station determines whether to be described UE Resources allocation in view of the above.Based on above-mentioned thought, the present invention proposes another kind of a kind of uplink resource allocating method of realizing based on above-mentioned uplink signalings method, below in conjunction with Fig. 3 this method is elaborated.
Fig. 3 is the flow chart of the distribution method of ascending resource of the present invention.As shown in Figure 3, this method comprises:
In this step, with existing base station carry out the method for uplink scheduling different be, the base station only just is that described UE distributes ascending resource when the activation of service of described UE, that is to say, when the business of described UE is mourned in silence, be no longer that then it distributes ascending resource, like this, can improve ascending resource utilance, make the more UE of system bearing.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a uplink signalings method is characterized in that, this method may further comprise the steps:
A, network are according to double-current feedback model, and for supporting the subscriber equipment (UE) of multiple-input and multiple-output (MIMO) function, the code channel resource of the shared feedback channel (HS-SICH) of reservation high-speed down data access technology also is notified to described UE;
B, when described UE is single-stream transmission, described UE is according to the code channel resource of the described HS-SICH of single-stream mode utilization reservation, be used for the signaling that assistant base station carries out descending scheduling to base station transmits, utilize untapped code channel resource in the described code channel resource of reserving, be used for the up signaling that assistant base station carries out uplink scheduling or Interference Control to base station transmits.
2. transmission method according to claim 1 is characterized in that, described up signaling comprises: be used to indicate the activation of service of described UE or the signaling of mourning in silence.
3. transmission method according to claim 1 is characterized in that, described up signaling comprises: the signaling that is used to indicate described UE side Buffer data volume.
4. transmission method according to claim 1 is characterized in that, described up signaling comprises: E-DCH ascending control channel (E-UCCH) or E-DCH insert the physical layer signaling that ascending control channel (E-RUCCH) is carried at random.
5. transmission method according to claim 1 is characterized in that, described up signaling comprises: the path loss difference measured value of the Serving cell of described UE and adjacent sub-district.
6. the distribution method of an ascending resource is characterized in that, said method comprising the steps of:
A, network are according to double-current feedback model, and for supporting the subscriber equipment (UE) of multiple-input and multiple-output (MIMO) function, the code channel resource of the shared feedback channel (HS-SICH) of reservation high-speed down data access technology also is notified to described UE;
B, when described UE is single-stream transmission, described UE is according to the code channel resource of the described HS-SICH of single-stream mode utilization reservation, transmission is used for the signaling that assistant base station carries out descending scheduling, utilize untapped code channel resource in the described code channel resource of reserving, transmission is used for the up signaling that assistant base station carries out uplink scheduling or Interference Control, and described up signaling comprises and is used in reference to activation of service that shows described UE or the signaling of mourning in silence;
C, and if only if, and the base station judges described up signaling when comprising the signaling that is used in reference to the activation of service that shows described UE, is that described UE distributes ascending resource.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024836A (en) * | 2011-09-20 | 2013-04-03 | 中兴通讯股份有限公司 | Reception control method and device in cell handover process |
| CN103379633A (en) * | 2012-04-20 | 2013-10-30 | 中兴通讯股份有限公司 | Method and device for allocating high-speed shared control channel code resources |
| WO2015035910A1 (en) * | 2013-09-10 | 2015-03-19 | 华为技术有限公司 | Uplink control information transmission method, user equipment, and network-side device |
| CN107026723A (en) * | 2016-02-02 | 2017-08-08 | 电信科学技术研究院 | A kind of method and apparatus of transmitting uplink control information |
| CN107333336A (en) * | 2017-06-19 | 2017-11-07 | 上海华为技术有限公司 | A kind of method, base station and terminal for sending targeting sequencing on a random access channel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1855762A (en) * | 2005-04-25 | 2006-11-01 | 中兴通讯股份有限公司 | Method for increasing uploading system capacity of WCDMA multiple I/O terminal system |
| CN101277165A (en) * | 2007-03-30 | 2008-10-01 | 北京三星通信技术研究有限公司 | MIMO-MMSE-SIC-HARQ communication system |
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2009
- 2009-07-01 CN CN 200910088058 patent/CN101938726B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024836A (en) * | 2011-09-20 | 2013-04-03 | 中兴通讯股份有限公司 | Reception control method and device in cell handover process |
| CN103024836B (en) * | 2011-09-20 | 2018-03-02 | 中兴通讯股份有限公司 | Acceptance controlling method and device in cell switch process |
| CN103379633A (en) * | 2012-04-20 | 2013-10-30 | 中兴通讯股份有限公司 | Method and device for allocating high-speed shared control channel code resources |
| CN103379633B (en) * | 2012-04-20 | 2017-02-08 | 中兴通讯股份有限公司 | Method and device for allocating high-speed shared control channel code resources |
| WO2015035910A1 (en) * | 2013-09-10 | 2015-03-19 | 华为技术有限公司 | Uplink control information transmission method, user equipment, and network-side device |
| CN107026723A (en) * | 2016-02-02 | 2017-08-08 | 电信科学技术研究院 | A kind of method and apparatus of transmitting uplink control information |
| CN107026723B (en) * | 2016-02-02 | 2020-10-09 | 电信科学技术研究院 | Method and equipment for transmitting uplink control information |
| CN107333336A (en) * | 2017-06-19 | 2017-11-07 | 上海华为技术有限公司 | A kind of method, base station and terminal for sending targeting sequencing on a random access channel |
| CN107333336B (en) * | 2017-06-19 | 2020-11-10 | 上海华为技术有限公司 | Method, base station and terminal for sending leader sequence on random access channel |
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