CN101938726B - 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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- CN101938726B CN101938726B CN 200910088058 CN200910088058A CN101938726B CN 101938726 B CN101938726 B CN 101938726B CN 200910088058 CN200910088058 CN 200910088058 CN 200910088058 A CN200910088058 A CN 200910088058A CN 101938726 B CN101938726 B CN 101938726B
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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 signal transmission technology in the mobile communication system, the uplink resource allocating method that particularly relates to a kind of transmission method of up signaling and utilize the method to realize.
Background technology
In the existing mobile communication system, the base station is that the 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 accesses ascending control channel at random), RACH (Random Access Channel) mode sends to base station (NodeB) with uplink scheduling request information, determines whether distribute ascending resource to this subscriber equipment (UE) by NodeB according to this uplink scheduling request information.Because RACH, E-RUCCH are common signal channel, carry out the possibility that resource request exists conflict or collision by these channels, need to re-start the RACH access after the conflict, thereby cause access delay larger.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 transmission, 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 a kind of distribution method of transmission method and a kind of ascending resource of up signaling, 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 transmission method of up signaling, the method may further comprise the steps:
A, network, are reserved the code channel resource of the shared feedback channel (HS-SICH) of high-speed down data access technology and are also notified to described UE for supporting the UE of multiple-input and multiple-output (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, be used for the signaling that assistant base station carries out descending scheduling to base-station transmission, 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 disturbs control to base-station transmission.
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 access the physical layer signaling that ascending control channel (E-RUCCH) carries at random.
Preferably, described up signaling comprises: the path loss difference measured value of the Serving cell of described UE and adjacent cell.
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 also 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 disturbs control, and described up signaling comprises the activation of service that is used to indicate 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 of the activation of service that is used to indicate described UE, is that described UE distributes ascending resource.
In sum, the transmission method of the up signaling that the present invention proposes and the distribution method of ascending resource, characteristics for single stream transmission in the high-speed data access evolution technology (HSPA+), idle code channel when utilizing single-stream transmission on the HSPA+HS-SICH, transmit needed up signaling when carrying out that ascending resource distributes or disturbing control for assistant base station, 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, this is used to indicate the signaling of mourning in silence or activating to the base station, and making the base station can according to this signaling, only just be that described UE distributes ascending resource when the activation of service of UE, 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 the transmission method of the up signaling 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.
In the TD-SCDMA system of existing introducing high-speed data access evolution technology (HSPA+), utilize the shared feedback channel (Shared Information Channel forHS-DSCH, HS-SICH) of high-speed down data access technology to carry out the feedback of up signaling.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 respectively the spread spectrum code resources carry information of SF=16, 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 namely 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 assistant base station and carries out the ascending resource distribution or disturb needed up signaling when controlling, 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 the transmission method of the up signaling of the present invention, and as shown in Figure 2, the method mainly may further comprise the steps:
In actual applications, network is to notify the code channel resource of the HS-SICH that reserves to UE by high-level signaling, 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 be that Node B distributes the HSDPA control channels such as HS-SCCH, HS-SICH by RNC in existing system, and wherein, the stock number of reserving for part HS-SICH is 2 SF=16 spread spectrum code channels; For the UE that supports simultaneously MIMO and CPC, it is that the HS-SICH of 2 SF=16 spread spectrum code channels dispatches that Node B will utilize the stock number of this reservation, that is to say, will reserve according to double-current feedback model the code channel resource of HS-SICH 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 transmission, 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 the ascending resource up signaling of distributing or the up signaling that is used for disturbing control.In actual applications, described up signaling for disturbing 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, the transmitting power of the ascending resource that distributes according to the up signaling setting of this interference control 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 first, after UE is known the HS-PDSCH resource of distributing, block size and the modulation system transmitted to the next time of Node B feeding back ACK/NCK and suggestion by HS-SICH at up direction again.In said process, whether available free the indication information of the single double fluid of relevant HS-PDSCH that UE carries according to HS-SCCH can know on the HS-SICH code channel resource.
In actual applications, describedly carry out uplink scheduling or be used for to disturb the up signaling of control to comprise for assistant base station: be used to indicate physical layer signaling that signaling, uplink scheduling request information, E-UCCH or the E-RUCCH of described UE side Buffer data volume carry and/or the path loss difference measured value of Serving cell and adjacent cell, 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 cell is a kind of up signaling for disturbing control, and in actual applications, described up signaling for disturbing control is not limited to this 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 large 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 such as the VoIP business, namely in the talk process of both call sides, the opposing party often kept mourning in silence when one side spoke (namely 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 with resource and distribute according to this business, namely 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 the 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 indication signaling of mourning in silence/activating by setting, and this is used to indicate the signaling of mourning in silence/activating to the base station, so that the base station determines whether to be described UE Resources allocation accordingly by described idle code channel resource.Based on above-mentioned thought, the present invention proposes another kind of a kind of uplink resource allocating method of realizing based on the transmission method of above-mentioned up signaling, below in conjunction with Fig. 3 the 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, the method comprises:
In this step, from 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 for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. the transmission method of a up signaling is characterized in that, the method may further comprise the steps:
A, network, are reserved the code channel resource of the shared feedback channel HS-SICH of high-speed down data access technology and are also notified to described UE for supporting the user equipment (UE) of multiple-input and multiple-output 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, be used for the signaling that assistant base station carries out descending scheduling to base-station transmission, 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 disturbs control to base-station transmission;
Described up signaling comprises: signaling, E-DCH ascending control channel E-UCCH or the E-DCH that be used to indicate the activation of service of described UE or the signaling of mourning in silence, is used to indicate described UE side Buffer data volume accesses any one combination in the path loss difference measured value of the Serving cell of physical layer signaling that ascending control channel E-RUCCH carries and described UE and adjacent cell at random.
2. the distribution method of an ascending resource is characterized in that, said method comprising the steps of:
A, network, are reserved the code channel resource of the shared feedback channel HS-SICH of high-speed down data access technology and are also notified to described UE for supporting the user equipment (UE) of multiple-input and multiple-output 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 disturbs control, and described up signaling comprises the activation of service that is used to indicate 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 of the activation of service that is used to indicate described UE, is that described UE distributes ascending resource.
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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 |
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 |
CN104426633B (en) * | 2013-09-10 | 2017-12-15 | 华为技术有限公司 | Transmission method, user equipment and the network side equipment of ascending 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 |
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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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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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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