CN101742658B - Method for allocating resource of enhanced district forward access channel in multi-carrier system - Google Patents

Method for allocating resource of enhanced district forward access channel in multi-carrier system Download PDF

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Publication number
CN101742658B
CN101742658B CN 200810226520 CN200810226520A CN101742658B CN 101742658 B CN101742658 B CN 101742658B CN 200810226520 CN200810226520 CN 200810226520 CN 200810226520 A CN200810226520 A CN 200810226520A CN 101742658 B CN101742658 B CN 101742658B
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resource
channel
cell
rnc
frequency point
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CN101742658A (en
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刘隽
陈慧
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2009/072134 priority patent/WO2010054550A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method for allocating resources of an enhanced district forward access channel in a multi-carrier system in order to solve the problem that the current multi-carrier system has unreasonable resource distribution. The method comprises the steps of: reallocating information via a physical sharing channel by a radio network controller (RNC), determining frequency point number and specific frequency point information for allocating the enhanced district forward access channel, informing a node B, establishing a public MAC flow on a carrier corresponding to the frequency point according to the frequency point information, and allocating resources required by the frequency point of the enhanced district forward access channel. The invention can determine a carrier frequency point of the channel resource in the CELL_FACH state according to the frequency point information supported by the node B in order to allocate resource for the multi-carrier system and promote the resource use ratio of the system.

Description

Strengthen the resource allocation method of cell forward access channel in the multicarrier system
Technical field
The present invention relates to the resource allocation method of a kind of enhancing cell forward access channel (CELL_FACH), relate in particular to the resource allocation method that strengthens cell forward access channel in a kind of multicarrier system.
Background technology
3G (Third Generation) Moblie partnership (3GPP) has been finished the standardization effort that the CELL_FACH state strengthens in Wideband Code Division Multiple Access (WCDMA) access (WCDMA) system at present.The CELL_FACH state strengthens by introducing high speed descending sharing channel (HS-DSCH at the CELL_FACH state, High SpeedDownlink Shared Channel) and strengthen special uplink channel (E-DCH, Enhanced uplink DCH) strengthens packet data transmission performance under the CELL_FACH state, to obtain less packet transfer delay and higher transmission rate.
After introducing enhancing CELL_FACH function, under the CELL_FACH state, data and control message can be mapped to HS-DSCH and upward transmission of E-DCH.In order to support this transmission, HS-DSCH and the E-DCH resource information used under the pre-configured CELL_FACH state of Iub interface needs comprise the transmission bearer of Iub mouth and the resource that HS-DSCH, E-DCH are correlated with.
In existing system, radio network controller (RNC) is interior HS-DSCH, E-DCH resource pool of Node B (Node B) allocating cell by the Physical Shared Channel reconfiguration course.Present configuration mode, a kind of RNC of being is cut apart HS-DSCH, the E-DCH resource in the residential quarter, a part of cell private channel (CELL_DCH) state that is used for, another part is used for the CELL_FACH state, because this configuration mode is the fixed configurations mode substantially, the resource that the user under the single user state and the user under the front access state distribute is fixing, when wherein a kind of user resources are nervous, also can not obtain more resource and distribute, be unfavorable for resource-sharing.Another kind method is to cut apart HS-DSCH, E-DCH resource by Node B, and equally that RNC is the pre-configured resource pool of Node B is divided into two parts, and different is that this two parts resource can semi-staticly be adjusted.Yet because the number of users grasp is limited in the residential quarter of Node B, the resource of telling is not necessarily optimized.This can't resolve the contradiction of resource unreasonable distribution equally, thereby causes the utilance of resource lower.
Summary of the invention
In view of this, main purpose of the present invention is to provide the resource allocation method that strengthens cell forward access channel in a kind of multicarrier system, can reasonably be the user resource allocation under the CELL_FACH state, and make things convenient for Node B realization to the monitoring of data traffic under the CELL_FACH state.
For achieving the above object, technical scheme of the present invention is achieved in that
Strengthen the resource allocation method of cell forward access channel in a kind of multicarrier system, may further comprise the steps:
Radio network controller (RNC) determines to strengthen in the residential quarter carrier number and the concrete frequency point information at resource place under the cell forward access channel CELL_FACH state, and by high-speed physical shared channel reconfiguration message notice Node B; And
Described Node B is set up public MAC stream at described frequency, and on described frequency allocation of channel resources may, and by high-speed physical shared channel reconfiguration response message described channel resource information is sent to described RNC.
Preferably, described RNC determines carrier number and the concrete frequency of needs configuration according to the number of users that strengthens CELL_FACH in the residential quarter.
Preferably, also comprise public MAC flow transmission layer address information and the identification information thereof that strengthens each frequency under the CELL_FACH state in the described high-speed physical shared channel reconfiguration response message.
Preferably, this method also comprises: the frequency point information of the enhancing CELL_FACH that described Node B is supported to described RNC reporting subdistrict.
Preferably, resource comprises the high speed downlink shared channel HS-DSCH related resource and strengthens special uplink channel E-DCH related resource under the described CELL_FACH state.
Preferably, described HS-DSCH related resource comprises: HS-DSCH shared control channel HS-SCCH, HS-DSCH share indicating channel HS-SICH; Described E-DCH related resource comprises: E-DCH absolute grant channel E-AGCH, enhancing high speed indicating channel E-HICH.
Preferably, this method also comprises: the HS-SCCH that described RNC disposes described Node B, HS-SICH, E-AGCH, E-HICH information informing user terminal UE.
Preferably, the employed E-DCH related resource of each user terminal and HS-DSCH related resource are configured on the same carrier wave.
The present invention is user terminal UE Resources allocation under the CELL_FACH state by RNC, because RNC can determine the UE quantity under the CELL_FACH state in the residential quarter accurately, therefore can come the channel resource under the CELL_FACH state in the reasonable distribution residential quarter at UE quantity, simultaneously, its frequency point information of supporting that can report according to Node B, determine the carrying frequency of the channel resource under the CELL_FACH state, this more is conducive to the resource distribution of multi-carrier communications systems, thereby has improved the resource utilization of system.In addition, the RNC of communication system of the present invention is when carrying out channel configuration, the public MAC stream information of channel resource is set simultaneously, so that the data traffic under the CELL_FACH state of Node B is monitored, when data traffic surpasses the utmost carrying ability of Node B more greatly, notice RNC reduces or stops data and transmits, and avoiding losing of data, thereby has improved the stability of system.
Description of drawings
Fig. 1 is the schematic flow sheet that strengthens the resource allocation method of cell forward access channel in the embodiment of the invention multicarrier system.
Embodiment
Core concept of the present invention is: be UE Resources allocation under the CELL_FACH state by RNC.Because RNC can determine the UE quantity under the CELL_FACH state in the residential quarter accurately, therefore can come the channel resource under the CELL_FACH state in the reasonable distribution residential quarter at UE quantity, simultaneously, its frequency point information of supporting that can report according to NodeB, determine the carrying frequency of the channel resource under the CELL_FACH state, this more is conducive to the resource distribution of multi-carrier communications systems, thereby has improved the resource utilization of system.In addition, the RNC of communication system of the present invention is when carrying out channel configuration, the public MAC stream information of channel resource pool is set simultaneously, so that the data traffic under the CELL_FACH state of Node B is monitored, when data traffic surpasses the utmost carrying ability of Node B more greatly, notice RNC reduces or stops data and transmits, and avoiding losing of data, thereby has improved the stability of system.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the schematic flow sheet that strengthens the resource allocation method of cell forward access channel in the embodiment of the invention multicarrier system, and as shown in Figure 1, the resource allocation method that strengthens cell forward access channel in the multicarrier system of the present invention may further comprise the steps:
Step 101:RNC need to determine frequency number and the frequency point information of configuration HS-DSCH, E-DCH related resource according to the number of users that strengthens CELL_FACH in the residential quarter, and passes through high-speed physical shared channel reconfiguration message notice Node B.
When RNC is defined as UE allocation of channel resources may under the CELL_FACH state, extract the carrier information of supporting to strengthen CELL_FACH in each residential quarter, i.e. frequency point information.Described frequency point information is that Node B reports to described RNC by Node B, this reports process to set up at Node B and has namely finished after debugging finishes, the mode that reports can be finished by audit response message or resource status Indication message, about reporting of message, and can be with reference to the agreement relevant regulations.That is to say that the RNC side has been stored the information of carrier wave that each residential quarter is supported.
RNC obtains the number of users for the treatment of resource distribution residential quarter, determine the channel resource situation that needs distribute according to number of users, for example, the user more for a long time, can dispose HS-DSCH and E-DCH related resource by a plurality of carrier waves in the residential quarter, to satisfy the message transmission rate of community user, improve the service quality of system.Strengthening under the CELL_FACH state, user uplink uses E-DCH related resource, descending use HS-DSCH related resource.Certainly, the method for salary distribution of channel resource, the number of users situation under the configured in one piece of the taking into account system of still needing, the CELL_DCH state.In case determine the frequency point information of required configuration, then by high-speed physical shared channel reconfiguration message notice Node B.
Table 1 shows the form of the applied high-speed physical shared channel of the present invention reconfiguration message:
IE/Group?Name Need Type Explain
The HS-FACH frequency point information 0..<maxnoofCommonMACFlows> MaxnoofCommonMACFlows: the maximum frequency number that the residential quarter is supported
>UARFCN Essential Carrier wave place frequency configuration
Public MAC traffic identifier Integer (0..7)
Public EMAC traffic identifier
...
Public MAC stream customizing messages 0..<maxnoofCommonMACFlows> MaxnoofCommonMACFlows: the maximum public MAC flow amount that system supports
Public MAC traffic identifier Essential Integer (0..7)
... ...
Public MAC flow priority queuing message 0..<maxnoofCommonMACQueues> MaxnoofCommonMACQueues: the maximum MAC number of queues that system supports
Strengthen priority query's information of FACH Essential Strengthen priority query's information of FACH, comprise priority query's sign, dispatching priority, abandon information such as timer
Public EMAC stream customizing messages
... ... ...
Table 1
Form shown in the table 1 is to form on the basis of agreement prescribed form, different is, " HS-FACH frequency point information ", " public EMAC stream customizing messages ", " public EMAC traffic identifier " " UARFCN " etc. have been increased, wherein, " HS-FACH frequency point information " is exactly to support to strengthen the carrier number of resource pool under the CELL_FACH state in the residential quarter, and the carrier number that each residential quarter is supported may be different." public EMAC traffic identifier " is used for public MAC stream set under the sign CELL_FACH state." UARFCN " is the abbreviation of the absolute wireless frequency channel number of UTRA (UTRA absolute radio FrequencyChannel Number), the needs that are RNC decision-making are set up the carrier information that strengthens resource under the CELL_FACH state, and it need to determine the carrier wave of configurating channel with " HS-FACH frequency point information ".As previously mentioned, RNC strengthens the frequency number that number of users determines to set up resource according to the average CELL_FACH in the residential quarter." public MAC stream customizing messages " and " public EMAC stream customizing messages " is the configuration information of Iub port transmission bearing, among the present invention, the frequency and the binding mutually of public MAC stream of CELL_FACH state lower channel will be strengthened, two effect: first RNC be can reach and frequency number and concrete frequency point information indicated to Node B, it two is with after MAC stream and the frequency binding, Node B can carry out traffic monitoring by frequency, when the volume of transmitted data of certain frequency place carrier wave exceeds the carrying of Node B more greatly, notice RNC reduces the data volume that issues to this carrier frequency, otherwise then notifies RNC to increase the data volume that issues.
The form that it will be appreciated by those skilled in the art that the high-speed physical shared channel reconfiguration message shown in the table 1 is to be the cited special case of explanation the solution of the present invention, is not for limiting the present invention.
Step 102: Node B is according to described frequency point information, at the carrier wave described HS-DSCH of configuration and the E-DCH related resource of described frequency correspondence.
After Node B receives the high-speed physical shared channel reconfiguration message that RNC sends, resolve and preserve the HS-DSCH of each frequency, the configuration information of E-DCH related resource, and distribute HS-DSCH, E-DCH related resource according to the HS-DSCH of each carrier wave of preserving, the configuration information of E-DCH related resource in corresponding carriers, simultaneously, set up the relevant public MAC stream of this carrier wave, to make things convenient for Node B the data traffic under the CELL_FACH state of this carrier wave is monitored.
The HS-DSCH related resource specifically comprises: HS-DSCH shared control channel (HS-SCCH), HS-DSCH share indicating channel (HS-SICH), High-Speed Physical Downlink Shared Channel (HS-PDSCH) etc.The E-DCH relevant resource pool comprises: E-DCH absolute grant channel (E-AGCH), enhancing high speed indicating channel (E-HICH) etc.
Need to prove that for making things convenient for intercepting of the carrier wave of UE, the employed E-DCH related resource of single UE and HS-DSCH related resource must be configured on the same carrier wave.
Step 103: after Node B is finished resource distribution, will be configured in the public MAC flow transmission layer address information notice RNC of related resource information and each carrier wave correspondence of each carrier wave by high-speed physical shared channel reconfiguration response message.
If the message of configuration successful is then returned in Node B Resources allocation success to RNC, otherwise, the message of configuration failure returned.Specifically carry by high-speed physical shared channel reconfiguration response message.
Step 104:RNC disposes HS-SCCH, the HS-SICH of HS-DSCH related resource with described Node B, the E-AGCH of E-DCH related resource, E-HICH information notice UE.
RNC is notified to UE with the relevant information of the HS-DSCH of Node B configuration successful and HS-SCCH, HS-SICH in the E-DCH related resource, E-AGCH, E-HICH, the frequency point information that also is about to carry HS-SCCH, HS-SICH, E-AGCH, E-HICH is notified to UE, to make things convenient for UE to finish HS-SCCH, HS-SICH are intercepted, thus the access of realization CELL_FACH state.For making things convenient for intercepting of the carrier wave of UE, the employed E-DCH resource of single UE and HS-DSCH resource distribution are on same carrier wave.When reporting resource allocation information, also public MAC flow transmission layer address is reported to RNC, to make things convenient for RNC to finish the data traffic between the Node B is controlled.
The present invention is particularly suitable in the various multicarrier systems, in the multicarrier system as TD SDMA (TD-SCDMA, Time Division Synchronous Code Division Multiple Access).
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.

Claims (8)

1. strengthen the resource allocation method of cell forward access channel in the multicarrier system, it is characterized in that, may further comprise the steps:
Radio network controller (RNC) determines to strengthen in the residential quarter carrier number and the concrete frequency point information at resource place under the cell forward access channel CELL_FACH state, and by high-speed physical shared channel reconfiguration message notice Node B; And
Described Node B is set up public MAC stream at described frequency, and on described frequency allocation of channel resources may, and by high-speed physical shared channel reconfiguration response message described channel resource information is sent to described RNC.
2. method according to claim 1 is characterized in that, described RNC determines carrier number and the concrete frequency of needs configuration according to the number of users that strengthens CELL_FACH in the residential quarter.
3. method according to claim 1 is characterized in that, also comprises the public MAC flow transmission layer address information and the identification information thereof that strengthen each frequency under the CELL_FACH state in the described high-speed physical shared channel reconfiguration response message.
4. method according to claim 1 is characterized in that, this method also comprises: the frequency point information of the enhancing CELL_FACH that described Node B is supported to described RNC reporting subdistrict.
5. method according to claim 1 is characterized in that, resource comprises the high speed downlink shared channel HS-DSCH related resource and strengthens special uplink channel E-DCH related resource under the described CELL_FACH state.
6. method according to claim 5 is characterized in that, described HS-DSCH related resource comprises: HS-DSCH shared control channel HS-SCCH, HS-DSCH share indicating channel HS-SICH; Described E-DCH related resource comprises: E-DCH absolute grant channel E-AGCH, enhancing high speed indicating channel E-HICH.
7. method according to claim 6 is characterized in that, this method also comprises: the HS-SCCH that described RNC disposes described Node B, HS-SICH, E-AGCH, E-HICH information informing user terminal UE.
8. method according to claim 7 is characterized in that, the employed E-DCH related resource of each user terminal and HS-DSCH related resource are configured on the same carrier wave.
CN 200810226520 2008-11-13 2008-11-13 Method for allocating resource of enhanced district forward access channel in multi-carrier system Active CN101742658B (en)

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PCT/CN2009/072134 WO2010054550A1 (en) 2008-11-13 2009-06-04 Method and apparatus for resource configuration of enhanced cell forward access channel in multi-carrier system

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CN101959216B (en) * 2009-07-20 2014-06-18 电信科学技术研究院 Method, system and device for enhancing CELL_FACH (Cell Forward Access Channel) by carrier wave configuration
CN102791030A (en) * 2011-05-19 2012-11-21 中兴通讯股份有限公司 Adjusting method and adjusting system for public enhanced dedicated channel (E-DCH) resources
CN102957652A (en) * 2011-08-22 2013-03-06 华为技术有限公司 Secondary carrier activating method, terminal and base station
FR2979784A1 (en) * 2011-09-02 2013-03-08 France Telecom CHANNEL SELECTION METHOD, WIFI EQUIPMENT AND CORRESPONDING COMPUTER PROGRAM
CN104113845B (en) * 2013-04-22 2019-05-28 电信科学技术研究院 A kind of method of resource negotiation, system and equipment

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