CN101094166A - Method of assigning wireless resources for multicarrier, high speed down going packet access - Google Patents
Method of assigning wireless resources for multicarrier, high speed down going packet access Download PDFInfo
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- CN101094166A CN101094166A CNA2006100893401A CN200610089340A CN101094166A CN 101094166 A CN101094166 A CN 101094166A CN A2006100893401 A CNA2006100893401 A CN A2006100893401A CN 200610089340 A CN200610089340 A CN 200610089340A CN 101094166 A CN101094166 A CN 101094166A
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Abstract
The method is used in TD-SCDMA system with multi carrier resource and applied with HSDPA technology. It comprises: 1) RNC sends the QoS information correlated to the service requested by user end to Node B; 2) according to the QoS information and the load state of HSDPA on all carriers, Node B initially allocates HSDPA carrier resource, and sends the allocation result to RNC.
Description
Technical field
The present invention relates to field of wireless communication, particularly relate to and insert in TD SDMA that (TimeDivision Code Synchronization Division Multiple Access TD-SCDMA) in the system is the method for multi carrier wave high-speed downlink packet access HSDPA (High Speed Downl ink Packet Access) distributing radio resource.
Background technology
A disequilibrium that important feature is the traffic carrying capacity of professional uplink and downlink link of 3-G (Generation Three mobile communication system), the traffic carrying capacity of down link will general traffic carrying capacity greater than up link.At this demand, 3GPP (3rd Generation Partnership Project, third generation partner plan) has introduced high speed downlink packet access (HSDPA:High Speed Downlink Packet Access) characteristic in the 3G standard.In the HSDPA characteristic, by introducing adaptive coding and modulating (AMC:Adaptive Modulation andCoding), mixing automatic repeat requests (HARQ:Hybrid Automatic RetransmissionRequest) technology and the relevant technology that reduces the network processes time delay, the downlink grouping traffic speed of higher rate is provided, improves spectrum utilization efficiency.
In the HSDPA technology, newly introduced HS-DSCH---high speed downlink shared channel HS-DSCH (HighSpeed Downlink Shared Channel) and MAC-hs sublayer.MAC-hs realizes in NodeB at network side, and each sub-district has a MAC-hs entity, and MAC-hs not only finishes the HS-DSCH data processing, is responsible for the management and the scheduling of HSDPA radio physical resource simultaneously.
In the HSDPA of TD-SCDMA system technology, the new wireless physical channel resource of introducing comprises: high-speed physical downlink is shared physical channel HS-PDSCH (High Speed Physical Downlink SharedChannel), high-speed shared control channel HS-SCCH (Shared Control Channel for HS-DSCH) and high-speed shared information channel HS-SICH (Shared Information Channel for HS-DSCH).These three kinds of physical channels all are that the TTI (Transmission Time Interval, Transmission Time Interval) with 5ms dispatches distribution for unit.Wherein, HS-PDSCH is used for carrying user's business datum, HS-SCCH is used for carrying the phase related control information that control UE receives the HS-PDSCH channel, HS-SICH is used for carrying the feedback information of UE to its reception HS-PDSCH of Node B transmission channel, and each bar HS-SCCH channel is fixing corresponding one by one with a HS-SICH channel.Above-mentioned physical channel resources in sub-district is that the mode with resource pool is that a plurality of users share in the mode that time-division or sign indicating number divide in the sub-district.
In the HSDPA of TD-SCDMA system technology, the distribution method of wireless physical channel resource is: set up in the process at radio bearer, network side is 1～4 HS-SCCH of a UE static configuration, constitutes 1 HS-SCCH collection, and configuration simultaneously and every HS-SCCH be HS-SICH one to one.In carrying out data transmission procedure, each TTI (5ms), in the Node of network side B, at certain UE, select the HS-SCCH control information that HS-PDSCH is relevant to send to UE in above-mentioned set by MAC-hs, UE sends the reception condition feedback information to Node B on a HS-SICH channel of this HS-SCCH correspondence.
Above-described is about the HSPDA of TD-SCDMA system technology in the present 3GPP agreement.TD-SCDMA system in the 3GPP agreement is a single-carrier system at present, i.e. corresponding carrier frequency in sub-district, the spectrum width of single carrier frequency is 1.6M, because TD-SCDMA adopts the TDD mode of relative arrowband, theoretical peak speed on the single carrier wave can reach 2.8Mbps, available descending peak rate is on the low side on the single carrier wave, can not satisfy the demand of operator to the high-speed packet data service in future well.Therefore, need be that some technological improvements are carried out on the basis with single-carrier cell HSDPA technology, to satisfy operator's demand higher to high-speed packet data service.Adopting the multi-carrier HSDPA technology is good solution, multi-carrier HSDPA is exactly to allow the packet of a user's HSDPA to transmit on a plurality of carrier waves simultaneously, Node B can send on a plurality of carrier waves simultaneously, and UE can receive the data of HSDPA on a plurality of carrier waves.Owing to can provide the peak traffic speed of 2.8Mbps on the single carrier wave, so under the multicarrier situation, can improve single user's service rate greatly.In theory, N carrier wave worked simultaneously and can be provided the business up to N*2.8Mbps for the user.
A kind of feasible multi-carrier HSDPA scheme is as follows: based on multicarrier (N frequency) technology in " 2GHz TD-SCDMA digital mobile cellular telecommunication net " series standard of the HSDPA technology of the TD-SCDMA system in the 3GPP standard and the issue of the China national Ministry of Information Industry, system sets up a multi-carrier district, the above-mentioned HSDPA physical channel resources of configuration on a plurality of carrier waves, at network side, create a MAC-hs processing entities and manage HS-PDSCH channel resource on above-mentioned a plurality of carrier wave and many HS-SCCH and HS-SICH channel resource; When being user terminal original allocation HSDPA resource, by MAC-hs is that user terminal distributes one or more carrier resource, and be that each allocation of carriers is a pair of or many related with it to resource with the HS-SICH physical channel to HS-SCCH, be referred to as the HS-SCCH subclass; In carrying out data transmission procedure, MAC-hs entity among the network side Node B is the concrete HS-PDSCH physical channel on one or more carrier waves in one or more carrier waves of the above-mentioned distribution of user terminal selecting, to each carrier wave of choosing, many HS-SCCH and HS-SICH physical channel centering are selected relevant distribution control information and the receiving feedback information of HS-PDSCH physical channel on a pair of carrying and this carrier wave from distributing to this carrier wave is associated.
About the TD-SCDMA system resource allocation two kinds of methods are being arranged in the 3GPP agreement at present, a kind of is that RNC static allocation resource is arranged, and a kind of is that Node B dynamic assignment single carrier HSDPA service resources is arranged; And in above-mentioned multi-carrier HSDPA scheme, Node B also needs to be each HSDPA user terminal original allocation carrier resource, and the present invention will provide a kind of network side, comprises RNC and Node B, the method for original allocation HSDPA carrier resource.
Summary of the invention
Technical problem to be solved by this invention is, a kind of method for multi carrier wave high-speed downlink grouping access distributing radio resource is provided, and making the base station can be that each UE distributes the HSDPA carrier resource rightly.
To achieve these goals, the invention provides a kind of method, be used for having multi-carrier resource and used the TD-SCDMA system that high speed downlink packet inserts, comprising for multi carrier wave high-speed downlink grouping access distributing radio resource:
Step 1, RNC sends to Node B with the QoS information relevant with the business that user terminal is asked;
Step 2, Node B is this request original allocation HSDPA carrier resource according to the load condition of the HSDPA channel on described QoS information and all carrier waves, and allocation result is sent to RNC.
Described step 1 can be passed through: the request process that RNC utilizes the Radio Link of Iub interface in Node B initiation NBAP agreement to set up in process, synchronised radio link reconfigure set-up procedure or the asynchronous wireless links reconfiguration course is realized.
Described step 1 also comprises: RNC receives the message relevant with described business from core net node and obtains described QoS information.
In the described step 1, obtain described QoS information in RAB ASSIGNMENT REQUEST message, RELOCATION REQUEST message or the RAB MODIFY REQUEST message of RNC from Iu interface RANAP.
Described core net node comprises MSC, SGSN.
Described QoS information comprises: maximum bit rate and assurance bit rate.
Described step 1 also comprises: RNC is with described maximum bit rate and guarantee that bit rate is processed into comprehensive parameters and sends to Node B again.
Described step 1 also comprises: the user once asks a plurality of when professional, with the maximum bit rate of a plurality of business with guarantee the direct addition of bit rate, with addition and send to Node B.
Step for this request original allocation HSDPA carrier resource in the described step 2 also comprises: one or more meets the HSDPA carrier wave of these QoS information requirements for this request original allocation, and is each allocation of carriers a pair of or many HS-SCCH and HS-SICH physical channels to being associated with carrier wave.
Described RNC handles described maximum bit rate and guarantees that the rule of bit rate is: λ * maximum bit rate+(1-λ) * assurance bit rate, and wherein λ is a weighted factor, span is: 0≤λ≤1.
Among the present invention, the QoS information that RNC will be relevant with the business of being asked sends to Node B, is used as the important evidence of Node B when carrying out HSDPA carrier resource original allocation, thereby has optimized the carrier resource original allocation of Node B.
Description of drawings
Fig. 1 is UMTS system network architecture schematic diagram;
Fig. 2 is the flow chart of the wireless resource allocation methods of a kind of multi carrier wave high-speed downlink packet access technique of the present invention.
Embodiment
Describe feature of the present invention in detail below in conjunction with embodiment and accompanying drawing.
In the multi-carrier HSDPA technology, for with existing 3GPP standard in TD-SCDMA single carrier HSDPA technical compatibility, each also can only be used for distributing the HS-PDSCH physical channel resources on the carrier wave, i.e. a time slot and a code channel to HS-SCCH and HS-SICH physical channel.Therefore, also needing under the multicarrier environment at first is the traffic assignments carrier resource of being asked.So when user terminal is initiated service request, the multi-carrier HSDPA technology is being configured channel and is dividing timing, need carry out in two steps: the first step, HSDPA resource original allocation, be the carrier resource of user terminal original allocation HS-PDSCH physical channel, HS-SCCH that is associated with the carrier wave of HS-PDSCH physical channel and HS-SICH physical channel are to resource, and the DPCH resource of following; Second step: the HSDPA resource dynamic is distributed, promptly by HS-SCCH and HS-SICH physical channel, to real-time dynamic assignment HS-PDSCH time slot and code channel resource on the carrier wave of original allocation.
With compare about the distribution method of TD-SCDMA system resource in the present 3GPP agreement, Node B was carrying out for two steps during the first step in the collocation methods, wish to obtain professional relevant information, (existing distribution method does not need service related information) is more reasonably to distribute the HSDPA carrier resource for each user terminal.
The method of the network side original allocation HSDPA carrier resource in the multi-carrier HSDPA technology of a kind of TD-SCDMA system that involved in the present invention is, promptly be primarily aimed at the part of the above-mentioned first step, make Node B distribute the HSDPA carrier resource for each user terminal rightly.
Be illustrated in figure 1 as UMTS system network architecture schematic diagram.The 3G system is by CN (core net), and RAN (wireless access network) and user terminal three parts are formed.Wherein, core net CN is connected with the RNC (radio network controller) of wireless access network by the Iu interface, and RNC is connected with Node B by Iub interface again.Dispose one or more carrier wave between user terminal and the Node B, each carrier wave disposes one or more of high speed descending sharing channel HS-PDSCH and one or more of corresponding high-speed shared control channel HS-SCCH, high-speed shared information channel HS-SICH.
The method of original allocation HSDPA carrier resource of the present invention is consulted the flow chart of Fig. 2, comprises the steps:
Certain user terminal is initiated the request to certain business, and RNC receives this request and is responsible for this request and distributes the HSDPA resource.At this moment, RNC will be relevant with the business that this user terminal is initiated QoS (quality of service) information and prior art in the necessary information of setting up call path (not repeating them here) that existed, send to Node B (step 201), request Node B distributes the related resource of HSDPA for this user terminal.
Wherein, this can be accomplished in several ways to process that Node B sends QoS information, and for example: RNC initiates Radio Link in the NBAP agreement by Iub interface to Node B and sets up (Radio Link Setup) process, synchronised radio link reconfigure and prepare (Synchronised Radio Link ReconfigurationPreparation) process or asynchronous wireless links and reshuffle request process in (Asynchronised Radio LinkReconfiguration) process.
In addition, source about this QoS information, RNC can be from its core net node that receives, and obtains this QoS information in the relevant message of the business of initiating with this user terminal that comprises that MSC (mobile switching centre) or SGSN (Serving GPRS Support Node) send.These message relevant with the business that this user terminal is initiated comprise RAB ASSIGNMENT REQUEST in the Iu interface RANAP, RELOCATIONREQUEST, RAB MODIFY REQUEST message.
Wherein, QoS information comprises a lot of aspects, but mainly comprise relevant with the original carrier resource allocation: maximum bit rate (Maximum bit rate) and assurance bit rate (Guaranteed bit rate).Therefore, after receiving QoS information, RNC can and guarantee that bit rate information sends to Node B with maximum bit rate that should business.Certainly, RNC also can carry out integrated treatment to these two parameters, as becoming a comprehensive parameters according to following formula manipulation, and then sends to Node B.
λ * Maximum bit rate+ (1-λ) * Guaranteed bit rate, wherein λ is a weighted factor, span is: 0≤λ≤1.
At RNC in the HSDPA resource allocation request message that Node B initiates, if comprise a plurality of business, RNC need carry out integrated treatment with the qos parameter of a plurality of business, as with the maximum bit rate of a plurality of business with guarantee the direct addition of bit rate, then with the addition gained and send to Node B.
Node B is after the HSDPA resource allocation request message that receives the RNC transmission, the load condition of the HSDPA channel on all carrier waves that will be monitored with reference to this qos parameter information and with reference to Node B, one or more meets the HSDPA carrier wave of these QoS information requirements for this request original allocation, wherein each carrier wave all has a high speed descending sharing channel HS-PDSCH, and it is a pair of or many HS-SCCH and HS-SICH physical channel are associated with carrier wave to resource for each allocation of carriers, and other relevant HSDPA resource, Node B sends to RNC (step 202) with this HSDPA resource allocation result subsequently.The original allocation of this HSDPA carrier resource finishes.
With 128k PS territory business is example.When terminal and network negotiate are defined as terminal distribution 128k PS territory when professional, core net is initiated RAB (RAB) to RNC and is set up request, and Maximumbit rate that wherein should business is 128k, and Guaranteed bit rate is 0.RNC is defined as this traffic assignments HSDPA resource, initiates the HSDPA resource allocation request to Node B in Radio Link foundation/reallocation message, and comprising this QoS of survice information: Maximum bit rate is 128k, and Guaranteed bit rate is 0.Node B is defined as this business distributing 2 carrier frequency resources (having disposed the HSDPA resource on 3 carrier waves of system in 3 carrier cells) on carrier wave 2 and the carrier wave 3 according to QoS information, is that two carrier resources distribute 2 couples of HS-SCCH and HS-SICH physical channel to resource respectively on carrier wave 2 simultaneously.
The advantage that the present invention had is that the QoS information that RNC will be relevant with the business of being asked sends to Node B, is used as the important evidence of Node B when carrying out HSDPA carrier resource original allocation, thereby has optimized the carrier resource original allocation of Node B.
The various embodiments described above are only in order to illustrate characteristics of the present invention, make those of ordinary skill in the art can understand content of the present invention and enforcement according to this, be not to be used to limit scope of the present invention, the equivalent modifications of dying all not departing from the scope of the present invention and finishing still is included in claims of the following stated.
Claims (10)
1, a kind of method for multi carrier wave high-speed downlink grouping access distributing radio resource is used for having multi-carrier resource and has used the TD-SCDMA system that high speed downlink packet inserts, and it is characterized in that, comprising:
Step 1, RNC sends to Node B with the QoS information relevant with the business that user terminal is asked;
Step 2, Node B is this request original allocation HSDPA carrier resource according to the load condition of the HSDPA channel on described QoS information and all carrier waves, and allocation result is sent to RNC.
2, the method for claim 1 is characterized in that, step 1 can be passed through:
The request process that RNC utilizes the Radio Link of Iub interface in Node B initiation NBAP agreement to set up in process, synchronised radio link reconfigure set-up procedure or the asynchronous wireless links reconfiguration course is realized.
3, the method for claim 1 is characterized in that, step 1 also comprises: RNC receives the message relevant with described business from core net node and obtains described QoS information.
4, method as claimed in claim 3, it is characterized in that, in the step 1, obtain described QoS information in RAB ASSIGNMENT REQUEST message, RELOCATION REQUEST message or the RABMODIFY REQUEST message of RNC from Iu interface RANAP.
5, method as claimed in claim 3 is characterized in that, this core net node comprises MSC, SGSN.
As claim 1 or 3 described methods, it is characterized in that 6, described QoS information comprises: maximum bit rate and assurance bit rate.
7, method as claimed in claim 6 is characterized in that, step 1 also comprises: RNC is with described maximum bit rate and guarantee that bit rate is processed into comprehensive parameters and sends to Node B again.
8, method as claimed in claim 6 is characterized in that, step 1 also comprises: the user once asks a plurality of when professional, with the maximum bit rate of a plurality of business with guarantee the direct addition of bit rate, with addition and send to Node B.
9, the method for claim 1, it is characterized in that, step for this request original allocation HSDPA carrier resource in the step 2 also comprises: one or more meets the HSDPA carrier wave of these QoS information requirements for this request original allocation, and is each allocation of carriers a pair of or many HS-SCCH and HS-SICH physical channels to being associated with carrier wave.
10, method as claimed in claim 7, it is characterized in that, RNC handles described maximum bit rate and guarantees that the rule of bit rate is: λ * maximum bit rate+(1-λ) * assurance bit rate, and wherein λ is a weighted factor, span is: 0≤λ≤1.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100893401A CN101094166B (en) | 2006-06-21 | 2006-06-21 | Method of assigning wireless resources for multicarrier, high speed down going packet access |
| EP06817835.9A EP1953971A4 (en) | 2005-11-16 | 2006-11-16 | A channel for multicarrier high speed downlink packet access and a method for allocating the carrier resource |
| KR1020087014033A KR20080078659A (en) | 2005-11-16 | 2006-11-16 | A channel for multicarrier high speed downlink packet access and a method for allocating the carrier resource |
| US12/093,993 US8385217B2 (en) | 2005-11-16 | 2006-11-16 | Method for configuring channel and carrier resources for multi-carrier high speed downlink packet access |
| PCT/CN2006/003089 WO2007056953A1 (en) | 2005-11-16 | 2006-11-16 | A channel for multicarrier high speed downlink packet access and a method for allocating the carrier resource |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100893401A CN101094166B (en) | 2006-06-21 | 2006-06-21 | Method of assigning wireless resources for multicarrier, high speed down going packet access |
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| CN101094166A true CN101094166A (en) | 2007-12-26 |
| CN101094166B CN101094166B (en) | 2012-05-16 |
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| CN2006100893401A Expired - Fee Related CN101094166B (en) | 2005-11-16 | 2006-06-21 | Method of assigning wireless resources for multicarrier, high speed down going packet access |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010020106A1 (en) * | 2008-08-19 | 2010-02-25 | 中国移动通信集团上海有限公司 | A quality of service management method, apparatus and system |
| WO2010054550A1 (en) * | 2008-11-13 | 2010-05-20 | 中兴通讯股份有限公司 | Method and apparatus for resource configuration of enhanced cell forward access channel in multi-carrier system |
| CN102264144A (en) * | 2010-05-28 | 2011-11-30 | 大唐移动通信设备有限公司 | Resource scheduling method, apparatus thereof, and system thereof |
| CN101583193B (en) * | 2009-06-24 | 2012-03-21 | 中国科学院计算技术研究所 | Distribution method for wireless resource ascended by base station terminal in LTE system and device |
| CN101547481B (en) * | 2008-03-24 | 2012-12-19 | 中兴通讯股份有限公司 | Resource transmission method and wireless network subsystem |
| WO2012171178A1 (en) * | 2011-06-14 | 2012-12-20 | 华为技术有限公司 | Method, device and system for qos guarantee |
| CN105766022A (en) * | 2013-08-29 | 2016-07-13 | 瑞典爱立信有限公司 | 3GPP bearer-based QoS model support on WIFI |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100442621B1 (en) * | 2001-06-29 | 2004-08-02 | 삼성전자주식회사 | Methode for transmitting information of high speed packet data access service in cdma mobile communication system |
| KR100891816B1 (en) * | 2002-05-11 | 2009-04-07 | 삼성전자주식회사 | Method for transmitting information of power offset of high speed physical downlink shared channel for high speed downlink packet access in wcdma communication system |
| CN100508437C (en) * | 2003-12-22 | 2009-07-01 | 上海贝尔阿尔卡特股份有限公司 | Method of dynamic channel code management for high-speed downlink shared channel |
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2006
- 2006-06-21 CN CN2006100893401A patent/CN101094166B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101547481B (en) * | 2008-03-24 | 2012-12-19 | 中兴通讯股份有限公司 | Resource transmission method and wireless network subsystem |
| WO2010020106A1 (en) * | 2008-08-19 | 2010-02-25 | 中国移动通信集团上海有限公司 | A quality of service management method, apparatus and system |
| WO2010054550A1 (en) * | 2008-11-13 | 2010-05-20 | 中兴通讯股份有限公司 | Method and apparatus for resource configuration of enhanced cell forward access channel in multi-carrier system |
| CN101583193B (en) * | 2009-06-24 | 2012-03-21 | 中国科学院计算技术研究所 | Distribution method for wireless resource ascended by base station terminal in LTE system and device |
| CN102264144A (en) * | 2010-05-28 | 2011-11-30 | 大唐移动通信设备有限公司 | Resource scheduling method, apparatus thereof, and system thereof |
| WO2012171178A1 (en) * | 2011-06-14 | 2012-12-20 | 华为技术有限公司 | Method, device and system for qos guarantee |
| CN102972065A (en) * | 2011-06-14 | 2013-03-13 | 华为技术有限公司 | Method, device and system for QoS guarantee |
| CN102972065B (en) * | 2011-06-14 | 2016-10-26 | 华为技术有限公司 | Ensure the methods, devices and systems of service quality |
| CN105766022A (en) * | 2013-08-29 | 2016-07-13 | 瑞典爱立信有限公司 | 3GPP bearer-based QoS model support on WIFI |
| CN105766022B (en) * | 2013-08-29 | 2019-08-02 | 瑞典爱立信有限公司 | Method and node for broadband access |
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