CN100479584C - A method of radio resource report and control - Google Patents

A method of radio resource report and control Download PDF

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Publication number
CN100479584C
CN100479584C CNB2004100688910A CN200410068891A CN100479584C CN 100479584 C CN100479584 C CN 100479584C CN B2004100688910 A CNB2004100688910 A CN B2004100688910A CN 200410068891 A CN200410068891 A CN 200410068891A CN 100479584 C CN100479584 C CN 100479584C
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resource
time slot
base station
code channel
network controller
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CN1722859A (en
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陈爱弟
姚翠峰
马志锋
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ZTE Corp
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ZTE Corp
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Priority to CNB2004100688910A priority Critical patent/CN100479584C/en
Priority to US11/572,093 priority patent/US8102834B2/en
Priority to EP05738089.1A priority patent/EP1768292B1/en
Priority to PCT/CN2005/000416 priority patent/WO2006005240A1/en
Publication of CN1722859A publication Critical patent/CN1722859A/en
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Abstract

This invention provides a method for reporting and controlling inexhaustible resource, which comprises the following steps: a) the base station will get the time slot according to the resource condition of the block, and compute the resource ability according to the code information of every time slot; b) the base station will report the resource ability to the wireless network controller; c) after receiving the information, the wireless network controller will get the code information of every time slot according to the resource ability information; d) when building the business resource of the user, the wireless network controller can get the resource ability according to the business character of the user, comparing with the time slot and the code information of the time slot, distributing resource for the business. By said method, the wireless network controller can get the resource ability information of every time slot in base station.

Description

The method of a kind of radio resource report and control
Technical field
The present invention relates to the method for a kind of radio resource report and control, relate in particular to radio resource report and control method between base station in the time division multiplex system (Node-B) and the radio resource controller (RNC).
Background technology
In the third generation mobile system, as TD SDMA (TD-SCDMA) system, Radio Resource is controlled by RNC usually.The foundation of RNC control Radio Resource is exactly the resource reporting situation of Node-B.Therefore Node-B whether enough and accurately resource information to report RNC be the key that can resource correctly be controlled.
Node-B reports resource normally to be undertaken by resource status indication and resource audit dual mode by Iub interface to RNC.
When changing, the private resource of Node-B direction home cell can be notified to RNC, as shown in Figure 1 by the resource status indication.
Receiving the resource of the Node-B that to audit after the audit request of RNC as Node-B and report, the resource status of RNC and Node-B is being consistent, as shown in Figure 2.
The ascending resource ability (ULCapacity Credit) and downlink resource ability (the DL or Global Capacity Credit) information that comprise Node-B in indication of existing resources state and the resource audit.Code channel resource when Node-B is modeled to spreading factor SF=16 with ascending resource ability and downlink resource ability in TD-SCDMA.Suppose that the sub-district of Node-B supports K time slot altogether, wherein have m ascending time slot to use, have n descending time slot to use, each ascending time slot can with code channel number be U1CodeNum i(i=0 ..., m), each descending time slot can with code channel number be D1CodeNum j(j=0 ..., n), m and n should satisfy:
K＝m+n≤7 (1)
Then ascending resource ability and downlink resource ability are calculated as follows respectively:
UL CapacityCredit = Σ i = 0 n U 1 CodeN um i - - - ( 2 )
DL CapacityCredit = Σ j = 0 m D 1 CodeN um j - - - ( 3 )
In actual applications, after the sub-district was set up, when causing some business time-slot unavailable owing to the physical resource problem, the timeslot number K of the sub-district support of Node-B was less than 7 at this moment.Uplink and downlink resource information after calculating according to formula 2 and 3 by Iub interface notice RNC after, since do not comprise in the reporting information each time slot ST1, ST2 ..., ST7 information, RNC can't correctly be known disabled time slot according to the information that Node-B reports, do not know the resource capability of each time slot yet, caused both resource capability information inconsistent, as shown in Figure 3.
When Radio Link was set up, RNC need specify Node-B that Radio Link is carried on some time slot.In this case, because RNC can't correctly obtain the unavailable gap information of Node-B, when the Radio Link carrying of RNC appointment is based upon the unsupported time slot of Node-B, must cause Radio Link to set up failure.A common Radio Link is carried on a plurality of time slots simultaneously, as long as one of them time slot is unavailable, Radio Link is set up and will be failed, and in this case, the success rate that Radio Link is set up can reduce greatly, greatly influences the access performance of system.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method of radio resource report, makes that the resource capability information on RNC and the Node-B can be consistent.
In order to solve the problems of the technologies described above, the invention provides a kind of method of radio resource report, may further comprise the steps:
(a) base station obtains each time slot that it comprises according to the resource situation of sub-district, and calculates the resource capability of this time slot according to the code channel information on each time slot wherein;
(b) resource capability of base station each time slot that will obtain reports radio network controller;
(c) after radio network controller is received the described reporting message of base station, obtain the resource capability information of each time slot of comprising in this message.
Further, the method for above-mentioned radio resource report can have following characteristics: in the described step (a), the base station is obtaining with resource capability of time slot to be carried out in the specified sub-district of resource audit request that radio network controller is sent calculate; Simultaneously, in the described step (b), the base station is that the resource capability of each time slot that will obtain by resource audit response message reports radio network controller.
Further, the method for above-mentioned radio resource report can have following characteristics: in the described step (a), the base station is obtaining with resource capability of time slot to be carried out in the sub-district that internal resource changes calculate; Simultaneously, in the described step (b), the base station is that the resource capability of each time slot that will obtain by the resource status Indication message reports radio network controller.
Further, the method for above-mentioned radio resource report can have following characteristics: be to equal be modeled to spreading factor on the time slot to 16 o'clock code channel number as the resource capability value of this time slot in the described step (a), the resource capability value of unavailable time slot is taken as 0.
Another technical problem that the present invention will solve provides the method for a kind of radio resource report and control, make RNC can obtain the resource capability information of each time slot of Node-B, and improve the success rate that Radio Link is set up according to the time interval resource ability information that obtains.
In order to solve the problems of the technologies described above, the present invention provides the method for a kind of radio resource report and control again, may further comprise the steps:
(a) base station obtains each time slot that it comprises according to the resource situation of sub-district, and calculates the resource capability of this time slot according to the code channel information on each time slot wherein;
(b) resource capability of base station each time slot that will obtain reports radio network controller;
(c) after radio network controller is received the described reporting message of base station, obtain the code channel information of each time slot according to the resource capability information of each time slot that comprises in this message;
(d) radio network controller obtains the required resource capability of this business according to user performance characteristic and compares with the time slot of access sub-district and the code channel information on the time slot, is this traffic assignments resource.
Further, in the method for this radio resource report and control, step (a) can have any characteristics in the method for radio resource report of the present invention to step (c).
As from the foregoing, resource reporting of the inventive method and control procedure are used the major parameter of gap information as resource capability, RNC can be known available time slot on the sub-district, base station and the code channel information on the time slot, accomplish and the base station between resource capability information synchronously.And then when Radio Link is set up, RNC can carry out resource control according to time slot and the code channel information on the time slot of Node-B, for the traffic assignments reasonable resources is guaranteed, avoided the Radio Link carrying is based upon on the unsupported time slot of Node-B, improved the success rate that customer service is set up.
Description of drawings
Fig. 1 is the schematic diagram that Node-B sends the resource status indication in the TD-SCDMA system to RNC;
Fig. 2 is the schematic diagram of resource audit between Node-B and the RNC in the TD-SCDMA system;
Fig. 3 is prior art Node-B reports a schematic diagram from resource information to RNC;
Fig. 4 is the flow chart of first embodiment of the invention resource reporting and resource control;
Fig. 5 is Node-B of the present invention reports a schematic diagram from resource information to RNC.
Embodiment
First embodiment
As shown in Figure 4, present embodiment is to carry out resource reporting by the resource audit in the TD-SCDMA system, and resource reporting and control procedure may further comprise the steps:
Step 110, Node-B receives the resource audit request that RNC sends, and finds this specified sub-district of audit request;
Step 120, Node-B obtains the number and the numbering of uplink and downlink time slot according to the physical resource information of preserving in this sub-district;
Step 130, Node-B calculates the resource capability value on each uplink and downlink time slot, and the code channel number when equaling to be modeled to SF=16 on this time slot promptly equals code channel number * (16/ spreading factor).This resource capability value is more than or equal to 0 and smaller or equal to 16, and for unavailable time slot, this numerical value is 0;
Step 140, Node-B fills in the resource capability of each time slot (having unique sign), sends to RNC by resource audit response message;
Step 150, RNC according to the resource capability information of each time slot in the message, obtains the code channel information on each time slot after receiving resource audit response, comprises the spreading factor of code channel number and this time slot;
Step 160, RNC obtains professional required resource capability according to the characteristic of business when setting up user's service resources;
Step 170, RNC is required resource capability and the time slot of the sub-district of inserting and the code channel information on the time slot of customer service relatively, is this traffic assignments resource (having comprised time slot and code channel information).
Second embodiment
Different with first embodiment is, present embodiment is indicated by resource status and carried out resource reporting, and resource reporting and control procedure may further comprise the steps:
Step 210, Node-B finds that the sub-district internal resource changes;
Step 220, Node-B obtains the number and the numbering of uplink and downlink time slot according to the physical resource information of preserving in this sub-district;
Step 230, Node-B calculates the resource capability value on each uplink and downlink time slot, the code channel number when equaling to be modeled to SF=16 on this time slot, this resource capability value is more than or equal to 0 and smaller or equal to 16, and for unavailable time slot, this numerical value is 0;
Step 240, Node-B fills in the resource capability of each time slot (having unique sign), sends to RNC by the resource status Indication message;
Step 250 after RNC receives the resource status Indication message, according to the resource capability information of each time slot in the message, obtains the code channel information on each time slot;
Step 260, RNC obtains professional required resource capability according to the characteristic of business when setting up user's service resources;
Step 270, RNC is required resource capability and the time slot of the sub-district of inserting and the code channel information on the time slot of customer service relatively, is this traffic assignments resource.
Except that the TD-SCDMA system, the inventive method also is applicable to other time division multiplex system.
In sum, the resource control procedure of the resource reporting of the inventive method Node-B and RNC has been used the major parameter of gap information as resource capability.Node-B calculates the resource capability of each time slot respectively according to the ability information of home cell reality by the code channel information on each time slot; RNC can confirm available time slot on certain sub-district and the code channel information on each time slot according to resource reporting message, thereby knows the real resource ability of Node-B exactly.As shown in Figure 5, the resource capability information of time slot TS1～TS7 is arranged all on RNC and the Node-B, guaranteed the consistency of both resource informations.
Thereby, when Radio Link is set up, RNC can directly utilize the time slot of corresponding Node-B and the code channel information on the time slot to carry out resource control, for the reasonability of traffic assignments time slot and code channel information is guaranteed, avoided the Radio Link carrying is based upon on the unsupported time slot of Node-B, improved the success rate that customer service is set up.

Claims (6)

1, a kind of method of radio resource report may further comprise the steps:
(a) base station obtains each time slot that it comprises according to the resource situation of sub-district, and calculate the resource capability of this time slot according to the code channel information on each time slot wherein, code channel information comprises the spreading factor of this time-slot code channel number and this time slot, the resource capability value of time slot equals to be modeled on this time slot the code channel number that spreading factor equals at 16 o'clock, promptly equal code channel number * (16/ spreading factor), the resource capability value of unavailable time slot is taken as 0;
(b) resource capability of base station each time slot that will obtain reports radio network controller;
(c) after radio network controller is received the reporting message of base station, obtain the resource capability information of each time slot of comprising in this reporting message.
2, the method for radio resource report as claimed in claim 1 is characterized in that, in the described step (a), the base station is obtaining with resource capability of time slot to be carried out in the specified sub-district of resource audit request that radio network controller is sent calculate; Simultaneously, in the described step (b), the base station is that the resource capability of each time slot that will obtain by resource audit response message reports radio network controller.
3, the method for radio resource report as claimed in claim 1 is characterized in that, in the described step (a), the base station is obtaining with resource capability of time slot to be carried out in the sub-district that internal resource changes calculate; Simultaneously, in the described step (b), the base station is that the resource capability of each time slot that will obtain by the resource status Indication message reports radio network controller.
4, the method for a kind of radio resource report and control may further comprise the steps:
(a) base station obtains each time slot that it comprises according to the resource situation of sub-district, and calculate the resource capability of this time slot according to the code channel information on each time slot wherein, code channel information comprises the spreading factor of this time-slot code channel number and this time slot, the resource capability value of time slot equals to be modeled on this time slot the code channel number that spreading factor equals at 16 o'clock, promptly equal code channel number * (16/ spreading factor), the resource capability value of unavailable time slot is taken as 0;
(b) resource capability of base station each time slot that will obtain reports radio network controller;
(c) after radio network controller is received the reporting message of base station, obtain the code channel information of each time slot according to the resource capability information of each time slot that comprises in this reporting message;
(d) radio network controller obtains the required resource capability of this business according to user performance characteristic and compares with the time slot of access sub-district and the code channel information on the time slot, is this traffic assignments resource.
5, the method for radio resource report as claimed in claim 4 and control is characterized in that, in the described step (a), the base station is obtaining with resource capability of time slot to be carried out in the specified sub-district of resource audit request that radio network controller is sent calculate; Simultaneously, in the described step (b), the base station is that the resource capability of each time slot that will obtain by resource audit response message reports radio network controller.
6, the method for radio resource report as claimed in claim 4 and control is characterized in that, in the described step (a), the base station is obtaining with resource capability of time slot to be carried out in the sub-district that internal resource changes calculate; Simultaneously, in the described step (b), the base station is that the resource capability of each time slot that will obtain by the resource status Indication message reports radio network controller.
CNB2004100688910A 2004-07-14 2004-07-14 A method of radio resource report and control Active CN100479584C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CNB2004100688910A CN100479584C (en) 2004-07-14 2004-07-14 A method of radio resource report and control
US11/572,093 US8102834B2 (en) 2004-07-14 2005-03-30 Method for reporting and managing wireless resources in TDM system
EP05738089.1A EP1768292B1 (en) 2004-07-14 2005-03-30 A method for reporting and managing wireless resources in tdm system
PCT/CN2005/000416 WO2006005240A1 (en) 2004-07-14 2005-03-30 A method for reporting and managing wireless resources in tdm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100688910A CN100479584C (en) 2004-07-14 2004-07-14 A method of radio resource report and control

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CN1722859A CN1722859A (en) 2006-01-18
CN100479584C true CN100479584C (en) 2009-04-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100401796C (en) * 2006-01-19 2008-07-09 华为技术有限公司 Method for assigning resource of base station node
CN100438676C (en) * 2006-03-22 2008-11-26 华为技术有限公司 Wireless network and method for planning and optimizing network therein
CN101193417B (en) * 2006-11-24 2011-04-20 中兴通讯股份有限公司 A method for wireless network controller to use non-continuous receiving feature
CN102413578B (en) * 2007-02-13 2014-07-30 华为技术有限公司 Method, system and equipment for sending data to user equipment
CN101335987B (en) * 2007-06-28 2012-07-04 中兴通讯股份有限公司 Method for RNC to acquire base station time slot format
CN101784037B (en) * 2009-01-15 2015-04-01 中兴通讯股份有限公司 Method, device and system for reporting user capability or state
CN101888670B (en) * 2010-06-29 2013-01-30 华为技术有限公司 Wireless resource management method, device, wireless network controller and base station

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