CN101340699B - Base-band resource distributing method in wireless system - Google Patents
Base-band resource distributing method in wireless system Download PDFInfo
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- CN101340699B CN101340699B CN2007101275745A CN200710127574A CN101340699B CN 101340699 B CN101340699 B CN 101340699B CN 2007101275745 A CN2007101275745 A CN 2007101275745A CN 200710127574 A CN200710127574 A CN 200710127574A CN 101340699 B CN101340699 B CN 101340699B
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Abstract
A distribution method of baseband resources in a wireless system is disclosed. During processing wireless resources, according to the corresponding relationships between at least one baseband processing unit and one RF processing unit, a user data service loaded on wireless is completed by exchanging the baseband processing unit with the RF processing unit, wherein, the corresponding relationship between the baseband processing unit and the RF processing unit is established dynamically and systematically; the baseband resources are distributed according to the corresponding relationship. Compared with the prior art, the method of the invention realizes sharing baseband resources in a wireless system, achieves the effect of N plus one back-up of baseband resources, saves the operation expense of an operator, improves the reliability of the wireless system and lays a foundation for wireless products which can better to meet user demand.
Description
Technical field
The present invention relates to a kind of in wireless system the distribution method of base-band resource, and can expand to the distribution of baseband processing resource of the wireless system in other field.
Background technology
Development along with technology, in the TD of third generation radio communication system, the processing of baseband signal becomes increasingly complex on the one hand, on the other hand, increase along with number of users, the capacity of radio node is also progressively increasing, and like this, designing independently in system, baseband processing unit has become a kind of more and more general design.Baseband processing unit exchanges to radio frequency unit by IQ and finishes jointly on wireless and carry user service data, if this independently baseband processing unit can dynamically be scheduling to the service of radio frequency sector as a kind of system resource, then can greatly increase the flexibility of system configuration, also be very huge for the impetus of the development of system architecture.
Along with the intensification of equipment vendors, operation manufacturer competition, production cost, operation cost have also become one of the industrial chain common concern very important problem.With the Node B system is example, and the device of described system generally comprises following part, as shown in Figure 1:
1) system control and processing unit 1 are responsible for the operating various parameters of system are configured and manage and the fault of each processing unit is reported and reprocessing;
2) Iub oral instructions transmission protocol processing unit 2, mainly handle the transport layer protocol of Iub mouth;
3) baseband processing unit 3, main modulation to user data, encoding and decoding or the like, output baseband I Q signal;
4) the IQ crosspoint 4, and the IQ exchanges data after the Base-Band Processing is arrived corresponding RF processing unit;
5) RF processing unit 5, mainly the band limits of baseband signal up-conversion to the TD system are transmitted in the air.
In General System realizes, software forms the corresponding relation static configuration of baseband processing unit and RF processing unit, promptly run after the system power-up according to this configuration mode, the general fixation binding of baseband processing unit is to certain radio frequency unit, like this, provide in the business procedure in system, if Base Band Unit breaks down, this corresponding relation does not change, the sector that then can cause this radio frequency unit to cover immediately stops the user radio business to be provided, and needs manual intervention the recovery business to provide.
Summary of the invention
The technical problem to be solved in the present invention has provided the distribution method of base-band resource in a kind of wireless system, in order to solve when Base Band Unit breaks down, the base-band resource configuration relation can't change, the sector that can cause this radio frequency unit to cover stops the user radio business to be provided, and needs manual intervention that the professional problem that provides could be provided.
In order to address the above problem, the invention provides the distribution method of base-band resource in a kind of wireless system, when handling Radio Resource, according to the corresponding relation between at least one baseband processing unit and at least one RF processing unit, described baseband processing unit is exchanged to the user data service that RF processing unit is finished carrying on wireless jointly, wherein, set up to system dynamics the corresponding relation between described baseband processing unit and the described RF processing unit, and distribute base-band resource according to this corresponding relation;
Further, method of the present invention wherein, is set up to system dynamics the corresponding relation between described baseband processing unit and the described RF processing unit, and the scheduling base-band resource distributes, and specifically may further comprise the steps:
(1) mode bit of RF processing unit and the mode bit of baseband processing unit are set, its state of explaining comprises: available or unavailable;
(2) detect the mode bit of RF processing unit and whether obtained resource;
(3), and do not obtain base-band resource if the RF processing unit mode bit is available, the mode bit that then detects baseband processing unit with and base-band resource whether occupied;
(4) if described baseband processing unit mode bit is available, and its corresponding base-band resource free time, then call described base-band resource and distribute, set up the corresponding relation between this RF processing unit and the described baseband processing unit;
(5) finish;
Method of the present invention, wherein, described step (3) further comprises: if detect described RF processing unit state is available, but when having obtained base-band resource, then execution in step (5);
Method of the present invention, wherein, described step (3) further comprises: if detect described RF processing unit mode bit is unavailable, and when not obtaining base-band resource before, then execution in step (5);
Method of the present invention is characterized in that, described step (3) further comprises: if detect described RF processing unit mode bit is unavailable, but when having obtained base-band resource before, then discharges the base-band resource that it occupies, execution in step (5);
Method of the present invention, wherein, described step (4) further comprises: if detect described baseband processing unit mode bit is available, but its corresponding base-band resource is occupied, does not then carry out resource allocation, execution in step (5);
Method of the present invention, wherein, described step (4) further comprises: if detect described baseband processing unit mode bit is unavailable, shows that its base-band resource is unavailable, does not then carry out resource allocation, execution in step (5);
Further, method of the present invention, wherein, when system initialization, the pairing resource of any one processing unit is all unavailable in the system.
Adopt the method for the invention, compared with prior art, realized that base-band resource is shared (also being the baseband pool of industry) in the wireless system, reached the effect of base-band resource N+1 backup, saved the operation expenses of operator, improved the reliability of wireless system.Better meeting user's request to wireless product lays the foundation, based on this, the various functional attributes that can derive product to be improving competitiveness of product, as: expand this scheduling mechanism, can realize customization or system by the base band distribution method of certain strategy scheduling.
Description of drawings
Fig. 1 is a Node B system and device structure chart in the prior art;
The concrete grammar flow chart of when system breaks down, dynamically switching in the dynamic allocation method of Fig. 2 for base-band resource in the Node B system in the embodiment of the invention;
Fig. 3 in the embodiment of the invention after the Node B system initially powers on the concrete grammar flow chart of dynamic assignment base-band resource;
Fig. 4 be in the embodiment of the invention when the Node B system increases the home cell carrier wave concrete grammar flow chart of dynamic assignment base-band resource.
Embodiment
The present invention is in order to solve the drawback that conventional solution exists, by following specific embodiment further set forth of the present invention a kind of in wireless system the distribution method of base-band resource, below embodiment is described in detail, but not as a limitation of the invention.With the Node B system is example, specifically describes content of the present invention.
The technical program has been described when system breaks down, and needs to change this corresponding relation of baseband carrier and radio-frequency carrier, dynamically switches.When as shown in Figure 2, the concrete grammar flow chart of when system breaks down, dynamically switching in the dynamic allocation method for base-band resource in the Node B system in the embodiment of the invention.May further comprise the steps:
Whether step 201 detects the RF processing unit fault and recovers, if do not recover, then execution in step 202; Otherwise, execution in step 207;
It is unavailable that step 202, system are provided with the pairing radio-frequency carrier state of this RF processing unit;
It is available that step 207, system are provided with the pairing radio-frequency carrier state of this RF processing unit;
Whether step 208 need rebulid corresponding relation to the pairing radio-frequency carrier of this RF processing unit, distributes base-band resource, then detect in the home cell carrier wave corresponding with this radio-frequency carrier, have not obtain base-band resource; If have, then execution in step 209, otherwise, execution in step 217;
Whether step 210 detects the baseband processing unit fault and recovers, if do not recover, then execution in step 212; Otherwise, execution in step 211;
It is available that step 211, system are provided with the pairing baseband carrier state of this baseband processing unit; And execution in step 204;
It is unavailable that step 212, system are provided with the pairing baseband carrier state of this baseband processing unit;
The technical program has been described when system normally moves, and need set up this corresponding relation of baseband carrier and radio-frequency carrier, realizes dynamic assignment.As shown in Figure 3, in the embodiment of the invention after the Node B system initially powers on the concrete grammar flow chart of dynamic assignment base-band resource.May further comprise the steps:
Step 301, system initialization powers on, and the pairing resource of any one processing unit is all unavailable in the system;
Step 302, after the system initialization, RF processing unit can be used;
Step 303, the IQ that detects the RF processing unit correspondence exchanges situation, if normal, then execution in step 304, otherwise, execution in step 310;
Step 304 detects whether the unallocated base-band resource of home cell carrier wave is arranged, if having, then execution in step 305, otherwise, execution in step 310;
Step 305 detects whether idle available base-band resource is arranged; If have, then execution in step 306, otherwise, execution in step 310;
Step 306, whether detect has available baseband I Q resource; If have, then execution in step 307, otherwise, execution in step 305;
Step 307 is for the pairing radio-frequency carrier of home cell carrier wave distributes base-band resource;
Step 308 is carried out the configuration of baseband I Q exchange resource;
Step 309, whether detection finishes to the pairing cell carrier poll of all radio-frequency carriers of RF processing unit; If then execution in step 310; Otherwise, execution in step 305;
Step 310, base-band resource distributes end.
As shown in Figure 4, in the embodiment of the invention when the Node B system increases the home cell carrier wave concrete grammar flow chart of dynamic assignment base-band resource.May further comprise the steps:
Step 401 increases the home cell carrier wave;
Step 404 detects whether idle available base-band resource is arranged; If have, then execution in step 405, otherwise, execution in step 408;
Step 406 is for the pairing radio-frequency carrier of home cell carrier wave distributes base-band resource;
Step 407 is carried out the configuration of baseband I Q exchange resource;
Similarly increase RF processing unit in addition, increase this operation of baseband processing unit,, just do not given unnecessary details at this because operating process is similar.
This method is applicable to the distribution of wireless communication field network equipment baseband processing resource but is not limited to this, also can be applied to the dynamic assignment of a plurality of radio frequency resources in the wireless system.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (7)
1. the distribution method of base-band resource in the wireless system, wherein, when handling Radio Resource, according to the corresponding relation between at least one baseband processing unit and at least one RF processing unit, described baseband processing unit is exchanged to the user data service that RF processing unit is finished carrying on wireless jointly, it is characterized in that, set up to system dynamics the corresponding relation between described baseband processing unit and the described RF processing unit, and distribute base-band resource according to this corresponding relation;
The described corresponding relation of dynamically setting up between described baseband processing unit and the described RF processing unit, and according to this corresponding relation distribution base-band resource, specifically may further comprise the steps:
(1) mode bit of RF processing unit and the mode bit of baseband processing unit are set, its state of explaining comprises: available or unavailable;
(2) detect the mode bit of RF processing unit and whether obtained base-band resource;
(3), and do not obtain base-band resource if the RF processing unit mode bit is available, the mode bit that then detects baseband processing unit with and base-band resource whether occupied;
(4) if described baseband processing unit mode bit is available, and its corresponding base-band resource free time, then call described base-band resource and distribute, set up the corresponding relation between this RF processing unit and the described baseband processing unit;
(5) finish.
2. the method for claim 1 is characterized in that, described step (3) further comprises:
If it is available detecting described RF processing unit state, but when having obtained base-band resource, execution in step (5) then.
3. the method for claim 1 is characterized in that, described step (3) further comprises:
If it is unavailable detecting described RF processing unit mode bit, and when not obtaining base-band resource before, execution in step (5) then.
4. the method for claim 1 is characterized in that, described step (3) further comprises:
If it is unavailable detecting described RF processing unit mode bit, but when having obtained base-band resource before, then discharge the base-band resource that it occupies, execution in step (5).
5. the method for claim 1 is characterized in that, described step (4) further comprises:
If it is available detecting described baseband processing unit mode bit, but its corresponding base-band resource is occupied, then do not carry out resource allocation, execution in step (5).
6. the method for claim 1 is characterized in that, described step (4) further comprises:
If it is unavailable detecting described baseband processing unit mode bit, show that its base-band resource is unavailable, then do not carry out resource allocation, execution in step (5).
7. the method for claim 1 is characterized in that, when system initialization, the pairing resource of any one processing unit is all unavailable in the system.
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| CN2007101275745A CN101340699B (en) | 2007-07-03 | 2007-07-03 | Base-band resource distributing method in wireless system |
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| CN2007101275745A CN101340699B (en) | 2007-07-03 | 2007-07-03 | Base-band resource distributing method in wireless system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101217786B (en) * | 2008-01-02 | 2012-04-25 | 华为技术有限公司 | Baseband resource sharing method, communication system and device |
| CN102882580B (en) * | 2011-07-12 | 2018-01-30 | 中兴通讯股份有限公司 | A kind of IQ channel allocations method and apparatus |
| CN103945549B (en) * | 2014-04-29 | 2017-03-22 | 西安电子科技大学 | Baseband processing resource allocation system under C-RAN architecture |
| CN107548156A (en) * | 2016-06-29 | 2018-01-05 | 中兴通讯股份有限公司 | A kind of base-band resource distribution method and device |
| CN113973386B (en) * | 2021-12-27 | 2022-03-18 | 成都爱瑞无线科技有限公司 | Method, system, device and storage medium for scheduling unlicensed frequency band resources |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302164A (en) * | 1999-12-30 | 2001-07-04 | 华为技术有限公司 | Distribution method for memory space in baseband processing of mobile communication system base station |
| CN1346219A (en) * | 2000-09-29 | 2002-04-24 | 华为技术有限公司 | Base station transmitting/receiving machine for global mobile communication system |
| US6956836B2 (en) * | 2001-05-17 | 2005-10-18 | Ericsson, Inc. | Asymmetric frequency allocation for packet channels in a wireless network |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302164A (en) * | 1999-12-30 | 2001-07-04 | 华为技术有限公司 | Distribution method for memory space in baseband processing of mobile communication system base station |
| CN1346219A (en) * | 2000-09-29 | 2002-04-24 | 华为技术有限公司 | Base station transmitting/receiving machine for global mobile communication system |
| US6956836B2 (en) * | 2001-05-17 | 2005-10-18 | Ericsson, Inc. | Asymmetric frequency allocation for packet channels in a wireless network |
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