CN104023338A - Radio resource management method with anti-interference function - Google Patents
Radio resource management method with anti-interference function Download PDFInfo
- Publication number
- CN104023338A CN104023338A CN201310083692.6A CN201310083692A CN104023338A CN 104023338 A CN104023338 A CN 104023338A CN 201310083692 A CN201310083692 A CN 201310083692A CN 104023338 A CN104023338 A CN 104023338A
- Authority
- CN
- China
- Prior art keywords
- channel
- user
- administration module
- group
- base station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a radio resource management method for a tactics wireless access system, and is to improve successful access probability of mobile users under the condition that a portion of channels are interfered. In the method, included are mainly five modules: a user grouping management module, a base station channel management module, a group user channel allocation management module, a base station announcement management module, and a mobile user channel management module. The basic process of the method is that the user grouping management module carries out grouping on the mobile users; the base station channel management module monitors UP/DOWN and busy/free states of channels and allocates service channels to the link-established users; the group user channel allocation management module carries out group user duty channel allocation operation; the base station announcement management module sends a group number and channel number mapping table; and finally, the mobile user channel management module responds to the mapping table, and the radio resource management is finished.
Description
Technical field
The present invention relates to wireless communication field, particularly in tactics wireless access system, the radio resource management method of taking for improving system rejection to disturbance ability and frequency spectrum resource utilization rate.
Background technology
The tactics wireless access system being built by ultrashort wave radio set comprises base station and user radio station, and base station controller is by access in radio region network switch, realizes same community, across dialcom between the mobile subscriber of community, also supports wire user and mobile subscriber's dialcom.
In native system, 8 channel functions and status that base station is used are equal, and each channel all can be used as signaling channel and Traffic Channel.Therefore, in base station covers subrange, band segment is disturbed under condition, for improving system rejection to disturbance ability, must adopt suitable RRM strategy, has both ensured that number of users on duty under each channel was even, can make again user's channel on duty variable.Therefore, native system adopts user grouping management, based on the strategy of group user channel allocations management.
The core concept of group user channel allocations management strategy is as follows:
(1) number of users under each group as far as possible evenly;
(2) the same channel of all user assignments under same group;
(3) number of users distributing under each channel as far as possible evenly;
(4) channel number of same group of mapping must be variable.
Summary of the invention
The object of the present invention is to provide a kind of design of the radio resource management method with anti-interference function.The technical problem to be solved in the present invention is: in tactics wireless access system, under band segment is disturbed condition, by radio resource management method reasonable in design, improves user and access successful probability.
Technical scheme of the present invention is achieved in that
The radio resource management method with anti-interference function comprises user grouping administration module, BTS channel administration module, group user channel allocations administration module, base station bulletin administration module, mobile subscriber's channel management module.User grouping administration module is driven by the Event triggered such as user-network access, user's logout, business link setup, upgrades under current base station and organizes 1 to effective free subscriber quantity of organizing 8.Base station bulletin administration module is subject to timer cyclic drive, BTS channel administration module, group user channel allocations administration module and the unification of mobile subscriber's channel management module are subject to base station bulletin administration module control, periodicity, to BTS channel condition monitoring, for organizing user assignment channel on duty, realizes the RRM of this tactics wireless access system.
Described user grouping administration module is selected the minimum group number of number of users from organizing 1 to group 8, distributes to the user of each new networking; The group number that this module has also been distributed for the user log off of each logout, and upgrade the number of users under this group; After base station is the success of user's link setup, this module is nullified the group number that this user has distributed temporarily, and upgrades the number of users under this group.Therefore, user grouping administration module is exported in real time the free subscriber sum under current base station and is organized 1 to the number of users scale of organizing under 8.User grouping administration module guarantee group 1 is as far as possible even to the number of users under group 8.
Described BTS channel administration module periodically scans the UP/DOWN state of 8 BTS channel, busy/not busy state; After base station is the success of user's link setup, the Traffic Channel that this module temporary marker has distributed is busy condition.Only have UP and idle channel just to can be used for organizing user assignment, therefore, BTS channel administration module is periodically exported the state table whether total and channel of idle BTS channel can be used for organizing user assignment.
Described group of user channel allocations administration module be according to the output of user grouping administration module and BTS channel administration module, periodically operation group user channel allocations algorithm, and this algorithm ensures that number of users on duty under the BTS channel of each free time is as far as possible evenly.Therefore, group user channel allocations administration module is periodically exported group number and channel number mapping table.This algorithm is the same channel of all user assignments under same group, and the channel number of same group of mapping is variable, and ensures that the number of users distributing under each channel is as far as possible even.
The operation of described base station bulletin administration module periodic scheduling BTS channel administration module and group user channel allocations administration module.Finally, a part for this module bulletin content using group number and channel number mapping table as base station, is periodically sent to mobile subscriber's channel management module.
Described mobile subscriber's channel management module can receive base station bulletin, and resolves group number and channel number mapping table, controls user radio station on duty in corresponding BTS channel by group number, realizes the radio resource management function of system to user.
In tactics wireless access system, by taking user grouping, by the radio resource management method of component allocating channel, can make all users occupy evenly, liberally channel resource; Also the load that makes all channels bear is more even; Especially under band segment is disturbed condition, by the channel resource of stochastic and dynamic change group user assignment, can improves user and access successful probability, elevator system entirety interference free performance.Under battlefield surroundings, use the number of devices of ultrashort wave frequency band numerous, frequency resource is very valuable, and spectrum environment is disturbed very general, adopt the tactics wireless access system of this radio resource management method, can elevator system frequency resource utilance and entire system interference free performance.
Brief description of the drawings
Fig. 1 is the tactics wireless access system composition schematic diagram with anti-interference function of the present invention;
Fig. 2 is the RRM module composition schematic diagram with anti-interference function of the present invention;
Fig. 3 is user grouping administration module flow chart of the present invention;
Fig. 4 is of the present invention group of user channel allocations algorithm flow chart;
Fig. 5 is group number and channel number mapping table variation schematic diagram before and after system of the present invention is disturbed.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated:
As shown in Figure 1, a kind of tactics wireless access system with anti-interference function, comprises base station and user radio station:
(1) base station is made up of base station controller and radio station, 8 base stations, and base station controller can be accessed by region network switch, and radio station, 8 base stations is equivalent to 8 tunnel BTS channel of base station.
(2) under single base station, approximately support 50 user's transceiver accesses to networks.For realizing radio resource management method of the present invention, user is divided in groups and 1 managed to organizing 8.The present invention finally makes 1 BTS channel of each group of mapping, initiatively switches to this channel by user radio station.
As shown in Figure 2, a kind of radio resource management method with anti-interference function, comprises with lower module:
(1) user grouping administration module.The major function of this module is real-time servicing group number of users table, makes to organize 1 and tries one's best evenly to the number of users of organizing under 8, provides input for organizing user channel allocations algorithm.As shown in Figure 3, user grouping administration module is subject to user-network access/logout, link setup/tear chain Event triggered open to drive.This module is that the group number that new networking user selects active user to count minimum is distributed, and is the user log off of logout and the mapping relations of distributing group number; Successful link setup user is nullified from the group of having distributed temporarily, from the group of having distributed, recover mapping relations by tearing the successful user of chain open.
(2) BTS channel administration module.The major function of this module is the state of 8 BTS channel of monitoring, safeguards the Channel Status Table of participation group user channel allocations.This module periodically scans the UP/DOWN state of 8 BTS channel, busy/not busy state; After base station is the success of user's link setup, the Traffic Channel that this module temporary marker has distributed is busy condition.Only have UP and idle channel just to can be used for organizing user assignment, therefore, BTS channel administration module is periodically exported the state table whether total and channel of idle BTS channel can be used for organizing user assignment.
(3) group user channel allocations administration module.This module is nucleus module of the present invention, according to the output of user grouping administration module and BTS channel administration module, and periodically operation group user channel allocations algorithm, this algorithm ensures that number of users on duty under the BTS channel of each free time is as far as possible evenly.And this algorithm changes the mapping relations of radio station, base station sequence number and channel number by dynamic random, realize the channel of dynamic change group user assignment, greatly promote system spectral resources utilance and system rejection to disturbance performance.
As shown in Figure 4, group user channel allocations administration module is cycling service under the driving of timer.First, radio station, algorithm initialization base station number of users table, the number of users zero clearing of shining upon under each radio station.Secondly, algorithm carries out loop computation 8 times, each group number of users table of first exporting from user grouping administration module, selects the group number that number of users is maximum, is designated as maxIndex; From the number of users table of radio station, base station, select again the minimum radio station sequence number of number of users, be designated as minIndex; Then this minimum radio station sequence number minIndex is distributed to the current group with maximum numbers of users; And upgrade respectively radio station, base station number of users table and group number of users table, and be about to the number of users zero clearing of the group correspondence of dividing allocated radio sequence number, the number of users that divides the mapping of allocated radio sequence number is set to original subscriber's number and adds the number of users under this group.Finally, after 8 circulations, the mapping table of algorithm output group number and radio station, base station sequence number, first that user corresponding group number is associated with radio station, base station, change again the mapping relations of radio station sequence number and channel number by dynamic random, finally realize the distribution of group subscriber channel number, output group number and channel number mapping relations tables.
The core of this algorithm is at every turn to distribute to and have the group that number of users is maximum having the minimum radio station, base station of number of users.Because user grouping administration module guarantee group number of users table is enough even, therefore, the last output of this algorithm has ensured that the number of users shining upon under each channel is uniform.
(4) base station bulletin administration module.This module is driven by timer, the operation of periodic scheduling BTS channel administration module and group user channel allocations administration module.Finally, a part for this module bulletin content using group number and channel number mapping table as base station, is periodically sent to mobile subscriber's channel management module.
(5) this module of mobile subscriber's channel management module can receive base station bulletin, and resolves group number and channel number mapping table, controls user radio station on duty in corresponding BTS channel by group number, realizes the Radio Resource centralized management of system to user.
As shown in Figure 5, before and after components of system as directed frequency range is disturbed, then in the immovable situation of other external conditions, as without the operation of link setup/tear open chain, the operation of no user networking/logout, connects loss etc. without channel, and group number and the channel number mapping relations of this radio resource management method output change to some extent.Suppose the starting stage, in certain region, channel 1 is disturbed, and just organizes that in 1, certain user is in this region, and now these users can not successfully access for 1 time at channel; Through RRM allotment of the present invention, after being disturbed, group 1 distributes channel 4, and these users can successfully access again.
Described above is only a kind of preferred embodiment of the present invention; those of ordinary skill in the art can be without departing from the present invention in the case of the inventive idea; above-described embodiment is made to various modifications or variation; thereby protection scope of the present invention do not limit by above-described embodiment, and it should be the maximum magnitude that meets the inventive features that claims mention.
Claims (6)
1. there is the radio resource management method of anti-interference function, it is characterized in that comprising user grouping administration module, BTS channel administration module, group user channel allocations administration module, base station bulletin administration module, mobile subscriber's channel management module.User grouping administration module is driven by the Event triggered such as user-network access, user's logout, business link setup, upgrades under current base station and organizes 1 to effective free subscriber quantity of organizing 8.Base station bulletin administration module is subject to timer cyclic drive, BTS channel administration module, group user channel allocations administration module and the unification of mobile subscriber's channel management module are subject to base station bulletin administration module control, periodicity, to BTS channel condition monitoring, for organizing user assignment channel on duty, realizes the RRM of system.
2. the radio resource management method with anti-interference function according to claim 1, is characterized in that user grouping administration module selects number of users minimum group number to group 8 from organizing 1, distributes to the user of each new networking; The group number that this module has also been distributed for the user log off of each logout, and upgrade the number of users under this group; After base station is the success of user's link setup, this module is nullified the group number that this user has distributed temporarily, and upgrades the number of users under this group.Therefore, user grouping administration module is exported in real time the free subscriber sum under current base station and is organized 1 to the number of users scale of organizing under 8.
3. the radio resource management method with anti-interference function according to claim 1, is characterized in that BTS channel administration module periodically scans the UP/DOWN state of 8 BTS channel, busy/not busy state; After base station is the success of user's link setup, the Traffic Channel that this module temporary marker has distributed is busy condition.Only have UP and idle channel just to can be used for organizing user assignment, therefore, BTS channel administration module is periodically exported the state table whether total and channel of idle BTS channel can be used for organizing user assignment.
4. the radio resource management method with anti-interference function according to claim 1, it is characterized in that organizing user channel allocations administration module according to the output of user grouping administration module and BTS channel administration module, periodically operation group user channel allocations algorithm, this algorithm ensures that number of users on duty under the BTS channel of each free time as far as possible evenly.Therefore, group user channel allocations administration module is periodically exported group number and channel number mapping table.
5. the radio resource management method with anti-interference function according to claim 1, it is characterized in that the operation of base station bulletin administration module periodic scheduling BTS channel administration module and group user channel allocations administration module, and using group number and channel number mapping table as base station the part of bulletin content, be periodically sent to mobile subscriber's channel management module.
6. the radio resource management method with anti-interference function according to claim 1, it is characterized in that mobile subscriber's channel management module can receive base station bulletin, and resolve group number and channel number mapping table, control user radio station on duty in corresponding BTS channel by group number, realize the radio resource management function of system to user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310083692.6A CN104023338A (en) | 2013-03-01 | 2013-03-01 | Radio resource management method with anti-interference function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310083692.6A CN104023338A (en) | 2013-03-01 | 2013-03-01 | Radio resource management method with anti-interference function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104023338A true CN104023338A (en) | 2014-09-03 |
Family
ID=51439863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310083692.6A Pending CN104023338A (en) | 2013-03-01 | 2013-03-01 | Radio resource management method with anti-interference function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104023338A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1430428A (en) * | 2001-12-29 | 2003-07-16 | 厦门雅迅网络股份有限公司 | Method of dynamic allocating radio channel resource for mobile station |
| CN1474617A (en) * | 2002-08-07 | 2004-02-11 | 英业达股份有限公司 | Call Cut-in control method |
| CN101790205A (en) * | 2010-02-05 | 2010-07-28 | 中国科学院计算技术研究所 | Collaborative management method and system of wireless resources under multiple services |
| CN102026204A (en) * | 2010-12-31 | 2011-04-20 | 长江大学 | Dynamic frequency allocation method for cognitive radio cellular network |
| CN102186260A (en) * | 2011-05-19 | 2011-09-14 | 高汉中 | Peacetime/disaster compatible wireless communication network and communication method thereof |
| CN102238730A (en) * | 2011-07-25 | 2011-11-09 | 电信科学技术研究院 | Radio resource management method and device |
| CN102413474A (en) * | 2012-01-04 | 2012-04-11 | 西安电子科技大学 | Self-adaption trust management system and method of cognitive radio network |
| US8213376B2 (en) * | 2010-02-17 | 2012-07-03 | King Fahd University Of Petroleum And Minerals | OFDMA power allocation method |
-
2013
- 2013-03-01 CN CN201310083692.6A patent/CN104023338A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1430428A (en) * | 2001-12-29 | 2003-07-16 | 厦门雅迅网络股份有限公司 | Method of dynamic allocating radio channel resource for mobile station |
| CN1474617A (en) * | 2002-08-07 | 2004-02-11 | 英业达股份有限公司 | Call Cut-in control method |
| CN101790205A (en) * | 2010-02-05 | 2010-07-28 | 中国科学院计算技术研究所 | Collaborative management method and system of wireless resources under multiple services |
| US8213376B2 (en) * | 2010-02-17 | 2012-07-03 | King Fahd University Of Petroleum And Minerals | OFDMA power allocation method |
| CN102026204A (en) * | 2010-12-31 | 2011-04-20 | 长江大学 | Dynamic frequency allocation method for cognitive radio cellular network |
| CN102186260A (en) * | 2011-05-19 | 2011-09-14 | 高汉中 | Peacetime/disaster compatible wireless communication network and communication method thereof |
| CN102238730A (en) * | 2011-07-25 | 2011-11-09 | 电信科学技术研究院 | Radio resource management method and device |
| CN102413474A (en) * | 2012-01-04 | 2012-04-11 | 西安电子科技大学 | Self-adaption trust management system and method of cognitive radio network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102547721B (en) | The method of share spectrum resources, equipment and system | |
| CN103067985B (en) | The binding of ultrahigh speed wireless lan channel and distribution method based on channel quality | |
| CN105813214B (en) | A kind of resource regulating method, equipment and the system of shared network | |
| CN102843697B (en) | Disturbance restraining method between different system in frequency spectrum share situation and equipment | |
| CN105007210B (en) | Network virtualization frame in long evolving system and resource block allocation method | |
| CN103249049B (en) | A kind of method and apparatus of Resourse Distribute | |
| CN104619029A (en) | Method and device for allocating baseband pool resources under integrated cellular network architecture | |
| CN102457587A (en) | IP address assignment method and equipment | |
| CN105791355A (en) | Open multi-service cellular network system and service implementation method | |
| CN102833756A (en) | Method for transmitting data by single subband user in OFDM (orthogonal frequency division multiplexing) system | |
| Alabbasi et al. | Delay-aware green hybrid CRAN | |
| CN103945549A (en) | Baseband processing resource allocation system under C-RAN architecture | |
| CN101772168B (en) | Method, device and communication system for resource configuration and data transmission | |
| CN102387497B (en) | Base station and allocation method of radio network temporary identities | |
| CN101437292B (en) | Method and apparatus for scheduling time frequency resource of OFDM system | |
| CN105530650A (en) | Method and device for network resource planning | |
| CN102665283A (en) | Distributed wireless channel allocation and device suitable for smart grids | |
| CN101232697B (en) | System and method for distributing carrier wave frequency range in cellular mobile communication system | |
| CN102457972B (en) | Same-frequency networking method and device for different time slot allocations | |
| CN101437011A (en) | Method for distributing time frequency resource of OFDM system and system thereof | |
| CN102870482A (en) | Method and apparatus for traffic channel assignment | |
| CN103906241B (en) | A kind of method and device for carrying out channel resource allocation | |
| CN102387554B (en) | Method for allocating inter-cell interference coordination (ICIC) resource | |
| CN102143531A (en) | Carrier management method, base station and system for carrier aggregation system | |
| CN109874138B (en) | Channel measuring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140903 |