CN101742660B - Method and device for distributing multi-carrier frequency - Google Patents
Method and device for distributing multi-carrier frequency Download PDFInfo
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- CN101742660B CN101742660B CN201010110387.8A CN201010110387A CN101742660B CN 101742660 B CN101742660 B CN 101742660B CN 201010110387 A CN201010110387 A CN 201010110387A CN 101742660 B CN101742660 B CN 101742660B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0042—Arrangements for allocating sub-channels of the transmission path intra-user or intra-terminal allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method for distributing multi-carrier frequency. A system detects the carrier frequency number distributed to a terminal, determines a candidate carrier frequency set when the distributed carrier frequency number reaches the maximum distributed carrier frequency number preset by the terminal, distributes one carrier frequency recommended by the system in the candidate carrier frequency set to the distributed carrier frequency set of the terminal, updates the distributed carrier frequency number, and then redetects the carrier frequency number distributed to the terminal. The invention discloses a device for distributing the multi-carrier frequency at the same time. Through the scheme of the invention, carrier frequencies which have certain number and optimal carrier frequency conditions, and meet the user frequency width limitation and service requirements can be reasonably and efficiently found out and distributed to the terminal so as to meet the requirement of a high-rate packet data protocol B version system.
Description
Technical field
The present invention relates to carrier frequency distribution technology, relate in particular to a kind of distribution method and device of multi-carrier frequency.
Background technology
Code division multiple access (CDMA, Code Division Multiple Access) High Rate Packet Data (HRPD of technology, High Rate Packet Data) protocol version evolves to B version (RevB, Revision B) after, introduced multi-carrier frequency binding technology, allow for a terminal and distribute a plurality of carrier frequency simultaneously, so that higher data transfer rate to be provided.For example, before terminal, reverse symmetry is distributed three carrier frequency if, and forward direction just can provide the peak rate of 14.7Mbps so, and the peak rate of 5.4Mbps oppositely can be provided.But, due to the restriction of terminal self, for a plurality of carrier frequency of terminal distribution also must, in certain frequency width, be the highest centre frequency of terminal distribution carrier frequency and the difference of lowest center frequency and can not surpass certain thresholding.
Existing system is that same terminal only need be distributed a carrier frequency, therefore carrier distribution method is not just thought of as the number problem of terminal distribution carrier frequency, also do not consider the problem of distribute of maximum frequency difference between carrier frequency simultaneously, obviously, current this carrier distribution method can not meet the needs of RevB system.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of distribution method and device of multi-carrier frequency, can distribute a plurality of carrier frequency for terminal simultaneously.
For achieving the above object, technical scheme of the present invention is achieved in that
The distribution method of a kind of multi-carrier frequency provided by the invention, this distribution method comprises:
System detects the carrier frequency number distributed to terminal, and when distributing carrier frequency number not to be reached for the default maximum allocated carrier frequency of terminal to count, system is determined candidate carrier frequencies collection;
The carrier frequency distribution that candidate carrier frequencies central system self is recommended is to the carrier frequency of the distribution collection of terminal, and renewal has distributed carrier frequency number;
System detects the carrier frequency number of having distributed to terminal again.
In such scheme, described system determines that candidate carrier frequencies collection is specially: all available carrier frequency of community, system acquisition terminal place, generates available carrier frequencies collection; Available carrier frequencies is concentrated to meet distributes the carrier frequency requiring to add candidate carrier frequencies collection.
In such scheme, described available carrier frequencies is concentrated to meet distribute the carrier frequency requiring to add candidate carrier frequencies collection to be specially: system will distribute the concentrated carrier frequency of carrier frequency to concentrate and reject from available carrier frequencies, and by remaining carrier frequency with distribute the concentrated carrier frequency of carrier frequency to carry out the comparison of centre frequency, reject the carrier frequency that does not meet band width restriction, generate current carrier frequency collection; Then, system adds candidate carrier frequencies collection by the concentrated carrier frequency of current carrier frequency.
In such scheme, described the concentrated carrier frequency of current carrier frequency is added before candidate carrier frequencies collection and further comprised: system is rejected the excessive carrier frequency of current carrier frequency concentrated load.
In such scheme, describedly add candidate carrier frequencies collection to comprise the concentrated carrier frequency of current carrier frequency: system carries out adding candidate carrier frequencies collection after the screening of maximum allocated group to the concentrated carrier frequency of current carrier frequency.
In such scheme, when candidate carrier frequencies is concentrated the carrier frequency that there is no system self recommendation, the method further comprises: the carrier frequency of the distribution collection by a carrier frequency distribution of candidate carrier frequencies concentrated load minimum to terminal, upgrades and distributed carrier frequency number, and notice detects carrier frequency digital-to-analogue piece.
The distributor of a kind of multi-carrier frequency provided by the invention, this device comprises: detect carrier frequency digital-to-analogue piece, the first judge module, candidate carrier frequencies collection module, the second judge module, distribution module; Wherein,
Detect carrier frequency digital-to-analogue piece, for detection of the carrier frequency number of distributing to terminal;
The first judge module, for according to having distributed to the carrier frequency number of terminal, the carrier frequency number of having distributed to terminal in judgement is not reached for the default maximum allocated carrier frequency of terminal while counting, notice candidate carrier frequencies collection module;
Candidate carrier frequencies collection module, distributes the carrier frequency requiring to add candidate carrier frequencies collection for all available carrier frequency of community, terminal place is met;
The second judge module, for when judgement candidate carrier frequencies collection is not sky, notice distribution module;
Distribution module, for the carrier frequency of the distribution collection to terminal by a carrier frequency distribution of candidate carrier frequencies central system self recommendation, upgrades and distributed carrier frequency number, and notice detects carrier frequency digital-to-analogue piece.
In such scheme, described candidate carrier frequencies collection module further comprises:
Available carrier frequencies collection module, for obtaining all available carrier frequency of community, terminal place, generates available carrier frequencies collection;
Described candidate carrier frequencies collection module distributes the carrier frequency requiring to add candidate carrier frequencies collection to be specially by meeting in all carrier frequency of community, terminal place: candidate carrier frequencies collection module will distribute the concentrated carrier frequency of carrier frequency to concentrate and reject from available carrier frequencies, and by remaining carrier frequency with distribute the concentrated carrier frequency of carrier frequency to carry out the comparison of centre frequency, reject the carrier frequency that does not meet band width restriction, generate current carrier frequency collection, the concentrated carrier frequency of current carrier frequency is added to candidate carrier frequencies collection.
In such scheme, described candidate carrier frequencies collection module is further also for rejecting the excessive carrier frequency of current carrier frequency concentrated load; And/or,
Described candidate carrier frequencies collection module further comprises screening module, for the concentrated carrier frequency of current carrier frequency is carried out adding candidate carrier frequencies collection after the screening of maximum allocated group.
In such scheme, described distribution module is further also for concentrating in candidate carrier frequencies while there is no a carrier frequency that system self recommends, the carrier frequency of distribution collection by a carrier frequency distribution of candidate carrier frequencies concentrated load minimum to terminal, upgrades and has distributed carrier frequency number, and notice detects carrier frequency digital-to-analogue piece.
The distribution method of a kind of multi-carrier frequency provided by the invention and device, system detects the carrier frequency number of having distributed to terminal, when distributing carrier frequency number not to be reached for the default maximum allocated carrier frequency of terminal to count, system is determined candidate carrier frequencies collection, the carrier frequency distribution that candidate carrier frequencies central system self is recommended is to the carrier frequency of the distribution collection of terminal, and upgrade and distributed carrier frequency number, then system can detect the carrier frequency number of having distributed to terminal more again; So, can rationally find out efficiently carrier frequency distribution some, carrier frequency situation optimum, that meet the restriction of user's band width and business demand to terminal, use the solution of the present invention, both can make the carrier frequency resource of system be fully used, also can make carrier frequency carry out effective load sharing, meet the needs of RevB system.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that the present invention realizes a kind of distribution method of multi-carrier frequency;
Fig. 2 is the schematic flow sheet that system is rejected the method for the excessive carrier frequency of current carrier frequency concentrated load;
To be system carry out adding after the screening of maximum allocated group the schematic flow sheet of the method for candidate carrier frequencies collection to the concentrated carrier frequency of current carrier frequency to Fig. 3;
Fig. 4 is the structural representation that the present invention realizes a kind of distributor of multi-carrier frequency.
Embodiment
Basic thought of the present invention is: system detects the carrier frequency number distributed to terminal, and when distributing carrier frequency number not to be reached for the default maximum allocated carrier frequency of terminal to count, system is determined candidate carrier frequencies collection; The carrier frequency distribution that candidate carrier frequencies central system self is recommended is to the carrier frequency of the distribution collection of terminal, and renewal has distributed carrier frequency number, system again to detect the carrier frequency number of having distributed to terminal; Until while having distributed carrier frequency number to be reached for the default maximum allocated carrier frequency of terminal to count or candidate carrier frequencies collection carrier frequency distribution when empty finish.
Described system determines that candidate carrier frequencies collection is specially: all available carrier frequency of community, system acquisition terminal place, generates available carrier frequencies collection; Available carrier frequencies is concentrated to meet distributes the carrier frequency requiring to add candidate carrier frequencies collection.
The carrier frequency that described system self is recommended specifically refers to the carrier frequency of system recommendation terminal access or according to the carrier frequency of the signal quality of the coverage condition of carrier frequency, carrier frequency and actual default recommendations such as network configuration cases.
Below by drawings and the specific embodiments, the present invention is described in further detail.
The present invention realizes a kind of distribution method of multi-carrier frequency, and as shown in Figure 1, the method comprises following step:
Step 101: whether the carrier frequency number that terminal has been distributed in system judgement is reached for the default maximum allocated carrier frequency number of terminal, when not reaching, execution step 102; While reaching, execution step 106;
Concrete, system detect for this terminal distribute the concentrated carrier frequency number of carrier frequency, judgement has distributed carrier frequency number whether to be reached for the default maximum allocated carrier frequency number of terminal, when not reaching, execution step 102; While reaching, execution step 106; The described carrier frequency collection that distributed is for the set of terminal carrier frequency of system assignment when connecting system of storage; Described is that the default maximum allocated carrier frequency number of terminal is that system is carried out default maximum allocated carrier frequency number according to the type of service of the grade of terminal, terminal use, the residing geographic area of terminal etc.
Step 102: all available carrier frequency of community, system acquisition terminal place, generates available carrier frequencies collection;
Step 103: system is concentrated available carrier frequencies to meet and distributed the carrier frequency requiring to add candidate carrier frequencies collection;
Concrete, system will distribute the concentrated carrier frequency of carrier frequency to concentrate and reject from available carrier frequencies, and by remaining carrier frequency with distribute the concentrated carrier frequency of carrier frequency to carry out the comparison of centre frequency, reject the carrier frequency that does not meet band width restriction, generate current carrier frequency collection; Then, system adds candidate carrier frequencies collection by the concentrated carrier frequency of current carrier frequency.The described carrier frequency that does not meet band width restriction is specially the concentrated carrier frequency of current carrier frequency and concentrates the center frequency difference of at least one carrier frequency to surpass the restriction of terminal to band width with distributing carrier frequency;
Further, in this step, system obtains candidate carrier frequencies collection after rejecting the excessive carrier frequency of current carrier frequency concentrated load, as shown in Figure 2, comprises the steps:
Step 201: concentrate and find out the carrier frequency that load is the lightest in current carrier frequency;
Described load the gentliest can refer to the minimum or forward direction of number of users and/or reverse flow minimum etc.;
Step 202: concentrate and obtain first carrier frequency in current carrier frequency, if successfully get carrier frequency, enter step 203, otherwise flow process finishes;
Step 203: the load of the carrier frequency that gets of judgement whether be greater than absolute load thresholding and be greater than load load frequently of underloading and relative load thresholding and, if be all greater than, perform step 204, otherwise, perform step 205;
Described absolute load thresholding is for weighing the thresholding of the absolute payload of carrier frequency, if the load of carrier frequency is no more than this thresholding, can thinks that the load of carrier frequency is lighter, otherwise think that the load of carrier frequency is heavier; Described relative load thresholding is for weighing the thresholding of carrier frequency relative load size, if the value that carrier frequency load surpasses another carrier frequency load is not more than this thresholding, relatively the load of another carrier frequency is slightly heavy can to think this carrier frequency, otherwise can think this carrier frequency overload of another carrier frequency relatively.
Step 204: this carrier frequency is concentrated and rejected from current carrier frequency;
Step 205: concentrate and obtain next carrier frequency in current carrier frequency, if successfully get carrier frequency, enter step 203, otherwise flow process finishes.
Further, in this step, system can also carry out adding candidate carrier frequencies collection after the screening of maximum allocated group to the concentrated carrier frequency of current carrier frequency, as shown in Figure 3, comprises the following steps:
Step 301: be provided for recording the current maximum carrier frequency number of the carrier frequency number of available carrier frequencies combination, be initialized as 0; And be provided for depositing the interim carrier frequency collection of carrier frequency temporarily, when initial, be sky;
Step 302: first carrier frequency of system acquisition current carrier frequency collection, if successfully get carrier frequency, performs step 303, otherwise enter step 311;
Described while successfully getting carrier frequency, for the ease of the description of later step, the carrier frequency here this being obtained is called carrier frequency X;
Step 303: add up all comprise carrier frequency X and distributed carrier frequency and each carrier frequency between the radio combinations of center of maximum difference on the frequency in the band width that terminal allows in carrier frequency number, find out the combination that carrier frequency is counted maximum;
Center of maximum difference on the frequency between described carrier frequency refers to the centre frequency difference between center of maximum frequency carrier frequency and minimum centre frequency carrier frequency in radio combinations.
Step 304: whether the carrier frequency number of the radio combinations that judgement is found out is more than or equal to the maximum allocated carrier frequency number into user preset, if be more than or equal to, performs step 305, otherwise execution step 306;
Step 305: carrier frequency X is put into candidate carrier frequencies collection, enter step 310;
Step 306: whether the carrier frequency number that judges this radio combinations is greater than current maximum carrier frequency number, if be greater than, performs step 307, otherwise execution step 308;
Step 307: upgrade the carrier frequency number that current maximum carrier frequency number is this radio combinations, empty interim carrier frequency collection, carrier frequency X is put into interim carrier frequency collection, execution step 310;
Step 308: whether the carrier frequency number that judges this radio combinations equals current maximum carrier frequency number, if equaled, performs step 309, otherwise execution step 310;
Step 309: carrier frequency X is put into interim carrier frequency collection;
Step 310: obtain the next carrier frequency that current carrier frequency is concentrated, if successfully get carrier frequency, perform step 303; Otherwise execution step 311;
Step 311: judge whether that candidate carrier frequencies collection is for empty and interim carrier frequency collection is for empty, candidate carrier frequencies collection be empty and interim carrier frequency collection when empty, perform step 312, otherwise flow process finishes;
Step 312: the carrier frequency of interim carrier frequency collection is put into candidate carrier frequencies collection, and flow process finishes.
Described step 103 finishes.
Step 104: judge that whether candidate carrier frequencies collection is empty, if be not empty, performs step 105; Otherwise execution step 106;
Step 105: the carrier frequency distribution that candidate carrier frequencies central system self is recommended is to the carrier frequency of the distribution collection of terminal, and renewal has distributed carrier frequency number, execution step 101;
Further, in this step, when candidate carrier frequencies is concentrated a carrier frequency that there is no system self recommendation, system is the carrier frequency of the distribution collection to terminal by a carrier frequency distribution of load minimum, and upgrades and distributed carrier frequency number, execution step 101.
Step 106: finish carrier frequency distribution process.
Based on said method, the present invention also provides a kind of distributor of multi-carrier frequency, and as shown in Figure 4, this device comprises: detect carrier frequency digital-to-analogue piece 41, the first judge module 42, candidate carrier frequencies collection module 43, the second judge module 44, distribution module 45; Wherein,
Detect carrier frequency digital-to-analogue piece 41, for detection of the carrier frequency number of distributing to terminal;
The first judge module 42, for according to having distributed to the carrier frequency number of terminal, the carrier frequency number of having distributed to terminal in judgement is when not being reached for the default maximum allocated carrier frequency of terminal and counting, notice candidate carrier frequencies collection module 43;
Further, the carrier frequency number that described the first judge module 42 has been distributed to terminal in judgement is when being reached for the default maximum allocated carrier frequency of terminal and counting, and notice finishes module 47;
Further, this device also comprises end module 47, for finishing to distribute carrier frequency;
Candidate carrier frequencies collection module 43, distributes the carrier frequency requiring to add candidate carrier frequencies collection for all available carrier frequency of community, terminal place is met;
Further, candidate carrier frequencies collection module 43 also comprises available carrier frequencies collection module 46, for obtaining all available carrier frequency of community, terminal place, generates available carrier frequencies collection;
Described candidate carrier frequencies collection module 43 distributes the carrier frequency requiring to add candidate carrier frequencies collection to be specially by meeting in all carrier frequency of community, terminal place: will distribute the concentrated carrier frequency of carrier frequency to concentrate and reject from available carrier frequencies, and by remaining carrier frequency with distribute the concentrated carrier frequency of carrier frequency to carry out the comparison of centre frequency, reject the carrier frequency that does not meet band width restriction, generate current carrier frequency collection, the concentrated carrier frequency of current carrier frequency is added to candidate carrier frequencies collection.
Further, described candidate carrier frequencies collection module 43 is also for rejecting the excessive carrier frequency of current carrier frequency concentrated load;
Concrete, described candidate carrier frequencies collection module 43 is concentrated and is found out the carrier frequency that load is the lightest in current carrier frequency; In current carrier frequency, concentrate and obtain first carrier frequency, when successfully getting carrier frequency, the load of the carrier frequency that gets of judgement whether be greater than absolute load thresholding and be greater than load load frequently of underloading and relative load thresholding and, when being all greater than, this carrier frequency is concentrated and rejected from current carrier frequency, and concentrate and obtain next carrier frequency in current carrier frequency, repeat said process, until obtain not then.
Further, described candidate carrier frequencies collection module 43 also comprises screening module 48, for the concentrated carrier frequency of current carrier frequency is carried out adding candidate carrier frequencies collection after the screening of maximum allocated group;
Concrete, screening module 48 arranges current maximum carrier frequency number, is initialized as 0; And interim carrier frequency collection is set, when initial, be empty; Obtain first carrier frequency of current carrier frequency collection, when successfully getting carrier frequency, add up all comprise this carrier frequency and distributed carrier frequency and each carrier frequency between the radio combinations of center of maximum difference on the frequency in the band width that terminal allows in carrier frequency number, find out carrier frequency and count the combination of maximum, whether the carrier frequency number of the radio combinations that judgement is found out is more than or equal to the maximum allocated carrier frequency number into user preset, when being more than or equal to, this carrier frequency is put into candidate carrier frequencies collection; Otherwise when the carrier frequency number of this radio combinations of judgement is more than or equal to current maximum carrier frequency and counts, this carrier frequency is put into interim carrier frequency collection, and obtain the next carrier frequency that current carrier frequency is concentrated, repeat said process, until obtain less than and judge when candidate carrier frequencies collection is not empty for empty interim carrier frequency collection, the carrier frequency of interim carrier frequency collection is put into candidate carrier frequencies collection; When the carrier frequency number of this radio combinations of judgement is less than current maximum carrier frequency and counts, directly obtain the next carrier frequency that current carrier frequency is concentrated, repeat said process, until obtain less than and judge when candidate carrier frequencies collection is not empty for empty interim carrier frequency collection, the carrier frequency of interim carrier frequency collection is put into candidate carrier frequencies collection; Wherein, when the carrier frequency number of this radio combinations of judgement is greater than current maximum carrier frequency and counts, described screening module 48 also, for the carrier frequency number that to upgrade current maximum carrier frequency number be this radio combinations, empties interim carrier frequency collection.
The second judge module 44, for when judgement candidate carrier frequencies collection is not sky, notice distribution module 45;
Further, when described the second judge module 44 is empty at judgement candidate carrier frequencies collection, notice finishes module 47;
Distribution module 45, for the carrier frequency of the distribution collection to terminal by a carrier frequency distribution of candidate carrier frequencies central system self recommendation, upgrades and distributed carrier frequency number, and notice detects carrier frequency digital-to-analogue piece 41;
Further, described distribution module 45, also for concentrating in candidate carrier frequencies while there is no a carrier frequency that system self recommends, the carrier frequency of the distribution collection by a carrier frequency distribution of candidate carrier frequencies concentrated load minimum to terminal, upgrade and distributed carrier frequency number, and notice detects carrier frequency digital-to-analogue piece 41.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a distribution method for multi-carrier frequency, is characterized in that, described distribution method comprises:
System detects the carrier frequency number distributed to terminal, and when distributing carrier frequency number not to be reached for the default maximum allocated carrier frequency of terminal to count, system is determined candidate carrier frequencies collection;
The carrier frequency distribution that candidate carrier frequencies central system self is recommended is to the carrier frequency of the distribution collection of terminal, and renewal has distributed carrier frequency number;
System detects the carrier frequency number of having distributed to terminal again;
Described system determines that candidate carrier frequencies collection is: all available carrier frequency of community, system acquisition terminal place, generates available carrier frequencies collection; Available carrier frequencies is concentrated to meet distributes the carrier frequency requiring to add candidate carrier frequencies collection;
Described available carrier frequencies is concentrated to meet distribute the carrier frequency requiring to add candidate carrier frequencies collection to be: system will distribute the concentrated carrier frequency of carrier frequency to concentrate and reject from available carrier frequencies, and by remaining carrier frequency with distribute the concentrated carrier frequency of carrier frequency to carry out the comparison of centre frequency, reject the carrier frequency that does not meet band width restriction, generate current carrier frequency collection; Then, system adds candidate carrier frequencies collection by the concentrated carrier frequency of current carrier frequency;
Describedly add candidate carrier frequencies collection to comprise the concentrated carrier frequency of current carrier frequency: system carries out adding candidate carrier frequencies collection after the screening of maximum allocated group to the concentrated carrier frequency of current carrier frequency, specifically: step 1, current maximum carrier frequency number and interim carrier frequency collection are set; Step 2, obtain first carrier frequency of current carrier frequency collection; Step 3, when successfully getting carrier frequency, add up all comprise obtained carrier frequency and distributed carrier frequency and each carrier frequency between the radio combinations of center of maximum difference on the frequency in the band width that terminal allows in carrier frequency number, find out carrier frequency and count the combination of maximum, whether the carrier frequency number of the radio combinations that judgement is found out is more than or equal to the maximum allocated carrier frequency number into user preset, when being more than or equal to, obtained carrier frequency is put into candidate carrier frequencies collection; Step 4 otherwise the carrier frequency number that judges described radio combinations is more than or equal to current maximum carrier frequency while counting, puts into interim carrier frequency collection by obtained carrier frequency; Step 5, obtain the next carrier frequency that current carrier frequency is concentrated; Repeating step three, step 4, step 5 process, until obtain less than and judge when candidate carrier frequencies collection is not empty for empty interim carrier frequency collection, put into candidate carrier frequencies collection by the carrier frequency of interim carrier frequency collection.
2. distribution method according to claim 1, is characterized in that, described the concentrated carrier frequency of current carrier frequency is added before candidate carrier frequencies collection and further comprised: system is rejected the excessive carrier frequency of current carrier frequency concentrated load.
3. according to the arbitrary described distribution method of claim 1 to 2, it is characterized in that, when candidate carrier frequencies is concentrated the carrier frequency that there is no system self recommendation, the method further comprises: the carrier frequency of the distribution collection by a carrier frequency distribution of candidate carrier frequencies concentrated load minimum to terminal, upgrade and distributed carrier frequency number, and notice is for detection of the detection carrier frequency digital-to-analogue piece of distributing to the carrier frequency number of terminal.
4. a distributor for multi-carrier frequency, is characterized in that, described device comprises: detect carrier frequency digital-to-analogue piece, the first judge module, candidate carrier frequencies collection module, the second judge module, distribution module; Wherein,
Detect carrier frequency digital-to-analogue piece, for detection of the carrier frequency number of distributing to terminal;
The first judge module, for according to having distributed to the carrier frequency number of terminal, the carrier frequency number of having distributed to terminal in judgement is not reached for the default maximum allocated carrier frequency of terminal while counting, notice candidate carrier frequencies collection module;
Candidate carrier frequencies collection module, distributes the carrier frequency requiring to add candidate carrier frequencies collection for all available carrier frequency of community, terminal place is met;
The second judge module, for when judgement candidate carrier frequencies collection is not sky, notice distribution module;
Distribution module, for the carrier frequency of the distribution collection to terminal by a carrier frequency distribution of candidate carrier frequencies central system self recommendation, upgrades and distributed carrier frequency number, and notice detects carrier frequency digital-to-analogue piece;
Described candidate carrier frequencies collection module distributes the carrier frequency requiring to add candidate carrier frequencies collection to be by meeting in all available carrier frequency of community, terminal place: candidate carrier frequencies collection module will distribute the concentrated carrier frequency of carrier frequency to concentrate and reject from available carrier frequencies, and by remaining carrier frequency with distribute the concentrated carrier frequency of carrier frequency to carry out the comparison of centre frequency, reject the carrier frequency that does not meet band width restriction, generate current carrier frequency collection, the concentrated carrier frequency of current carrier frequency is added to candidate carrier frequencies collection;
Described candidate carrier frequencies collection module further comprises: available carrier frequencies collection module and screening module; Wherein,
Available carrier frequencies collection module, for obtaining all available carrier frequency of community, terminal place, generates available carrier frequencies collection;
Screening module, for carrying out adding candidate carrier frequencies collection after the screening of maximum allocated group to the concentrated carrier frequency of current carrier frequency; Comprise: step 1, current maximum carrier frequency number and interim carrier frequency collection are set; Step 2, obtain first carrier frequency of current carrier frequency collection; Step 3, when successfully getting carrier frequency, add up all comprise obtained carrier frequency and distributed carrier frequency and each carrier frequency between the radio combinations of center of maximum difference on the frequency in the band width that terminal allows in carrier frequency number, find out carrier frequency and count the combination of maximum, whether the carrier frequency number of the radio combinations that judgement is found out is more than or equal to the maximum allocated carrier frequency number into user preset, when being more than or equal to, obtained carrier frequency is put into candidate carrier frequencies collection; Step 4 otherwise the carrier frequency number that judges described radio combinations is more than or equal to current maximum carrier frequency while counting, puts into interim carrier frequency collection by obtained carrier frequency; Step 5, obtain the next carrier frequency that current carrier frequency is concentrated; Repeating step three, step 4, step 5 process, until obtain less than and judge when candidate carrier frequencies collection is not empty for empty interim carrier frequency collection, put into candidate carrier frequencies collection by the carrier frequency of interim carrier frequency collection.
5. distributor according to claim 4, is characterized in that, described candidate carrier frequencies collection module is further also for rejecting the excessive carrier frequency of current carrier frequency concentrated load.
6. distributor according to claim 4, it is characterized in that, described distribution module is further also for concentrating in candidate carrier frequencies while there is no a carrier frequency that system self recommends, the carrier frequency of distribution collection by a carrier frequency distribution of candidate carrier frequencies concentrated load minimum to terminal, upgrade and distributed carrier frequency number, and notice detects carrier frequency digital-to-analogue piece.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010110387.8A CN101742660B (en) | 2010-02-02 | 2010-02-02 | Method and device for distributing multi-carrier frequency |
| PCT/CN2010/079199 WO2011095032A1 (en) | 2010-02-02 | 2010-11-26 | Multi-carrier frequency assignment method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010110387.8A CN101742660B (en) | 2010-02-02 | 2010-02-02 | Method and device for distributing multi-carrier frequency |
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| CN101742660A CN101742660A (en) | 2010-06-16 |
| CN101742660B true CN101742660B (en) | 2014-09-10 |
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| CN101742660B (en) * | 2010-02-02 | 2014-09-10 | 中兴通讯股份有限公司 | Method and device for distributing multi-carrier frequency |
| CN102647795B (en) * | 2012-03-29 | 2015-10-21 | 中兴通讯股份有限公司 | The method and apparatus of carrier frequency is distributed according to user gradation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047462A (en) * | 2006-03-27 | 2007-10-03 | 上海宇梦通信科技有限公司 | Broadband CDMA multiple carrier frequency selecting method based on OVSF code |
| CN101137184A (en) * | 2006-12-06 | 2008-03-05 | 中兴通讯股份有限公司 | Carrier distribution method and distributor |
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| CN101742660B (en) * | 2010-02-02 | 2014-09-10 | 中兴通讯股份有限公司 | Method and device for distributing multi-carrier frequency |
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- 2010-11-26 WO PCT/CN2010/079199 patent/WO2011095032A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047462A (en) * | 2006-03-27 | 2007-10-03 | 上海宇梦通信科技有限公司 | Broadband CDMA multiple carrier frequency selecting method based on OVSF code |
| CN101137184A (en) * | 2006-12-06 | 2008-03-05 | 中兴通讯股份有限公司 | Carrier distribution method and distributor |
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| WO2011095032A1 (en) | 2011-08-11 |
| CN101742660A (en) | 2010-06-16 |
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