CN101500312A - Available resource allocation method - Google Patents
Available resource allocation method Download PDFInfo
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- CN101500312A CN101500312A CNA2008100652851A CN200810065285A CN101500312A CN 101500312 A CN101500312 A CN 101500312A CN A2008100652851 A CNA2008100652851 A CN A2008100652851A CN 200810065285 A CN200810065285 A CN 200810065285A CN 101500312 A CN101500312 A CN 101500312A
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- available resources
- portable terminal
- group
- base station
- assignment messages
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Abstract
The invention discloses an allocating method of available resources. The method is applied to a communication system based on the OFDMA (Orthogonal Frequency Division Multiple Access) system. The system allocates mobile terminals into different groups, each of which is identified by a group number; on a downlink, a base station allocates the downlink available resources for the groups which need to send the downlink data, and informs the allocated available resource information of the mobile terminals in the groups by the allocated information of the downlink available resources; and on an uplink, the base station allocates the uplink available resources for the group which needs to send the uplink data, and informs the allocated resource information to the mobile terminals by the allocated information of the uplink available resources,. Compared with the allocating mode of the available resources based on single movable terminal in the prior art, the allocating method of available resources can reduce the number of resource allocation messages, save the control overhead of the system, improve the system spectrum efficiency and increase the system capacity.
Description
Technical field
The invention belongs to field of data transmission, relate to available resources distribution method in the data transmission system that adopts base station centralized scheduling control.
Background technology
In the data communication system, the base station is to show the equipment that portable terminal provides wireless access, and the base station communicates by uplink downlink and portable terminal, and the direction of portable terminal is arrived in the descending base station that is meant, the up direction that is meant portable terminal to the base station.A plurality of portable terminals can send data by up link to the base station simultaneously, also can receive data simultaneously from the base station by down link.
Adopt in the data transmission system of base station centralized scheduling control, the scheduling of all available resources of system distributes carries out the available resources situation that can use when available resources distribution condition and portable terminal carried out uplink when for example downlink transfer was carried out in the base station etc. by the base station.
In traditional data transmission system, the base station is wanted when the base station sends data to certain portable terminal transmission data or certain portable terminal at every turn, all needing the base station to send available resources immediately distributes the control Overhead Message to this portable terminal, can waste valuable system's available resources like this, reduce the efficient of system.
Based on this, the present invention proposes a kind of based on the bandwidth availability ratio of the available resources distribution method of organizing with the raising data transmission system.
Summary of the invention
The objective of the invention is to reduce and adopt available resources assignment overhead message number in the data transmission system, improve the purpose that system transmissions efficient increases power system capacity to reach.Propose in a kind of data transmission system based on the available resources distribution method of organizing based on this purpose, this method is applied in the communication system based on the OFDMA standard, this system is assigned to portable terminal in the different groups, every group by a group number sign, the base station is for need sending the descending available resources of set of dispense of downlink data, and with the resource information of distributing by the portable terminal in the descending available resources assignment messages group of notifications.
Further, said method also has following characteristics, and the portable terminal in the group receives opportunity according to the described descending available resource information determination data of receiving.
Further, said method also has following characteristics, described descending available resources assignment messages comprises available resources distribution locations information and identifies the opportunity that portable terminal receives data, also comprises identification field and identifies the portable terminal that obtains the descending available resources of base station assigns in this group.
Further, said method also has following characteristics, and described descending available resources assignment messages also comprises cycle available resources allocation identification, and group number also comprises instant available resources allocation identification, modulating-coding pattern, information such as diversity mode.
Further, said method also has following characteristics, and the method for salary distribution of described descending available resources is periodic or instant,
Periodically the method for salary distribution of available resources is meant that the base station only needs for the first time for the descending available resources of set of dispense the time portable terminal transmission primaries available resources assignment messages in group;
The method of salary distribution of instant available resources is meant that the base station at every turn during the new packet of the transmission of the portable terminal in group, all needs to resend available resources assignment messages in the group.
Further, said method also has following characteristics, the corresponding portable terminal of each bit of described identification field, and bit is determined in the set of dispense process with the corresponding order between the portable terminal.
In a kind of data transmission system based on the group the available resources distribution method, this method is applied in the communication system based on the OFDMA standard, this system is assigned to portable terminal in the different groups, every group by a group number sign, the base station is for need sending the up available resources of set of dispense of upstream data, and with the resource information of distributing by the portable terminal in the up available resources assignment messages group of notifications.
Further, said method also has following characteristics, and the portable terminal in the group sends opportunity according to the described up available resource information determination data of receiving.
Further, said method also has following characteristics, described up available resources assignment messages comprises available resources distribution locations information and identifies the opportunity that portable terminal sends data, also comprises identification field and identifies the portable terminal that obtains the up available resources of base station assigns in this group.
Further, said method also has following characteristics, and described up available resources assignment messages also comprises cycle available resources allocation identification, and group number also comprises instant available resources allocation identification, modulating-coding pattern, information such as diversity mode.
Further, said method also has following characteristics, and the method for salary distribution of described up available resources is periodic or instant,
Periodically the method for salary distribution of available resources is meant that the base station only needs for the first time for the up available resources of set of dispense the time portable terminal transmission primaries available resources assignment messages in group;
The method of salary distribution of instant available resources is meant that the base station all needed to resend up available resources assignment messages in the group when portable terminal transmitted new packet in each group.
Further, said method also has following characteristics, the corresponding portable terminal of each bit of described identification field, and bit is determined in the set of dispense process with the corresponding order between the portable terminal.
The present invention adopts the available resources method of salary distribution based on group, compare with the storage availability method of salary distribution based on single mobile terminal in the prior art, reduced the quantity of resource allocation message, saved the control expense of system, improve system spectral efficiency, improved the capacity of system.
Description of drawings
Fig. 1 is a specific implementation flow process of the present invention (base station-portable terminal).
Fig. 2 is a specific implementation flow process of the present invention (portable terminal-base station).
Embodiment
Further specify the present invention below in conjunction with drawings and Examples.
Fig. 1 has described concrete use of method in the data transmission system that adopts OFDM (orthogonalfrequency division multiplexing) technology that the present invention proposes, supposing the system is assigned to portable terminal in the different groups according to type of service, every group identifies by a group number, and step is as follows:
In the described step 101, which portable terminal comprises identification field in the descending available resources message is used for identifying in this group to obtain the base station is the descending available resources of set of dispense, corresponding portable terminal of each bit in the identification field, bit is determined in the set of dispense process with the corresponding order between the portable terminal, usually bit ' 1 ' expression corresponding mobile terminal obtains the part available resources in the descending available resources that the base station is a set of dispense, and bit ' 0 ' expression corresponding mobile terminal can not obtain any descending available resources that the base station is a set of dispense.
In the described step 101, the cycle available resources method of salary distribution is meant that the base station only needs for the first time for the descending available resources of set of dispense the time portable terminal transmission primaries available resources assignment messages in group, comprise cycle available resources allocation identification, available resources distribution locations information, identification field, group number in this message, also comprise available resources and distribute duration, available resources assignment period interval, modulating-coding pattern, diversity mode information.
In the described step 101, delivery time is removed to calculate at interval according to the available resources assignment period of appointment in the cycle available resources assignment messages in the base station.
In the described step 101, the available resources that the base station is distributed by the cycle available resources method of salary distribution to portable terminal can be used for to other portable terminal transmission data temporarily, and the base station needs to inform portable terminal by instruction.
In the described step 102, portable terminal is received after the available resources assignment messages by the correspondence position bit value in the identification field and is judged that the base station is the available resources that whether comprise oneself in the descending available resources of set of dispense, usually bit ' 1 ' expression corresponding mobile terminal obtains the part available resources in the descending available resources that the base station is a set of dispense, and bit ' 0 ' expression corresponding mobile terminal can not obtain any descending available resources that the base station is a set of dispense.
In the described step 102, portable terminal is received and all can be obtained downlink data on the descending available resources position of distributing for the first time when receiving data at every turn after the cycle available resources assignment messages.
In the described step 102, obtain portable terminal that the cycle available resources distribute and determine by receiving descending control signaling whether these available resources are distributed to other portable terminal temporarily or be cancelled.
In the described step 102, the acquisition part is organized the available resources size and the position of the portable terminal of available resources and can be determined in the group forming process, position and the required resource thereof of portable terminal in group is normally fixing, so portable terminal can go out to distribute to own available resources by the associated information calculation in the group forming process and gives position in the descending available resources of organizing in base station assigns.
In the described step 102, portable terminal receives that the available resources assignment period according to appointment goes to calculate the time of reception at interval after the cycle available resources assignment messages.
Fig. 2 has described concrete use of method in the data transmission system that adopts OFDM (orthogonalfrequency division multiplexing) technology that the present invention proposes, and step is as follows:
In the described step 201, which portable terminal comprises identification field in the up available resources message is used for identifying in this group to obtain the base station is the up available resources of set of dispense, corresponding portable terminal of each bit in the identification field, bit is determined in the set of dispense process with the corresponding order between the portable terminal, usually bit ' 1 ' expression corresponding mobile terminal obtains the part available resources in the up available resources that the base station is a set of dispense, and bit ' 0 ' expression corresponding mobile terminal can not obtain any up available resources that the base station is a set of dispense.
In the described step 201, the instant available resources method of salary distribution is meant when portable terminal transmits new packet in the group, all need to obtain immediately the up group of available resources assignment messages that the base station sends, comprise available resources distribution locations information, identification field, group number in this message, also comprise instant available resources allocation identification, modulating-coding pattern, diversity mode information.
In the described step 202, portable terminal is received after the available resources assignment messages by the correspondence position bit value in the identification field and is judged that the base station is the available resources that whether comprise oneself in the up available resources of set of dispense, usually bit ' 1 ' expression corresponding mobile terminal obtains the part available resources in the up available resources that the base station is a set of dispense, and bit ' 0 ' expression corresponding mobile terminal can not obtain any up available resources that the base station is a set of dispense.
In the described step 202, portable terminal is only received after the instant available resources assignment messages on the up available resources position in the moment of this message appointment and is sent upstream data.
In the described step 202, the acquisition part is organized the available resources size and the position of the portable terminal of available resources and can be determined in the group forming process, position and the required resource thereof of portable terminal in group is normally fixing, so portable terminal can go out to distribute to own available resources by the associated information calculation in the group forming process and gives position in the up available resources of organizing in base station assigns.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. available resources distribution method, be applied in the communication system based on the OFDMA standard, this system is assigned to portable terminal in the different groups, every group by a group number sign, the base station is for need sending the descending available resources of set of dispense of downlink data, and with the resource information of distributing by the portable terminal in the descending available resources assignment messages group of notifications.
2. method according to claim 1 is characterized in that, the portable terminal in the group receives opportunity according to the described descending available resource information determination data of receiving.
3. method according to claim 2, it is characterized in that, described descending available resources assignment messages comprises available resources distribution locations information and identifies the opportunity that portable terminal receives data, also comprises identification field and identifies the portable terminal that obtains the descending available resources of base station assigns in this group.
4. method according to claim 3 is characterized in that, described descending available resources assignment messages comprises cycle available resources allocation identification, and group number also comprises instant available resources allocation identification, modulating-coding pattern, diversity mode information.
5. method according to claim 2 is characterized in that, the method for salary distribution of described descending available resources is periodic or instant,
Periodically the method for salary distribution of available resources is meant that the base station only needs for the first time for the descending available resources of set of dispense the time portable terminal transmission primaries available resources assignment messages in group;
The method of salary distribution of instant available resources is meant that the base station at every turn during the new packet of the transmission of the portable terminal in group, all needs to resend available resources assignment messages in the group.
6. method according to claim 3 is characterized in that, the corresponding portable terminal of each bit of described identification field, and bit is determined in the set of dispense process with the corresponding order between the portable terminal.
7. available resources distribution method, be applied in the communication system based on the OFDMA standard, this system is assigned to portable terminal in the different groups, every group by a group number sign, the base station is for need sending the up available resources of set of dispense of upstream data, and with the resource information of distributing by the portable terminal in the up available resources assignment messages group of notifications.
8. method according to claim 7 is characterized in that, the portable terminal in the group sends opportunity according to the described up available resource information determination data of receiving.
9. method according to claim 8, it is characterized in that, described up available resources assignment messages comprises the opportunity that identifies portable terminal transmission data with resource distribution location information, also comprises identification field and identifies the portable terminal that obtains the up available resources of base station assigns in this group.
10. method according to claim 9, it is characterized in that described up available resources assignment messages comprises cycle available resources allocation identification, group number, also comprise available resources and distribute duration, available resources assignment period interval, modulating-coding pattern, diversity mode information.
11. method according to claim 8 is characterized in that, the method for salary distribution of described up available resources is periodic or instant,
Periodically the method for salary distribution of available resources is meant that the base station only needs for the first time for the up available resources of set of dispense the time portable terminal transmission primaries available resources assignment messages in group;
The method of salary distribution of instant available resources is meant that the base station all needed to resend up available resources assignment messages in the group when portable terminal transmitted new packet in each group.
12. method according to claim 9 is characterized in that, the corresponding portable terminal of each bit of described identification field, and bit is determined in the set of dispense process with the corresponding order between the portable terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100652851A CN101500312B (en) | 2008-02-01 | 2008-02-01 | Available resource allocation method |
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| CN2008100652851A CN101500312B (en) | 2008-02-01 | 2008-02-01 | Available resource allocation method |
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| CN101500312A true CN101500312A (en) | 2009-08-05 |
| CN101500312B CN101500312B (en) | 2011-06-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170641A (en) * | 2010-02-26 | 2011-08-31 | 中兴通讯股份有限公司 | Method and system for resource allocation and distribution of M2M business group |
| WO2011113209A1 (en) * | 2010-03-19 | 2011-09-22 | 上海贝尔股份有限公司 | Method and apparatus for allocating processing resources for machine to machine communication |
| WO2012019524A1 (en) * | 2010-08-12 | 2012-02-16 | 华为技术有限公司 | Method and system for network connection |
| WO2017206024A1 (en) * | 2016-05-30 | 2017-12-07 | 华为技术有限公司 | Data transmission method, apparatus and system |
| WO2018081985A1 (en) * | 2016-11-03 | 2018-05-11 | 华为技术有限公司 | Data transmission method, network device, and terminal device |
| CN111800208A (en) * | 2020-07-08 | 2020-10-20 | 温州职业技术学院 | Working frequency self-adaptive system applied to AP |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100433924C (en) * | 2005-10-27 | 2008-11-12 | 华为技术有限公司 | Implement method of uplink/downlink control channel |
| CN100583729C (en) * | 2006-03-06 | 2010-01-20 | 华为技术有限公司 | Method for indicating the packet data channel used by the terminal to send the data |
-
2008
- 2008-02-01 CN CN2008100652851A patent/CN101500312B/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170641B (en) * | 2010-02-26 | 2016-03-30 | 中兴通讯股份有限公司 | The method and system of the resource distribution of a kind of M2M service groups and distribution |
| WO2011103728A1 (en) * | 2010-02-26 | 2011-09-01 | 中兴通讯股份有限公司 | Method and system for m2m service group resource configuration and allocation |
| CN102170641A (en) * | 2010-02-26 | 2011-08-31 | 中兴通讯股份有限公司 | Method and system for resource allocation and distribution of M2M business group |
| WO2011113209A1 (en) * | 2010-03-19 | 2011-09-22 | 上海贝尔股份有限公司 | Method and apparatus for allocating processing resources for machine to machine communication |
| WO2012019524A1 (en) * | 2010-08-12 | 2012-02-16 | 华为技术有限公司 | Method and system for network connection |
| CN104797007A (en) * | 2010-08-12 | 2015-07-22 | 华为技术有限公司 | Network connection method and system |
| US9084263B2 (en) | 2010-08-12 | 2015-07-14 | Huawei Technologies Co., Ltd. | Network connection method and system |
| CN104797007B (en) * | 2010-08-12 | 2018-05-11 | 华为技术有限公司 | A kind of communication system |
| WO2017206024A1 (en) * | 2016-05-30 | 2017-12-07 | 华为技术有限公司 | Data transmission method, apparatus and system |
| CN109156029A (en) * | 2016-05-30 | 2019-01-04 | 华为技术有限公司 | The method, apparatus and system of data transmission |
| US11051135B2 (en) | 2016-05-30 | 2021-06-29 | Huawei Technologies Co., Ltd. | Data transmission method, apparatus, and system |
| CN109156029B (en) * | 2016-05-30 | 2021-08-20 | 华为技术有限公司 | Data transmission method, device and system |
| WO2018081985A1 (en) * | 2016-11-03 | 2018-05-11 | 华为技术有限公司 | Data transmission method, network device, and terminal device |
| US11259315B2 (en) | 2016-11-03 | 2022-02-22 | Huawei Technologies Co., Ltd. | Data transmission method, network device, and terminal device |
| CN111800208A (en) * | 2020-07-08 | 2020-10-20 | 温州职业技术学院 | Working frequency self-adaptive system applied to AP |
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| CN101500312B (en) | 2011-06-22 |
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