CN101483820B - Data transmission method - Google Patents
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- CN101483820B CN101483820B CN2008100001884A CN200810000188A CN101483820B CN 101483820 B CN101483820 B CN 101483820B CN 2008100001884 A CN2008100001884 A CN 2008100001884A CN 200810000188 A CN200810000188 A CN 200810000188A CN 101483820 B CN101483820 B CN 101483820B
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Abstract
The invention discloses a data transmission method, which comprises, in the data transmitting process, the base station chooses resource allocation mode according to the down going service data transmission characteristics between the base station and a terminal and informs the chosen resource allocation mode to the terminal; the terminal chooses receiving occasions according to the resource allocation mode chosen by the base station so that when the receiving occasion comes, the terminal can receive the data from the base station; wherein, when the down going service data transmission between the base station and the terminal has cyclophysis, the base station chooses the cyclic resource allocation mode, in other words, the cyclic resource allocation message is sent to the terminal only when the down going resource is allocated for the first time. The cyclic resource allocation message includes cyclic resource allocation mark and resource allocation locating information and the resource of the resource allocation locating information mark is at least two times as much as the resource needed by the terminal.
Description
Technical field
The present invention relates to the communications field, relate more specifically to a kind of data transmission method.
Background technology
In wireless communication system, the base station is to show the equipment that the terminal provides service, and the base station communicates through uplink downlink and terminal, the descending direction that is meant the base station to the terminal, the up direction that is meant terminal to base station.A plurality of terminals can be sent data through up link to the base station simultaneously, also can receive data simultaneously from the base station through down link.
In the data transmission system that adopts base station scheduling control, the scheduling of all resources of system distributes to be undertaken by the base station usually, for example, and the employable resource situation of institute etc. when uplink is carried out at resource allocation conditions when downlink transfer is carried out in the base station and terminal.
In traditional wireless communication system, the base station is wanted when data are sent in the base station to terminal transmission data or terminal at every turn, all needs the base station to send resource allocation control Overhead Message immediately and gives the terminal, can waste the efficient of valuable system resource, reduction system like this.
Summary of the invention
One or more problems in view of the above the invention provides a kind of data transmission method, to reduce system control overhead, improve system spectral efficiency.
Data transmission method according to the embodiment of the invention comprises: in data transmission procedure, resource distribution mode is selected according to the Data Transmission Feature of the downlink business between itself and the terminal in the base station, and the resource distribution mode of its selection is notified to the terminal; The terminal receives the selection on opportunity according to base station selected resource distribution mode; When selected reception arrives opportunity, to receive data from the base station; Wherein, when the transfer of data of the downlink business between base station and the terminal has cyclophysis, base station selected cycle resource distribution mode; Promptly only the first time during allocation of downlink resource to terminal transmission cycle resource allocation message; Wherein, the cycle resource allocation message comprises cycle resource allocation identification and resource distribution location information, and the resource of resource distribution location message identification doubles the required resource in terminal at least.
Wherein, the cycle resource allocation message also comprises following at least a information: resource allocation duration, resource allocation cycle interval, resource adjustment modes, resource adjustment cycle interval, modulating-coding pattern, diversity mode.Wherein, The resource adjustment modes is meant that the base station selects to be used for the mode to the required resource of terminal transmission data in the resource of resource distribution location message identification, the resource adjustment cycle be meant at interval the base station in the resource of resource distribution location message identification, select to be used for to cycle time of the required resource of terminal transmission data at interval.
Wherein, the base station is in the process of terminal transmission data, and according to resource adjustment modes and resource adjustment cycle interval, dynamically adjustment is used for to the required resource of terminal transmission data.
In addition, in the data transmission method according to the embodiment of the invention, the base station also can be when the resource of resource distribution location message identification be idle, and the resource of utilizing the resource distribution location message identification is to other terminal transmission data.And the base station reports that to the terminal resource of passing through the resource distribution location message identification in the base station is to other terminal transmission data conditions through descending control signaling.
Wherein, the terminal is according to predetermined specified criteria or the resource of decoding according to the needs terminal in the resource of confirming the resource distribution location message identification according to the specified criteria of resource adjustment modes and resource adjustment cycle interval acquiring.
Wherein, When the transfer of data of the downlink business between base station and the terminal does not have cyclophysis; Base station selected instant resource distribution mode; Promptly at every turn to the terminal transmission data time, all send instant resource allocation message to the terminal again, the terminal is only specified on the downlink resource position constantly in instant resource allocation message and is received data.
Data transmission method comprises according to another embodiment of the present invention: resource distribution mode is selected according to the Data Transmission Feature of the uplink service between itself and the terminal in the base station, and the resource distribution mode of its selection is notified to the terminal; The selection on opportunity is sent at the terminal according to base station selected resource distribution mode; With when selected transmission arrives opportunity to the base station transmits data; Wherein, when the transfer of data of the uplink service between base station and the terminal has cyclophysis, base station selected cycle resource distribution mode; Promptly only when distributing ascending resource for the first time to terminal transmission cycle resource allocation message; Wherein, the cycle resource allocation message comprises cycle resource allocation identification and resource distribution location information, and the resource of resource distribution location message identification doubles the required resource in terminal at least.
Wherein, the cycle resource allocation message also comprises following at least a information: resource allocation duration, resource allocation cycle interval, resource adjustment modes, resource adjustment cycle interval, modulating-coding pattern, diversity mode.Wherein, The resource adjustment modes is meant that the terminal selects to be used for the mode to the required resource of base station transmits data in the resource of resource distribution location message identification, the resource adjustment cycle be meant at interval the terminal in the resource of resource distribution location message identification, select to be used for to cycle time of the required resource of base station transmits data at interval.
Wherein, the terminal is in the process of base station transmits data, and according to resource adjustment modes and resource adjustment cycle interval, dynamically adjustment is used for to the required resource of base station transmits data.
In addition, in data transmission method according to another embodiment of the present invention, other terminal is when the resource of resource distribution location message identification is idle, and the resource of utilizing the resource distribution location message identification is to the base station transmits data.The base station reports that to the terminal resource of passing through the resource distribution location message identification in other terminal is to the base station transmits data conditions through descending control signaling.
Wherein, the terminal is according to predetermined specified criteria or according to being used for to the required resource of base station transmits data in the resource of confirming the resource distribution location message identification according to the specified criteria of resource adjustment modes and resource adjustment cycle interval acquiring.
Wherein, When the transfer of data of the uplink service between base station and the terminal does not have cyclophysis; Base station selected instant resource distribution mode; Promptly at the terminal at every turn when the base station transmits data, instant resource allocation message is all sent to the terminal again in the base station, the terminal is only specified on the ascending resource position constantly in instant resource allocation message and is sent data.
In sum, the present invention has reduced system control overhead effectively through in the data transmission system that adopts base station scheduling control, adopting the cycle resource distribution mode, has improved system spectral efficiency.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to (base station-＞terminal) of the data transmission method of the embodiment of the invention;
Fig. 2 is the flow chart according to (terminal-＞base station) of the data transmission method of the embodiment of the invention;
Fig. 3 is the realization flow figure of data transmission method (base station-＞terminal) in the wireless communication system that adopts orthogonal frequency division multiplexi according to the embodiment of the invention;
Fig. 4 is the Resource Block number that comprises of the resource according to the resource distribution location message identification of the embodiment of the invention (base station-＞terminal) sketch map;
Fig. 5 is the realization flow figure of data transmission method (terminal-＞base station) in the wireless communication system that adopts orthogonal frequency division multiplexi according to the embodiment of the invention;
Fig. 6 is the sketch map of the Resource Block number that comprises of the resource according to the resource distribution location message identification of the embodiment of the invention (terminal-＞base station);
Fig. 7 adopts Resource Block 1 to send the sketch map of downlink data to carrying out the professional terminal of VoIP according to the base station of the embodiment of the invention at moment t1; And
Fig. 8 adopts Resource Block 1 to send the sketch map of upstream data to the base station according to the professional terminal of Video of carrying out of the embodiment of the invention at moment t1.
Embodiment
With reference to accompanying drawing, specify embodiment of the present invention below.
With reference to figure 1, data transmission method according to the embodiment of the invention (base station-＞terminal) is described.As shown in Figure 1, this method may further comprise the steps:
S102, the transfer of data characteristics of the downlink business that base station basis and terminal are set up, whether decision carries out the downstream cycle resource allocation.If the transfer of data of the downlink business of being set up has periodically strong, then adopt the cycle resource distribution mode, otherwise adopt instant resource distribution mode.It may be noted that to comprise cycle resource allocation identification and resource distribution location information in the cycle resource allocation message at least, and the resource that comprises in the resource distribution location information doubles the required resource in terminal itself at least.
S104 after the terminal receives resource allocation message, judges after the type of this resource distribution mode decision own reception opportunity, with reception when reception reaches opportunity from the data of base station.
Wherein, the cycle resource distribution mode be meant the base station only need the first time during allocation of downlink resource to terminal transmission first resource assignment messages.Wherein, this resource allocation message can also comprise information such as resource allocation duration, resource allocation cycle interval, resource adjustment modes, resource adjustment cycle interval, modulating-coding pattern, diversity mode.Wherein, The resource adjustment modes is meant in the resource that the base station comprises in resource distribution location information according to which kind of mode and selects to send the required resource of downlink data to the terminal, and the resource adjustment cycle is meant that at interval the base station selects new interval cycle time of sending the downlink data resource to the terminal from the resource that resource distribution location information comprises.
Wherein, the base station can be used for to other terminal transmission data for a certain terminal temporarily through the resource that the cycle resource distribution mode distributes, and this moment, the base station needed to inform the terminal through instruction.
Wherein, When the base station is adopted the cycle resource distribution mode to the terminal transmission packet; Dynamically adjustment is to the resource of terminal transmission downlink data employing at interval according to resource adjustment modes, resource adjustment cycle, and this resource is from the resource that comprises in the resource distribution location information.In addition; If do not have resource adjustment modes, resource adjustment cycle interval information in the cycle resource allocation message; Then the base station is adopted default configuration or is informed terminal resource adjustment modes and resource adjustment cycle at interval through other message; Thereby the cycle adjustment is sent the resource that downlink data adopts to the terminal, and this resource is from the resource that comprises in the resource distribution location information.
Wherein, Instant resource distribution mode is meant that the base station is at every turn when the terminal transmission packet; All need to send resource allocation message to the terminal again, comprise instant resource allocation identification and resource distribution location information in this message at least, also can comprise information such as modulating-coding pattern, diversity mode.
Wherein, After the cycle resource allocation message is received at the terminal; Each when receiving data, all can be in the resource that resource distribution location information comprises confirm which resource in own these resources of needs decoding with the acquisition downlink data according to the criterion of consulting before terminal and the base station, these criterions are base station and terminal negotiation acquisition; It can be default, also can obtain at interval according to resource adjustment modes, resource adjustment cycle.
Wherein, whether the terminal of acquisition cycle resource allocation is distributed to other terminal through the definite own current employable resource of reception descending control signaling temporarily or is cancelled.The terminal is only received after the instant resource allocation message on the downlink resource position in the moment of this message appointment and is obtained downlink data.
With reference to figure 2, data transmission method according to the embodiment of the invention (terminal-＞base station) is described.As shown in Figure 2, this method may further comprise the steps:
S202, whether the base station basis goes up the line period resource allocation with the transfer of data characteristics decision of the uplink service that the terminal is set up.If the uplink business data of being set up transmission has periodically strong, then adopt the cycle resource distribution mode, otherwise adopt instant resource distribution mode.It may be noted that to comprise cycle resource allocation identification and resource distribution location information in the cycle resource allocation message at least, and the resource that comprises in this resource distribution location information doubles the required resource in terminal itself at least.
S204 after the terminal receives resource allocation message, judges the transmission opportunity of decision oneself after the type of this resource distribution mode, when transmission arrives opportunity, to send data to the base station.
Wherein, The cycle resource distribution mode is meant that the base station only needs when distributing ascending resource for the first time to terminal transmission first resource assignment messages; Also can comprise information such as resource allocation duration, resource allocation cycle interval, resource adjustment modes, resource adjustment cycle interval, modulating-coding pattern, diversity mode; The resource adjustment modes is meant in the resource that the terminal comprises in resource distribution location information according to which kind of mode and selects to send the required resource of upstream data to the base station, and the resource adjustment cycle is meant that at interval the terminal selects new interval cycle time of sending the upstream data resource to the base station from the resource that resource distribution location information comprises.
Wherein, the base station can be temporarily be used for transmit ascending data by other terminal for resource that a certain terminal distributes through the cycle resource distribution mode, and this moment, the base station needed inform the terminal through instruction.
Wherein, When the cycle resource distribution mode is adopted at the terminal to the base station transmits packet; Dynamically adjustment is to the resource of base station transmission upstream data employing at interval according to resource adjustment modes, resource adjustment cycle, and this resource is from the resource that comprises in the resource distribution location information.In addition; If do not have resource adjustment modes, resource adjustment cycle interval information in the cycle resource allocation message; Then the terminal adopts default configuration or base station to inform terminal resource adjustment modes and resource adjustment cycle at interval through other message; Thereby but the adjustment of terminal cycle is sent the resource that upstream data adopts to the base station, and this resource is from the resource that comprises in the resource distribution location information.
Wherein, Instant resource distribution mode is meant that the terminal is at every turn when the base station transmits packet; All need regain the resource allocation message that send the base station; At least comprise instant resource allocation identification and resource distribution location information in this message, also can comprise information such as modulating-coding pattern, diversity mode.
Wherein, The terminal is received after the cycle resource allocation message each when sending data; The capital confirms according to the criterion of consulting before terminal and the base station which resource in own these resources of needs selection is with the transmission upstream data in the resource that resource distribution location information comprises; These criterions are that base station and terminal consult to obtain, and it can be default, also can obtain at interval according to resource adjustment modes, resource adjustment cycle.
Wherein, the terminal that obtains the cycle resource allocation confirms through receiving descending control signaling whether this resource is distributed to other terminal temporarily or be cancelled.The terminal is only received after the instant resource allocation message on the ascending resource position in the moment of this message appointment and is sent upstream data.
With reference to figure 3, the realization of data transmission method according to the embodiment of the invention (base station-＞terminal) in the wireless communication system that adopts OFDM (orthogonal frequency divisionmultiplexing is called for short OFDM) technology is described.As shown in Figure 3, this method may further comprise the steps:
S302, downstream IP voice (Voice over IP is called for short VoIP) business is set up at base station and terminal, and it is the terminal distribution downlink resource that the cycle resource distribution mode is adopted in the base station.
S304 after the terminal receives resource allocation message, confirms own reception opportunity, with reception data when reception arrives opportunity.
Wherein, comprise information such as cycle resource allocation identification, resource distribution location, resource allocation duration, resource allocation cycle interval information, resource adjustment modes, resource adjustment cycle interval, modulating-coding pattern, diversity mode in the cycle resource allocation message.Wherein, The resource that comprises in the resource distribution location information is three times in the required resource in terminal itself (Resource Block 1,2,3 among Fig. 4); The resource allocation duration is infinitely great; Resource allocation cycle is spaced apart 20ms, and the resource adjustment cycle is spaced apart 40ms, and the resource adjustment modes is illustrated in figure 7 as the base station and adjusts in proper order to the required resource of terminal transmission downlink data according to Resource Block 1,2,3,1,2,3....
Wherein, delivery time is removed to calculate at interval according to the resource allocation cycle of appointment in the cycle resource allocation message in the base station.
Wherein, the base station can be used for to other terminal transmission data through the resource that the cycle resource distribution mode distributes to the terminal temporarily, and the base station needs to inform the terminal through instruction.
Wherein, When the base station is adopted the cycle resource distribution mode to the terminal transmission packet, dynamically adjust the resource that adopts to terminal transmission downlink data at interval according to resource adjustment modes, resource adjustment cycle, this resource is from the resource that comprises in the resource distribution location information; That is to say; If the base station adopts Resource Block 1 (see figure 7) to send downlink data to the terminal at moment t1, then the base station adopts Resource Block 2 (see figure 7)s to send downlink data to the terminal at moment t2=t1+40, by that analogy.
Wherein, The terminal is received after the cycle resource allocation message each when receiving data; Confirm that according to the criterion of consulting before terminal and the base station own needs decode which resource in these resources with the acquisition downlink data in the resource that the capital comprises in resource distribution location information; The definite of resource can obtain according to resource adjustment modes, resource adjustment cycle at interval; That is to say; If the base station adopts Resource Block 1 (see figure 7) to send downlink data to the terminal at moment t1, then the terminal is learnt at interval at the moment t1 data of Resource Block 1 to be decoded through resource adjustment modes, resource adjustment cycle and can be obtained the base station and send to oneself downlink data, and same base station is sent downlink data in moment t2=t1+40 employing Resource Block 2 (see figure 7)s to the terminal; Then the terminal is learnt at interval at the moment t2 data of Resource Block 2 to be decoded through resource adjustment modes, resource adjustment cycle and can be obtained the base station and send to the downlink data of oneself, by that analogy.
Wherein, the terminal is gone to calculate the time of reception according to the resource allocation cycle of appointment after receiving the cycle resource allocation message at interval.The terminal of acquisition cycle resource allocation confirms through receiving descending control signaling whether this resource is distributed to other terminal temporarily or be cancelled.
With reference to figure 5, the realization of data transmission method according to the embodiment of the invention (terminal-＞base station) in the wireless communication system that adopts OFDM (orthogonal frequency divisionmultiplexing is called for short OFDM) technology is described.As shown in Figure 5, this method may further comprise the steps:
S502, it is professional that up Video is set up at base station and terminal, and it is the terminal distribution ascending resource that the cycle resource distribution mode is adopted in the base station.
S504, the terminal receives confirms own transmission opportunity after the resource allocation message, with transmission data when transmission arrives opportunity.
Wherein, Comprise information such as cycle resource allocation identification, resource distribution location, resource allocation duration, resource allocation cycle interval information, resource adjustment modes, resource adjustment cycle interval, modulating-coding pattern, diversity mode in the cycle resource allocation message; The resource that wherein comprises in the resource distribution location information is three times in the required resource in terminal itself (Resource Block 1,2,3,4 among Fig. 6); The resource allocation duration is infinitely great; Resource allocation cycle is spaced apart 10ms, and the resource adjustment cycle is spaced apart 30ms, and the resource adjustment modes is that the terminal is adjusted in proper order to the base station according to Resource Block 1,3,2,4,1,3,2,4... and sent the required resource of up video data; That is to say; If the terminal adopts Resource Block 1 (see figure 6) to send upstream data to the base station at moment t1, then the terminal adopts Resource Block 3 (see figure 6)s to send upstream data to the base station at moment t2=t1+30, adopts Resource Block 2 (see figure 6)s to send upstream data to the base station at moment t3=t2+30; Adopt Resource Block 4 (see figure 6)s to send upstream data at moment t4=t3+30 to the base station; Adopt Resource Block 1 (see figure 6) to send upstream data at moment t5=t4+30 to the base station, by that analogy, as shown in Figure 8.
Wherein, the base station can be temporarily be used for transmit ascending data by other terminal for resource that a certain terminal distributes through the cycle resource distribution mode, and the base station needs inform the terminal through instruction.
Wherein, The terminal is received after the cycle resource allocation message each when sending data; The capital confirms according to the criterion of consulting before terminal and the base station which resource in own these resources of needs selection is with the transmission upstream data in the resource that resource distribution location information comprises; These criterions are that base station and terminal consult to obtain; It can be default; Also can obtain at interval according to resource adjustment modes, resource adjustment cycle; That is to say; If the terminal adopts Resource Block 1 (see figure 8) to send upstream data to the base station at moment t1, then the base station is learnt at interval at the moment t1 data of Resource Block 1 to be decoded through resource adjustment modes, resource adjustment cycle and can be obtained the terminal and send to oneself upstream data, and same terminal is sent upstream data in moment t2=t1+30 employing Resource Block 3 (see figure 8)s to the base station; Then the base station is learnt at interval at the moment t2 data of Resource Block 3 to be decoded through resource adjustment modes, resource adjustment cycle and can be obtained the terminal and send to the upstream data of oneself; Same terminal adopts Resource Block 2 (see figure 8)s to send upstream data to the base station at moment t3=t2+30, and then the base station is learnt at interval at the moment t3 data of Resource Block 2 to be decoded through resource adjustment modes, resource adjustment cycle and can be obtained the terminal and send to oneself upstream data, and same terminal is sent upstream data in moment t4=t3+30 employing Resource Block 4 (see figure 8)s to the base station; Then the base station is learnt at interval at the moment t4 data of Resource Block 4 to be decoded through resource adjustment modes, resource adjustment cycle and can be obtained the terminal and send to the upstream data of oneself; Same terminal adopts Resource Block 4 (see figure 8)s to send upstream data to the base station at moment t5=t4+30, and then the base station is learnt at interval at the moment t5 data of Resource Block 4 to be decoded through resource adjustment modes, resource adjustment cycle and can be obtained the terminal and send to the upstream data of oneself, by that analogy.
Wherein, delivery time is removed to calculate according to the resource allocation cycle of appointment after receiving the cycle resource allocation message at interval in the terminal.The terminal of acquisition cycle resource allocation confirms through receiving descending control signaling whether this resource is distributed to other terminal temporarily or be cancelled.
In sum, the present invention has reduced system control overhead effectively through in the data transmission system that adopts base station scheduling control, adopting the cycle resource distribution mode, has improved system spectral efficiency.
The above is merely embodiments of the invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (18)
1. a data transmission method is characterized in that, comprises
In data transmission procedure, resource distribution mode is selected according to the Data Transmission Feature of the downlink business between itself and the terminal in the base station, and the resource distribution mode of its selection is notified to said terminal;
Said terminal receives the selection on opportunity according to said base station selected resource distribution mode; When selected reception arrives opportunity, to receive data from said base station; Wherein, When the transfer of data of the downlink business between said base station and the said terminal has cyclophysis, said base station selected cycle resource distribution mode, said cycle resource distribution mode only be meant the first time during allocation of downlink resource to said terminal transmission cycle resource allocation message; Wherein, Said cycle resource allocation message comprises cycle resource allocation identification and resource distribution location information, and wherein, the resource of said resource distribution location message identification doubles the required resource in said terminal at least.
2. data transmission method according to claim 1; It is characterized in that; Said cycle resource allocation message also comprises following at least a information: resource allocation duration, resource allocation cycle interval, resource adjustment modes, resource adjustment cycle interval, modulating-coding pattern, diversity mode; Wherein, Said resource adjustment modes is meant that said base station selects to be used for the mode to the required resource of said terminal transmission data in the resource of said resource distribution location message identification, said resource adjustment cycle be meant at interval said base station in the resource of said resource distribution location message identification, select to be used for to cycle time of the required resource of said terminal transmission data at interval.
3. data transmission method according to claim 2; It is characterized in that; Said base station is in the process of said terminal transmission data, and according to said resource adjustment modes and said resource adjustment cycle interval, dynamically adjustment is used for to the required resource of said terminal transmission data.
4. data transmission method according to claim 3; It is characterized in that; Also comprise: said base station is when the resource of said resource distribution location message identification is idle, and the resource of utilizing said resource distribution location message identification is to the terminal transmission data that are different from said terminal.
5. data transmission method according to claim 4; It is characterized in that said base station reports that to said terminal the resource of said base station through said resource distribution location message identification is to the terminal transmission data conditions that is different from said terminal through descending control signaling.
6. data transmission method according to claim 1; It is characterized in that said terminal is according to predetermined specified criteria or the resource of decoding according to the said terminal of needs in the resource of confirming said resource distribution location message identification according to the specified criteria of resource adjustment modes and resource adjustment cycle interval acquiring.
7. according to each described data transmission method in the claim 2 to 5; It is characterized in that said terminal is according to predetermined specified criteria or the resource of decoding according to the said terminal of needs in the resource of confirming said resource distribution location message identification according to the specified criteria of said resource adjustment modes and said resource adjustment cycle interval acquiring.
8. data transmission method according to claim 6; It is characterized in that; When the transfer of data of the downlink business between said base station and the said terminal does not have cyclophysis; Said base station selected instant resource distribution mode promptly all sends instant resource allocation message to said terminal again at every turn to said terminal transmission data the time, said terminal is only specified on the downlink resource position constantly in said instant resource allocation message and received data.
9. data transmission method according to claim 7; It is characterized in that; When the transfer of data of the downlink business between said base station and the said terminal does not have cyclophysis; Said base station selected instant resource distribution mode promptly all sends instant resource allocation message to said terminal again at every turn to said terminal transmission data the time, said terminal is only specified on the downlink resource position constantly in said instant resource allocation message and received data.
10. a data transmission method is characterized in that, comprising:
Resource distribution mode is selected according to the Data Transmission Feature of the uplink service between itself and the terminal in the base station, and the resource distribution mode of its selection is notified to said terminal;
The selection on opportunity is sent at said terminal according to said base station selected resource distribution mode; With when selected transmission arrives opportunity to said base station transmits data; Wherein, When the transfer of data of the uplink service between said base station and the said terminal had cyclophysis, said base station selected cycle resource distribution mode, said cycle resource distribution mode only were meant when distributing ascending resource for the first time to said terminal transmission cycle resource allocation message; Wherein, Said cycle resource allocation message comprises cycle resource allocation identification and resource distribution location information, and wherein, the resource of said resource distribution location message identification doubles the required resource in said terminal at least.
11. data transmission method according to claim 10; It is characterized in that; Said cycle resource allocation message also comprises following at least a information: resource allocation duration, resource allocation cycle interval, resource adjustment modes, resource adjustment cycle interval, modulating-coding pattern, diversity mode; Wherein, Said resource adjustment modes is meant that said terminal selects to be used for the mode to the required resource of said base station transmits data in the resource of said resource distribution location message identification, said resource adjustment cycle be meant at interval said terminal in the resource of said resource distribution location message identification, select to be used for to cycle time of the required resource of said base station transmits data at interval.
12. data transmission method according to claim 11; It is characterized in that; Said terminal is in the process of said base station transmits data, and according to said resource adjustment modes and said resource adjustment cycle interval, dynamically adjustment is used for to the required resource of said base station transmits data.
13. data transmission method according to claim 12; It is characterized in that; Also comprise: the terminal that is different from said terminal is when the resource of said resource distribution location message identification is idle, and the resource of utilizing said resource distribution location message identification is to said base station transmits data.
14. data transmission method according to claim 13; It is characterized in that the resource of said base station is different from said terminal to the report of said terminal through descending control signaling terminal through said resource distribution location message identification is to said base station transmits data conditions.
15. data transmission method according to claim 8; It is characterized in that said terminal is according to predetermined specified criteria or according to being used for to the required resource of said base station transmits data in the resource of confirming said resource distribution location message identification according to the specified criteria of resource adjustment modes and resource adjustment cycle interval acquiring.
16. according to each described data transmission method in the claim 11 to 14; It is characterized in that said terminal is according to predetermined specified criteria or according to being used for to the required resource of said base station transmits data in the resource of confirming said resource distribution location message identification according to the specified criteria of said resource adjustment modes and said resource adjustment cycle interval acquiring.
17. data transmission method according to claim 15; It is characterized in that; When the transfer of data of the uplink service between said base station and the said terminal does not have cyclophysis, said base station selected instant resource distribution mode, promptly at said terminal at every turn when said base station transmits data; Instant resource allocation message is all sent to said terminal again in said base station, and said terminal is only specified on the ascending resource position constantly in said instant resource allocation message and sent data.
18. data transmission method according to claim 16; It is characterized in that; When the transfer of data of the uplink service between said base station and the said terminal does not have cyclophysis, said base station selected instant resource distribution mode, promptly at said terminal at every turn when said base station transmits data; Instant resource allocation message is all sent to said terminal again in said base station, and said terminal is only specified on the ascending resource position constantly in said instant resource allocation message and sent data.
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| CN2008100001884A CN101483820B (en) | 2008-01-09 | 2008-01-09 | Data transmission method |
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| CN2008100001884A CN101483820B (en) | 2008-01-09 | 2008-01-09 | Data transmission method |
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| CN102006629B (en) * | 2009-09-01 | 2014-01-08 | 大唐移动通信设备有限公司 | Method and apparatus for maintaining cache information of terminal at base station side |
| CN102137473A (en) * | 2010-01-22 | 2011-07-27 | 中兴通讯股份有限公司 | System and method for acquiring transmission characteristics of terminal |
| CN101801093A (en) * | 2010-02-03 | 2010-08-11 | 中兴通讯股份有限公司 | Indicating method, device and system for resource distribution mode |
| WO2018161227A1 (en) * | 2017-03-06 | 2018-09-13 | 南通朗恒通信技术有限公司 | Method and device for dynamic scheduling in user equipment and base station |
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|---|---|---|---|---|
| CN1933363A (en) * | 2005-09-15 | 2007-03-21 | 大唐移动通信设备有限公司 | Method for dispatching group data transmission |
| CN1953349A (en) * | 2005-10-17 | 2007-04-25 | 华为技术有限公司 | A distribution method for uplink resource |
| CN101047427A (en) * | 2006-04-24 | 2007-10-03 | 华为技术有限公司 | Method and equipment for transmitting and receiving data based on resource dispatching strategy |
-
2008
- 2008-01-09 CN CN2008100001884A patent/CN101483820B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1933363A (en) * | 2005-09-15 | 2007-03-21 | 大唐移动通信设备有限公司 | Method for dispatching group data transmission |
| CN1953349A (en) * | 2005-10-17 | 2007-04-25 | 华为技术有限公司 | A distribution method for uplink resource |
| CN101047427A (en) * | 2006-04-24 | 2007-10-03 | 华为技术有限公司 | Method and equipment for transmitting and receiving data based on resource dispatching strategy |
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| CN101483820A (en) | 2009-07-15 |
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