CN101184222A - Method and network element equipment for implementing video service in wireless communication system - Google Patents
Method and network element equipment for implementing video service in wireless communication system Download PDFInfo
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Abstract
The invention discloses a method to realize video service in wireless communication system, which is suitable to a plurality of video services with service stream transmission. The invention is characterizes in comprising: acquiring video service parameters, the acquired video service parameters comprise service quality QOS parameters of all service streams and synchronous indication parameters of synchronous frames in all service streams; distributing the resource of the service streams according to the QOS parameters, and transmitting the synchronous frames of the service streams synchronously according to synchronous indication parameters and the distributed resource. The invention has the advantages of improving the video service quality by adopting the technical proposal provided by the invention.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of method and network element device of in wireless communication system, realizing video traffic.
Background technology
In the mobile communication system of packet switch, connect the typical case of carrying various video traffics and having become in this system by IP and use.Video traffic comprises several data stream, for example, and video flowing, audio stream, caption stream etc.Wherein, video flowing comprises: carry the I frame of scene key message and carry the P frame of scene supplementary.In the mobile communication system of packet switch, usually there is dual mode to carry video traffic, a kind of mode is: transmit the whole video business by a connection, promptly video flowing, audio stream and the caption stream in this video traffic all transmitted in a Business Stream, for example, use the TS agreement in one is connected, to transmit in IPTV and the Mobile TV business usually; Another kind of mode is: transmit the whole video business by a plurality of connections, use different Business Streams to carry different types of data flows, that is, different types of data flows such as video flowing and audio stream are carried on different being connected respectively.
In the mobile communication system of existing packet switch, transmit the mode of video traffic for a plurality of Business Streams, cordless communication network is set the qos parameter of each data flow respectively, respectively each Business Stream is carried out resource allocation according to the qos parameter of setting.
In research and practice process to prior art, the inventor finds that there is following problem in prior art:
Cordless communication network only carries out resource allocation to each data flow of video traffic respectively according to the qos parameter of setting in the prior art, do not consider between each professional connection synchronously, it is the stationary problem between all types of data flow, influence the service quality of video traffic, for example can audiovideo asynchronous, problem such as the sound captions are asynchronous.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of method and network element device of realizing video traffic in wireless communication system, can improve the service quality of video traffic.
In view of this, the embodiment of the invention provides:
A kind of method that realizes video traffic in wireless communication system is applicable to the situation of using a plurality of Business Stream transmission of video business, comprising:
Obtain the video traffic parameter, described video traffic parameter comprises: the service quality QoS parameter of all kinds Business Stream, represent the synchronous indication parameter of synchronization frame in the described all kinds Business Stream;
According to described qos parameter, for described Business Stream carries out resource allocation;
According to described synchronous indication parameter, utilize the resource of described distribution, with the synchronization frame synchronized transmission in the described Business Stream.
A kind of network element device comprises:
Acquiring unit is used to obtain the video traffic parameter, and described video traffic parameter comprises: the service quality QoS parameter of all kinds Business Stream, represent the synchronous indication parameter of synchronization frame in the described all kinds Business Stream;
Resource allocation unit is used for according to described qos parameter, for described Business Stream carries out resource allocation;
The synchronized transmission unit is used for utilizing the resource of described distribution according to described synchronous indication parameter, with the synchronization frame synchronized transmission in the described Business Stream.
A technical scheme in the technique scheme has following beneficial effect:
The embodiment of the invention is obtained the synchronous indication parameter of synchronization frame in the expression all kinds Business Stream, and according to synchronous indication parameter, to the synchronization frame synchronized transmission in all kinds Business Stream, solved the stationary problem between all types of Business Streams, for example can audiovideo asynchronous, problem such as the sound captions are asynchronous have improved the service quality of video traffic greatly.
Description of drawings
The method flow diagram of in wireless communication system, realizing video traffic that Fig. 1 provides for the embodiment of the invention one;
Fig. 2 obtains video traffic parametric technique flow chart for what the embodiment of the invention provided;
The method flow diagram of in wireless communication system, realizing video traffic that Fig. 3 provides for the embodiment of the invention two;
The network element device structure chart that Fig. 4 provides for the embodiment of the invention three.
Embodiment
The embodiment of the invention provides a kind of method that realizes video traffic in wireless communication system, comprise: obtain the video traffic parameter, described video traffic parameter comprises: the service quality QoS parameter of all kinds Business Stream, represent the synchronous indication parameter of synchronization frame in the described all kinds Business Stream; According to described qos parameter, for described Business Stream carries out resource allocation; According to described synchronous indication parameter, utilize the resource of described distribution, with the synchronization frame synchronized transmission in the described Business Stream.Use the scheme that the embodiment of the invention provided, solved the stationary problem between all types of Business Streams, improved the service quality of video traffic greatly.
Consult Fig. 1, the embodiment of the invention one provides a kind of method that realizes video traffic in wireless communication system, be applicable to by a plurality of connections and transmit the whole video business, use different Business Streams to carry different types of data flows, transmit in different Business Streams respectively such as video flowing, audio stream, caption stream etc., this method specifically comprises:
Wherein, synchronization frame can be a single frame or a framing in video flowing, audio stream, the caption stream, such as, 1 IP frame, 10 P frames, 5 audio data frames, 5 caption data frames, this moment, synchronous indication parameter represented to answer the synchronization frame (1 IP frame, 10 P frames, 5 audio frames, 5 caption frames) in synchronous transmission video flowing, audio stream, the caption stream.Wherein, the synchronization frame synchronized transmission in video flowing, audio stream, the caption stream is specifically referred to: the synchronization frame in video flowing, audio stream, the caption stream is sent or differ very little time delay transmission at synchronization.
Wherein, the base station obtains the video traffic parameter and specifically comprises in the step 101: the base station sends the business request information of carrying the video traffic type to video traffic equipment; Video traffic equipment is according to the video traffic type, from the dissimilar video traffic parameters that preset, obtain the pairing video traffic parameter of video traffic type, wherein, video traffic equipment can be IAD, equipment of the core network or video application server, and specific implementation is referring to following first, second and third kind implementation.Perhaps the base station from the service parameter of video application server agreement obtain the video traffic parameter, specifically referring to following the 4th kind of mode.
First kind of mode: set up in the process at video traffic, video application server (video traffic server or video strategic server) sends to the base station with pre-configured video traffic parameter, specifically comprises:
Before this step, video traffic server or video strategic server unified Definition and the video traffic that carries on cordless communication network of planning dispose the parameter of dissimilar video traffics.After receiving the business request information of carrying the video traffic type, obtain the parameter of this video traffic.
The implementation of this step can be: video traffic server or video strategic server directly send and carry the message of video traffic parameter to IAD; Also can be: the message that video traffic server or video strategic server will carry the video traffic parameter be sent to core net, sends to IAD by core net, does not influence realization of the present invention.
Above-mentioned video traffic parameter can be carried in the existing message, sets up in the success message such as being carried on to connect, and also can realize purpose of the present invention by the transmission of messages that increases newly.
The second way: set up in the process at video traffic, IAD sends to the base station with pre-configured video traffic parameter.
In this implementation, IAD is unified Definition and the video traffic that carries on cordless communication network of planning in advance, disposes the parameter of dissimilar video traffics, and the video traffic type according to terminal is asked sends to the base station with this video traffic parameter.
The specific implementation of this mode can be: set up in the process at video traffic, by the transmission of messages video traffic parameter that increases newly; Also can be: set up in the process at video traffic, be carried in the existing message and send, such as reusing existing qos parameter pass-along message in the cordless communication network.Do not influence realization of the present invention.For example, originally in wireless communication system, there had been the message of carrying video traffic qos parameter: qos parameter pass-along message, for realizing purpose of the present invention, revise the part field of this message or increase the part field, reach the purpose that transmits the video traffic parameter.Table 1 is to be example with the WiMAX system, carries the tabulation of video traffic parameter by revising qos parameter pass-along message between IAD and the base station.
| Message field | Message content is described |
| Type of message | Radio resource request |
| Base station information | The sign of target BS |
| End message | The sign of user terminal |
| Traffic stream identifier | Concrete loaded service traffic identifier |
| Direction | Concrete Business Stream direction |
| Support the ARQ sign | Whether support the ARQ function |
| Support the HARQ sign | Whether support the HARQ function |
| QoS information | The QoS information of current business flow |
| The QoS extend information | Comprise the synchronous indication parameter of representing synchronization frame |
| Classifier rules is described | The classifier rules of current business is described |
Table 1
Increased the QoS extend information in the qos parameter pass-along message of above-mentioned table 1, this QoS extend information has comprised the synchronous indication parameter of expression synchronization frame.
The third mode: set up in the process at video traffic, core net sends to the base station with pre-configured video traffic parameter.
In this implementation, core net is unified Definition and the video traffic that carries on cordless communication network of planning in advance, disposes dissimilar video traffic parameters.
Specific implementation can be: set up in the process at video traffic, the video traffic type that authentication server in the core net is asked according to terminal, the parameter of this video traffic that self is pre-configured is sent to IAD, and IAD sends above-mentioned video traffic parameter to the base station.
Wherein, authentication server in the above-mentioned core net sends video traffic parameter to IAD: set up in the process at video traffic, the new message of initiating of core net, also can be: set up in the process at video traffic, be carried in the existing message and send, such as reusing existing qos parameter pass-along message in the cordless communication network.Do not influence realization of the present invention.
The 4th kind of implementation: arrange service parameter between base station and the video application server, the base station obtains this video traffic parameter from the service parameter of agreement.
In this implementation, the medium Access Layer of base station is recognized the QoS demand and the synchronous indication parameter of all types of Business Streams of the application layer of base station by agreement, need not to transmit between cordless communication network and video traffic server or video strategic server any qos parameter information.Above-mentioned agreement is the inner proprietary protocol of definition, realizes according to this agreement, and not needing does not openly need to follow any Open Standard yet.
Wherein the realization that step 103 is concrete comprises:
1, coding assignment mode
Be higher than the Business Stream of presetting the QoS threshold value for qos requirement, assigned modulation efficient is less than or equal to the modulation coding mode of first threshold, thereby guarantees the reliability of transmission; Be less than or equal to the Business Stream of presetting the QoS threshold value for qos requirement, assigned modulation efficient is higher than the modulation coding mode of first threshold, strives for higher resource utilization.Wherein, first threshold can not influence realization of the present invention according to this first threshold of different application scene change of video traffic for predetermined modulation efficiency.
Illustrate the coding assignment mode below: in the WiMAX system, suppose that active user's wireless environment is better, CINR (Carrier interference ratio)=15dB, according to the conciliation requirement of 1% Packet Error Ratio, first threshold is set at 16QAM 3/4.When the base station provides descending video traffic for the user,, just select to be lower than the modulation coding mode of first threshold, such as the modulation coding mode of selecting 16QAM 1/2 if current transmission is video I frame; If current transmission is audio stream, just select normal modulation coding mode 16QAM 3/4; If current transmission is caption stream, just select to be higher than the modulation coding mode of first threshold, such as 64QAM 1/2.
2, transmit power allocations mode
Be higher than the Business Stream of presetting the QoS threshold value for qos requirement, distribute the transmitted power that is higher than second threshold value, thereby guarantee the reliability of transmission; Be less than or equal to the Business Stream of presetting the QoS threshold value for qos requirement, distribute the transmitted power that is lower than or equals second threshold value, strive for higher resource utilization.Wherein, second threshold value can not influence realization of the present invention according to this second threshold value of different application scene change of video traffic for predetermined transmitted power.
3, many antenna assignment mode
Be higher than the Business Stream of presetting the QoS threshold value for qos requirement, distribute diversity gain to be higher than many antenna assignment of diversity gain mode of the 3rd threshold value, thereby guarantee the reliability of transmission; Be less than or equal to the Business Stream of presetting the QoS threshold value for qos requirement, distribute spatial multiplexing gain to be higher than many antenna assignment of spatial multiplexing gain mode of the 4th threshold value, strive for higher resource utilization.Perhaps, be higher than the Business Stream of presetting the QoS threshold value, many antenna assignment mode that the allocated code gain is higher, thereby the reliability of assurance transmission for qos requirement.Wherein, the 3rd threshold value is predetermined diversity gain, can be according to different application scene change the 3rd threshold value of video traffic, and the 4th threshold value is predetermined spatial multiplexing gain, can not influence realization of the present invention according to different application scene change the 4th threshold value of video traffic.
4, re-transmission mode
Be higher than the Business Stream of presetting the QoS threshold value for qos requirement, the allocated code gain is higher than the re-transmission mode of the 5th threshold value, thereby guarantees the reliability of transmission; Be less than or equal to the Business Stream of presetting the QoS threshold value for qos requirement, the allocated code gain is lower than or equals the re-transmission mode of the 5th threshold value, strives for higher resource utilization.
Resource distribution mode but be not limited to above-mentioned four kinds of modes can be according to the different application scene of video traffic and difference.
Consult Fig. 3, the embodiment of the invention two provides a kind of method that realizes video traffic in wireless communication system, be applicable to by a plurality of connections and transmit the whole video business, use different Business Streams to carry different types of data flows, in different Business Streams, transmit respectively such as video flowing, audio stream, caption stream etc., wherein, video flowing comprises the data of different types frame, and this method specifically comprises:
The mode of obtaining the video traffic parameter in this step is identical with embodiment one, sees also the associated description of embodiment one.
The mode that this step is carried out resource allocation to all types of Business Streams, identical with embodiment one, see also the associated description of embodiment one.According to the qos parameter of I frame in the video flowing and P frame, the mode of I frame and P frame being carried out resource allocation is similar to embodiment one, can comprise:
1, be higher than the Frame of default QoS threshold value for qos requirement, assigned modulation efficient is less than or equal to the modulation coding mode of first threshold; Be less than or equal to the Frame of presetting the QoS threshold value for qos requirement, assigned modulation efficient is higher than the modulation coding mode of described first threshold.
2, the Frame that is higher than default QoS threshold value for qos requirement distributes the transmitted power that is higher than second threshold value; Be less than or equal to the Frame of presetting the QoS threshold value for qos requirement, distribute the transmitted power that is lower than or equals second threshold value.
3, the Frame that is higher than default QoS threshold value for qos requirement distributes diversity gain to be higher than many antenna assignment of diversity gain mode of the 3rd threshold value; Be less than or equal to the Frame of presetting the QoS threshold value for qos requirement, distribute spatial multiplexing gain to be higher than many antenna assignment of spatial multiplexing gain mode of the 4th threshold value.
4, the Frame that is higher than default QoS threshold value for qos requirement, the allocated code gain is higher than the re-transmission mode of the 5th threshold value; Be less than or equal to the Frame of presetting the QoS threshold value for qos requirement, the allocated code gain is lower than or equals the re-transmission mode of the 5th threshold value.
Wherein, synchronization frame can be a single frame or a framing in video flowing, audio stream, the caption stream, such as, 1 IP frame, 10 P frames, 5 audio data frames, 5 caption data frames, this moment, synchronous indication parameter represented to answer the synchronization frame (1 IP frame, 10 P frames, 5 audio frames, 5 caption frames) in synchronous transmission video flowing, audio stream, the caption stream.Wherein, the synchronization frame synchronized transmission in video flowing, audio stream, the caption stream is specifically referred to: the synchronization frame in video flowing, audio stream, the caption stream is sent or differ very little time delay transmission at synchronization.
The invention described above embodiment two is to be that the example explanation is when the whole video business is transmitted in a plurality of connections with the video flowing, in one of them Business Stream the data of different types frame can be arranged, such as video flowing, but the embodiment of the invention two is not limited only to video flowing, and other data flow that contain the different types of data frame also are applicable to the embodiment of the invention two.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, for example, read-only memory, disk or CD etc.
Consult Fig. 4, the embodiment of the invention three provides a kind of network element device structure chart, comprising:
Acquiring unit is used to obtain the video traffic parameter, and the video traffic parameter comprises: the service quality QoS parameter of all kinds Business Stream, the synchronous indication parameter of synchronization frame in the expression all kinds Business Stream;
Resource allocation unit is used for according to qos parameter, for Business Stream carries out resource allocation;
The synchronized transmission unit is used for utilizing the resource of distributing, with the synchronization frame synchronized transmission in the Business Stream according to synchronous indication parameter.
Wherein, the qos parameter of Business Stream comprises: the qos parameter of all types of Frames in the Business Stream; The video traffic parameter also comprises: the data frame type parameter that Business Stream is included;
This equipment also comprises: resolution unit is used for parsing all types of Frames according to the data frame type parameter from Business Stream; At this moment, resource allocation unit carries out resource allocation according to the qos parameter of all types of Frames in the Business Stream to all types of Frames in the Business Stream.
Wherein, resource allocation unit comprises the modulating frequency allocation units, the transmit power assignment unit, and many antennas mode allocation units retransmit in the mode allocation units at least a;
The modulating frequency allocation units are used for qos requirement is higher than the Frame of presetting the QoS threshold value, and assigned modulation efficient is less than or equal to the modulation coding mode of first threshold; Qos requirement is less than or equal to the Frame of presetting the QoS threshold value, and assigned modulation efficient is higher than the modulation coding mode of first threshold;
The transmit power assignment unit is used for qos requirement is higher than the Frame of presetting the QoS threshold value, distributes the transmitted power that is higher than second threshold value; Qos requirement is less than or equal to the Frame of presetting the QoS threshold value, distributes the transmitted power that is lower than or equals second threshold value;
Many antennas mode allocation units are used for qos requirement is higher than the Frame of presetting the QoS threshold value, distribute diversity gain to be higher than many antenna assignment of diversity gain mode of the 3rd threshold value; Qos requirement is less than or equal to the Frame of presetting the QoS threshold value, distributes spatial multiplexing gain to be higher than many antenna assignment of spatial multiplexing gain mode of the 4th threshold value;
Re-transmission mode allocation units are used for qos requirement is higher than the Frame of presetting the QoS threshold value, and the allocated code gain is higher than the re-transmission mode of the 5th threshold value; Qos requirement is less than or equal to the Frame of presetting the QoS threshold value, and the allocated code gain is lower than or equals the re-transmission mode of the 5th threshold value.
As seen from the above analysis, the embodiment of the invention has following beneficial effect:
1, the embodiment of the invention is obtained the synchronous indication parameter of synchronization frame in the expression all kinds Business Stream, and according to synchronous indication parameter, to the synchronization frame synchronized transmission in all kinds Business Stream, solved the stationary problem between all types of Business Streams, for example can audiovideo asynchronous, problem such as the sound captions are asynchronous have improved the service quality of video traffic greatly.
2, the embodiment of the invention is by obtaining the included data frame type parameter of Business Stream, from Business Stream, parse various types of Frames, by obtaining the qos parameter of various types of data frame in the Business Stream, the various types of data frame is carried out resource allocation, therefore, transmit the mode of video traffic for a plurality of Business Streams, can differentiated service various types of Frames in the stream, can satisfy the concrete qos requirement of various types of data frame in the Business Stream, improve the service quality of video traffic in mobile communications network.
More than a kind of method and network element device of video traffic realized in wireless communication system provided by the present invention is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. a method that realizes video traffic in wireless communication system is applicable to the situation of using a plurality of Business Stream transmission of video business, it is characterized in that, comprising:
Obtain the video traffic parameter, described video traffic parameter comprises: the service quality QoS parameter of all kinds Business Stream, represent the synchronous indication parameter of synchronization frame in the described all kinds Business Stream;
According to described qos parameter, for described Business Stream carries out resource allocation;
According to described synchronous indication parameter, utilize the resource of described distribution, with the synchronization frame synchronized transmission in the described Business Stream.
2. method according to claim 1 is characterized in that,
The described video traffic parameter of obtaining comprises:
Send the business request information of carrying the video traffic type to video traffic equipment;
Described video traffic equipment obtains the pairing video traffic parameter of described video traffic type according to described video traffic type from the dissimilar video traffic parameters that preset.
3. method according to claim 2 is characterized in that,
Described video traffic equipment is IAD, equipment of the core network or video application server.
4. method according to claim 1 is characterized in that,
The described video traffic parameter of obtaining is specially:
From with the service parameter of video application server agreement obtain described video traffic parameter.
5. according to claim 1,2,3 or 4 described methods, it is characterized in that,
Described video traffic parameter also comprises: the data frame type parameter that described Business Stream is included;
The qos parameter of described Business Stream comprises: the qos parameter of all types of Frames in the described Business Stream;
This method also comprises: according to described data frame type parameter, parse all types of Frames from described Business Stream;
According to described qos parameter,, described Business Stream comprises for carrying out resource allocation:
According to the qos parameter of all types of Frames in the described Business Stream, all types of Frames in the described Business Stream are carried out resource allocation.
6. method according to claim 5 is characterized in that,
According to the qos parameter of all types of Frames in the described Business Stream, all types of Frames in the described Business Stream are carried out resource allocation comprise:
Be higher than the Frame of presetting the QoS threshold value for qos requirement, assigned modulation efficient is less than or equal to the modulation coding mode of first threshold; Be less than or equal to the Frame of presetting the QoS threshold value for qos requirement, assigned modulation efficient is higher than the modulation coding mode of described first threshold.
7. method according to claim 5 is characterized in that,
According to the qos parameter of all types of Frames in the described Business Stream, all types of Frames in the described Business Stream are carried out resource allocation comprise:
Be higher than the Frame of presetting the QoS threshold value for qos requirement, distribute the transmitted power that is higher than second threshold value; Be less than or equal to the Frame of presetting the QoS threshold value for qos requirement, distribute the transmitted power that is lower than or equals second threshold value.
8. method according to claim 5 is characterized in that,
According to the qos parameter of all types of Frames in the described Business Stream, all types of Frames in the described Business Stream are carried out resource allocation comprise:
Be higher than the Frame of presetting the QoS threshold value for qos requirement, distribute diversity gain to be higher than many antenna assignment of diversity gain mode of the 3rd threshold value; Be less than or equal to the Frame of presetting the QoS threshold value for qos requirement, distribute spatial multiplexing gain to be higher than many antenna assignment of spatial multiplexing gain mode of the 4th threshold value.
9. method according to claim 5 is characterized in that,
According to the qos parameter of all types of Frames in the described Business Stream, all types of Frames in the described Business Stream are carried out resource allocation comprise:
Be higher than the Frame of presetting the QoS threshold value for qos requirement, the allocated code gain is higher than the re-transmission mode of the 5th threshold value; Be less than or equal to the Frame of presetting the QoS threshold value for qos requirement, the allocated code gain is lower than or equals the re-transmission mode of the 5th threshold value.
10. a network element device is characterized in that, comprising:
Acquiring unit is used to obtain the video traffic parameter, and described video traffic parameter comprises: the service quality QoS parameter of all kinds Business Stream, represent the synchronous indication parameter of synchronization frame in the described all kinds Business Stream;
Resource allocation unit is used for according to described qos parameter, for described Business Stream carries out resource allocation;
The synchronized transmission unit is used for utilizing the resource of described distribution according to described synchronous indication parameter, with the synchronization frame synchronized transmission in the described Business Stream.
11. equipment according to claim 10 is characterized in that,
Described video traffic parameter also comprises: the data frame type parameter that described Business Stream is included;
The qos parameter of described Business Stream comprises: the qos parameter of all types of Frames in the described Business Stream;
This equipment also comprises: resolution unit is used for parsing all types of Frames according to described data frame type parameter from described Business Stream;
Described resource allocation unit is used for the qos parameter according to all types of Frames of described Business Stream, and all types of Frames in the described Business Stream are carried out resource allocation.
12. equipment according to claim 11 is characterized in that,
Described resource allocation unit comprises the modulating frequency allocation units, the transmit power assignment unit, and many antennas mode allocation units retransmit in the mode allocation units at least a;
Described modulating frequency allocation units are used for qos requirement is higher than the Frame of presetting the QoS threshold value, and assigned modulation efficient is less than or equal to the modulation coding mode of first threshold; Qos requirement is less than or equal to the Frame of presetting the QoS threshold value, and assigned modulation efficient is higher than the modulation coding mode of described first threshold;
Described transmit power assignment unit is used for qos requirement is higher than the Frame of presetting the QoS threshold value, distributes the transmitted power that is higher than second threshold value; Qos requirement is less than or equal to the Frame of presetting the QoS threshold value, distributes the transmitted power that is lower than or equals second threshold value;
Described many antennas mode allocation units are used for qos requirement is higher than the Frame of presetting the QoS threshold value, distribute diversity gain to be higher than many antenna assignment of diversity gain mode of the 3rd threshold value; Qos requirement is less than or equal to the Frame of presetting the QoS threshold value, distributes spatial multiplexing gain to be higher than many antenna assignment of spatial multiplexing gain mode of the 4th threshold value;
Described re-transmission mode allocation units are used for qos requirement is higher than the Frame of presetting the QoS threshold value, and the allocated code gain is higher than the re-transmission mode of the 5th threshold value; Qos requirement is less than or equal to the Frame of presetting the QoS threshold value, and the allocated code gain is lower than or equals the re-transmission mode of the 5th threshold value.
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| CN104980973B (en) * | 2014-04-08 | 2018-07-03 | 中国电信股份有限公司 | Method, strategic server and the system of policy control are carried out based on video quality |
| EP4124105A4 (en) * | 2020-04-16 | 2023-08-23 | Huawei Technologies Co., Ltd. | Data transmission method and communication apparatus |
| WO2022161162A1 (en) * | 2021-02-01 | 2022-08-04 | 大唐移动通信设备有限公司 | Video transmission method and apparatus, and storage medium |
| CN114928554A (en) * | 2021-02-01 | 2022-08-19 | 大唐移动通信设备有限公司 | Video transmission method, device and storage medium |
| CN114928554B (en) * | 2021-02-01 | 2024-04-02 | 大唐移动通信设备有限公司 | Video transmission method, device and storage medium |
| WO2023010290A1 (en) * | 2021-08-03 | 2023-02-09 | Oppo广东移动通信有限公司 | Wireless communication method, and devices |
| WO2023029759A1 (en) * | 2021-08-31 | 2023-03-09 | 华为技术有限公司 | Data transmission method and related device |
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