CN101657021B - Method, device and system realizing channel multiplexing based on dispatch - Google Patents
Method, device and system realizing channel multiplexing based on dispatch Download PDFInfo
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- CN101657021B CN101657021B CN2008100419842A CN200810041984A CN101657021B CN 101657021 B CN101657021 B CN 101657021B CN 2008100419842 A CN2008100419842 A CN 2008100419842A CN 200810041984 A CN200810041984 A CN 200810041984A CN 101657021 B CN101657021 B CN 101657021B
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Abstract
The invention provides a method, device and system realizing channel multiplexing based on dispatch. The method comprises: a network side device acquiring that a voice service on first terminal on the channel is in quiet period; the network side device dispatching the channel to a second terminal if the network side device and the second terminal are necessary to execute voice service or grouping service. before the former steps, a medium access control MAC protocol stack is used as protocol stack for the voice service and the grouping service, the network side device distributes a same channel to the first terminal and the second terminal. The device of the invention comprises: a first distribution unit, an acquiring unit, and a second distribution unit. By using the invention, multiplexing of channel in the quiet period can be realized.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, Apparatus and system of realizing channel multiplexing based on scheduling.
Background technology
In the speech business of communication system, after the user initiated voice service request, the channel resource that carries this customer service was promptly monopolized by this user.In the time-continuing process of speech business, even without carrying out session, when promptly the user's voice business was in the voice quiet period, this channel resource was still monopolized.
The inventor is in research process, find that there is following shortcoming in the process of implementation in the existing voice business: when channel resource is monopolized by certain speech business, other speech business and Packet Service can not use the channel resource of being monopolized by this speech business, make utilization rate of channel resources reduce.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of method, Apparatus and system of realizing channel multiplexing based on scheduling.
A kind of method based on scheduling realization channel multiplexing, as speech business and the public protocol stack of Packet Service, network side apparatus distributes same channel to give first terminal and second terminal with medium access control MAC protocol stack, and described method comprises:
Described network side apparatus knows that the speech business of described the above first terminal of same channel is in quiet period;
If described network side apparatus and described second terminal need be carried out speech business or Packet Service, described network side apparatus is given described second terminal with described channel dispatch.
A kind of network side apparatus, with first terminal and second terminal communication, described network side apparatus comprises:
First allocation units are used to first terminal and the same channel of second terminal distribution;
Know the unit, be used to know that the speech business of described the above first terminal of same channel is in quiet period;
Second allocation units, the described network side apparatus and second terminal be used for if need be carried out speech business or Packet Service, when knowing that the unit knows that the speech business of first terminal on the described channel is in quiet period, give described second terminal when described with the channel dispatch that described first allocation units distribute.
A kind of system based on scheduling realization channel multiplexing, described system comprises:
Aforementioned network side device, first terminal and second terminal;
Described network side apparatus and described first terminal and described second terminal communication.
As can be seen, when going out the realize voice quiet period, use to second terminal channel dispatch by the common protocol stack, thereby, realized multiplexing of channel in the speech business quiet period, improved utilization rate of channel resources.
At up direction, network side apparatus notifies first terminal need carry out channel allocation, at down direction, network side apparatus is distinguished second terminal of using channel in the quiet period of the first terminal speech business, thereby can be on the basis of existing network system and terminal, realize the multiplexing of channel resource accurately.
Description of drawings
Fig. 1 is the inventive method embodiment flow chart;
Fig. 2 is a method embodiment of a present invention flow chart;
Fig. 3 is network side apparatus example structure figure of the present invention;
Fig. 4 is a system embodiment structure chart of the present invention.
Embodiment
For above-mentioned feature of the present invention, advantage are become apparent more, the present invention is described in detail below in conjunction with embodiment.
Please refer to Fig. 1, show the inventive method embodiment flow process, the method that present embodiment provides comprises:
Step 101: network side apparatus knows that the speech business of first terminal on the channel is in quiet period;
Step 102: if the described network side apparatus and second terminal need be carried out speech business or Packet Service, described network side apparatus is given described second terminal with described channel dispatch.
In the method that the embodiment of the invention provides, need to use the data link layer protocol stack of Packet Service, it is the MAC protocol stack, or MAC protocol stack and the original channel link access protocol of Radio Link control rlc protocol stack replacement speech business Lapdm agreement, with the MAC protocol stack, or MAC protocol stack and rlc protocol stack are as speech business and the public protocol stack of Packet Service.
According to the differentiating method different to terminal under the speech business, below further method provided by the invention is elaborated for embodiment.
In the present embodiment, network side apparatus can be a base station controller BSC.In the present embodiment, replace the original Lapdm agreement of speech business with the MAC protocol stack.
Referring to Fig. 2, present embodiment can may further comprise the steps:
Step 201:BSC is that two terminal: terminal A, terminal B in the sub-district distribute same channel X;
In the step 201, the same channel X of distribution can be a Traffic Channel.
Step 202:BSC is Packet Service or the speech business distribution priority of terminal A and terminal B according to the quality of service grade of terminal A in this sub-district and terminal B, and the priority of distributing for speech business is higher than the priority of distributing for Packet Service.
The channel X that step 203: terminal A takies above-mentioned BSC distribution carries out speech business, and when quiet period appearred in the speech business of terminal A, terminal A reported the channel multiplexing of oneself whether supporting based on scheduling to BSC;
If terminal A supports to enter step 204 based on the channel multiplexing of scheduling, otherwise flow process finishes;
Whether step 204:BSC selects, select when the speech business of terminal A is in quiet period channel X to be dispatched to terminal B;
If BSC selects channel X is dispatched to terminal B, then enter step 205, otherwise flow process finishes;
A is when terminal A is in the voice quiet period to step 205:BSC notice terminal, and BSC can dispatch channel X to other terminal and use;
For from step 203 to step 204 to this part flow process of step 205, if taking the channel X of above-mentioned BSC distribution, terminal A carries out speech business, when the speech business of terminal A is in quiet period, step 203 can be skipped to step 204 to step 205, can be that the direct appointment of BSC is dispatched this channel X to terminal B and used.
Step 206: when terminal B had channel demands, for example, terminal B need send or receive speech business or Packet Service, and BSC dispatches, and this channel X is dispatched to terminal B use, and flow process finishes.
About scheduling, the following packet radio dispatching algorithm that can adopt those of ordinary skills to know does not repeat them here: max carrier to interference algorithm (Maximum Carrier to Interference is called for short MaxC/I); Repeating query algorithm (Round Robin is called for short RR); Direct ratio fair algorithm (Proportional Fair is called for short PF) etc.
In step 206, if up direction, promptly terminal B need send speech business or Packet Service to BSC, and BSC need notify terminal B to distribute channel for it, can carry out the transmission of upstream data.Concerning terminal B, need learn and to carry out the transmission of upstream data.Therefore, terminal B need decode to uplink state sign (USF).Can comprise following method:
Method one: at first distinguish the circuit domain (CS territory) of responsible speech business and the packet domain (PS territory) of responsible Packet Service, distinguish the terminal in PS territory and CS territory, respectively USF is carried out area decoder then and tell different terminals;
Can be to distinguish the circuit domain (CS territory) of being responsible for speech business and the packet domain (PS territory) of responsible Packet Service, that is: distribute different training bits respectively for CS territory and PS territory by the training bit of normal burst pulse train NB (Normal burst); According to telling CS territory and PS territory for the different training bit area of CS territory and the distribution of PS territory.
Method two: because USF is independent encoding and decoding, the decoding method of CS territory USF can be different with the PS territory, then can carry USF in speech frame by revising speech frame channel coding/decoding mode, thereby make the USF of PS mobile phone in also can decoded speech frames.Like this, just can directly use USF to distinguish the different terminals in PS territory and CS territory.
Terminal B is by learning that to the decoding of USF terminal B can carry out upstream data and send.
In step 206, if down direction, promptly BSC need send speech business or Packet Service to terminal B, and BSC need distinguish terminal B.
In the present embodiment, the method distinguished of BSC can comprise following several method:
Method one: because the PS territory can indicate (TFI, Temporary Flow Identity) to come distinguishing terminal by Temporary Block Flow, then can in the CS territory, increase the TFI that is similar to the PS territory, come distinguishing terminal by TFI;
To the differentiation of terminal under each speech business of CS territory, can in speech frame, add TFI, distinguish terminal under each speech business according to the TFI that adds.The encoding and decoding of the TFI that adds can be different with the TFI in the PS territory, for example, can adopt different number of bits, as 3 bits.Like this, just can directly use TFI to distinguish the different terminals in PS territory and CS territory.
Method two: at first distinguish PS territory and CS territory, distinguish the terminal in PS territory and CS territory then, can may further comprise the steps:
Steps A 1: at first distinguish the circuit domain (CS territory) of responsible speech business and the packet domain (PS territory) of responsible Packet Service, distinguish the terminal in PS territory and CS territory;
Can be to distinguish the circuit domain (CS territory) of being responsible for speech business and the packet domain (PS territory) of responsible Packet Service, that is: distribute different training bits respectively for CS territory and PS territory by the training bit of NB; According to telling CS territory and PS territory for the different training bit area of CS territory and the distribution of PS territory.
Steps A 2: distinguish the affiliated terminal of each speech business in CS territory and the affiliated terminal of each Packet Service in PS territory.
To the differentiation of terminal under each Packet Service of PS territory, can distinguish by TFI.
Differentiation to terminal under each speech business of CS territory, can only distinguish by training sequence, for example, the training sequence of NB has 8 kinds, then can for the terminal distribution under each Packet Service in PS territory with a kind of training sequence, and other 7 kinds of training sequences are distributed to the described terminal of each speech business in the CS territory, are used to distinguish different CS service terminals.
To the differentiation of terminal under each speech business of CS territory, also can be by in speech frame, adding TFI, distinguish terminal under each speech business according to the TFI that adds.The encoding and decoding of the TFI that adds can be identical with the TFI in the PS territory, also can be different, for example, can adopt different number of bits, and as 3 bits, perhaps, owing to distinguished CS territory and PS territory, and therefore, can be with the TFI absolute coding.
Method three: in the speech frame of speech business, increase the indication that is used to distinguish different terminals.
In the method three, replace the original Lapdm agreement of speech business with MAC protocol stack and rlc protocol stack.
The existing voice code rate is mapped to the RLC coded system, speech frame is carried out the RLC encoding and decoding, please refer to shown in the table 1:
Table 1
In the table 1, can not revise RLC/MAC form to the RLC of speech frame coding, the indication that utilizes being used to of carrying among the RLC/MAC header to distinguish different terminals is distinguished the terminal under this speech business.If two or more speech frame is arranged, please refer to shown in the table 2, at this, be that example describes with two speech frames only:
Table 2
Can also further utilize the remaining bits in the RLC piece, the speech frame that carries is carried out error correction coding.
To all voice coding modes: full rate FR (Full Rate), half rate HR (HalfRate), enhanced full rate EFR (Enhanced Full Rate) and adaptive multi-rate AMR (AdaptiveMulti-Rate), all can adopt similar method.
More than the inventive method embodiment is had been described in detail, as can be seen, if terminal A uses a channel to carry out speech business, when terminal A goes out the realize voice quiet period, use to other terminal channel dispatch by the common protocol stack, thereby, realized multiplexing of channel in the speech business quiet period, improved utilization rate of channel resources.
At up direction, BSC notice terminal A needs this channel is distributed, and at down direction, BSC area is told another terminal B that uses this channel in the quiet period of terminal A speech business, thereby can be on the basis of existing network system and terminal, realize the multiplexing of channel resource accurately.
Please refer to Fig. 3, show the structure chart of network side apparatus embodiment provided by the invention, comprising:
Know unit 302, be used to know that the speech business of described the above first terminal of same channel is in quiet period;
In apparatus of the present invention embodiment, network side apparatus shown in Figure 3 can also comprise:
Discrimination unit is used for terminal is distinguished, and distinguishes described second terminal.
Know that the unit can comprise:
Receiving element is used to receive the channel multiplexing based on scheduling whether supported of described first terminal to report;
Whether selected cell is used for selecting described channel to be distributed when the described first terminal support during based on the channel multiplexing of scheduling;
Notification unit is used for notifying described first terminal that described channel is dispatched when selecting that described channel is carried out the branch timing.
The step of each unit of network side apparatus embodiment provided by the invention being carried out below in conjunction with method embodiment is elaborated.
Network side apparatus embodiment provided by the invention need use the data link layer protocol stack of Packet Service, it is the MAC protocol stack, or MAC protocol stack and the original Lapdm agreement of Radio Link control rlc protocol stack replacement speech business, with the MAC protocol stack, or MAC protocol stack and rlc protocol stack are as speech business and the public protocol stack of Packet Service.
First allocation units of BSC are that terminal A and terminal B distribute same channel, when the speech business of terminal A is in quiet period, whether what know that the receiving element receiving terminal A of unit reports oneself supports channel multiplexing based on scheduling, if support, whether the selected cell of knowing the unit is selected this channel to be dispatched, if dispatch, know that the notification unit notice terminal A of unit can dispatch this channel.The associated description of the concrete mode of scheduling in can reference method embodiment.
When terminal B had channel demands, second allocation units of BSC were given terminal B with this channel dispatch, and the channel that terminal B is utilized as its scheduling can carry out uplink service or downlink business with BSC.
At up direction, BSC notice terminal B has dispatched this channel for it, and terminal B utilizes the channel of scheduling to send speech business or Packet Service to BSC, and BSC receives speech business or the Packet Service of self terminal B.
At down direction, the discrimination unit of BSC is distinguished terminal B, in order to send speech business or Packet Service by BSC to terminal B.The method that discrimination unit is distinguished is identical with method embodiment, specifically sees also the description of method embodiment.
Network side apparatus embodiment provided by the invention can be used to carry out each step of aforementioned the inventive method embodiment, and the variation of idiographic flow or step and implementation detail can not repeat them here with reference to aforementioned the inventive method embodiment.
Please refer to Fig. 4, be system embodiment structure chart of the present invention, comprising:
Associated methods embodiment, in system embodiment, network side apparatus can be BSC, the first terminal 402-1 is terminal A, the second terminal 402-2 is terminal B, and the step that BSC, terminal A, terminal B carry out is identical with method embodiment, specifically sees also the description of method embodiment.
At last, also need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforementioned program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
More than a kind ofly realize that based on scheduling method, the Apparatus and system of channel multiplexing are described in detail to provided by the present invention, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (11)
1. method that realizes channel multiplexing based on scheduling, it is characterized in that, as speech business and the public protocol stack of Packet Service, network side apparatus distributes same channel to give first terminal and second terminal with medium access control MAC protocol stack, and described method comprises:
Described network side apparatus knows that the speech business of described the above first terminal of same channel is in quiet period;
Described network side apparatus receives whether supporting based on the channel multiplexing of dispatching of described first terminal to report, if the described first terminal support is based on the channel multiplexing of scheduling, described network side apparatus is selected, select whether described channel to be dispatched, if described network side apparatus is selected described channel is dispatched, then described network side apparatus notifies described first terminal that described channel is dispatched;
If described network side apparatus and described second terminal need be carried out speech business or Packet Service, described network side apparatus is given described second terminal with described channel dispatch.
2. method according to claim 1 is characterized in that, described network side apparatus comprises to described second terminal described channel dispatch:
Described network side apparatus is distinguished terminal, distinguishes described second terminal, gives described second terminal with described channel dispatch.
3. method according to claim 2 is characterized in that, described network side apparatus is divided into terminal:
The differentiated service classification, described class of service comprises speech business and Packet Service;
Terminal under the speech business is distinguished and/or the terminal under the Packet Service is distinguished;
According to terminal under the speech business and/or to the differentiation of the terminal under the Packet Service, distinguish described second terminal.
4. method according to claim 3 is characterized in that, described differentiated service classification is:
Training bit area separate service classification according to normal burst pulse train NB.
5. according to each described method of claim 2 to 4, it is characterized in that described network side apparatus is distinguished terminal and comprised:
In speech frame, add Temporary Block Flow indication TFI, according to the terminal under the described TFI differentiation speech business, and/or according to the terminal under the differentiation of the TFI in the Packet Service Packet Service.
6. according to claim 3 or 4 described methods, it is characterized in that, the terminal under the speech business divided into:
According to the training bit terminal under the speech business is distinguished.
7. according to each described method of claim 2 to 4, it is characterized in that described network side apparatus is distinguished terminal and comprised:
Distinguish to the terminal under the speech business and/or to the terminal under the Packet Service according to uplink state sign USF.
8. method according to claim 2 is characterized in that, MAC protocol stack and Radio Link are controlled the rlc protocol stack as speech business and the public protocol stack of Packet Service, and described network side apparatus is divided into terminal:
Distinguish the indication of different terminals according to being used to of carrying among RLC/MAC the RLC/MAC header terminal under the speech business and/or the terminal under the Packet Service are distinguished, distinguish described second terminal.
9. network side apparatus with first terminal and second terminal communication, is characterized in that described network side apparatus comprises:
First allocation units are used to first terminal and the same channel of second terminal distribution;
Know the unit, be used to know that the speech business of described the above first terminal of same channel is in quiet period, specifically comprise: receiving element is used to receive the channel multiplexing based on scheduling whether supported of described first terminal to report; Whether selected cell is used for selecting described channel to be distributed when the described first terminal support during based on the channel multiplexing of scheduling; Notification unit is used for notifying described first terminal that described channel is dispatched when selecting that described channel is carried out the branch timing;
Second allocation units, the described network side apparatus and second terminal be used for if need be carried out speech business or Packet Service, when knowing that the unit knows that the speech business of first terminal on the described channel is in quiet period, give described second terminal when described with the channel dispatch that described first allocation units distribute.
10. network side apparatus according to claim 9 is characterized in that, described network side apparatus also comprises:
Discrimination unit is used for terminal is distinguished, and distinguishes described second terminal.
11. the system based on scheduling realization channel multiplexing is characterized in that described system comprises:
As claim 9 or 10 described network side apparatus, first terminal and second terminal;
Described network side apparatus and described first terminal and described second terminal communication.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100419842A CN101657021B (en) | 2008-08-19 | 2008-08-19 | Method, device and system realizing channel multiplexing based on dispatch |
| PCT/CN2009/073345 WO2010020179A1 (en) | 2008-08-19 | 2009-08-19 | Method, device and system for realizing multiplexing channel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100419842A CN101657021B (en) | 2008-08-19 | 2008-08-19 | Method, device and system realizing channel multiplexing based on dispatch |
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| CN201110441170.XA Division CN102573093B (en) | 2008-08-19 | 2008-08-19 | Method, device and system used for achieving channel multiplexing and based on scheduling |
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| CN101657021A CN101657021A (en) | 2010-02-24 |
| CN101657021B true CN101657021B (en) | 2011-12-28 |
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| WO (1) | WO2010020179A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103476124B (en) * | 2013-09-02 | 2017-02-15 | 中国联合网络通信集团有限公司 | Method and device for transmitting service data |
| CN104244328B (en) * | 2014-09-18 | 2018-06-22 | 大唐移动通信设备有限公司 | A kind of composite service dispatching method and device |
| CN112653503B (en) * | 2020-12-17 | 2022-04-26 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Space satellite voice channel multiplexing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277762A (en) * | 1998-08-26 | 2000-12-20 | 三星电子株式会社 | Device and method for communicating packet voice data in mobile communication system |
| CN1464756A (en) * | 2002-06-28 | 2003-12-31 | 上海贝尔有限公司 | Dynamic allocation method for communication channel in time-division duplex communication system |
| CN1596004A (en) * | 2003-09-10 | 2005-03-16 | 华为技术有限公司 | Method of allocating wireless reversed channel in cluster service for cellular communication system |
| EP1282965B1 (en) * | 2000-05-09 | 2007-07-11 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for sustaining conversational services in a packet switched radio access network |
-
2008
- 2008-08-19 CN CN2008100419842A patent/CN101657021B/en not_active Expired - Fee Related
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2009
- 2009-08-19 WO PCT/CN2009/073345 patent/WO2010020179A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277762A (en) * | 1998-08-26 | 2000-12-20 | 三星电子株式会社 | Device and method for communicating packet voice data in mobile communication system |
| EP1282965B1 (en) * | 2000-05-09 | 2007-07-11 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for sustaining conversational services in a packet switched radio access network |
| CN1464756A (en) * | 2002-06-28 | 2003-12-31 | 上海贝尔有限公司 | Dynamic allocation method for communication channel in time-division duplex communication system |
| CN1596004A (en) * | 2003-09-10 | 2005-03-16 | 华为技术有限公司 | Method of allocating wireless reversed channel in cluster service for cellular communication system |
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| WO2010020179A1 (en) | 2010-02-25 |
| CN101657021A (en) | 2010-02-24 |
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