CN101330700A - Method for scheduling ascending IP load-bearing voice service - Google Patents
Method for scheduling ascending IP load-bearing voice service Download PDFInfo
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- CN101330700A CN101330700A CNA2007101115182A CN200710111518A CN101330700A CN 101330700 A CN101330700 A CN 101330700A CN A2007101115182 A CNA2007101115182 A CN A2007101115182A CN 200710111518 A CN200710111518 A CN 200710111518A CN 101330700 A CN101330700 A CN 101330700A
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Abstract
The invention discloses a method for scheduling the upstream IP carried voice service, which comprises the following steps: (1) a base station detects the state of the downstream IP carried voice service; (2) a timer is started up when the base station detects that the downstream IP carried voice service enters the silent state from the call state; (3) after the timer works overtime, the base station distributes upstream resources to a terminal corresponding to the downstream IP carried voice service according to specific periods; (4) the terminal sends the state switching report of the upstream IP carried voice service; (5) the base station distributes resources to the upstream IP carried voice service in a continuously scheduling manner. By comparing the method disclosed by the invention with the prior art, not only the real time requirement of the upstream VoIP scheduling service can be met, but also the complexity of the system is reduced and the utilization efficiency of the system resources is improved.
Description
Technical field
The present invention relates to wireless communication field, be specifically related to a kind of method that in the wireless communication system that constitutes by base station and terminal, realizes up VoIP (IP voice-over Voice over IP) service dispatching.
Background technology
Wireless communication system mainly contains terminal 110 as shown in Figure 1, and base station 120 and core net 130 are formed.The connection of logic or physics can be arranged between the base station 120 as required, and the network that base station 120 is formed is called wireless access network RAN (Radio Access Network), is responsible for the Access Layer affairs, such as the management of Radio Resource; The Radio Resource of up-downgoing carries out being responsible for scheduling by the base station according to the mode of shared channel.Base station 120 all is connected with core net 130, and each base station 120 can be connected with one or more than one core net CN (Core Network) node 130.Core net 130 is responsible for the Non-Access Stratum affairs, such as charging, location management etc.Terminal 110 be meant can with the equipment of network communication, such as mobile phone or notebook computer etc.Each terminal 110 only is connected to a base station in the network usually on up direction.
In existing LTE (Long Term Evolution Long Term Evolution) and WiMAX wireless communication systems such as (WorldwideInteroperability for Microwave Access micro-wave access to global intercommunication), for Uplink Shared Channel, the mode of employing base station scheduling is controlled the uplink of different terminals, to improve channel utilization.Once complete uplink scheduling generally include terminal send uplink scheduling information report, base station scheduling and authorize, authorize issue with terminal by authorizing four processes of uplink, with reference to figure 2, detailed process is as follows:
Step S210, terminal periodic or under Event triggered, send the uplink scheduling information report to the base station;
Step S220, the base station is the terminal distribution resource according to the uplink scheduling information of available resources situation and all terminals by certain strategy;
Step S230, the base station sends to terminal with the authorization message of up transmission;
Step S240, terminal is according to the authorization message uplink data sending and the control information of up transmission;
In step S210, terminal need be to the uplink scheduling information of base station report oneself, and uplink scheduling information mainly comprises the state of each buffer queue etc.
Find out that easily can there be long time delay in above-mentioned uplink scheduling process, real-time is required very harsh upstream data, be not suitable for adopting above-mentioned uplink scheduling process.To up VoIP business, because its data reach by all period interval, and the packet size all is clocklike, therefore usually it adopted the mode of continuous dispatching, be that up VoIP traffic assignments resource is periodically given in the base station, terminal need not be carried out resource request for upstream data sends at every turn.But, the professional conversation and the two states of mourning in silence of existing of VoIP, when the VoIP business entered silent status, the base station should be released to the resource that talking state is distributed, to improve resource utilization ratio.Therefore, when up VoIP business when silent status enters talking state, the base station needs to distribute for it again the resource of transmission upstream data bag.Like this, the state exchange that up VoIP business is conversed from mourning in silence to need be known in the base station.When up VoIP business is transformed into talking state from mourning in silence, adopt the method for terminal informing base station usually.The ascending resource that this notice both may have been used reservation also may use the uplink random access channel.Reserve ascending resource for this report and cause the wasting of resources easily, use the uplink random access channel then to have the uncertain problem of access delay, may cause packet loss.Consider that the VoIP business all is up, descending paired appearance usually, and the alternately appearance of the talking state of uplink and downlink, therefore, this paper has proposed its corresponding up VoIP business is dispatched in a kind of base station according to the descending VoIP business method.
Summary of the invention
The technical problem to be solved in the present invention provides the method that realizes up VoIP service dispatching in a kind of wireless communication system that is made of base station and terminal, can there be long time delay in the uplink scheduling process in the prior art to solve, and makes real-time require very harsh upstream data no longer to be fit to adopt problems such as above-mentioned scheduling process.
In order to address the above problem, the invention provides a kind of method that in the wireless communication system that constitutes by base station and terminal, realizes up VoIP service dispatching.This method is same to adapt to the scheduling of other uplink service that the arrival that is used to exist corresponding downlink business and uplink service is associated with the behavior of downlink business.Wherein, may further comprise the steps:
(1) state of descending VoIP business is detected in the base station;
(2) detect the descending VoIP business when talking state enters silent status when the base station, start timer;
(3) behind the timer expiry, the base station is pressed specific period and is given this descending VoIP professional pairing terminal distribution ascending resource;
(4) terminal sends the state exchange report of up VoIP business;
(5) base station is up VoIP traffic assignments resource by the continuous dispatching mode;
Method of the present invention, wherein, step (3) also further comprises: if not overtime or during the active mandate of up VoIP business is given in the base station at timer, the descending VoIP business reenters talking state, the base station then stops the active mandate to up VoIP business, the timer zero clearing, and return execution in step (1);
Further, method of the present invention, wherein, described active mandate enters the active mandate of the state exchange situation of conversation by mourning in silence for reporting uplink VoIP business;
Further, method of the present invention, wherein, and in the step (5), described continuous dispatching mode, for not carrying out under the situation of resource request for the transmission of upstream data in terminal, up VoIP traffic assignments resource is periodically given in the base station;
Further, method of the present invention, wherein, the value of timer is after the base station is transformed into silent status to the descending VoIP business, the time interval prediction that first up VoIP packet arrives;
Further, method of the present invention, wherein, in adaptive mode, promptly according to the actual interval of first up VoIP data arrival, constantly parameter adjustment is carried out in identification correction again to the value of timer by the base station;
Further, method of the present invention, wherein, described state exchange report is used for the state exchange situation that reporting uplink VoIP business is conversed from mourning in silence to.
Adopt the method for the invention, compared with prior art, both can satisfy the real-time requirement of up VoIP business, can reduce system complexity again, improve system resource utilization efficient.
Description of drawings
Fig. 1 is a wireless communication system architecture schematic diagram in the prior art;
Fig. 2 is the up VoIP service dispatching process schematic diagram of wireless communication system in the prior art;
Fig. 3 is a up VoIP state exchange method for reporting flow chart in the embodiment of the invention;
Fig. 4 is a up VoIP state exchange method of reporting schematic diagram in the embodiment of the invention.
Embodiment
The present invention is in order to solve the drawback that conventional solution exists, further set forth a kind of method that realizes the scheduling of ascending IP load-bearing voice service of the present invention by following specific embodiment, below embodiment is described in detail, but not as a limitation of the invention.The technical program is dispatched the method for its corresponding up VoIP business according to the descending VoIP business with the professional specific descriptions of VoIP (Voice over Internet Protocol internet protocol voice technology) base station of the present invention.
As shown in Figure 3, be up VoIP state exchange method for reporting flow chart in the embodiment of the invention.May further comprise the steps:
Step S301, the state of descending VoIP business is detected in the base station; Enter silent status if detect the professional beginning of descending VoIP by talking state, then begin to carry out next step; Otherwise, do not deal with;
Step S302, the descending VoIP business when talking state enters silent status, base station initiated timer;
The value of timer is after the base station is transformed into silent status to the descending VoIP business, the interval prediction that first up VoIP packet arrives; Can be by the base station in adaptive mode, promptly according to the actual interval of first up VoIP packet arrival, constantly parameter adjustment is carried out in identification correction again;
Step S303, behind the timer expiry, the base station is pressed specific period and is initiatively given this descending VoIP professional pairing terminal distribution ascending resource;
If it is overtime that described timer does not have, then do not do any processing;
In addition, if not overtime or during the active mandate of up VoIP business was given in the base station, the descending VoIP business reentered talking state at timer, the base station then stops the active mandate to up VoIP business, the timer zero clearing, and return execution in step S301;
Wherein, initiatively authorize the active mandate that enters the state exchange situation of conversation for reporting uplink VoIP business by mourning in silence;
Step S304, terminal sends the state exchange report of up VoIP business by the conversation of mourning in silence;
Step S305, up VoIP traffic assignments resource is periodically given by the continuous dispatching mode in the base station, and terminal need not be carried out resource request for up VoIP data send at every turn.
As shown in Figure 4, be up VoIP state exchange method of reporting schematic diagram in the embodiment of the invention.
Wherein,
Expression is used for reporting uplink VoIP and mourns in silence/the active mandate of talking state conversion,
Represent that up VoIP mourns in silence/the talking state handover report.
The descending VoIP business is in talking state at the beginning among the figure, and up VoIP business is in silent status.After descending VoIP business was transformed into silent status from talking state, the base station was according to up VoIP business is provided with a timer from the talking state conversion prediction constantly of mourning in silence.Behind the timer expiry, ascending resource is initiatively distributed to terminal in the base station.The demonstration base station is carrying out just receiving the report of up VoIP business from the talking state conversion of mourning in silence after three actives are authorized among the figure.Then, continuous dispatching mode dispatching uplink VoIP business is adopted in the base station.
The behavior that inventive concept is suitable for all arrival that have corresponding downlink business and uplink service and downlink business has the uplink service of necessarily getting in touch.Such as, to up TCP ACK/NACK data, the time of successfully predicting corresponding up TCPACK/NACK data incoming terminal can eated dishes without rice or wine to send according to descending tcp data in the base station, and then initiatively distribute ascending resource to it, the TCPACK/NACK data can be uploaded as early as possible, improve the transmission rate that TCP connects.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (7)
1, a kind of method that realizes the scheduling of ascending IP load-bearing voice service is characterized in that, may further comprise the steps:
(1) state of downstream IP voice-over business is detected in the base station;
(2) detect downstream IP voice-over business when talking state enters silent status when the base station, start timer;
(3) behind the timer expiry, the base station is pressed specific period and is given this downstream IP voice-over professional pairing terminal distribution ascending resource;
(4) terminal sends the state exchange report of ascending IP load-bearing voice service;
(5) base station is an ascending IP load-bearing voice service Resources allocation by the continuous dispatching mode.
2, the method for claim 1 is characterized in that, step (3) also further comprises:
If at timer time-out period not, downstream IP voice-over business reenters talking state, the base station then stops the active mandate to the ascending IP load-bearing voice service, the timer zero clearing, and return execution in step (1).
3, method as claimed in claim 2 is characterized in that, described active mandate enters the active mandate of the state exchange situation of conversation by mourning in silence for reporting uplink IP voice-over business.
4, the method for claim 1 is characterized in that, in the step (5), and described continuous dispatching mode, for not carrying out under the situation of resource request for the transmission of upstream data in terminal, ascending IP load-bearing voice service Resources allocation is periodically given in the base station.
5, the method for claim 1 is characterized in that, the value of timer is after the base station is transformed into silent status to downstream IP voice-over business, the time interval prediction that first ascending IP load-bearing voice service packet arrives.
6, method as claimed in claim 5 is characterized in that, in adaptive mode, promptly according to the actual interval of first ascending IP load-bearing voice service packet arrival, parameter adjustment is carried out in identification correction again constantly to the value of timer by the base station.
7, the method for claim 1 is characterized in that, described state exchange report is used for the state exchange situation that reporting uplink IP voice-over business is conversed from mourning in silence to.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101115182A CN101330700B (en) | 2007-06-19 | 2007-06-19 | Method for scheduling ascending IP load-bearing voice service |
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| CN2007101115182A CN101330700B (en) | 2007-06-19 | 2007-06-19 | Method for scheduling ascending IP load-bearing voice service |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013007022A1 (en) * | 2011-07-13 | 2013-01-17 | Empire Technology Development Llc | Voice over internet protocol services |
| WO2018018475A1 (en) * | 2016-07-27 | 2018-02-01 | 华为技术有限公司 | Method and device for negotiating maximum packaging interval, and storage medium |
| WO2019033884A1 (en) * | 2017-08-17 | 2019-02-21 | 中兴通讯股份有限公司 | Method and apparatus for allocating air interface resource for voice service, and base station |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FI20000316A (en) * | 2000-02-14 | 2001-08-15 | Nokia Networks Oy | Emulation of information flow |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013007022A1 (en) * | 2011-07-13 | 2013-01-17 | Empire Technology Development Llc | Voice over internet protocol services |
| US10425929B2 (en) | 2011-07-13 | 2019-09-24 | Empire Technology Development Llc | Voice over internet protocol services |
| WO2018018475A1 (en) * | 2016-07-27 | 2018-02-01 | 华为技术有限公司 | Method and device for negotiating maximum packaging interval, and storage medium |
| US10785349B2 (en) | 2016-07-27 | 2020-09-22 | Huawei Technologies Co., Ltd. | Method for negotiating maximum packaging interval, apparatus, and storage medium |
| WO2019033884A1 (en) * | 2017-08-17 | 2019-02-21 | 中兴通讯股份有限公司 | Method and apparatus for allocating air interface resource for voice service, and base station |
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| CN101330700B (en) | 2012-02-29 |
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