CN101345697B - Selection method, system and apparatus of control channel - Google Patents
Selection method, system and apparatus of control channel Download PDFInfo
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- CN101345697B CN101345697B CN2007101280777A CN200710128077A CN101345697B CN 101345697 B CN101345697 B CN 101345697B CN 2007101280777 A CN2007101280777 A CN 2007101280777A CN 200710128077 A CN200710128077 A CN 200710128077A CN 101345697 B CN101345697 B CN 101345697B
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Abstract
An embodiment of the invention discloses a selecting method of a control channel, comprising: obtaining channel controlling information of a control channel between an initiating node and a responding node; selecting the control channel with the most excellent communication ability according to the communication ability information; using the control channel with the most excellent communication ability as the control channel which is working currently between the initiating node and the responding node. The embodiment of the invention also discloses a selecting system of the control channel and a device. The selection scheme of the control channel advances quality of the control channel which is working currently, avoids the problems of low quality of the control channel to be selected randomly in prior art, not to realize normal function.
Description
Technical field
The present invention relates to communication technique field, relate in particular to system of selection, system and the device of control channel.
Background technology
In order to realize route, signaling and the link management function between the node, setting up between the node has control channel.Must set up the control channel of at least one activation between a pair of node, select one of them as the control channel of work at present.
In the prior art, the selection scheme of control channel is random to select one of them control channel between a pair of node as the control channel of work at present.The below describes as an example of the control channel set up between node A shown in Figure 1 and the Node B example.Referring to Fig. 1, CC1, CC2, CC3 and CC4 represent respectively between node A and the Node B 4 control channels setting up sequentially, and its bandwidth is respectively 64Kbit/s, 128Kbit/s, 192Kbit/s and 576Kbit/s.According to the channel selecting scheme of prior art, if the control channel of selecting at random is CC1, then control channel CC1 is as the control channel of work at present between node A and the Node B.The bandwidth of CC1 is 64K, when the data volume that transmits on the control channel is larger, then may the lost part signaling message, and obviously not as good as CC2, the quality of CC3 and CC4 is high.
The inventor finds in the invention process, there is following problem in the selection scheme of existing control channel: when foundation between two nodes has a plurality of control channel, the quality of each control channel may be different, as, the bandwidth of some control channel is very little, and there is error code in some control channel when communicating, and namely channel signal is of low quality, some control channel reliabilities are not high, etc.Select at random the method for the control channel of work at present according to prior art, may be inadequate because of bandwidth, channel signal is of low quality or reliability is not high causes the loss of data that transmits on the control channel or misinformation etc., make the quality of control channel of work at present very low, can not realize the normal function of control channel.
Summary of the invention
The embodiment of the invention provides a kind of system of selection of control channel, and the method can improve the quality of the control channel of work at present.
The embodiment of the invention provides a kind of selective system of control channel, and this system can improve the quality of the control channel of work at present.
The embodiment of the invention provides a kind of device of control channel, and this device can improve the quality of the control channel of work at present.
A kind of system of selection of control channel, the method comprises:
Obtain to initiate the communication capacity information of the control channel between node and the responsive node;
According to the described communication capacity information that obtains, select the control channel of communication capacity optimum;
With the control channel of described optimum as the control channel of initiating work at present between node and the responsive node.
A kind of selective system of control channel, this system comprises first node and Section Point;
First node, be used for obtaining the communication capacity information of the control channel between described first node and the Section Point, according to the described communication capacity information that obtains, select the control channel of communication capacity optimum, with the control channel of the described optimum control channel as work at present, send the message of the control channel that comprises described optimum to Section Point;
Section Point is used for receiving the described message that comprises described optimal control passage, with the control channel of the described optimum control channel as work at present.
A kind of choice device of control channel, this device comprises optimal control channel selecting module and sending module;
The optimal control channel selecting module is for the communication capacity information that obtains the control channel between first node and the Section Point; According to the described communication capacity information that obtains, select the control channel of communication capacity optimum; With the control channel of the described optimum control channel as work at present;
Sending module is for the message that sends the control channel that comprises described optimum to described Section Point.
Can find out from such scheme, the embodiment of the invention is selected in the control channel optimum control channel, as the control channel of work at present, thereby has improved the quality of the control channel of work at present.
Description of drawings
Fig. 1 is the schematic diagram of each control channel of setting up between node A and the Node B;
Fig. 2 is the exemplary process diagram of the system of selection of embodiment of the invention control channel;
Fig. 3 is the particular flow sheet of the system of selection of embodiment of the invention control channel;
Fig. 4 is the flow chart of an object lesson of step 301 among Fig. 3;
Fig. 5 is the structural representation of the selective system of embodiment of the invention control channel.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.
Referring to Fig. 2, be the exemplary process diagram of the system of selection of embodiment of the invention control channel, in the selection of control channel, the node of initiating the selection of control channel is called the initiation node, another node is called responsive node.The method may further comprise the steps:
This step can be finished by initiating node, also can be finished by responsive node.When carrying out this step, can assess out the communication capacity of current each control channel, relatively draw the control channel of communication capacity optimum.
This step can be by selecting the highest control channel of current each control channel medium priority, realizes as the control channel of communication capacity optimum.Described priority can be to be each control channel configuration according to the actual conditions of current each control channel.
This step also can be by selecting the optimum control channel of current each control channel moderate value (Metrics), realizes as the control channel of communication capacity optimum.Metric calculates according to the mass parameter of control channel and the weighted value corresponding with described mass parameter, and the metric parameter of described control channel comprises bandwidth chahnel, channel signal quality, channel reliability, and other parameters.Wherein, described channel signal quality can be determined by situations such as error code, packet losses.The computation rule of metric can for:
Metrics=X* bandwidth+Y* channel signal quality+Z* reliability+..., wherein, X, Y, Z represent respectively the weighted value of bandwidth, the weighted value of channel signal quality, the weighted value of reliability.The Weighted Rule of two nodes that carries out channel selecting is consistent.
In the practice, when needs specify a certain control channel to be the optimal control passage, its Metrics can be revised as optimum.
Certainly, select the method for optimum control channel to be not limited only to this, exemplify no longer one by one here.
The control channel of described optimum can be for more than one, and correspondingly, the control channel of work at present can be more than one any situation.The selection of embodiment of the invention control channel can be finished by the initiation node that carries out channel selecting and the control plane of responsive node.
The below to be initiating node completing steps 201 as example, and the system of selection of embodiment of the invention control channel is described.Referring to Fig. 3, be the specific embodiment of the system of selection of embodiment of the invention control channel, the method may further comprise the steps:
About the specific descriptions of this step referring to step 201.
In this step, describedly judge whether to detect the control channel that changes and also can be finished by responsive node.Described detection control channel comprises: variation has occured in the control channel that is in state of activation, and variation has occured in running order control channel, perhaps has new control channel to be activated.Described variation comprises: variation has occured in the physical port of a certain control channel transmit-receive position; Variation has occured in the metric of a certain control channel; A certain control channel breaks down, etc.
In this step, during described execution in step 301, can assess out the communication capacity of the control channel that changes, the communication capacity of the control channel that does not change of assessing out when selecting optimum control channel with previous moment compares, and draws the control channel of current time communication capacity optimum.
The below is with by selecting the control channel of Metrics optimum in current each control channel, is example as the control channel of communication capacity optimum, and step 301 among Fig. 3 is specifically described.The control channel of Metrics optimum can be the control channel of Metrics maximum in current each control channel, can be the control channel of Metrics minimum in current each control channel, also can be the control channel that satisfies other condition according to actual conditions Metrics.In the present embodiment, the control channel of supposing described optimum is the control channel of Metrics maximum in current each control channel.For a certain control channel, the initiation node is different with the Metrics that responsive node calculates, and initiates the Metrics that node and responsive node calculate respectively current each control channel; Each control channel is selected respectively the Metrics as corresponding control channel from two Metrics that calculate; Initiate node the Metrics of each control channel of current time of selecting is compared, draw the control channel of current time Metrics maximum, as the control channel of communication capacity optimum.
Method as the Metrics of corresponding control channel of described selection is determined according to actual conditions, can select to initiate metric that Metrics that node calculates carries out each control channel as the Metrics of corresponding control channel relatively; The Metrics that also can select responsive node to calculate carries out the metric comparison of each control channel as the Metrics of corresponding control channel.Here when initiating Metrics that Metrics that node calculates and responsive node calculate when inconsistent, select the Metrics as corresponding control channel by responsive node.In the present embodiment, node A is for initiating node, and Node B is responsive node, and the Metrics that the initiation node is calculated is expressed as METRICS_A, and the Metrics that responsive node is calculated is expressed as METRICS_B.For a certain control channel, responsive node compares METRICS_A and METRICS_B, if when METRICS_B=METRICS_A or METRICS_B＞METRICS_A, with the Metrics of METRICS_A as this control channel; If during METRICS_B＜METRICS_A, with the Metrics of METRICS_B as this control channel.Referring to Fig. 4, be the flow chart of an object lesson of step 301 among Fig. 3, current each control channel of node A and Node B comprises control channel CC11 and CC22 etc., this flow process may further comprise the steps:
In step 401～402, if node A and Node B send beginning channel selecting message to the other side simultaneously, the ID of the ID of comparison node A and Node B then, the node that the ID value is large is as initiating node, another node returns beginning channel selecting response message by responsive node to initiating node as responsive node.
In the above-mentioned flow process, step 403 and step 404 are for a certain control channel, when METRICS_A=METRICS_B or METRICS_A＜METRICS_B, with the situation of METRICS_A as the Metrics of this control channel; Step 405～step 408 is for a certain control channel, METRICS_A〉during METRICS_B, with the situation of METRICS_B as the Metrics of this control channel.Same reason can be determined the Metrics of other control channel between current time node A and the Node B.
Fig. 4 is a specific embodiment of step 301, can realize by numerous embodiments in the practice.Such as, node A determines can also comprise the negotiation identification parameter in the request message to the metric that Node B sends in the step 403,405.
If consult identification parameter for not negotiable, the selection of metric is not negotiable, Node B determines that with metric the METRICS_A and the METRICS_B that comprise in the request message compare in the step 404,406 at this moment, if METRICS_A equals METRICS_B, then feed back the metric that comprises METRICS_A to node A and determine response message; If METRICS_A is not equal to METRICS_B, then consult failure to node A feedback, finish the determining of metric of corresponding control channel, continue the determining of metric of next control channel, the perhaps selection flow process of finishing control passage is selected the control channel of work at present with the method for prior art.If it is negotiable consulting identification parameter, the selection of metric is negotiable, Node B determines that with metric the METRICS_A and the METRICS_B that comprise in the request message compare in the step 404,406 at this moment, if METRICS_A equals METRICS_B, then feed back the metric that comprises METRICS_A to node A and determine response message; If METRICS_A is not equal to METRICS_B, then Node B is selected the metric as corresponding control channel, and the metric of described selection is fed back to node A.
Above-mentioned negotiable parameter can also be included in step 401 node A in the beginning channel selecting message of Node B transmission.If it is negotiable consulting identification parameter, when then carrying out the selection of each control channel in step 403～409, the selection of metric is negotiable; If consult identification parameter for not negotiable, when then carrying out the metric selection of each control channel in step 403～409, the selection of metric is not negotiable.
Should be understood that, the system of selection of embodiment of the invention control channel can realize by software, and this software can be stored in the computer-readable medium, and described computer-readable recording medium is ROM/RAM, magnetic disc or CD etc.This software comprises step 201～202 when carrying out, wherein during execution in step 201, can comprise step 301～303.
Be the structural representation of the selective system of embodiment of the invention control channel referring to Fig. 5, this system comprises first node 510 and Section Point 520.
Optimal control channel selecting module 511 is for the communication capacity information that obtains the control channel between first node 510 and the Section Point 520; According to the described communication capacity information that obtains, select the control channel of communication capacity optimum; With the control channel of the described optimum control channel as work at present.Optimal control channel selecting module 511 can for can realize selecting and Section Point 520 between control channel in any module of control channel of communication capacity optimum, for example priority chooser module 513 or metric chooser module 514, etc.
Sending module 512 is used for sending the message that comprises described optimal control passage to Section Point 510.
The scheme of the selection of embodiment of the invention control channel, with the control channel of control channel optimum in each control channel between current initiation node and the responsive node as work at present, improved the quality of the control channel of work at present, cause the control channel of work at present of low quality when having avoided selecting control channel at random in the prior art, can not realize the problem of normal function.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; the protection range that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the system of selection of a control channel is characterized in that, the method comprises:
Initiate node determination and initiate the metric of the control channel between node and the responsive node, described metric calculates according to the mass parameter of control channel and the weighted value corresponding with described mass parameter; The metric of the control channel between described definite initiation node and the responsive node is: initiate node and determine request message to responsive node transmission metric, described metric determines that request message comprises the ID sign of control channel, and the metric of initiating the control channel corresponding with described ID sign that node calculates; Initiate the metric of node reception responsive node feedback and determine response message, described metric determines that response message comprises the metric that responsive node calculates self node and initiates metric that node calculates to compare and the metric selected, the metric of described selection as and the metric of control channel corresponding to described ID sign;
Initiate node according to the described metric that obtains, the control channel of selectance value optimum is as the control channel of communication capacity optimum;
Initiate node with the control channel of described optimum as the control channel of initiating work at present between node and the responsive node, improve the quality of the control channel of work at present.
2. the method for claim 1 is characterized in that, before the metric of the control channel between described definite initiation node and the responsive node, the method comprises: detect the control channel of initiating between node and the responsive node and change.
3. the selective system of a control channel is characterized in that,
First node, be used for determining the metric of the control channel between described first node and the Section Point, according to the described metric that obtains, the control channel of selectance value optimum is as the control channel of communication capacity optimum, with the control channel of the described optimum control channel as work at present, send the message of the control channel that comprises described optimum to Section Point; Described metric calculates according to the mass parameter of control channel and the weighted value corresponding with described mass parameter; The metric of the control channel between described definite first node and the Section Point is: first node sends metric to Section Point and determines request message, described metric determines that request message comprises the ID sign of control channel, and the metric of the control channel corresponding with described ID sign that calculates of first node; First node receives the metric of Section Point feedback and determines response message, described metric determines that response message comprises that metric that metric that Section Point calculates self node and first node calculate compares and the metric selected, the metric of described selection as and the metric of control channel corresponding to described ID sign;
Section Point is used for receiving the described message that comprises described optimal control passage, with the control channel of the described optimum control channel as work at present, improves the quality of the control channel of work at present.
4. system as claimed in claim 3 is characterized in that, described first node comprises optimal control channel selecting module and sending module,
Described optimal control channel selecting module is for the communication capacity information that obtains the control channel between described first node and the described Section Point; According to the described communication capacity information that obtains, select the control channel of communication capacity optimum; With the control channel of the described optimum control channel as work at present;
Described sending module is for the message that sends the control channel that comprises described optimum to described Section Point;
Described optimal control channel selecting module comprises metric chooser module, is used for determining the metric of the control channel between first node and the Section Point, and the control channel of selectance value optimum is as the control channel of control ability optimum.
5. the choice device of a control channel is characterized in that, this device comprises optimal control channel selecting module and sending module for first node;
The optimal control channel selecting module is for the communication capacity information that obtains the control channel between first node and the Section Point; According to the described communication capacity information that obtains, select the control channel of communication capacity optimum; With the control channel of the described optimum control channel as work at present;
Sending module is for the message that sends the control channel that comprises described optimum to described Section Point;
Described optimal control channel selecting module comprises metric chooser module, is used for determining the metric of the control channel between first node and the Section Point, and the control channel of selectance value optimum is as the control channel of control ability optimum; Described metric calculates according to the mass parameter of control channel and the weighted value corresponding with described mass parameter; The metric of the control channel between described definite first node and the Section Point is: first node sends metric to Section Point and determines request message, described metric determines that request message comprises the ID sign of control channel, and the metric of the control channel corresponding with described ID sign that calculates of first node; First node receives the metric of Section Point feedback and determines response message, described metric determines that response message comprises that metric that metric that Section Point calculates self node and first node calculate compares and the metric selected, the metric of described selection as and the metric of control channel corresponding to described ID sign.
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| CN2007101280777A CN101345697B (en) | 2007-07-09 | 2007-07-09 | Selection method, system and apparatus of control channel |
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| CN104486219B (en) * | 2014-11-27 | 2018-06-12 | 国网上海市电力公司 | Multi-path data communications equipment and communication means |
| TWI575384B (en) * | 2015-09-04 | 2017-03-21 | 慧榮科技股份有限公司 | Channels controlling device |
| CN113612685B (en) * | 2018-06-29 | 2023-03-28 | 华为技术有限公司 | Network optimization method, system and network equipment |
| CN114124964B (en) * | 2022-01-24 | 2022-06-24 | 阿里云计算有限公司 | Communication system, channel scheduling method, device and storage medium |
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| CN1961497A (en) * | 2004-02-13 | 2007-05-09 | 美商内数位科技公司 | Method and apparatus for providing fast detection of a high speed shared control channel |
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| CN1961497A (en) * | 2004-02-13 | 2007-05-09 | 美商内数位科技公司 | Method and apparatus for providing fast detection of a high speed shared control channel |
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