CN101453406B - Processing method, system and relay station for terminal sleep request in relay network - Google Patents
Processing method, system and relay station for terminal sleep request in relay network Download PDFInfo
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- CN101453406B CN101453406B CN2007101785381A CN200710178538A CN101453406B CN 101453406 B CN101453406 B CN 101453406B CN 2007101785381 A CN2007101785381 A CN 2007101785381A CN 200710178538 A CN200710178538 A CN 200710178538A CN 101453406 B CN101453406 B CN 101453406B
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Abstract
The invention provides a method, a system and a relay station for processing a terminal dormancy request in a relay network, wherein the method comprises: receiving at least two first dormancy requests; processing the at least two first dormancy requests and generating at least one second dormancy request, wherein the number of the second dormancy requests is smaller then that of the first dormancy requests; coding the at least two dormancy request and generating at least one second dormancy request coded; transmitting the at least one second dormancy request coded in the relay station; and decoding the at least one second dormancy request coded and obtaining necessary information carried by the first dormancy requests. The method, the system and the relay station carry out combination and forwarding and reduce the forwarding times, thereby more efficiently using bandwidth resources in a relay mode. The method, the system and the relay station are compatible with the prior dormant machines in a non-relay mode.
Description
Technical field
The present invention relates to the bandwidth resources treatment technology in the communication technical field, particularly relate to the processing method and the processing unit of terminal dormancy request in a kind of junction network.
Background technology
Along with development of wireless communication devices, people are more and more stronger to the demand of broadband wireless access service, and standards such as IEEE 802.16 thus have been born.IEEE 802.16 series standards have obtained application in the part countries and regions more and more near industrialization.
Along with increasing of the used frequency of broadband network, the notion of relaying is introduced into IEEE 802.16 standards, IEEE 802.16j standard that Here it is.At present, this standard is just in formulation process.Relaying sets up relay station exactly between base station and terminal, described relay station can effectively increase the sub-district area coverage and improve signal transmission quality.
The same with other mobile communication system, in order to prolong described MS (mobile station: cruising time subscriber station), IEEE 802.16 system's support terminal sleep patterns.That is, the data processing amount that in described MS, needs hour, as not carrying out voice communication or note being in standby when handling, the transceiver module of described MS will enter lower powered sleep pattern, so that save electric weight.Stipulate that in IEEE 802.16 standards the sleep request can be initiated also can be initiated by described base station by described MS.In multihop network, sleep mode operation for described MS initiation, its request message must be forwarded to described base station through relay station, its objective is in order to guarantee that described base station can accurately know the state of described MS, and then guarantees that described base station can correctly ratify.But because under the relay station situation, the sleep request message will be transmitted through described relay station, need take system bandwidth certain in the relay station link, a plurality of MS are being arranged when same relay station sends the sleep request message, if described relay station is forwarded to the base station one by one with these request messages, then need to take a lot of bandwidth resources, and then influence communication efficiency.
Fig. 1 be current draft standard under the relaying situation, the repeating process of relay station when initiating the sleep request by MS.When MS wishes to enter sleep state, to RS (relay station: relay station) send sleep request MOB SLP-REQ message, by described RS to BS (base station: the base station) transmit this request.When having a plurality of MS requests to enter sleep state in the described RS coverage, described RS must transmit the sleep request message (MOB SLP-REQ1 to MOB SLP-REQ5) from described MS one by one, makes answer to wait for described BS.Transmit some similar message so at short notice, limited bandwidth resources have been caused waste, and described BS need decode respectively to these message, increase unnecessary repetitive operation.
For this reason, sleep mechanism prioritization scheme under a kind of junction network need have been proposed.This scheme need be under the prerequisite of the non-repeater mode sleep mechanism of compatibility, effectively reduces taking of bandwidth resources in the repeated link.
Summary of the invention
The processing method, system and the relay station that the purpose of this invention is to provide terminal dormancy request in a kind of junction network, solve in the prior art when a plurality of terminals and send when sleeping request message, need take the technical problem of more bandwidth resources to same relay station.
To achieve these goals, the invention provides the processing method of terminal dormancy request in a kind of junction network, wherein, comprise: receive at least two first sleep requests, described at least two first sleep requests are from least two terminals, each described first sleep request package contains necessary information, and described necessary information is the flesh and blood that the described first sleep request will transmit; Described flesh and blood comprises the sleep pattern parameter of the terminal of initiating this first sleep request at least; Described at least two first sleep requests are handled, generate at least one second sleep request, include the necessary information that each described at least two first sleep requests comprise in described at least one second sleep request, the quantity of the wherein said second sleep request is less than the quantity of the described first sleep request; Described at least one second sleep of encoding is asked, and generates through described at least one second sleep of coding to ask; Described described at least one second sleep request of transmission in repeated link through coding; Described described at least one second sleep request through coding is decoded, obtain the necessary information that the described first sleep request comprises.
Preferably, above-mentioned method wherein, every preset time at interval, generates once described at least one second sleep request.
Preferably, above-mentioned method, wherein, the necessary information of the described first sleep request comprises and the corresponding sleep pattern parameter of terminal of initiating this first sleep request; The described second sleep request is included in the number of the terminal of initiating the first sleep request in the described predetermined time interval, and the pairing sleep pattern parameter of each terminal.
Preferably, above-mentioned method wherein, selects to determine described predetermined time interval according to the terminal number of initiating the first sleep request and signaling consumption.
Preferably, above-mentioned method, wherein, be less than predetermined thresholding if initiate the terminal number of the first sleep request, then prolong described predetermined time interval, if the terminal number of initiating the first sleep request above predetermined thresholding, then shortens described predetermined time interval or increases the number of the described second sleep request.
To achieve these goals, the present invention also provides a kind of system that handles terminal dormancy request in the junction network, comprising:
Relay station, comprise: receiving element, be used for receiving at least two first sleep requests, described at least two first sleep requests are from least two terminals, each described first sleep request package contains necessary information, and described necessary information is the flesh and blood that the described first sleep request will transmit; Described flesh and blood comprises the sleep pattern parameter of the terminal of initiating this first sleep request at least; Processing unit, be used for described at least two first sleep requests are handled, generate at least one second sleep request, include the necessary information that each described at least two first sleep requests comprise in described at least one second sleep request, the quantity of the wherein said second sleep request is less than the quantity of the described first sleep request; Coding unit, described at least one the second sleep request that is used to encode generates described at least one the second sleep request through coding; Transmission unit is used in described described at least one the second sleep request through coding of repeated link transmission;
The base station comprises decoding unit, is used for described described at least one second sleep request through coding is decoded, and obtains the necessary information that the described first sleep request comprises.
Preferably, above-mentioned system, described relay station also comprises selected cell, is used for selecting to determine described predetermined time interval according to the terminal number of initiating the first sleep request and signaling consumption.
Preferably, above-mentioned system, described relay station also comprises: regulon, be used for: be less than predetermined thresholding if initiate the terminal number of the first sleep request, then prolong described predetermined time interval, if the terminal number of initiating the first sleep request above predetermined thresholding, then shortens described predetermined time interval or increases the number of the described second sleep request.
To achieve these goals, the present invention also provides a kind of relay station of handling terminal dormancy request in the junction network, comprise: receiving element, be used for receiving at least two first sleep requests, described at least two first sleep requests are from least two terminals, each described first sleep request package contains necessary information, and described necessary information is the flesh and blood that the described first sleep request will transmit; Described flesh and blood comprises the sleep pattern parameter of the terminal of initiating this first sleep request at least; Processing unit, be used for described at least two first sleep requests are handled, generate at least one second sleep request, include the necessary information that each described at least two first sleep requests comprise in described at least one second sleep request, the quantity of the wherein said second sleep request is less than the quantity of the described first sleep request; Coding unit, described at least one the second sleep request that is used to encode generates described at least one the second sleep request through coding; Transmission unit is used in described described at least one the second sleep request through coding of repeated link transmission.
Preferably, above-mentioned relay station, described relay station also comprises: regulon, be less than predetermined thresholding if be used for the terminal number of the first sleep request of initiating, then prolong described predetermined time interval, if the terminal number of initiating the first sleep request above predetermined thresholding, then shortens described predetermined time interval or increases the number of the described second sleep request.
The technique effect of the embodiment of the invention is:
1), reduced hop count, so can the more efficient use bandwidth resources under repeater mode because merge forwarding;
2) because merging work is finished by relay station fully, merging request can not changed the signaling mechanism of original terminal by the base station normal decoder, need not make amendment to other equipment of system, with sleep mechanism compatibility under the existing non-repeater mode.
Description of drawings
Fig. 1 is that prior art is handled schematic diagram at relay station to the forwarding of the sleep request of subscriber station initiation;
Fig. 2 is the flow chart of steps of embodiment of the invention method;
The sleep request that Fig. 3 initiates subscriber station for the embodiment of the invention merges the processing schematic diagram of forwarding;
The structure chart of the system that Fig. 4 provides for the embodiment of the invention;
The structure chart of the relay station that Fig. 5 provides for the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, specific embodiment is described in detail below in conjunction with accompanying drawing.
In the embodiment of the invention, sleep request (the sleep request of terminal initiation is the first sleep request) for a plurality of terminals initiations in the close time, after receiving, directly do not transmit relay station to the base station, be sent to the base station again but several request messages of sleeping that will receive earlier merge back (the sleep request of merging is the second sleep request), wait for base station approval affirmation sleep mode operation then.Through to the union operation of terminal dormancy request, the similar message of several in the repeated link can be replaced by one or less message.Because the sleep request form that different terminals sends is identical, only difference to some extent on parameter value, therefore merging is to realize easily.
Fig. 2 is the flow chart of steps of embodiment of the invention method, as figure, comprises the steps:
Step S201, relay station receive the sleep request that a plurality of terminals are initiated;
The necessary information of a plurality of sleep requests that step S202, relay station will be at the fixed time receive at interval merges to one or more merging requests;
Step S203, relay station sends to the base station with described merging request;
Step S204, decoding to described merging request in the base station, obtains the necessary information of described a plurality of sleep requests of described merging request merging.
Wherein, described necessary information is the flesh and blood that the described first sleep request will transmit, the header telegram end etc. one that just removes request message is removed remaining information behind the format information, and described flesh and blood comprises the sleep pattern parameter of the terminal of initiating this first sleep request at least.
Fig. 3 is the repeating process of improved relay station to being initiated by MS to sleep and ask in the embodiment of the invention.As shown in the figure, receive the sleep request message (MOB_SLP-REQ1 to MOB_SLP-REQ3 of a plurality of MS at short notice as RS, MOB_SLP-REQ4 to MOB_SLP-REQ5) after, with (RS_SLP-REQ1 RS_SLP-REQ2) is sent to MR-BS with new message again after its merging.New sleep request message (RS_SLP-REQ) after the merging comprises all parameters in original a plurality of sleep request message.MR-MS only needs once decoding can obtain the sleep request message of a plurality of MS after receiving this message after merging.
Table one is the form of former sleep message, and the parameter in the message only is described at single MS, and RS can transmit one by one to all MOB_SLP-REQ that receives in original mechanism; The new message of table two for defining in the embodiment of the invention, RS extracts the information that comprises in some the MOB_SLP-REQ message of receiving in the short time, only finishes the initiation of a plurality of MS to sleep mode operation by sending RS_SLP-REQ message to MR-BS.
Table one:
Table two:
In addition, in the method for the embodiment of the invention, relay station can be according to the number and the signaling consumption of initiating the sleep requesting subscriber station, and decision freely merges the forwarding cycle.Relay station can merge the sleep request message that receives in the time of the shortest in a sub-frame of uplink; In addition, also the sleep request message of receiving in the N frame can be merged.For example, if just accumulated a lot of sleep requests in a short period of time, then relay station can shorten the number that merges the forwarding cycle or increase the merging request, if the sleep request seldom, then relay station can prolong the merging forwarding cycle, merges so that accumulated abundant sleep request, certainly, it is unsuitable long to merge the forwarding cycle, otherwise can influence the timely processing to the sleep request.
The embodiment of the invention can a plurality of at short notice terminals of extensive use be initiated the scene of sleep pattern simultaneously, for example: in the environment of multi-person conference, the service conditions of a plurality of terminals may be similar simultaneously, and have only several frames the average time of a sleep operation to tens of frames, therefore a plurality of at short notice terminals possibility of initiating sleep pattern simultaneously is bigger, can be a typical application scene of the embodiment of the invention.
In addition, corresponding embodiment of the invention method also provides a kind of system that handles terminal dormancy request in the junction network, the structure chart of the system that Fig. 4 provides for the embodiment of the invention, and as figure, system comprises: relay station 410 and base station 420; Described relay station: receiving element, be used for receiving at least two first sleep requests, described at least two first sleep requests are from least two terminals, and each described first sleep request package contains necessary information, and described necessary information is the flesh and blood that the described first sleep request will transmit; Processing unit, be used for described at least two first sleep requests are handled, generate at least one second sleep request, include the necessary information that each described at least two first sleep requests comprise in described at least one second sleep request, the quantity of the wherein said second sleep request is less than the quantity of the described first sleep request; Coding unit, described at least one the second sleep request that is used to encode generates described at least one the second sleep request through coding; Transmission unit is used in described described at least one the second sleep request through coding of repeated link transmission.Described base station comprises: decoding unit, be used for described described at least one second sleep request through coding is decoded, and obtain the necessary information that the described first sleep request comprises.
The structure chart of the relay station that Fig. 5 provides for the embodiment of the invention.As figure, relay station can also comprise regulon 501, connect coding unit, be used for: be less than predetermined thresholding if initiate the terminal number of the first sleep request, then prolong described predetermined time interval, if the terminal number of initiating the first sleep request above predetermined thresholding, then shortens described predetermined time interval or increases the number of the described second sleep request.
As from the foregoing, adopt embodiment of the invention advantage afterwards to be:
1), reduced hop count, so can the more efficient use bandwidth resources under repeater mode because merge forwarding;
2) because merging work is finished by relay station fully, merging request can not changed the signaling mechanism of original terminal by the base station normal decoder, need not make amendment to other equipment of system, with sleep mechanism compatibility under the existing non-repeater mode.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the processing method of terminal dormancy request in the junction network is characterized in that, comprising:
Receive at least two first sleep requests, described at least two first sleep requests are from least two terminals, and each described first sleep request package contains necessary information, and described necessary information is the flesh and blood that the described first sleep request will transmit; Described flesh and blood comprises the sleep pattern parameter of the terminal of initiating this first sleep request at least;
Described at least two first sleep requests are handled, generate at least one second sleep request, include the necessary information that each described at least two first sleep requests comprise in described at least one second sleep request, the quantity of the wherein said second sleep request is less than the quantity of the described first sleep request;
Described at least one second sleep of encoding is asked, and generates through described at least one second sleep of coding to ask;
Described described at least one second sleep request of transmission in repeated link through coding;
Described described at least one second sleep request through coding is decoded, obtain the necessary information that the described first sleep request comprises.
2. method according to claim 1 is characterized in that, every preset time at interval, generates once described at least one second sleep request.
3. method according to claim 2 is characterized in that, the described second sleep request is included in the number of the terminal of initiating the first sleep request in the described predetermined time interval, and the pairing sleep pattern parameter of each terminal.
4. method according to claim 2 is characterized in that, selects to determine described predetermined time interval according to the terminal number of initiating the first sleep request and signaling consumption.
5. method according to claim 4, it is characterized in that, be less than predetermined thresholding if initiate the terminal number of the first sleep request, then prolong described predetermined time interval, if the terminal number of initiating the first sleep request above predetermined thresholding, then shortens described predetermined time interval or increases the number of the described second sleep request.
6. a system that handles terminal dormancy request in the junction network is characterized in that, comprising:
Relay station comprises:
Receiving element, be used for receiving at least two first sleep requests, described at least two first sleep requests are from least two terminals, and each described first sleep request package contains necessary information, and described necessary information is the flesh and blood that the described first sleep request will transmit; Described flesh and blood comprises the sleep pattern parameter of the terminal of initiating this first sleep request at least;
Processing unit, be used for described at least two first sleep requests are handled, generate at least one second sleep request, include the necessary information that each described at least two first sleep requests comprise in described at least one second sleep request, the quantity of the wherein said second sleep request is less than the quantity of the described first sleep request;
Coding unit, described at least one the second sleep request that is used to encode generates described at least one the second sleep request through coding;
Transmission unit is used in described described at least one the second sleep request through coding of repeated link transmission;
The base station comprises decoding unit, is used for described described at least one second sleep request through coding is decoded, and obtains the necessary information that the described first sleep request comprises.
7. system according to claim 6, it is characterized in that, every predetermined time interval, generate once described at least one second sleep request, described relay station also comprises selected cell, is used for selecting to determine described predetermined time interval according to the terminal number of initiating the first sleep request and signaling consumption.
8. system according to claim 7, it is characterized in that, described relay station also comprises: regulon, be less than predetermined thresholding if be used for the terminal number of the first sleep request of initiating, then prolong described predetermined time interval, if the terminal number of initiating the first sleep request above predetermined thresholding, then shortens described predetermined time interval or increases the number of the described second sleep request.
9. a relay station of handling terminal dormancy request in the junction network is characterized in that, comprising:
Receiving element, be used for receiving at least two first sleep requests, described at least two first sleep requests are from least two terminals, and each described first sleep request package contains necessary information, and described necessary information is the flesh and blood that the described first sleep request will transmit; Described flesh and blood comprises the sleep pattern parameter of the terminal of initiating this first sleep request at least;
Processing unit, be used for described at least two first sleep requests are handled, generate at least one second sleep request, include the necessary information that each described at least two first sleep requests comprise in described at least one second sleep request, the quantity of the wherein said second sleep request is less than the quantity of the described first sleep request;
Coding unit, described at least one the second sleep request that is used to encode generates described at least one the second sleep request through coding;
Transmission unit is used in described described at least one the second sleep request through coding of repeated link transmission.
10. relay station according to claim 9, it is characterized in that, every predetermined time interval, generate once described at least one second sleep request, described relay station also comprises: regulon, be less than predetermined thresholding if be used for the terminal number of the first sleep request of initiating, and then prolong described predetermined time interval, if the terminal number of initiating the first sleep request above predetermined thresholding, then shortens described predetermined time interval or increases the number of the described second sleep request.
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| CN101583158B (en) * | 2009-07-02 | 2012-07-11 | 杭州华三通信技术有限公司 | Control method for terminal access and control equipment |
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| CN1893717A (en) * | 2005-07-01 | 2007-01-10 | 华为技术有限公司 | Method for setting sleep mode in mobile wide-band wire-less accessing system |
| CN1893725A (en) * | 2005-07-06 | 2007-01-10 | 华为技术有限公司 | Method for regulating sleep group information in wireless access-in system |
| CN101047578A (en) * | 2006-04-26 | 2007-10-03 | 华为技术有限公司 | Control method and device for sleep mode in communication system |
| EP1845668A1 (en) * | 2006-04-11 | 2007-10-17 | Samsung Electronics Co., Ltd. | Method and apparatus for discontinuously receiving packet in a mobile communication system |
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| CN1893717A (en) * | 2005-07-01 | 2007-01-10 | 华为技术有限公司 | Method for setting sleep mode in mobile wide-band wire-less accessing system |
| CN1893725A (en) * | 2005-07-06 | 2007-01-10 | 华为技术有限公司 | Method for regulating sleep group information in wireless access-in system |
| EP1845668A1 (en) * | 2006-04-11 | 2007-10-17 | Samsung Electronics Co., Ltd. | Method and apparatus for discontinuously receiving packet in a mobile communication system |
| CN101047578A (en) * | 2006-04-26 | 2007-10-03 | 华为技术有限公司 | Control method and device for sleep mode in communication system |
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