CN101431790A - Control method and control device for terminal sleep in relay network - Google Patents
Control method and control device for terminal sleep in relay network Download PDFInfo
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- CN101431790A CN101431790A CNA2007101771228A CN200710177122A CN101431790A CN 101431790 A CN101431790 A CN 101431790A CN A2007101771228 A CNA2007101771228 A CN A2007101771228A CN 200710177122 A CN200710177122 A CN 200710177122A CN 101431790 A CN101431790 A CN 101431790A
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- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a control method for terminal sleep in a relay network and a control device thereof. The method comprises steps of: obtaining sleep demand information for representing a terminal with sleep demand in the relay network; generating and sending sleep entering state inform information to the terminal based on the sleep demand information; obtaining sleep control information aiming at the terminal; sending the sleep control information to the terminal for managing the terminal, making the terminal enter a second sleep state or escape a first sleep state. The invention enables the terminal to be in a low power consuming sleep state in waiting reciprocal process of the relay and the base station, which saves terminal energy more efficiently under the relay mode and is compatible with a sleep mechanism of a non-relay mode without changing standards.
Description
Technical field
The present invention relates to the communication field control technology, particularly relate to the control method and the control device of terminal sleep in a kind of junction network.
Background technology
Along with development of wireless communication devices, people are also more and more stronger to the demand of broadband wireless access service, and standards such as IEEE802.16 thus have been born.The IEEE802.16 series standard has obtained application in the part countries and regions more and more near industrialization.
The same with other mobile communication system, in order to prolong the cruising time of terminal, IEEE802.16 system support terminal sleep pattern.That is, transceiver module enters lower powered sleep pattern so that save electric weight when terminal does not have business.In the IEEE16 standard code, no matter be that the approval that finally all will obtain the base station could be carried out by terminal initiation or the sleep request of being initiated by the base station.Its objective is in order to guarantee that the base station can accurately know the state of terminal.
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, relay station can effectively increase the sub-district area coverage and improve signal transmission quality.But owing to exist in network under the situation of relaying, signaling will be transmitted through relay station, and this makes that the signaling transmission cycle is elongated.In base station and terminal switch sleep management information, terminal can be wasted mutual that a lot of times wait for the arrival of news, and the energy of interior terminal does not obtain saving during this period of time.If but change the sleep management process for this reason, just can't with non-relay network schemer compatibility.
Fig. 1 is the schematic diagram of the sleep operation that terminal is initiated under repeater mode in the prior art, as figure, the process of sleep operation comprises: when MS (Mobile Station terminal) wishes to enter sleep state, MS sends MOB_SLP-REQ (the Mobile Sleep Request request of sleeping) to RS (Relay Station relay station), and RS transmits MOB_SLP-REQ to MR-BS (Multihop Relay Base Station multi-hop relay base station).MR-BS send MOB_SLP-RSP (answers of Mobile Sleep Response terminal sleep) with the sleep request of replying MS before, also will with RS carry out MR_SLP-INFO (Multihop Relay Sleep Information multi-hop relay sleep information) and MR_Generic-ACK (the general acknowledge message of Multihop Relay Generic Acknowledgement multi-hop relay) alternately.Wherein MR_SLP-INFO message is used for notifying RS under it with the sleep parameters of relevant MS, and RS sends MR_Generic-ACK to confirm to MR-BS after receiving MR_SLP-INFO.After MR-BS receives affirmation, send MOB_SLP-RSP message, and transmit MOB_SLP-RSP message to relevant MS by RS to RS.MS is after receiving MOB_SLP-RSP, according to MOB_SLP-RSP message content decision whether beginning to enter sleep.
In the process that realizes embodiment of the invention technical scheme, the inventor is by after conscientiously studying above-mentioned prior art, and there are the following problems at least to find prior art:
Owing to send the sleep request from MS, to finally receiving feedback, at least will be through the time of 5 frames (wherein MR_SLP-INFO and MR_Generic-ACK message can be finished in same frame), and actually, because channel competition, the time may be longer, but during this period of time, because MS can not enter sleep state, therefore caused the waste of energy.
Summary of the invention
The control method and the control device that the purpose of this invention is to provide terminal sleep in a kind of junction network solve under the junction network pattern because of waiting for the technical problem of the terminal energy unnecessary consumption that the relaying forward signal produces.
To achieve these goals, the invention provides the control method of terminal sleep in a kind of junction network, wherein, comprising: obtain sleep need information, described sleep need information is used for representing that the terminal in the described junction network has sleep need; Based on described sleep need information, generate and send and enter the sleep state announcement information to described terminal, described sleep state announcement information makes described terminal enter first sleep state in order to manage described terminal; Acquisition is at the sleep control information of described terminal, and described sleep control information comes from base station relevant with described terminal in the described junction network; Described sleep control information is sent to described terminal, and described sleep control information is in order to manage described terminal, makes described terminal enter second sleep state or withdraws from described first sleep state.
Preferably, above-mentioned method, wherein, described acquisition sleep need information specifically comprises the steps: to detect terminal does not have the up-downgoing data in the time of predetermined length; And/or, receive the sleep need information that comes from described terminal.
Preferably, above-mentioned method wherein, before the sleep control information of described acquisition at described terminal, also comprises: calculate the expectation moment that described sleep control information is returned in described base station.
Preferably, above-mentioned method wherein, describedly sends to described terminal with described sleep control information and is specially: in described expectation constantly, described sleep control information sent to described terminal.
To achieve these goals, the present invention also provides the control device of terminal sleep in a kind of junction network, wherein, comprise: the information acquisition unit, be used for, obtain sleep need information, described sleep need information is used for representing that the terminal in the described junction network has sleep need; Acquisition is at the sleep control information of described terminal, and described sleep control information comes from base station relevant with described terminal in the described junction network; Information transmitting unit is used for, and sends based on what described sleep need information produced and enters the sleep state announcement information to described terminal, and described sleep state announcement information makes described terminal enter first sleep state in order to manage described terminal; Send described sleep control information to described terminal, described sleep control information is in order to manage described terminal, makes described terminal enter second sleep state or withdraws from described first sleep state.
Preferably, above-mentioned device, wherein, described information acquisition unit comprises: first obtains the unit, is used to obtain sleep need information, and described sleep need information is used for representing that the terminal in the described junction network has sleep need; Second obtains the unit, is used to obtain the sleep control information at described terminal, and described sleep control information comes from base station relevant with described terminal in the described junction network.
Preferably, above-mentioned device, wherein, it can be same unit or two different unit that the described first acquisition unit and described second obtains the unit.
Preferably, above-mentioned device, wherein, described information transmitting unit comprises: first transmitting element, be connected with the described first acquisition unit, be used to send based on what described sleep need information produced and enter the sleep state announcement information to described terminal, described sleep state announcement information makes described terminal enter first sleep state in order to manage described terminal; Second transmitting element obtains the unit and is connected with described second, is used to send described sleep control information to described terminal, and described sleep control information is in order to manage described terminal, makes described terminal enter second sleep state or withdraws from described first sleep state.
Preferably, above-mentioned device, wherein, described first obtains the unit also comprises: whether detecting unit, being used to detect described terminal has the up-downgoing data in the time of predetermined length.
Preferably, above-mentioned device, wherein, described information acquisition unit also comprises: estimation module is used to calculate the expectation moment that described sleep control information is returned in described base station.
Technical scheme in the embodiment of the invention has following technique effect at least:
1) because before final sleep control information is returned in the base station, relay station notice terminal earlier enters sleep state, make terminal can in the reciprocal process of waiting for relay station and base station, be in the sleep state of low power consuming, can more effective saving terminal energy under repeater mode;
2) with existing non-repeater mode under the sleep mechanism compatibility, need not change standard.
Description of drawings
Fig. 1 is the terminal of prior art is initiated sleep operation under repeater mode a schematic diagram;
Fig. 2 is the flow chart of steps of the control method embodiment of terminal sleep in the present invention's one junction network;
Fig. 3 initiates the schematic diagram of control method one embodiment of sleep operation under repeater mode for terminal among the present invention;
Fig. 4 is for being initiated the schematic diagram of control method one embodiment of sleep operation by relaying among the present invention;
Fig. 5 is the structural representation of device embodiment provided by the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
Fig. 2 is the flow chart of steps of the control method embodiment of terminal sleep in the present invention's one junction network, comprising:
Step S201 produces in terminal under the condition of sleep need, and relay station notifies described terminal to enter sleep state earlier;
Step S202, information interaction is carried out in relay station and base station;
Step S203, final sleep control information is returned to relay station in the base station;
Step S204, relay station is transmitted described final sleep control information to described terminal;
Step S205, described terminal enters new sleep state or withdraws from sleep state according to described final sleep control information.
Among the present invention, sleep need can be the sleep request that terminal is initiated, and for the sleep request of being initiated by terminal, transmits to the base station after relay station is received.When waiting for that message is replied in the base station, the notice terminal enters pre-sleep state (Pre-sleep).Pre-sleep state is described first dormant a kind of embodiment, and is identical with common sleep state, just owing to also not obtaining the official reply of base station, so be called pre-sleep state.Relay station also can be estimated the used time of base station answer.After base station feedback was finally slept control information, the relay station control information of will finally sleeping again was transmitted to terminal.Terminal is according to the final sleep control information of base station feedback, and decision formally enters common sleep state or ends sleep, and wherein common sleep state is described second dormant a kind of embodiment.
In the present invention, sleep need can be that terminal does not have the up-downgoing data in a period of time, if relay station finds that in a period of time certain terminal does not have the up-downgoing data, then initiatively replace terminal to send the sleep request to the base station, send the first sleep message to terminal simultaneously, make terminal enter first sleep state, thereby reduce the terminal energy consumption.
Fig. 3 initiates the schematic diagram of control method one embodiment of sleep operation under repeater mode for terminal among the present invention.When RS receives the MOB_SLP-RSP of MS, when RS and MR-BS begin to carry out information interaction, RS sends a RS_SLP-RSP (message is replied in Relay Station Sleep Response relay station sleep request) and gives MS, make MS enter pre-sleep state 301, information interactive process is: MR-BS and RS carry out the mutual of MR_SLP-INFO and MR_Generic-ACK message.To the be correlated with sleep parameters MR_SLP-INFO of MS of MR-BS sends to RS, and RS sends MR_Generic-ACK to confirm to MR-BS after receiving MR_SLP-INFO.Receive the MOB_SLP-RSP of MR-BS feedback as RS after, be transmitted to MS again, MS formally enters common sleep state 302 according to this message.MS is receiving the described common sleep state of SDU (Service Data Unit service data unit) back end, and MS sends BWRequest (Bandwidth Request bandwidth request) and gives RS, and RS is transmitted to MR-BS with BW Request.
Wherein because the RS of prior art can dope the feedback time of advent of MR-BS more accurately, therefore the sleep state of MS can be set according to feedback the time of advent, the time of the pre-sleep of regulation MS, make it when MOB-SLP-RSP message arrives, recover normal accepting state, thereby described terminal when arriving, described feedback can normally receive MOB-SLP-RSP message.
Fig. 4 replaces MS or MR-BS to initiate sleep for initiated the schematic diagram of control method one embodiment of sleep operation among the present invention by relaying by RS.RS detects the data that MS does not have up-downgoing in a period of time, just directly send RS_SLP-RSP message to MS, make it enter Pre-sleep state 401, send RS_SLP-REQ (Relay Station Sleep Request relay station sleep request message) to MR-BS simultaneously.Afterwards, MR-BS and RS carry out the mutual of MR_SLP-INFO and MR_Generic-ACK message.To the be correlated with sleep parameters MR_SLP-INFO of MS of MR-BS sends to RS, and RS sends MR_Generic-ACK to confirm to MR-BS after receiving MR_SLP-INFO.In the process of waiting for the MR-BS feedback, the energy of MS has obtained saving.Receive the MOB_SLP-RSP of MR-BS feedback as RS after, be transmitted to MS, MS formally enters common sleep state 402 or recovers normal condition according to this message.MS finishes common sleep state after receiving SDU, MS sends BW Request to RS, and RS is transmitted to MR-BS with BW Request.
In addition, corresponding the inventive method, the present invention also provides the control device of terminal sleep in a kind of junction network, and Fig. 5 is the structural representation of device embodiment provided by the invention, and as figure, control device 500 comprises:
Described information acquisition unit 510 comprises: first obtains unit 511, is used to obtain sleep need information, and described sleep need information is used for representing that the terminal in the described junction network has sleep need; Second obtains unit 512, is used to obtain the sleep control information at described terminal, and described sleep control information comes from base station relevant with described terminal in the described junction network.It can be same unit or two different unit that the described first acquisition unit 511 and described second obtains unit 512.
Described information transmitting unit 520 comprises: first transmitting element 521, be connected with the described first acquisition unit 511, be used to send based on what described sleep need information produced and enter the sleep state announcement information to described terminal, described sleep state announcement information makes described terminal enter first sleep state in order to manage described terminal; Second transmitting element 522, be connected with the described second acquisition unit 512, be used to send described sleep control information to described terminal, described sleep control information is in order to manage described terminal, makes described terminal enter second sleep state or withdraws from described first sleep state.
Also comprise: estimation module 530, be used for: calculate the expectation moment that described final sleep control information is returned in described base station, and, make described terminal constantly can normally receive described sleep control information in described expectation according to described first sleep state of estimating constantly to be provided with described terminal.Estimation module also can be arranged in the described information acquisition unit.
As from the foregoing, embodiments of the invention have following advantage:
1) the present invention is before final sleep control information is returned in the base station, relay station notice terminal earlier enters sleep state, make terminal can in the reciprocal process of waiting for relay station and base station, be in the sleep state of low power consuming, can more effective saving terminal energy under repeater mode;
2) because first sleep fully by relay station control, with other device independents, thus do not having not influence other equipment under the pattern of relaying naturally yet, thereby can with the sleep mechanism compatibility that has now under the non-repeater mode, need not change standard.
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 control method of terminal sleep in the junction network is characterized in that, comprising:
Obtain sleep need information, described sleep need information is used for representing that the terminal in the described junction network has sleep need;
Based on described sleep need information, generate and send and enter the sleep state announcement information to described terminal, described sleep state announcement information makes described terminal enter first sleep state in order to manage described terminal;
Acquisition is at the sleep control information of described terminal, and described sleep control information comes from base station relevant with described terminal in the described junction network;
Described sleep control information is sent to described terminal, and described sleep control information is in order to manage described terminal, makes described terminal enter second sleep state or withdraws from described first sleep state.
2. method according to claim 1 is characterized in that, described acquisition sleep need information specifically comprises the steps:
Detect terminal and in the time of predetermined length, do not have the up-downgoing data; And/or,
Reception comes from the sleep need information of described terminal.
3. according to any described method in the claim 1 to 2, it is characterized in that, before the sleep control information of described acquisition, also comprise at described terminal:
Calculate described base station and return the expectation moment of described sleep control information.
4. method according to claim 3 is characterized in that, describedly described sleep control information is sent to described terminal is specially: in described expectation constantly, described sleep control information is sent to described terminal.
5. the control device of terminal sleep in the junction network is characterized in that, comprising:
The information acquisition unit is used for,
Obtain sleep need information, described sleep need information is used for representing that the terminal in the described junction network has sleep need;
Acquisition is at the sleep control information of described terminal, and described sleep control information comes from base station relevant with described terminal in the described junction network;
Information transmitting unit is used for,
Transmission enters the sleep state announcement information to described terminal based on what described sleep need information produced, and described sleep state announcement information makes described terminal enter first sleep state in order to manage described terminal;
Send described sleep control information to described terminal, described sleep control information is in order to manage described terminal, makes described terminal enter second sleep state or withdraws from described first sleep state.
6. device according to claim 5 is characterized in that, described information acquisition unit comprises:
First obtains the unit, is used to obtain sleep need information, and described sleep need information is used for representing that the terminal in the described junction network has sleep need;
Second obtains the unit, is used to obtain the sleep control information at described terminal, and described sleep control information comes from base station relevant with described terminal in the described junction network.
7. device according to claim 6 is characterized in that, it can be same unit or two different unit that the described first acquisition unit and described second obtains the unit.
8. device according to claim 5 is characterized in that, described information transmitting unit comprises:
First transmitting element, be connected with the described first acquisition unit, be used to send based on what described sleep need information produced and enter the sleep state announcement information to described terminal, described sleep state announcement information makes described terminal enter first sleep state in order to manage described terminal;
Second transmitting element obtains the unit and is connected with described second, is used to send described sleep control information to described terminal, and described sleep control information is in order to manage described terminal, makes described terminal enter second sleep state or withdraws from described first sleep state.
9. device according to claim 7 is characterized in that, described first obtains the unit also comprises: whether detecting unit, being used to detect described terminal has the up-downgoing data in the time of predetermined length.
10. device according to claim 7 is characterized in that, described information acquisition unit also comprises:
Estimation module is used to calculate the expectation moment that described sleep control information is returned in described base station.
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| CN102484858A (en) * | 2009-08-31 | 2012-05-30 | 索尼计算机娱乐公司 | Wireless communication terminal, method for controlling same, and information storing medium |
| CN103155693A (en) * | 2010-10-08 | 2013-06-12 | 日本电气株式会社 | Improved energy saving mode for a relay node in a wireless communication system |
| CN103155654A (en) * | 2010-10-12 | 2013-06-12 | 瑞典爱立信有限公司 | Micro sleep mode control for a receiver |
| US9215658B2 (en) | 2009-02-13 | 2015-12-15 | Alcatel Lucent | Method and device for adjusting sleep mode of mobile station |
| CN106341877A (en) * | 2016-09-29 | 2017-01-18 | 青岛海信移动通信技术股份有限公司 | Relay device state control method, relay device and communication system |
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| CN102484858A (en) * | 2009-08-31 | 2012-05-30 | 索尼计算机娱乐公司 | Wireless communication terminal, method for controlling same, and information storing medium |
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| WO2018027811A1 (en) * | 2016-08-11 | 2018-02-15 | 华为技术有限公司 | Method, device, and equipment for communication |
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| CN106341877A (en) * | 2016-09-29 | 2017-01-18 | 青岛海信移动通信技术股份有限公司 | Relay device state control method, relay device and communication system |
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