CN101719786A - Synchronous method, synchronous terminal and communication system - Google Patents
Synchronous method, synchronous terminal and communication system Download PDFInfo
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- CN101719786A CN101719786A CN200810216685A CN200810216685A CN101719786A CN 101719786 A CN101719786 A CN 101719786A CN 200810216685 A CN200810216685 A CN 200810216685A CN 200810216685 A CN200810216685 A CN 200810216685A CN 101719786 A CN101719786 A CN 101719786A
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Abstract
The embodiment of the invention discloses a synchronous method, a synchronous terminal and a communication system. The synchronous method comprises the steps of: synchronizing with corresponding second carrier waves by special synchronous information transmitted by the terminal through a base station and determining to add or delete at least one second carrier wave by the terminal and the base station according to a scanning result of the second carrier waves. The synchronous terminal comprises a receiving module, synchronous modules, a scanning module and a transmitting module. A synchronous system comprises the terminal and the base station; the special synchronous information is used for finishing synchronization; and the second carrier waves are scanned for determining to add or delete at least one second carrier wave. The invention effectively solves the problem of collision with other synchronous information in a synchronous process, enhances synchronous reliability, and reduces synchronous time.
Description
Technical field
The present invention relates to the communication technology, be specifically related to a kind of synchronous method, terminal and communication system.
Background technology
Full name of WiMAX is micro-wave access global inter communication (Worldwide Interoperability forMicrowave Access), be called 802.16 wireless MANs again, it is a kind of broadband wireless connectivity scenario that " last mile " is provided for enterprise and domestic consumer, can realize high coverage (can cover 25～30 miles scope) in data communication field, this technology is based on the serial wideband wireless standard of IEEE 802.16 (Institute of Electricaland Electronics Engineers Institute of Electrical and Electronics Engineers).
WiMAX adopts the air protocol of 802.16 standard series as it, and wherein 802.16e belongs to mobile broadband wireless and inserts aerial standard.WiMAX has proposed new enhancement techniques 802.16m on the basis of 802.16e.
In the common recognition of existing 802.16m standard: in upgradeable extensible multicarrier system, whole bandwidth is divided into a plurality of carrier waves, and each MS (Mobile Station travelling carriage) has a primarycarrier (main carrier) but a plurality of secondary carrier (second carrier wave) can be arranged.MS (travelling carriage) and BS (Base Station base station) can be on primary carrier the control information of interaction data and complete PHY (Physical Layer physical layer), MAC (Medium Access Control Layer Media Access Control).MS carries out the function relevant with control on primary carrier, for example network.Secondary carrier is mainly used to transmit data, also can export the control information of some BS regulations.
The available bandwidth resources of current communication system are increasing, but the demodulation ability of terminal is different, and the bandwidth of expensive more terminal demodulation simultaneously is big more, otherwise the bandwidth of terminal demodulation simultaneously more cheaply is just more little.In multicarrier system, when terminal has the ability of demodulation simultaneously on all carrier waves of system, system can give its scheduling resource simultaneously on all carrier waves, therefore can provide very high peak rate, satisfies some requirements to the exigent business of peak rate.Those do not have a part of bandwidth of ability terminal demodulating system of demodulation simultaneously on all carrier waves of system.
The bandwidth of described multicarrier system be can upgrade or can be divided.Each travelling carriage has a main carrier, but a plurality of second carrier waves can be arranged.
The inventor finds: in the prior art not about under the situation of multicarrier how with the synchronous solution of the second carrier wave secondary carrier of the support of MS.
Summary of the invention
The embodiment of the invention provides a kind of synchronous method, base station and communication system, and terminal is carried out with second carrier wave synchronously.
The synchronous method that the embodiment of the invention provides specifically comprises:
Terminal MS receives the proprietary synchronizing information from second carrier wave of base station BS;
Carry out synchronously according to described proprietary synchronizing information and corresponding second carrier wave.
The terminal that the embodiment of the invention provides specifically comprises:
Receiver module is used to receive the proprietary synchronizing information from second carrier wave of base station BS;
Synchronization module, the proprietary synchronizing information and corresponding second carrier wave that are used for second carrier wave that receives according to described receiver module carry out synchronously.
The communication system that the embodiment of the invention provides, this communication system comprises base station and terminal, wherein,
Described base station is used for sending to described terminal the proprietary synchronizing information of second carrier wave;
Described terminal is used to receive the proprietary synchronizing information from second carrier wave of base station; Carry out synchronously according to described proprietary synchronizing information and corresponding second carrier wave.
The embodiment of the invention utilizes proprietary synchronizing information to carry out synchronously, can avoid conflicting with other synchronizing informations, improves synchronous reliability and reduces lock in time.
Description of drawings
The flow chart of the synchronous method that Fig. 1 provides for a kind of embodiment of the invention;
After networking, the MS that Fig. 2 provides for the embodiment of the invention carries out synchronous embodiment flow chart with the secondary carrier that supports;
Fig. 3 dynamically increases secondary carrier embodiment flow chart for the BS that the embodiment of the invention provides according to service conditions;
Fig. 4 dynamically increases secondary carrier embodiment flow chart for the MS that the embodiment of the invention provides according to service conditions;
The BS that Fig. 5 provides for the embodiment of the invention initiates secondary carrier deletion flow implementation example flow chart;
The MS that Fig. 6 provides for the embodiment of the invention initiates secondary carrier deletion flow implementation example flow chart;
Multimode terminal that Fig. 7 provides for the embodiment of the invention and BS temporarily do not use certain carrier wave according to disturbed condition embodiment flow chart;
The structural representation of a kind of MS that Fig. 8 provides for the embodiment of the invention;
The schematic diagram of the communication system that Fig. 9 provides for a kind of embodiment of the invention.
Embodiment
Be elaborated below in conjunction with drawings and the specific embodiments.
Be understandable that the embodiment of the invention goes for IEEE 802.16m standard, also be applicable to the standard that other adopts multi-carrier mode.Be that example is not introduced the present invention is construed as limiting with WIMAX or WiFi (Wireless Fidelity Wireless Fidelity) below.Synchronization action among the embodiment comprises but not only comprises carrier synchronization, is used to realize making a start and the carrier synchronization of receiving end, comprises the frequency and the phase place of carrier wave; Sign synchronization, be used to realize that start-stop that receiving terminal determines each OFDM (Orthogonal FrequencyDivision Multiplex OFDM) symbol constantly, promptly determine FFT (FastFourier Transform, fast fourier transform) window position accurately; Sample value is synchronous, is used to realize determine the optimal sampling position of sampling point, comprises sample value regularly synchronously and the sample value Frequency Synchronization, and the former is in order to make receiving terminal determine the sample position of each sample value, the latter then be for the sample frequency and the transmitting terminal of assurance receiving terminal synchronous; Frame synchronization, it is relevant with pilot tone to be used for realization, obtains correlation peak, obtains the starting point of frame, reaches frame synchronization.Every in the embodiment of the invention spirit and principle under use this type of synchronization action all within the protection range in the embodiment of the invention.
In embodiments of the present invention keeping the synchronous second carrier wave secondary carrier except that main carrier to call secondary carrier set (the second carrier wave collection) with MS.
Embodiment 1 and Fig. 1 have described a kind of synchronous method that the embodiment of the invention provides.In embodiments of the present invention, concrete grammar is as follows:
11. terminal MS receives the proprietary synchronizing information from second carrier wave of base station BS.
In the embodiment of the invention, MS and BS are after finishing networking flow process mutual on the main carrier, base station BS can send the proprietary synchronizing information of second carrier wave to described MS, described proprietary synchronizing information can comprise carrier index (carrier index) and proprietary synchronous code (dedicated code), preferably, described proprietary synchronizing information also can further comprise proprietary transmission opportunity (transmission opportunity).
Preferably, described BS can send to described MS with the proprietary synchronizing information of described second carrier wave by main carrier.As can be on the main carrier by the message that shows or in other message proprietary synchronizing information as described in the carrying.
12. carry out synchronously according to described proprietary synchronizing information and corresponding second carrier wave.
In the embodiment of the invention, described terminal MS is received after the proprietary synchronizing information of second carrier wave that BS sends, can on second carrier wave of determining according to described carrier index, send described proprietary synchronous code to described BS, then described BS is MS distribution ascending resource after receiving the proprietary synchronous code that sends from described MS, and send control signaling to described MS, inform the ascending resource that distributes into described MS in the described control command.Then described terminal MS receives from sending distance measurement request RNG-REQ to described BS after the control signaling of described BS on described ascending resource; Described BS receives that sending range finding to MS behind the RNG-REQ that MS sends replys RNG-RSP; Described MS receives and replys RNG-RSP from the range finding of described BS, carries out synchronously according to indication among the described RNG-RSP of stating and described second carrier wave.Preferably, if also comprise proprietary transmission opportunity in the described proprietary synchronizing information, then described MS can be on the corresponding described proprietary transmission opportunity of second carrier wave of determining according to described carrier index to described BS send described proprietary synchronous code finish with described second carrier wave synchronously.
Like this, provide scheme by the embodiment of the invention, terminal can utilize the proprietary synchronizing information that receives from the base station with corresponding second carrier synchronization, after carrying out synchronously with second carrier wave, BS can be according to service conditions, particularly the business of certain carrier wave is dispatched to carrying out on the synchronous secondary carrier of other to the partial service of described MS more for a long time; BS and MS dynamically manage second carrier wave can save the maintenance costs of keeping with second carrier synchronization, reduces and disturbs and the raising user communication quality.
Embodiment 2 and Fig. 2 have described and have carried out synchronous implementing procedure with the secondary carrier that is supported after MS networks.Execute in the example MS at this and keep with the described secondary carrier that supports and carry out synchronously, can be according to the variation of traffic carrying capacity and dynamically adjust secondary carrier set (the second carrier wave collection).The realization flow of this embodiment is as follows:
21.MS and BS finishes the mutual of networking flow process on the main carrier primary of described base station carrier.
As, in the embodiment of the invention, this networking flow process can comprise:
Can carry out network after the MS start earlier and find and selection course, comprise the selection network, obtain channel parameter and MAC is synchronous, basic capability negotiating etc.;
Can finish mandate to MS, authentication (identity and device authentication) and charge by EAP (Extensible Authentication Protocol Extensible Authentication Protocol) process;
Can pass through registration process, allow MS to enter network;
Further can set up ISF (initial service flow initial service flow) and DP (Data Path data channel), MS uses ISF to transmit the control business, uses signaling as IP (Internet Protocol Internet protocol) configuration management and IP client.
In the embodiment of the invention, except above-mentioned networking flow process, described MS and BS also can finish networking alternately by other networkings, do not repeat them here.
22.BS the proprietary synchronizing information of the second carrier wave secondary carrier that MS supported is sent to described MS, as MS as described in the proprietary synchronizing information of the second carrier wave RF2 and the second carrier wave RF3 can being sent to.
In the embodiment of the invention, described proprietary synchronizing information can be on described main carrier primary carrier by the message that shows or in other message the described proprietary synchronizing information of carrying and send to MS, here, can be in described message, to carry described proprietary synchronizing information in the mode of TLV (type/length/value type).Further, described proprietary synchronizing information can comprise: carrier index carrier index and proprietary synchronous code dedicated code, and preferred, further also can comprise proprietary transmission opportunity transmission opportunity.Wherein, described carrier index carrier index is numbered the described second carrier wave secondary carrier, is used for the second different carrier waves is discerned.Described proprietary transmission opportunity transmission opportunity is the chance that described BS gives the proprietary synchronous code of transmission of described MS.Described proprietary synchronous code dedicated code is used to identify the MS and the described second carrier wave secondary carrier that obtain proprietary synchronous motor meeting to have the proprietary synchronous power of carrying out.
23. described MS utilizes proprietary synchronizing information and the described second carrier wave RF2 of the described second carrier wave RF2 that obtains to carry out synchronously.
This synchronizing process specifically can comprise:
After a.MS receives proprietary synchronizing information from BS, can on second carrier wave of determining according to described carrier index, send described proprietary synchronous code to described BS, preferably, if also comprise proprietary transmission opportunity in the proprietary synchronizing information, then described MS can send described proprietary synchronous code to described BS on the corresponding described proprietary transmission opportunity of second carrier wave of determining according to described carrier index.
B. described BS responds action to this proprietary synchronous code after receiving the proprietary synchronous code of MS transmission, as distributing ascending resource to MS, comprises and distributes the dedicated uplink control channel, sends control signaling then and informs the ascending resource that MS has distributed.
C.MS can send distance measurement request RNG-REQ (Ranging Request) message to BS after receiving described control signaling on this ascending resource.
D.BS responds described RNG-REQ message, and transmission is replied RNG-RSP (Ranging Response) message about the range finding of the described second carrier wave RF2.
E.MS adjusts self synchronization action with respect to frequency shift (FS), time migration and the power excursion etc. of the second carrier wave RF2 according to the indication among the described RNG-RSP.
Like this, described MS just finished with the described second carrier wave RF2 synchronously.
24. described MS just can carry out data interaction with described BS on RF2 further.
25.MS utilize proprietary synchronizing information and the RF3 of the second carrier wave RF3 that obtains to carry out synchronously.
MS utilizes proprietary synchronous code and the BS of the RF3 of described acquisition to carry out alternately, and is last and RF3 is synchronous.The described step of concrete steps such as step 23 is carried out.
26. described MS just can carry out data interaction with described BS on RF3 further.
In the embodiment of the invention, the proprietary synchronizing information that MS described in the above-mentioned steps 23,25 utilizes second carrier wave carries out not having between step when synchronous the branch of inevitable time order and function order with corresponding second carrier wave, described MS can be simultaneously and a plurality of second carrier synchronization, and the mode that also can be based on competition is come respectively and each second carrier synchronization.
In the present embodiment, when MS after networking on the main carrier, BS can send to MS to the proprietary synchronizing information of second carrier wave of described MS support, MS can use described proprietary synchronizing information with corresponding second carrier synchronization, described like this BS can be according to service conditions, overcrowding as channel, MS is dispatched on the second carrier wave secondary carrier, thereby raising communication quality, further, can avoid synchronously conflicting by utilizing proprietary synchronous code to carry out, improve synchronous reliability and reduce lock in time with other synchronizing informations.
Preferably, be provided with a timer in BS and MS, make that proprietary synchronizing information is effective in a period of time in step 23 and 25, this section can be determined by described timer effective time.Described proprietary synchronizing information can comprise also whether an effective sign is used to identify described proprietary synchronizing information current effective.If MS does not receive in the time that described timer is determined or uses special-purpose synchronizing information to carry out synchronously, the synchronous code that is sent just lost efficacy, and MS need based on competitive way and other carrier carry out synchronously or request BS sends proprietary synchronizing information once more so.Described mode based on competition is meant that BS selects a MS will carry out the second synchronous carrier wave at random and MS carries out synchronously in its control flow.The internal resource that can avoid proprietary synchronizing information continuously effective to cause is like this wasted, and has saved the internal resource of BS, improves the overall work efficient of BS controller.
Embodiment 3 and Fig. 3 have described MS after primary carrier networking, and BS changes according to business or other situations can dynamically increase by the second carrier wave secondary carrier.The concrete realization flow of this embodiment is as follows:
31.MS and BS finishes the mutual of networking flow process on primary carrier.
32. when business changed or other situations are arranged, MS scanned its second carrier wave secondarycarrier that supports and reports scanning result to BS.
In the embodiment of the invention, described MS can be scanning one or more or whole in its second carrier wave of supporting, can be the received signal intensity indication RSSI (ReceivedSignal Strength Indicator) or year dried the making an uproar than CINR (Carrier-Interference Noise Ratio) or Y-PSNR PSNR etc. of described second carrier wave of scanning, also can be a plurality of or whole of scanning above-mentioned parameter.
Described MS reports described BS with scanning result.
In the embodiment of the invention, can be the scanning that when described MS finds professional variation or other situations are arranged, starts second carrier wave, also can be to find professionally to change or indicate when other situations are arranged described MS to start scanning, as having increased when traffic carrying capacity or the channel condition variation of current some of communicating by letter second carrier waves can not satisfy communication etc. to second carrier wave as described BS.
After 33. described BS receives the scanning result that reports from MS, select to increase at least one second new carrier wave according to described scanning result, the proprietary synchronizing information of second carrier wave of described selection is sent to described MS, and described MS can use described at least one second new carrier wave to come interaction data.
As, in the embodiment of the invention, described BS can be selective channel quality second carrier wave preferably from scanning result, BS increases by the second carrier wave RF2 to described secondary carrier set as described.
Described BS can by the message that shows or in other message new second carrier wave (as RF2) of the described increase of carrying proprietary synchronizing information and send to MS, as can be as described in carry in the mode of TLV (type) in the message as described in proprietary synchronizing information and send to MS.Described proprietary synchronizing information comprises: the dedicated code (proprietary synchronous code) of the carrier index (carrier index) of the described second carrier wave RF2 and the described second carrier wave RF2, preferably, can further include the transmission opportunity (proprietary transmission opportunity) of the described second carrier wave RF2.
34, described MS carries out according to proprietary synchronizing information and the RF2 of the described RF2 that receives synchronously.
MS utilizes proprietary synchronous code and the BS of the RF2 that obtains described in the step 33 to carry out alternately, and last and RF2 reaches synchronous.The concrete steps step 23 among the embodiment 2 are as described carried out.
35, MS and BS can be mutual at the enterprising line data of RF2.
Like this, when business changes or other situations scan second carrier wave of its support by MS need increase by second carrier wave time, described BS selects second carrier wave that increases and the proprietary synchronizing information of second carrier wave of described increase is sent to MS according to the result of scanning, described MS just can be according to described proprietary synchronizing information with corresponding second carrier synchronization, follow-up just can be on described second carrier wave interaction data, can improve telecommunication service quality like this.
Preferably, if need a plurality of secondary carrier of increase because traffic carrying capacity increases, BS also can send the proprietary synchronizing information of a plurality of secondary carrier in step 33.
Embodiment 4 and Fig. 4 have described MS after primary carrier networking, and described MS can increase secondary carrier according to the change dynamics ground request of traffic carrying capacity.The concrete realization flow of this embodiment is as follows:
41.MS and BS finishes the mutual of networking flow process on primary carrier.
42. when business changed or other situations are arranged, MS scanned its second carrier wave secondarycarrier that supports and reports scanning result to BS.
In the embodiment of the invention, described MS can be scanning one or more or whole in its second carrier wave of supporting, can be the received signal intensity indication RSSI (ReceivedSignal Strength Indicator) or year dried the making an uproar than CINR (Carrier-Interference Noise Ratio) or Y-PSNR PSNR etc. of described second carrier wave of scanning, also can be a plurality of or whole of scanning above-mentioned parameter.
Described MS reports described BS with scanning result.
In the embodiment of the invention, can be the scanning that when described MS finds professional variation or other situations are arranged, starts second carrier wave, also can be to find professionally to change or indicate when other situations are arranged described MS to start scanning, as having increased when traffic carrying capacity or the channel condition variation of current some of communicating by letter second carrier waves can not satisfy communication etc. to second carrier wave as described BS.
43.MS send a request message to BS, request increases by the second carrier wave secondary carrier, and this request can be the indication of explicit signaling message, bandwidth request or other implicit expression.
44.BS according to receive from the scan channel result of MS and the request message of described MS, select to increase at least one second new carrier wave, the proprietary synchronizing information of second carrier wave of described selection is sent to described MS, and described MS can use described at least one second new carrier wave to come interaction data.
As, in the embodiment of the invention, described BS can be selective channel quality second carrier wave preferably from scanning result, BS increases by the second carrier wave RF2 to described secondary carrier set as described.
Described BS can by the message that shows or in other message new second carrier wave (as RF2) of the described increase of carrying proprietary synchronizing information and send to MS, as can be as described in carry in the mode of TLV (type) in the message as described in proprietary synchronizing information and send to MS.Described proprietary synchronizing information comprises: the dedicated code (proprietary synchronous code) of the carrier index (carrier index) of the described second carrier wave RF2 and the described second carrier wave RF2, the transmission opportunity (proprietary transmission opportunity) that preferably, also can further comprise the described second carrier wave RF2.
45. described MS carries out according to proprietary synchronizing information and the RF2 of the described RF2 that receives synchronously.
MS utilizes proprietary synchronous code and the BS of the RF2 of the described acquisition of step to carry out alternately, and last and RF2 reaches synchronous.The concrete steps step 23 among the embodiment 2 are as described carried out.
46.MS and BS can be mutual at the enterprising line data of RF2.
Like this, when business changes or other situations scan second carrier wave of its support by MS need increase by second carrier wave time and scanning result is reported described BS, also need newly-increased second carrier wave to described BS request, described BS selects second carrier wave that increases and the proprietary synchronizing information of second carrier wave of described increase is sent to MS according to the request of scanning result and MS, described MS just can be according to described proprietary synchronizing information with corresponding second carrier synchronization, follow-up just can be on described second carrier wave interaction data, can improve telecommunication service quality like this.
Preferably, if traffic carrying capacity need increase a plurality of secondary carrier, MS also can send the quantity of the secondary carrier that needs increase in step 44, corresponding BS can send the proprietary synchronizing information of the secondary carrier of respective numbers.
Embodiment 5 and Fig. 5 have described MS after primary carrier networking, to finish the line data of going forward side by side synchronously mutual with some second carrier wave secondary carrier, and described some second carrier wave secondary carrier form secondary carrier set.When traffic carrying capacity reduced, BS can initiate to delete the flow process of secondary carrier.The concrete realization flow of this embodiment is as follows:
51～53. described MS and BS have carried out on primary carrier and some secondary carrier synchronously and interaction data.
54. when business changed or other situations are arranged, optionally, described MS scanned second carrier wave among the described secondary carrierset and scanning result is reported described BS.
In the embodiment of the invention, can be the scanning that when described MS finds professional variation or other situations are arranged, starts second carrier wave, also can be to find professionally to change or indicate when other situations are arranged described MS to start scanning, as when situations such as traffic carrying capacity minimizings to second carrier wave as described BS.
In the embodiment of the invention, described MS can be the one or more or whole of second carrier wave of scanning among the described secondary carrier set, can be the received signal intensity indication RSSI (Received Signal Strength Indicator) or year dried the making an uproar than CINR (Carrier-Interference Noise Ratio) or Y-PSNR PSNR etc. of described second carrier wave of scanning, also can be a plurality of or whole of scanning above-mentioned parameter.
Described MS sends to described BS with described scanning result.
55.BS need to select second carrier wave of deletion, send the indication of deletion second carrier wave to MS.
In the embodiment of the invention, when traffic carrying capacity reduced, described BS can be that (being each second carrier wave among the described secondary carrier set) selects one or more second carrier waves and deletion at random from second carrier wave that current MS is using; Preferably, if before MS have among couple secondary carrier set each second carrier wave scan and scanning result reported described BS, then described BS also can select wherein relatively poor one or more second carrier waves of channel quality according to described scanning result.
Described message can be the explicit signaling message or the indication of other implicit expression.As being to select the deletion second carrier wave RF3, in described message, can comprise the carrier index of the second carrier wave RF3.
56. described MS receives that the message of described deletion second carrier wave sends the deletion response later on to described BS.
Like this, described BS and MS just delete the second carrier wave RF3 from secondary carrier set.
57.MS and BS can be mutual at RF1 and the enterprising line data of RF2.
Like this, when business reduces, BS and MS can determine to reduce second carrier wave and service dispatching to other second carrier wave, the maintenance costs of saving second carrier wave.
Preferably, because traffic carrying capacity reduces or other situations BS also may be that decision-making needs a plurality of secondary carrier of deletion.Select when BS decision-making will be deleted a plurality of secondary carrier, the deletion message that sends to MS can comprise quantity and the call number of the secondary carrier that will delete.
The scheme of deletion second carrier wave that the embodiment of the invention provided can be independently above-mentioned synchronization scenario implement, promptly no matter whether be by the method for synchronous that the embodiment of the invention provides be terminal with second carrier synchronization, can use the scheme of deletion second carrier wave that the embodiment of the invention provides to delete the second synchronous carrier wave.
After embodiment 6 and shown in Figure 6, MS network from primary carrier, finish synchronously with some second carrier waves and carried out data interaction, described some secondary carrier have formed a secondary carrier set.When traffic carrying capacity reduced, MS can initiate to delete the flow process of secondarycarrier.The concrete realization flow of this embodiment is as follows:
61～63.MS and BS have carried out on primary carrier and some secondary carrier synchronously and interaction data.
64. when business changed or other situations are arranged, optionally, described MS scanned second carrier wave among the described secondarycarrier set.
In the embodiment of the invention, can be the scanning that when described MS finds professional variation or other situations are arranged, starts second carrier wave, also can be to find professionally to change or indicate when other situations are arranged described MS to start scanning, as when situations such as traffic carrying capacity minimizings to second carrier wave as described BS.
In the embodiment of the invention, described MS can be the one or more or whole of second carrier wave of scanning among the described secondary carrier set, can be the received signal intensity indication RSSI (Received Signal Strength Indicator) or year dried the making an uproar than CINR (Carrier-Interference Noise Ratio) or Y-PSNR PSNR etc. of described second carrier wave of scanning, also can be a plurality of or whole of scanning above-mentioned parameter.
Some or a plurality of second carrier waves of described MS decision deletion then send the indication of deletion second carrier wave to BS.
In the embodiment of the invention, described MS can be from current second carrier wave that is using (being each second carrier wave the described secondary carrier set) at random at least one second carrier wave of selection and the deletion; Preferably, in the embodiment of the invention,, then can also make a strategic decision according to the second second-rate carrier wave of scanning result selective channel with its deletion if described MS scans each second carrier wave among the described secondary carrier set before.
Described deletion second carrier wave indication can be the explicit signaling message or the indication of other implicit expression.As the MS decision-making deletion second carrier wave RF3, then delete the carrier index that can comprise the second carrier wave RF3 in the indication of second carrier wave at this.
66. described BS receives deletion second carrier wave indication from described MS, sends the deletion response to described MS.
67～68.MS and BS delete RF3 from secondary carrier set, MS and BS can be mutual at RF1 and the enterprising line data of RF2.
Preferably, need a plurality of secondary carrier of deletion because traffic carrying capacity reduces or other situations MS also may make a strategic decision.Then when MS decision will be deleted a plurality of secondary carrier, the deletion message that sends to BS can comprise quantity and the call number of the secondary carrier that will delete.
The scheme of deletion second carrier wave that the embodiment of the invention provided can be independently above-mentioned synchronization scenario implement, promptly no matter whether be by the method for synchronous that the embodiment of the invention provides be terminal with second carrier synchronization, can use the scheme of deletion second carrier wave that the embodiment of the invention provides to delete the second synchronous carrier wave.
Embodiment 7 and Fig. 7 have described multimode terminal and BS temporarily do not use certain carrier wave according to disturbed condition embodiment flow process.Is example with WiMAX equipment and WiFi coexistence at a multimode terminal.When the WiMAX of described multimode terminal equipment and WiFi equipment enter coexisting state, wherein, WiMAX equipment is worked on a plurality of carrier waves.When WiFi equipment sends data on carrier wave A, WiMAX equipment is produced bigger interference, cause WiMAX equipment in the time period of coexistence, can not use this carrier wave.Under described situation, MS and BS determine temporarily not use certain carrier wave according to disturbed condition, and its idiographic flow is as follows:
71. after the coexistence of multimode terminal decision access arrangement, multimode terminal reports the channel quality information of each carrier wave to give the WiMAX base station.Described channel quality information can comprise that CINR (carry the dried ratio of making an uproar) or PSNR (Y-PSNR) characterize the situation of signal phase mutual interference of the distinct device of channel.
72.WiMAX the base station is according to the disturbed condition on each carrier wave, described coexistence carrier wave A is not temporarily used in decision.The WiMAX base station sends response message to multimode terminal, notifies described multimode terminal temporarily not use described coexistence carrier wave A.
Need finish coexisting state 73. work as multimode terminal, multimode terminal sends solicited message to the WiMAX base station, and coexistence is withdrawed from application.
74.WiMAX the base station judges whether described coexistence carrier channel can be utilized after receiving the solicited message of MS transmission, if can then send response message to MS, after multimode terminal receives response message, continues to use the described coexistence carrier wave of step 72 A.
Like this, MS does not temporarily use the method for second carrier wave can reduce the generation of the situation of professional mutual interference mutually with BS, improves user communication quality.
The embodiment of the invention also provides a kind of terminal, and this terminal comprises as shown in Figure 8: receiver module 800 is used to receive the proprietary synchronizing information from second carrier wave of base station BS; Synchronization module 802, the proprietary synchronizing information and corresponding second carrier wave that are used for second carrier wave that receives according to described receiver module 800 carry out synchronously.Here, described proprietary synchronizing information can comprise carrier index carrier index and proprietary synchronous code dedicated code, and is preferred, also can further comprise proprietary transmission opportunity transmissionopportunity.In the embodiment of the invention, described receiver module 800 is received after the proprietary synchronizing information of second carrier wave that BS sends, described synchronization module 802 can send described proprietary synchronous code to described BS on second carrier wave of determining according to described carrier index, reception is from the control signaling of described BS, be included as the ascending resource of described terminal distribution in the described control command, then can on described ascending resource, send distance measurement request RNG-REQ to described BS, reception is replied RNG-RSP from the range finding of described BS, carries out synchronously according to indication among the described RNG-RSP of stating and described second carrier wave.Preferably, if also comprise proprietary transmission opportunity in the described proprietary synchronizing information, then described synchronization module 802 can be on the corresponding described proprietary transmission opportunity of second carrier wave of determining according to described carrier index to described BS send described proprietary synchronous code finish with described second carrier wave synchronously.
Further, described terminal also comprises scan module 804, is used for its second carrier wave of supporting is scanned, and generates scanning result; Sending module 806 is used for the scanning result that described scan module 804 generates is sent to the base station.
Further, described sending module 806 can also send a request message to described BS after the scanning result that described sending module 806 generates described scan module 804 sends to the base station, and request increases by second carrier wave.
Further, described receiver module 800 also is used to receive deletion second carrier wave indication from described BS from the base station; Then described sending module 806 also is used for sending the deletion response according to described deletion second carrier wave indication to described base station.
Preferably, described scan module 804 also is used for the second synchronous carrier wave is scanned, and generates scanning result; Then described sending module 806 is used for the scanning result that described scan module 804 generates is sent to the base station.
When business changes, when reducing as traffic carrying capacity, but deletion second carrier wave then, as, described sending module 806 can also send the indication of deletion second carrier wave to the base station, and indication needs second carrier wave that delete; Then described receiver module 800 receives the deletion response from described base station, deletes described second carrier wave.Preferably, before the base station sent the indication of deletion second carrier wave, described scan module 804 also can scan the second synchronous carrier wave, generates scanning result at described sending module 806; Then described sending module 806 further can send the indication of deletion second carrier wave to described BS according at least one second carrier wave of selecting the needs deletion, and indication needs second carrier wave of deletion.
Describedly utilize proprietary synchronizing information to carry out synchronous terminal can to avoid conflicting, improve synchronous reliability and reduce lock in time with other synchronizing informations.Described have along with business changes, and comprises that traffic carrying capacity increases and reduces, and dynamically manages the terminal of the second carrier wave function and can save the maintenance costs of keeping with second carrier synchronization, reduces interference and improve user communication quality.
The embodiment of the invention also provides a kind of communication system, and as shown in Figure 9, this communication system comprises base station 901 and terminal 902, and wherein said base station is used for sending to described terminal 902 the proprietary synchronizing information of second carrier wave; Described terminal 902 is used to receive the proprietary synchronizing information from second carrier wave of base station 901; Carry out synchronously according to described proprietary synchronizing information and corresponding second carrier wave.
Here, described base station 901 can be the proprietary synchronizing information that sends second carrier wave by main carrier to described terminal.Described proprietary synchronizing information can be carrier index carrier index and proprietary synchronous code dedicatedcode, and is preferred, also can comprise proprietary transmission opportunity transmission opportunity.Then in the present embodiment, described carrying out according to described proprietary synchronizing information and corresponding second carrier wave can be synchronously: described terminal 902 is sending described proprietary synchronous code to described base station 901 on second carrier wave of determining according to described carrier index, preferably, if also comprise proprietary transmission opportunity in the described proprietary synchronizing information, then described terminal 902 can send described proprietary synchronous code to described base station 901 on the corresponding described proprietary transmission opportunity of second carrier wave of determining according to described carrier index; Reception comprises the ascending resource of described base station assigns from the control signaling of described base station 901 in the described control signaling; Described terminal 902 sends distance measurement request RNG-REQ to described base station 901 on described ascending resource; Reception is replied RNG-RSP from the range finding of described base station 901, carries out synchronously according to indication among the described RNG-RSP of stating and described second carrier wave.
Before the proprietary synchronizing information of described terminal 902 receptions, comprise that further described terminal 902 scans its second carrier wave of supporting from second carrier wave of base station 901; Scanning result is reported described base station 901; At least one second carrier wave is selected according to described scanning result in then described base station 901, and the proprietary synchronizing information of described second carrier wave is sent to described terminal 902.Further, described terminal 902 can comprise that also described terminal 902 sends a request message to described base station 901 after scanning result is reported described base station 901, and request increases by second carrier wave; At least one second carrier wave is selected according to described scanning result and described request message in then described base station 901, and the proprietary synchronizing information of described second carrier wave is sent to described terminal 902.
Preferably, in the embodiment of the invention, when business changes, reduce as traffic carrying capacity, but deletion second carrier wave then, then described base station 901 can send the indication of deletion second carrier wave to described terminal 902, and indication needs second carrier wave of deletion; Reception is deleted described second carrier wave from the deletion response of described terminal 902; Described terminal 902 receives deletion second carrier wave indication from described base station 901, sends the deletion response to described base station 901, deletes described second carrier wave.Further, 901 send the indication of deletion second carrier wave to described terminal 902 and take a step forward and comprise that 902 pairs of second synchronous carrier waves of described terminal scan, and report scanning result to described base station 901 in the base station; At least one second carrier wave that then described base station 901 selects needs to delete according to described scanning result is to the indication of described terminal 902 transmission deletions second carrier wave, second carrier wave that indication need be deleted.
In addition, in the embodiment of the invention, when business changes, reduce, but deletion second carrier wave then can also be that described terminal 902 sends the indication of deletion second carrier wave to described base station 901 that indication needs second carrier wave of deletion as traffic carrying capacity; Reception is deleted described second carrier wave from the deletion response of described base station 901; 901 receptions in described base station send the deletion response from deletion second carrier wave indication of described terminal 902 to described terminal 902, delete described second carrier wave.Preferably, in described terminal 902 before described base station 901 sends the indication of deletion second carrier wave, described terminal 902 can scan the second synchronous carrier wave earlier, select at least one second carrier wave of needs deletion according to described scanning result, send the indication of deletion second carrier wave to described base station 901, indication needs second carrier wave of deletion.
Step in the flow process of the embodiment of the invention can be merged into a step, also can further split into a plurality of substeps; The flow process of the embodiment of the invention can be merged into a flow process according to the difference of using, and also can further split into a plurality of sub-processes.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
One of ordinary skill in the art will appreciate that all or part of processing in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (26)
1. a synchronous method is characterized in that, this method comprises:
Terminal MS receives the proprietary synchronizing information from second carrier wave of base station BS;
Carry out synchronously according to described proprietary synchronizing information and corresponding second carrier wave.
2. the method for claim 1 is characterized in that, the proprietary synchronizing information that described terminal MS receives from second carrier wave of base station BS is specially:
Terminal MS receives the proprietary synchronizing information of second carrier wave that sends from main carrier from base station BS.
3. the method for claim 1 is characterized in that, described proprietary synchronizing information comprises:
Carrier index carrier index and proprietary synchronous code dedicated code.
4. method as claimed in claim 3 is characterized in that, described proprietary synchronizing information also comprises:
Proprietary transmission opportunity transmission opportunity
5. method as claimed in claim 4 is characterized in that, describedly is specially synchronously with corresponding second carrier wave according to described proprietary synchronizing information:
Described terminal MS sends described proprietary synchronous code to described BS in described proprietary transmission opportunity;
Reception comprises the ascending resource that described BS distributes from the control signaling of described BS in the described control signaling;
Described terminal MS sends distance measurement request RNG-REQ to described BS on described ascending resource;
Reception is replied RNG-RSP from the range finding of described BS, carries out synchronously according to indication among the described RNG-RSP of stating and described second carrier wave.
6. the method for claim 1 is characterized in that, further comprises before the proprietary synchronizing information of described terminal MS reception from second carrier wave of base station BS:
Described terminal MS scans its second carrier wave of supporting;
Scanning result is reported described BS; Then
Described BS selects at least one second carrier wave according to described scanning result, and the proprietary synchronizing information of described second carrier wave is sent to described terminal MS.
7. method as claimed in claim 6 is characterized in that, describedly also comprises after scanning result is reported described BS:
Described terminal MS sends a request message to described BS, and request increases by second carrier wave; Then
Described BS selects at least one second carrier wave according to described scanning result and described request message, and the proprietary synchronizing information of described second carrier wave is sent to described terminal MS.
8. as the described arbitrary method of claim 1-7, it is characterized in that this method also further comprises:
Described terminal MS receives deletion second carrier wave indication from described BS, and indication needs second carrier wave of deletion;
Described terminal MS sends the deletion response to described BS, deletes described second carrier wave.
9. method as claimed in claim 8 is characterized in that, deletion second carrier wave indication that described terminal MS receives from described BS further comprises before:
Described MS scans the second synchronous carrier wave;
Scanning result is reported to described BS; Then
At least one second carrier wave that described BS selects needs to delete according to described scanning result is to the indication of described MS transmission deletion second carrier wave, second carrier wave that indication need be deleted.
10. as the described arbitrary method of claim 1-7, it is characterized in that this method also further comprises:
Described terminal MS sends the indication of deletion second carrier wave to described BS, and indication needs second carrier wave of deletion;
Reception is deleted described second carrier wave from the deletion response of described BS.
11. method as claimed in claim 10 is characterized in that, described terminal MS further comprised before described BS sends the indication of deletion second carrier wave:
Described MS scans carrying out the second synchronous carrier wave;
According at least one second carrier wave that described scanning result selects needs to delete, indicate second carrier wave that indication need be deleted to described BS transmission deletion second carrier wave.
12. a terminal is characterized in that, described terminal comprises:
Receiver module is used to receive the proprietary synchronizing information from second carrier wave of base station BS;
Synchronization module, the proprietary synchronizing information and corresponding second carrier wave that are used for second carrier wave that receives according to described receiver module carry out synchronously.
13. terminal as claimed in claim 12 is characterized in that, described terminal also comprises:
Scan module is used for its second carrier wave of supporting is scanned, and generates scanning result;
Sending module is used for the scanning result that described scan module generates is sent to the base station.
14. terminal as claimed in claim 13 is characterized in that, described sending module also is used for sending a request message to described BS, and request increases by second carrier wave.
15. as the described arbitrary terminal of claim 12-14, it is characterized in that,
Described receiver module also is used to receive deletion second carrier wave indication from described BS from the base station;
Described sending module also is used for sending the deletion response according to described deletion second carrier wave indication to described base station.
16. terminal as claimed in claim 15 is characterized in that, described scan module also is used for the second synchronous carrier wave is scanned, and generates scanning result;
Described sending module is used for the scanning result that described scan module generates is sent to the base station.
17. as the described arbitrary terminal of claim 12-14, it is characterized in that,
Described sending module also is used for sending the indication of deletion second carrier wave to the base station, and indication needs second carrier wave of deletion;
Described receiver module also is used to receive the deletion response from described base station.
18. terminal as claimed in claim 17 is characterized in that, described scan module also is used for the second synchronous carrier wave is scanned, and generates scanning result;
Described sending module also is used for according at least one second carrier wave of selecting the needs deletion, sends the indication of deletion second carrier wave to described BS, and indication needs second carrier wave of deletion.
19. a communication system is characterized in that this communication system comprises base station and terminal, wherein
Described base station is used for sending to described terminal the proprietary synchronizing information of second carrier wave;
Described terminal is used to receive the proprietary synchronizing information from second carrier wave of base station; Carry out synchronously according to described proprietary synchronizing information and corresponding second carrier wave.
20. communication system as claimed in claim 19 is characterized in that,
Described base station is used for sending to described terminal by main carrier the proprietary synchronizing information of second carrier wave.
21. communication system as claimed in claim 19 is characterized in that,
Described terminal also is used for its second carrier wave of supporting is scanned; Scanning result is reported described base station; Then
Described base station also is used for selecting at least one second carrier wave according to described scanning result, and the proprietary synchronizing information of described second carrier wave is sent to described terminal.
22. communication system as claimed in claim 21 is characterized in that, described terminal also is used for sending a request message to described base station, and request increases by second carrier wave; Then
Described base station also is used for selecting at least one second carrier wave according to described scanning result and described request message, and the proprietary synchronizing information of described second carrier wave is sent to described terminal.
23. as the described arbitrary communication system of claim 19-22, it is characterized in that,
Described base station also is used for sending the indication of deletion second carrier wave to described terminal, and indication needs second carrier wave of deletion; Reception is deleted described second carrier wave from the deletion response of described terminal;
Described terminal also is used to receive deletion second carrier wave indication from described base station, sends the deletion response to described base station, deletes described second carrier wave.
24. communication system as claimed in claim 23 is characterized in that,
Described terminal also is used for the second synchronous carrier wave is scanned, and scanning result is reported to described base station; Then
Described base station also is used at least one second carrier wave according to the deletion of described scanning result selection needs, sends the indication of deletion second carrier wave to described terminal, indicates second carrier wave that needs deletion.
25. as the described arbitrary communication system of claim 19-22, it is characterized in that,
Described terminal also is used for sending the indication of deletion second carrier wave to described base station, and indication needs second carrier wave of deletion; Reception is deleted described second carrier wave from the deletion response of described base station;
Described base station also is used to receive deletion second carrier wave indication from described terminal, sends the deletion response to described terminal, deletes described second carrier wave.
26. communication system as claimed in claim 23 is characterized in that, wherein,
Described terminal also is used for the second synchronous carrier wave is scanned, and according at least one second carrier wave that described scanning result selects needs to delete, indicates second carrier wave that indication need be deleted to described base station transmission deletion second carrier wave.
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| CN200810216685A CN101719786A (en) | 2008-10-09 | 2008-10-09 | Synchronous method, synchronous terminal and communication system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104798404A (en) * | 2013-02-15 | 2015-07-22 | 夏普株式会社 | Mobile-station device, integrated circuit, communication method, and communication program |
| CN106900054A (en) * | 2017-04-01 | 2017-06-27 | 宇龙计算机通信科技(深圳)有限公司 | A kind of multicarrier transmitting method, user equipment and base station |
| WO2018171753A1 (en) * | 2017-03-24 | 2018-09-27 | 华为技术有限公司 | Synchronization method and apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000022870A1 (en) * | 1998-10-15 | 2000-04-20 | Ericsson, Inc. | Systems and methods for fast terminal synchronization in a wireless communication system |
| CN1764087A (en) * | 2004-10-21 | 2006-04-26 | 大唐移动通信设备有限公司 | Synchronous method for time-division duplex mobile communication system terminal working on subcarrier wave |
| CN101056136A (en) * | 2006-04-14 | 2007-10-17 | 鼎桥通信技术有限公司 | Method for expanding the uplink synchronization range in the TD-SCDMA mobile communication system |
| CN101247172A (en) * | 2007-12-17 | 2008-08-20 | 华为技术有限公司 | Resource synchronization method, system and device of global microwave access interoperation system |
-
2008
- 2008-10-09 CN CN200810216685A patent/CN101719786A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000022870A1 (en) * | 1998-10-15 | 2000-04-20 | Ericsson, Inc. | Systems and methods for fast terminal synchronization in a wireless communication system |
| CN1764087A (en) * | 2004-10-21 | 2006-04-26 | 大唐移动通信设备有限公司 | Synchronous method for time-division duplex mobile communication system terminal working on subcarrier wave |
| CN101056136A (en) * | 2006-04-14 | 2007-10-17 | 鼎桥通信技术有限公司 | Method for expanding the uplink synchronization range in the TD-SCDMA mobile communication system |
| CN101247172A (en) * | 2007-12-17 | 2008-08-20 | 华为技术有限公司 | Resource synchronization method, system and device of global microwave access interoperation system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104798404A (en) * | 2013-02-15 | 2015-07-22 | 夏普株式会社 | Mobile-station device, integrated circuit, communication method, and communication program |
| CN104798404B (en) * | 2013-02-15 | 2018-07-20 | 夏普株式会社 | Mobile station apparatus, integrated circuit, communication means and signal procedure |
| WO2018171753A1 (en) * | 2017-03-24 | 2018-09-27 | 华为技术有限公司 | Synchronization method and apparatus |
| US11063806B2 (en) | 2017-03-24 | 2021-07-13 | Huawei Technologies Co., Ltd. | Synchronization method and apparatus |
| CN106900054A (en) * | 2017-04-01 | 2017-06-27 | 宇龙计算机通信科技(深圳)有限公司 | A kind of multicarrier transmitting method, user equipment and base station |
| CN106900054B (en) * | 2017-04-01 | 2020-08-14 | 宇龙计算机通信科技(深圳)有限公司 | Multi-carrier transmission method, user equipment and base station |
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