CN101252769A - Systems and methods for channel selections management in a wireless communication network - Google Patents
Systems and methods for channel selections management in a wireless communication network Download PDFInfo
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- CN101252769A CN101252769A CNA2008100015798A CN200810001579A CN101252769A CN 101252769 A CN101252769 A CN 101252769A CN A2008100015798 A CNA2008100015798 A CN A2008100015798A CN 200810001579 A CN200810001579 A CN 200810001579A CN 101252769 A CN101252769 A CN 101252769A
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Abstract
The present invention relates to a system and method for channel selection management in a wireless communication network. The system includes a memory module configured to store at least one channel condition related to at least one infrastructure station among a plurality of infrastructure stations in the wireless communication network, wherein each of the plurality of infrastructure stations is able to monitor a channel condition of a channel between the each infrastructure station and a mobile station; a compare module configured to compare a channel condition related to one of the plurality of infrastructure stations with a threshold and provide a signal for a comparison result; a control module configured to provide a control information based on the signal from the compare module; and a selection module configured to select one of the at least one infrastructure station and notify the selected infrastructure station to serve the mobile station based on the control information from the control module.
Description
The cross reference of related application
[0001] this application requires application number to be: 60/880,313, the U.S. Provisional Application and the application number of filing an application on January 12nd, 2007 is: 60/902,517, the rights and interests of the U.S. Provisional Patent Application of filing an application on February 22nd, 2007.
Technical field
[0002] the present invention relates to be used for method of wireless communication and system.More specifically, the present invention relates to the system and method for channel selections management in the cordless communication network.
Background technology
[0003] radio communication plays an important role in the exchange of audio frequency, video or out of Memory, and the form that described audio frequency, video or out of Memory can data communicates.For the covering of the base station in the spread radio communication network, can provide the relay station that is subordinated to this base station in order to transfer of data between this base station and mobile radio station.But, the limitations restrict of the transmittability of relay station data throughout or the exchanges data amount in the time cycle.Equally, when mobile radio station is mobile in the covering such as the infrastructure station (infrastructure station) of base station or relay station, may need to switch to another infrastructure station the visit station (access station) of this mobile radio station from an infrastructure station.
[0004] in radio communication,, may transmit together with real data such as being used to distribute wireless communication resources or the control information of the others that control data exchanges between two or more stations.In some applications, handle or operation (handle) may be with the demand of the control information of the form transmission of control messages, may consume the unnecessary resource and the further effective throughput of restriction transmittability or real data for base station or relay station.
[0005] therefore, can use the effective throughput that so-called " transparent relay station (transparent RS) " improves transmittability or real data.Transparent RS can be when down link is visited its attached mobile radio station, does not transmit the RS of own distinctive control information or control messages in broadcasting connects.Therefore, transparent RS can simplify the operation and control daily expenses (overhead).
In addition, such as the several infrastructure station in the cordless communication network of (multi-hop) junction network that jumps more, can share identical broadcast message such as this synchronically controlling information or resource allocation control information, so that mobile radio station is when the covering of another transparent RS is transferred in the covering of a transparent RS, can communicate by letter with one of them of this infrastructure station, maybe need not pay close attention to its any change of visit station from a transparent RS to another transparent RS and need not start any handing-over.But, may need extra mechanism to be used to safeguard connectivity between mobile radio station and one of them the infrastructure station.For example, in this wireless communication system, the so-called channel selections management of handling or visiting the change of station from a transparent RS to another transparent RS about handing-over may be necessary.
[0006] Fig. 1 is exemplary cordless communication network figure.This cordless communication network can comprise base station (BS) 102, relay station (RS) 104 and mobile radio station (MS) 106.Base station 102 can be used as the visit station of relay station 104 and mobile radio station 106, and relay station 104 can be used as the visit station of mobile radio station 106.Especially, configurable base station 102 sends base station data and receives the moving station number certificate from mobile radio station 106 to mobile radio station 106.In addition, configurable base station 102 sends base station data and receives the relay station data from relay station 104 to relay station 104.Also configurable base station 102 sends control information or control messages to relay station 104 and mobile radio station 106.Configurable relay station 104 is used for the base station data of relaying at least a portion, and configurable mobile radio station 106 is used to receive base station data and/or relay station data, and sends the moving station number certificate.Also configurable mobile radio station 106 is used for 102 receiving control informations from the base station, and need not the relay station such as any centre of the relay station 104 that is used for relay and control information.In other words, relay station 104 is " transparent " for mobile radio station 106.
[0007] in some instances, can dispose mobile radio station 106 receives base station data and sends the moving station number certificate by one or more relay stations.Control information can comprise that one or more resource allocation informations, control messages " MAP ", distance are revised response message (rangingresponse message) " RNG-RSP " and/or connection identification (CID) distributes according to its application.In addition, configurable mobile radio station 106 is used according to it, responds having the initial distance correction code and the control information of distance correction request message " RNG-REQ ".
[0008] in the method for some prior aries, can be before the visit station or execution handing-over of handover of mobile stations, select the next one visit station of infrastructure station by maintain infrastructure station candidate set and from this candidate set as mobile radio station, thereby realization channel selections management, this handing-over are for obtaining the better huge hard handing-over that collects the required soft handing-over of (macro-diversity) gain or be used for seamless switching more.Example about the method for prior art can comprise: the name of Voyer is called the 6th, 714, No. 788 United States Patent (USP)s of " method of simplifying overloaded base stations "; People's such as Das name is called No. 20060223535 U.S. Patent Application Publication of " the hard transmittance process that is used for special-purpose and high speed shared channels "; Be called No. 20060285520 U.S. Patent Application Publication of " device of the method for easy handing-over " with the name of Venkitaraman.But, unless the monitoring of execution cycle property and report to the periodic measurement at candidate station and the scanning result of assessment, otherwise the above-mentioned prior art that is used for channel selections management can't be improved transmittability or improve efficiency of transmission.Therefore, in described example, the method and apparatus of prior art can not be in cordless communication network based on transparent RS and enough efficient and suitable execution seamless handover.In addition, if comprise the visit station that mobile radio station switches in the candidate set at infrastructure station, this mobile radio station may not carried out handover request so.Therefore expect a kind of method and system of channel selections management of the handing-over that is used to simplify or improve mobile radio station.
Summary of the invention
[0009] example of the present invention can provide the system of the channel selections management in a kind of cordless communication network, this system comprises: memory module, be used for storing at least one the relevant channel situation of at least one infrastructure station in a plurality of infrastructure station with this cordless communication network, wherein each of this a plurality of infrastructure station can be monitored the channel situation of channel between described each infrastructure station and the mobile radio station; Comparison module is used for one of them relevant channel situation and threshold value with this a plurality of infrastructure station are compared, and the signal of comparative result is provided; Control module is used for providing control information according to this signal from this comparison module; And the selection module, be used for selecting one of them of at least one infrastructure station and notifying the infrastructure station of this selection to serve this mobile radio station according to this control information from this control module.
[0010] examples more of the present invention also provide the method for the channel selections management in the cordless communication network, this method comprises: the storage with this cordless communication network in a plurality of infrastructure station at least one relevant channel situation of at least one infrastructure station, wherein each of this a plurality of infrastructure station can be monitored the channel situation of channel between this each infrastructure station and the mobile radio station; Provide whether threshold value is acceptable in order to the identification channel situation; To make comparisons with one of them relevant channel situation and this threshold value at this a plurality of infrastructure station; Be provided for the signal of comparative result; This signal based on this comparative result provides control information; And select at least one infrastructure station based on this control information one of them in order to serve this mobile radio station.
[0011] examples more of the present invention provide the method for the channel selections management in the cordless communication network, and this method comprises: ask in each monitoring cordless communication network of at least one relay station the channel situation of channel between this each relay station and the mobile radio station; Send message in order to report the result of this monitoring from this each relay station to the base station; Whether based on this channel situation of discerning this each relay station from the message of this each relay station is acceptable; And select this at least one relay station one of them with this base station in order to serve this mobile radio station.
[0012] examples more of the present invention further provide the method for the channel selections management in the cordless communication network, this method comprises: first relay station of serving mobile radio station is provided in this cordless communication network, and this first relay station is reported the channel situation of channel between this first relay station and this mobile radio station; Each of at least one second relay station of this mobile radio station is not served in request, monitors the channel situation of channel between this each second relay station and this mobile radio station; Each second relay station sends message in order to report the result of this monitoring to the base station from this; Discern the channel situation of this each second relay station based on this message of each second relay station from this; Notify first relay station to stop to serve this mobile radio station, and notify at least one second relay station one of them in order to serve this mobile radio station.
[0013] those skilled in the art should be appreciated that under the prerequisite that does not deviate from main concept of the present invention and can make a change the present invention; therefore; the present invention be should understand and disclosed particular instance and embodiment are not limited to, but in order to contain the modification in spirit of the present invention and the protection range.
[0014] additional feature of the present invention and advantage will partly propose in the following description, and will partly represent in this explanation, maybe can learn by practice of the present invention.To be familiar with and obtain feature of the present invention and advantage by the element in accompanying Claim, specifically pointed out and combination.
Should be appreciated that as desired right that [0015] detailed description of the generality of front explanation and back all only is exemplary and indicative but not limitation of the present invention.
Description of drawings
[0016] reads in conjunction with the drawings, can better understand the summary of the invention part of front and the embodiment part of back.For demonstration explanation purpose of the present invention, current preferably example shown in the drawings.But should be appreciated that, do not really want to limit the invention in the middle of the shown accurate setting and means.
[0017] accompanying drawing is as follows:
[0018] Fig. 1 is exemplary cordless communication network figure;
[0019] Fig. 2 is the system diagram according to the channel selections management of an example of the present invention;
[0020] Fig. 3 is the system diagram according to the channel selections management of another example of the present invention;
[0021] Fig. 4 is the system diagram according to the channel selections management of another example of the present invention;
[0022] Fig. 5 is the system diagram according to the channel selections management of another example of the present invention;
[0023] Fig. 6 has shown the flow chart according to the method for the channel selections management of an example of the present invention;
[0024] Fig. 7 has shown the flow chart according to the method for the channel selections management of another example of the present invention;
[0025] Fig. 8 has shown the message sequence flow process according to the signalling flow process of the method for the channel selections management of an example of the present invention; And
[0026] Fig. 9 has shown the message sequence flow process according to the signalling flow process of the method for the channel selections management of another example of the present invention.
Embodiment
[0027] now the example that the present invention represented that shows is in the accompanying drawings made detailed reference.In any possible place, use identical reference number to refer to same or analogous part in the accompanying drawing in the whole text.
[0028] in example of the present invention, in cordless communication network, some or all control informations can directly be handled and the resource that need not to consume relay station in the base station.In some instances, in order to increase data throughout, can dispose relay station in order to as transparent relay station, and therefore some or all control informations not handled.In other example, configurable relay station is not monitored radio channel, and configurable base station do not prepare the relevant information of the relay data between base station and the mobile radio station or message or handles, therefore simplify base station and relay station the two data access and the complexity of processing.
[0029] Fig. 2 is 200 figure of system according to the channel selections management of an example of the present invention.According to Fig. 2, system 200 can comprise memory module 202, select module 204, first comparison module 206 and first control module 208.Whole or the standalone module 202,204,206 of system 200 or at least one of 208 can be embodied as hardware or software, the former can be more favourable for service speed, and the latter has higher cost efficiency concerning considering design complexities.No matter be embodied as hardware or software, all can in the base station, provide in an example or installation system 200.
[0030] configurable memory module 202 is used for storing the form of the channel situation relevant with the infrastructure station group of cordless communication network.Cordless communication network can comprise a plurality of infrastructure station and mobile radio station.Comprise a plurality of infrastructure station of infrastructure station group, can comprise one or more base stations and one or more relay station.One of them of infrastructure station group, for example first stop can or be served mobile radio station by the mobile radio station visit data.Each of a plurality of infrastructure station can be from mobile radio station received signal and measuring-signal quality, and signal quality can be represented the channel situation of the link between each infrastructure station and the mobile radio station.Configurable selection module 204 is selected one of them of infrastructure station group, and a selected candidate access station as mobile radio station is provided.Configurable first comparison module 206 will be made comparisons by signal quality and first threshold that first stop is measured, and produce first result relatively.Based on first result, first control module 208 can provide first control information to a plurality of infrastructure station.In an example, first control information can comprise that resource allocation information, distance are revised response or one of them that (CID) distributes discerned in connection.In an example, in response to first control information, if the signal quality that first stop is measured does not reach first threshold, each that then can ask a plurality of infrastructure station measure on the link at each infrastructure station or channel by the signal quality of the signal of mobile radio station transmission.
[0031] for example, can discern signal quality by measuring such as the electric characteristic of the signal of Signal Interference and Noise Ratio (SINR), received signal intensity indication (RSSI) and the error rate (BER) from the signal of this mobile radio station.Therefore first threshold can relate to the minimum SINR that is used for inadequate acceptable channel situation, minimum RSSI or maximum BER.In addition, " to reach this first threshold " and can represent the channel situation of the link between this mobile radio station and the current visit station thereof be acceptable to the statement in the specification.Especially, " reach this first threshold " and can refer to and reach numerical value and be equal to or greater than predetermined SINR, power level and be equal to or greater than predetermined RSSI or numerical value situation less than predetermined BER.In an example, if the signal quality of first result indicating signal reaches first threshold, then first control module 208 can keep first stop in the group of (remain) infrastructure station based on this signal quality, and upgrades the channel situation of this first stop in memory module 202.In another example, if the signal quality of first result indicating signal does not reach first threshold, then first control module 208 can be removed this first stop and relevant channel situation thereof from memory module 202.
[0032] form in memory module 202 also can be stored the communication information such as time sequence information, synchronizing information or the through-put power of each infrastructure station group.When mobile radio station moved, mobile radio station need switch to another visit station from current visit station or carry out handing-over.When requiring to join, select module 204 from the form of mobile radio station, to select suitable station, wherein suitable station can relate at least one station that is better than predetermined threshold value from the signal quality of the signal of this mobile radio station.Owing to can obtain to be stored in the communication information the memory module 202 from form, and the communication information can directly be transferred to this mobile radio station, therefore can remove traditional handshaking.Like this, switch or handing-over owing to only need less control information or control messages to carry out, thereby can improve the transmittability at infrastructure station.
[0033] Fig. 3 is 300 figure of system according to the channel selections management of another example of the present invention.According to Fig. 3, except for example replacing first comparison module 206 and first control module 208 with second comparison module 306 and second control module 308, system 300 be similar with reference to the system 200 that figure 2 described and showed.Configurable second comparison module 306 is used for the signal quality and second threshold value of the signal that will be measured by first stop makes comparisons, and produces second result relatively.In this example, each of a plurality of infrastructure station and this first stop can be measured in the signal quality that chains separately by the signal of this mobile radio station transmission.Based on second result, second control module 308 can provide second control information to a plurality of infrastructure station.According to an example of the present invention, if the signal quality that first stop is measured reaches second threshold value, promptly, the channel situation of representing this first stop is acceptable, then in response to second control information, each of a plurality of infrastructure station can stop to measure the signal quality that chains the signal that is transmitted by this mobile radio station at this separately.In an example, second threshold value can comprise the one or more of the predetermined SINR, the RSSI that are used for acceptable channel situation or BER numerical value.In addition, second control information can comprise that resource allocation information, distance revise response or connect identification (CID) one or more in distributing.In addition, if each test constantly at a plurality of infrastructure station also is reported in this independent signal quality that goes up by the signal of this mobile radio station transmission that connects, then memory module 202 also can be stored the communication information such as time sequence information, synchronizing information or the through-put power at each this infrastructure station.
[0034] Fig. 4 is 400 figure of system according to the channel selections management of another example of the present invention.According to Fig. 4, except for example replacing first comparison module 206 and first control module 208 with the 3rd comparison module 406 and the 3rd control module 408, system 400 be similar with reference to the system 200 that figure 2 described and showed.Configurable the 3rd comparison module 406 is used for and will be made comparisons by the signal quality and the 3rd threshold value of the signal of each measurement at a plurality of infrastructure station, and produces the 3rd result relatively.If the signal quality of being measured by each infrastructure station reaches the 3rd threshold value, then configurable the 3rd control module 408 upgrades or recovers memory module 202 by the infrastructure station is added in the group of infrastructure station.In other words, if the signal quality of the link between infrastructure station and the mobile radio station is gratifying, then can add this infrastructure station in the memory module 202 infrastructure station group together with its channel situation.Therefore, the infrastructure station group that is stored in the memory module 202 can have better channel situation than other a plurality of infrastructure station.In an example, the 3rd threshold value can comprise the one or more of the predetermined SINR, the RSSI that are used for acceptable channel situation or BER numerical value.In addition, memory module 202 also can be stored the communication information such as time sequence information, synchronizing information or the through-put power at each this infrastructure station.
[0035] Fig. 5 is 500 figure of system according to the channel selections management of another example of the present invention.According to Fig. 5, except for example replacing first comparison module 206 and first control module 208 with the 4th comparison module 506 and the 4th control module 508, system 500 be similar with reference to the system 200 that figure 2 described and showed.Configurable the 4th comparison module 506 is used for and will be made comparisons by the signal quality and the 4th threshold value of the signal of each measurement at a plurality of infrastructure station.If the signal quality of being measured by this infrastructure station drops under the 4th threshold value, then configurable the 4th control module 508 is come updated stored device module 202 by remove the infrastructure station from the group of infrastructure station.In other words, if the signal quality of the link between infrastructure station and the mobile radio station is unsatisfactory, then can be with this infrastructure station together with removing in the infrastructure station group of its channel situation from memory module 202.Therefore, the infrastructure station group that is stored in the memory module 202 can have better channel situation than other a plurality of infrastructure station.In an example, the 4th threshold value can comprise the one or more of the predetermined SINR, the RSSI that are used for acceptable channel situation or BER numerical value.In addition, memory module 202 also can be stored the communication information such as time sequence information, synchronizing information or the through-put power at each infrastructure station.
[0036] in this example, if remove the first stop that is currently serviced in mobile radio station, then select module 204 from the group of infrastructure station, to select second station in order to serve mobile radio station.In addition,, then can carry out the handing-over of this mobile radio station, switch to another base station from current base station in order to connection with this mobile radio station if in the group of infrastructure station, can not find the second such station.In another example, system 500 can further comprise threshold value control module 510, configurable threshold value control module 510 provides one of them of first threshold, second threshold value, the 3rd threshold value and the 4th threshold value based on the input to the 4th comparison module 506, in order to adapt to different types of application.
[0037] Fig. 6 has shown the flow chart according to the method for the channel selections management of an example of the present invention.According to Fig. 6, in step 602, the base station can ask at least one relay station to monitor the signal quality of the signal that is transmitted by mobile radio station.In an example, the base station can be in first channel sends a request message to each of at least one relay station.In step 604, the message relevant with monitored results can be on second channel be transferred to the base station from each of at least one relay station, and second channel can be identical with first channel in an example.This message can represent whether communication path between each relay station and the mobile radio station or the signal quality that links are gratifying.
[0038] next step in step 606, based on this message from each transmission of at least one relay station, can select one of them communication path relevant with the base station with at least one relay station in cordless communication network.In other words, for example, one of them or this base station itself of this at least one relay station can be selected in the base station.Therefore, in step 608, this base station can distribute the station of this selection to serve this mobile radio station.Therefore second station can be " transparent " with respect to this mobile radio station.In an example, can be by discerning the selection that comes the executive communication path such as transmission parameters such as SINR, RSSI and BER.
[0039] Fig. 7 has shown the flow chart according to the method for the channel selections management of another example of the present invention.According to Fig. 7,, can between base station and mobile radio station, pass through the relay station relays data of service in step 702.In step 704, can ask the relay station of at least one non-service to monitor signal quality by the signal of mobile radio station transmission.In an example, relay station can be on first channel sends a request message to each of the relay station of at least one non-service.In step 706, the message relevant with monitored results can be on second channel sends to the base station from each of the relay station of at least one non-service, and second channel can be identical with first channel in an example.Next step in step 708, based on the message from each transmission of the relay station of at least one non-service, can select the communication path relevant with the relay station of at least one non-service.Then in step 710, but for example the relay station of base station notification service stops to serve mobile radio station.In addition, for example in step 712, the base station can notify the station of selection to serve mobile radio station.
[0040] Fig. 8 has shown the message sequence according to Path selection with the signalling flow process that is connected the method for setting up of an example of the present invention.According to Fig. 8, this signalling flow process can be about the radio communication between base station (BS), the first candidate relay station (RS), the second candidate relay station and mobile radio station (MS).In step 802, BS can send the message (MAP) that comprises resource allocation information to the first candidate RS, the second candidate RS and MS.In step 804, MS can be to BS transmission bandwidth (BW) request code in order to request channel width.In step 806, in response to the BW request code, BS can send the new MAP that comprises new resource allocation information to RS and MS.Next step, in step 808, BS can send message " Monitor_REQ ", the slave station of request BS, that is, the first candidate RS and the second candidate RS, monitoring is by the signal quality of the BW request header (header) of MS transmission in step 810.In step 812, RS can send message " Monitor_REP " to BS separately, reports the result of this monitoring then.BS can do the selection of outbound path based on from the message " Monitor_REP " of the subordinate RS of BS, by the communication performance or the linking status of the relatively first candidate RS and second candidate RS report.For example in an example, BS can select one to have the RS of communication performance preferably by using predetermined threshold value.Predetermined threshold value can be similar with the 4th threshold value to foregoing first, second, third.In this example as shown in Figure 8, in step 816, BS can select the first candidate RS in order to the visit station (or Target Station) as MS, and sends message " Monitor_RSP " as the response to the first candidate RS, asks the first candidate RS to serve this MS.Therefore, in step 818, but BS transmission range correction response " RNG_RSP " in order to beginning and MS apart from correcting process.In response to message " RNG_RSP ", MS can adjust the power that MS communicates by letter with the RS of this selection.
[0041] Fig. 9 has shown according to the path of an example of the present invention and has reselected message sequence with the signalling flow process of handover method.According to Fig. 9, this signal flow can be about in base station (BS), the relay station (RS) of service, adjacent relay station and the radio communication between mobile radio station (MS).In step 902, BS can send the message " MAP " that comprises resource allocation information to the RS of service, adjacent RS and MS.Next step, in step 904, MS can be to the visit station of MS, that is and, the RS of service sends user data.In step 906, user data is relayed to BS by the RS of service then.In case it is unsatisfactory that BS identifies the signal quality of user data of relaying, for example drop to below the predetermined threshold value, then BS can select another visit RS in order to serve this MS.Therefore, in step 908, BS can send the new MAP that comprises new resource allocation information to RS and MS.And in step 910, BS can send message " Monitor_REQ ", and in order to ask the RS of non-service, that is, adjacent RS monitors the signal quality that is sent to the user data of adjacent RS by MS.Next step can send to RS with the user data from MS in step 912, and will be relayed to BS from the user data of MS in step 914.In step 916, adjacent RS sends message " Monitor_REP ", in order to the result to BS report monitoring.In step 918, BS can come reselecting of execution route based on message " Monitor_REP ".If message " Monitor_REP " shows the signal quality of adjacent RS and reaches predetermined threshold value, for example, minimum SINR or minimum RSSI, or be better than the signal quality of the RS of service, then in step 920, BS can be to the RS of service and adjacent the two transmission message " Monitor_RSP " of RS, and the RS of request service stops to serve this MS, and asks adjacent RS to begin to serve this MS.Therefore, in step 922, BS can be ready to by the new user data of MS visit in order to represent this BS to MS transmission range correction response " RNG_RSP ".
[0042] those skilled in the art will appreciate that under the prerequisite that does not deviate from main concept of the present invention and can make a change above-mentioned example; therefore; should understand the present invention and be not limited to disclosed particular instance, but as defined in the appended claim, contain the modification in spirit of the present invention and the protection range.
[0043] in addition, in the explanation of representational example of the present invention, this specification shows as specific sequence of steps to described method of the present invention and/or processing.But described method or handle the degree of the particular order do not reach the step that relies on this proposition, described method or handle should be not limited to the order of described specific step.The those skilled in the art will be understood that other sequence of steps also can be possible.Therefore, the particular order of the step that proposes in this specification should be interpreted as restriction to described claim.In addition; the claim about described method of the present invention and/or processing should be restricted to their step of carrying out with the order of writing, and the those skilled in the art can understand easily in spirit of the present invention and protection range and can change or keep this order.
Claims (23)
1, the system of the channel selections management in a kind of cordless communication network, this system comprises:
Memory module, be used for storing at least one the relevant channel situation of at least one infrastructure station in a plurality of infrastructure station with this cordless communication network, wherein each of this a plurality of infrastructure station can be monitored the channel situation of channel between described each infrastructure station and the mobile radio station;
Comparison module is used for one of them the correlated channels situation and the threshold value at this a plurality of infrastructure station compared, and the signal of comparative result is provided;
Control module is used for providing control information according to this signal from this comparison module; And
Select module, be used for selecting one of them of at least one infrastructure station and notifying the infrastructure station of this selection to serve this mobile radio station according to this control information from this control module.
2, system according to claim 1, wherein this memory module comprises the form of at least one channel situation relevant with this at least one infrastructure station.
3, system according to claim 1 further comprises the threshold value control module, is used to provide this threshold value.
4, system according to claim 3, wherein:
This comparison module with first channel situation of the first stop at this at least one infrastructure station with make comparisons from the first threshold of this threshold value control module; And
If this first channel situation drops to this below first threshold, this control module provides first control information, reports the channel situation at this each infrastructure station in order to each of asking this a plurality of infrastructure station.
5, system according to claim 4 if wherein this first channel situation reaches this first threshold, then disposes this control module to keep this first channel situation relevant with this first stop in this memory module.
6, system according to claim 3, wherein:
Each of this a plurality of infrastructure station of this control module request is reported the channel situation at this each infrastructure station;
This comparison module with first channel situation of the first stop at this at least one infrastructure station with make comparisons from second threshold value of this threshold value control module; And
If this first channel situation reaches this first threshold, this control module provides second control information to stop to report this channel situation in order to each of asking this a plurality of infrastructure station.
7, system according to claim 3, wherein:
Each of this a plurality of infrastructure station of this control module request is reported the channel situation at this each infrastructure station;
This comparison module with this channel situation at this each infrastructure station with make comparisons from the 3rd threshold value of this threshold value control module; And
If this channel situation at this each infrastructure station reaches the 3rd threshold value, dispose this control module this each infrastructure station is added in this at least one infrastructure station group.
8, system according to claim 3, wherein:
Each of this this at least one infrastructure station of control module request is reported the channel situation at this each infrastructure station;
This comparison module with this channel situation at this each infrastructure station with make comparisons from the 4th threshold value of this threshold value control module; And
If this channel situation at this each infrastructure station drops to below the 4th threshold value, dispose this control module this each infrastructure station is removed from this at least one infrastructure station group.
9, the method for the channel selections management in a kind of cordless communication network, this method comprises:
The storage with this cordless communication network in a plurality of infrastructure station at least one relevant channel situation of at least one infrastructure station, wherein each of this a plurality of infrastructure station can be monitored the channel situation of channel between this each infrastructure station and the mobile radio station;
Provide whether threshold value is acceptable in order to the identification channel situation;
To make comparisons with one of them relevant channel situation and this threshold value at this a plurality of infrastructure station;
The signal of comparative result is provided;
Signal based on this comparative result provides control information; And
One of them that select at least one infrastructure station based on this control information served this mobile radio station.
10, method according to claim 9 further is included in storage at least one channel situation relevant with this at least one infrastructure station in the form.
11, method according to claim 9 further comprises:
First threshold is provided;
First channel situation and this first threshold of the first stop at this at least one infrastructure station are made comparisons;
Identify this first channel situation and drop to this below first threshold; And
First control information is provided, reports the channel situation at this each infrastructure station in order to each of asking this a plurality of infrastructure station.
12, method according to claim 9 further comprises:
First threshold is provided;
First channel situation and this first threshold of the first stop at this at least one infrastructure station are made comparisons;
Identify this first channel situation and reach this first threshold; And
Keep with this at least one infrastructure station group in this relevant first channel situation of this first stop.
13, method according to claim 9 further comprises:
Each of asking this a plurality of infrastructure station is reported the channel situation at this each infrastructure station;
Second threshold value is provided;
First channel situation and this second threshold value of the first stop at this at least one infrastructure station are made comparisons;
Identify this first channel situation and reach this second threshold value; And
Provide second control information to stop to report this channel situation in order to each of asking this a plurality of infrastructure station.
14, method according to claim 9 further comprises:
Each of asking this a plurality of infrastructure station is reported the channel situation at this each infrastructure station;
The 3rd threshold value is provided;
This channel situation and the 3rd threshold value at this each infrastructure station are made comparisons;
This channel situation that identifies this each infrastructure station reaches the 3rd threshold value; And
This each infrastructure station is added in this at least one infrastructure station group.
15, method according to claim 9 further comprises:
Each of asking this at least one infrastructure station is reported the channel situation at this each infrastructure station;
The 4th threshold value is provided;
This channel situation and the 4th threshold value at this each infrastructure station are made comparisons;
This channel situation that identifies this each infrastructure station drops to below the 4th threshold value; And
This each infrastructure station is removed from this at least one infrastructure station group.
16, the method for the channel selections management in a kind of cordless communication network, this method comprises:
Ask in each monitoring cordless communication network of at least one relay station the channel situation of channel between this each relay station and the mobile radio station;
Send message in order to report the result of this monitoring from this each relay station to the base station;
Whether based on this channel situation of discerning this each relay station from the message of this each relay station is acceptable; And
One of them that select this at least one relay station and this base station are in order to serve this mobile radio station.
17, method according to claim 16, one of them that wherein select this at least one relay station comprises in order to serve this mobile radio station with this base station:
Select one of them of this at least one relay station; And
Notify the relay station of this selection to serve this mobile radio station.
18, method according to claim 17 further comprises at least one transmission parameter that this mobile radio station adjustment of request is communicated by letter with the relay station of this selection.
19, the method for the channel selections management in a kind of cordless communication network, this method comprises:
First relay station of serving mobile radio station is provided in this cordless communication network, and this first relay station is reported the channel situation of channel between this first relay station and this mobile radio station;
Request is not served each of at least one second relay station of this mobile radio station and is monitored the channel situation of channel between this each second relay station and this mobile radio station;
Each second relay station sends message in order to report the result of this monitoring to the base station from this;
Discern the channel situation of this each second relay station based on this message of each second relay station from this;
Notify this first relay station to stop to serve this mobile radio station; And
One of them that notify this at least one second relay station served this mobile radio station.
20, method according to claim 19 is not served in request before each of at least one second relay station of this mobile radio station, further comprises:
The channel situation of discerning this first relay station drops to below the predetermined threshold value, and this predetermined threshold value comprises at least one among minimum SINR, minimum RSSI or the maximum BER.
21, method according to claim 19 before notifying this first relay station, further comprises:
The channel situation of discerning this first relay station drops to below the predetermined threshold value.
22, method according to claim 19 before notifying this first relay station, further comprises:
The channel situation of discerning this one second relay station is better than the channel situation of this first relay station.
23, method according to claim 19 further comprises and asks this mobile radio station to adjust at least one transmission parameter of communicating by letter with this one second relay station.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88031307P | 2007-01-12 | 2007-01-12 | |
| US60/880,313 | 2007-01-12 | ||
| US60/902,517 | 2007-02-22 | ||
| US11/970,511 | 2008-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100767945A Division CN103179627A (en) | 2007-01-12 | 2008-01-14 | Systems and methods for channel selection management in a wireless communication network |
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| Publication Number | Publication Date |
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| CN101252769A true CN101252769A (en) | 2008-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100015798A Pending CN101252769A (en) | 2007-01-12 | 2008-01-14 | Systems and methods for channel selections management in a wireless communication network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142917A (en) * | 2022-01-14 | 2022-03-04 | 中国人民解放军61096部队 | Satellite channel selection method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142917A (en) * | 2022-01-14 | 2022-03-04 | 中国人民解放军61096部队 | Satellite channel selection method and device |
| CN114142917B (en) * | 2022-01-14 | 2024-03-19 | 中国人民解放军61096部队 | Satellite channel selection method and device |
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