CN105592478A

CN105592478A - Signal detection processing method and apparatus

Info

Publication number: CN105592478A
Application number: CN201410623842.2A
Authority: CN
Inventors: 李新彩; 苟伟; 毕峰; 彭佛才
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2014-11-07
Filing date: 2014-11-07
Publication date: 2016-05-18
Also published as: WO2016070607A1

Abstract

The invention provides a signal detection processing method and apparatus. The method comprises the following steps: a base station obtaining a detection result of object signals on unauthorized carrier wave resources, wherein the priority of the object signals is higher than that of other service signals, and other service signals are signals apart from the object signals on the unauthorized carrier wave resources; and when the detection result indicates that the object signals are detected, the base station performing avoidance processing on the unauthorized carrier wave resources. By using the technical scheme provided by the invention, the problem of how to avoid severe same-frequency interference when signals with higher priorities on unauthorized carrier wave resources share the unauthorized carrier wave resources with other signals in related arts is solved, and the specific problems of object signal monitoring detection and avoidance when an LTE system carries out operation on an unauthorized carrier wave frequency range are realized, friendly coexistence of multiple systems is realized, and at the same time, the DFS requirement in control can be satisfied.

Description

Check processing method and the device of signal

Technical field

The present invention relates to the communications field, in particular to a kind of Check processing method and device of signal.

Background technology

As everyone knows, in correlation technique, Long Term Evolution (Long-TermEvolution, referred to as LTE) is to be deployed inIn mandate carrier wave, run. But along with the evolution of LTE, the problem that LTE is deployed in unauthorized carrier wave also needs to carry outResearch.

Unauthorized carrier wave has feature below:

1, free/low expense: do not need to buy unlicensed spectrum, frequency spectrum resource is zero cost.

2, access requirement is low, and cost is low: individual, enterprise can participate in disposing, and the equipment of equipment vendor is portion arbitrarilyAdministration.

3, shared resource: when multiple different systems are all runed wherein, or the different operators operation of same system whereinTime, can consider the mode of some shared resources, improve spectrum efficiency.

4, wireless access technology is many: can use different communication standards, but cooperation difficulty is large, network topology is various.

5, wireless access website is many: number of users is large, but cooperation difficulty is large, and centralized management expense is large.

6, application is many: multiple business can be runed therein, for example: machine to machine (Machinetomachine,Referred to as M2M) business, automobile be to automobile (Vehicletovehicle, referred to as V2V) business.

Above-mentioned characteristics determined unauthorized carrier wave may be important evolution direction of wireless communication system, but simultaneously alsoThere are problems, for example: in unauthorized carrier wave, will there are various wireless systems, and be difficult to each other coordinate,Serious interference.

At present, mainly based on carrier aggregation, (CarrierAggregation is called for short in the use of unauthorized carrier wave in LTEFor CA) and duplex connect the mode of (DualConnectivity, referred to as DC), when transporting in carrier aggregation modeWhen battalion, LTE authorizes carrier wave as main carrier, and unauthorized carrier wave is as auxiliary carrier wave, wherein unauthorized as auxiliary carrier waveCarrier wave has two kinds of forms: supplement descending (SupplementDownlink, referred to as SDL) and time division duplex (TimeDivisionDuplex, referred to as TDD), wherein, in SDL mode, the non-power carrier wave that receives and grant is as only transmitting descending year of dataRipple, in TDD mode, unauthorized carrier wave is runed in TDD mode (existing uplink also has downlink transfer).

In some frequency range of unauthorized 5GHz, such as 5250MHz arrives to 5350MHz and 5470MHz5725MHz, (some high-frequency predefined cycles send can be useful on some military and/or civilian radar signalsPulse signal) transmission, and this signal has the highest priority, can not be disturbed by other signal. , there iing radarThe frequency that signal sends can not have other business to transmit simultaneously. Therefore, if the base station of LTE system or UE existThis frequency range is carried out sharing operation, need to detect and relevant avoiding operation this signal, needs to meet area pipeDynamic frequency selection processed (DynamicFrequencySelection, referred to as DFS) requirement, minimizes between different systemInterference.

The base station of LTE system or UE, before unauthorized carrier wave transmits data, need to select and comment channelEstimate, clean channel estimating (clearchannelassessment, referred to as CCA) operation, avoids with other equipmentShare this carrier wave and produce serious co-channel interference. Therefore, at CCA stage and Channel holding time (ChannelOccupancyTime, referred to as COT) in all need radar signal to detect, and do relevant avoiding operation placeReason.

In correlation technique, on unauthorized carrier resource, for the higher signal of priority level how to avoid due toShare with other signals the problem that this unauthorized carrier resource causes serious co-channel interference, not yet propose effective technical scheme.

Summary of the invention

In order to solve the problems of the technologies described above, the invention provides a kind of Check processing method and device of signal.

According to an aspect of the present invention, provide a kind of Check processing method of signal, described method comprises: base station is obtainedGet the testing result to echo signal on unauthorized carrier resource, wherein, described echo signal priority is higher than other businessSignal, described other service signal is the signal except described echo signal on described unauthorized carrier resource; In described inspectionSurvey result and indicate when described echo signal detected, processing is dodged to described unauthorized carrier resource in described base station.

Preferably, base station obtains the testing result to echo signal on unauthorized carrier resource, comprises one of following: described inDescribed echo signal is detected in base station on described unauthorized carrier resource, obtains described testing result; In described base station ownershipUnder user equipment (UE) in select to specify UE, and trigger described appointment UE and detect described echo signal, receive described fingerDetermine the testing result that UE reports; The user equipment (UE) receiving under the ownership of described base station initiatively carries out described echo signalThe testing result reporting after detection.

Preferably, the UE under the ownership of described base station and described base station according to predetermined period or aperiodic detection mode in instituteState and in unauthorized resource, carry out described target echo detection.

Preferably, detection mode aperiodic of described echo signal triggers by trigger event, wherein, and described triggeringEvent comprise following one of at least:

When the network side link interruption of subscriber equipment under described base station or ownership, receive the signal of signal and interference and add and make an uproarWhen acoustic ratio (SignaltoInterferenceplusNoiseRatio, referred to as SINR) is less than the first predetermined threshold value, detectionWhile arriving signal energy thresholding higher than the second predetermined threshold value.

Preferably, select to specify UE in the UE under the ownership of base station by one of following mode: by described UE according to workJumping property degree sorts, and selects the minimum UE of activity as described appointment UE; By described UE according to geographical positionSub-clustering selects respectively a UE as described appointment UE in each bunch; In the UE under base station ownership according to pollMode select described appointment UE; Using all UE under the ownership of described base station as described appointment UE, wherein, described inAll UE under the ownership of base station detected described echo signal according to the predetermined detection cycle.

Preferably, when described appointment UE is while being multiple, the independent or division of labor of multiple described appointment UE detects described target letterNumber.

Preferably, trigger described appointment UE and detect described echo signal, comprising: by issue configuration letter to described UEThe mode of order notifies described appointment UE to detect described echo signal.

Preferably, described configuration-direct by Downlink Control Information (DownlinkControlInformation, referred to asOr Radio Resource control (RadioResourceControl, referred to as RRC) layer signaling bear DCI).

Preferably, described configuration-direct comprise following one of at least: instruction will be carried out the unauthorized of described target echo detectionThe information of frequency range or unauthorized carrier set, aperiodic detection trigger detection time information, the detection moment of cycle detectionInformation, wherein, detection trigger was used to indicate described appointment UE and detected described target with aperiodic form described aperiodicSignal.

Preferably, described detection time information is at least determined by following parameter: sense cycle and sense cycle skew.

Preferably, described configuration-direct also comprise following one of at least: described the first predetermined threshold value, the described second default thresholdValue, type, signal type that described trigger event is corresponding, wherein, described signal type comprises: described echo signal,Described other service signals.

Preferably, described configuration signal sends on mandate carrier wave or unauthorized carrier wave.

Preferably, the testing result that described appointment UE reports from ascending control information (UplinkControlInformation,Referred to as UCI) obtain in the up RRC high layer information of person.

Preferably, described appointment UE adopts one of following mode to feed back described testing result: periodic feedback, aperiodic touchSend out feedback.

Preferably, it is characterized in that, adopt testing result described in described periodic feedback by pre-defined described appointment UE;Detecting after echo signal, triggering described appointment UE and adopt the form of described non-periodic feedback to feed back described testing result.

Preferably, according to testing result, described unauthorized carrier resource is dodged to processing, comprising: described in detectingWhen echo signal, described base station sends broadcast signaling and notifies other websites, and wherein, described other websites are described base station instituteNetwork in other base stations except described base station; And/or in the channel estimating stage, if described target letter detectedNumber, stop intercepting described unauthorized carrier resource, if described echo signal do not detected, take described non-awardingUnauthorized carrier resource described in power carrier resource or random back; And/or in the resource occupation stage, if institute detectedState echo signal, carry out following one of at least operation: send the control signal that carries out dynamic frequency and move, carry out communityClose off operation, community activation or deactivating operation, if described echo signal do not detected, described in holding overUnauthorized carrier resource.

Preferably, described broadcast signaling is by authorizing the common signal channel of carrier wave or the carrying of the common signal channel of unauthorized carrier wave.

Preferably, described control signal comprise following one of at least: take and stop signaling and signaling is upgraded in scheduling.

Preferably, described in take and stop signaling and send authorizing on carrier wave or described unauthorized carrier wave, be used to indicate described non-Authorize the transmission ending of the downlink data on carrier resource; Described scheduling is upgraded signaling and is notified appointment UE by high-level signaling,Be used to indicate lower data transfer gravity treatment carrier wave used.

Preferably, described method also comprises: by high-level signaling by described scheduling upgrade signaling to specify UE itAfter, being switched on idle unauthorized carrier wave or mandate carrier wave of the transfer of data of base station and/or UE transmitted.

Preferably, can not exceed 10 seconds the switching time of described transfer of data, and cannot use at least 30 minutesThe unauthorized carrier wave of echo signal detected.

Preferably, described method also comprises: according to RRM (RatioResourceManagement, referred to asRRM) measurement result is determined following one of at least operation: community activation or deactivating operation, by described base station or UETransfer of data is switched to idle unauthorized carrier wave or authorizes carrier wave.

Preferably, described RRM measurement result is by finding that (DiscoveryReferenceSignal finds reference signalReference signal) DRS execution, and send by short control signal (ShortControlSignalling, referred to as SCS).

Preferably, described echo signal comprises: radar signal.

According to another aspect of the present invention, also provide a kind of Check processing method of signal, described method comprises: eventuallyEnd obtains the testing result to echo signal on unauthorized carrier resource, and wherein, described echo signal priority is higher than otherService signal, described other service signal is the signal except described echo signal on described unauthorized carrier resource; By instituteState testing result and report to base station, and in the time that described testing result instruction detects described echo signal, according to described detectionResult is dodged processing to described unauthorized carrier resource.

Preferably, obtain the testing result to echo signal on unauthorized carrier resource by one of following mode: described endEnd initiatively detects described echo signal on described unauthorized carrier resource; Under the triggering of allocate event, described terminal inspectionSurvey described echo signal; Described terminal detects described echo signal according to predefined sense cycle.

Preferably, described allocate event comprise following one of at least: receive configuration-direct, described terminal that base station sendsWhen the network side link interruption at place, the Signal to Interference plus Noise Ratio SINR that receives signal while being less than the first predetermined threshold value,When signal energy thresholding detected higher than the second predetermined threshold value, wherein, described configuration-direct is used for triggering described in UE detectionEcho signal.

Preferably, before described echo signal is detected, also comprise: the user equipment (UE) under the ownership of base stationUE is specified in middle selection, and wherein, described appointment UE is for detecting described echo signal.

Preferably, select to specify UE in the UE under the ownership of base station by one of following mode: by described UE according to workJumping property degree sorts, and selects the minimum UE of activity as described appointment UE; By described UE according to geographical positionSub-clustering selects respectively a UE as described appointment UE in each bunch; In the UE under base station ownership according to pollMode select described appointment UE; Using the UE under the ownership of described base station all as described appointment UE, wherein, described inSpecify UE according to the predetermined detection cycle, described echo signal to be detected.

Preferably, described configuration-direct is by Downlink Control Information DCI or the carrying of radio resource control RRC high-level signaling.

Preferably, described configuration-direct comprise following one of at least: instruction will be carried out the unauthorized of described target echo detectionThe information of frequency range or unauthorized carrier set, the detection time information that trigger aperiodic, the detection time information of cycle detection,Wherein, described triggering aperiodic is used to indicate described appointment UE and detects described echo signal with aperiodic form.

Preferably, described terminal is obtained the testing result of echo signal on described unauthorized carrier resource, comprising: according to inspectionThe energy threshold value measuring and the comparative result of first threshold judge whether to exist described echo signal, and/or according to measurementTo signal disturbed condition judge whether to exist described echo signal; And/or according to the measurement knot of finding reference signal DRSFruit judges whether to exist described echo signal.

Preferably, described method also comprises: in the channel estimating stage, if the signal pattern and the described echo signal that detectPulse is consistent, judges and has described echo signal, and judged result is reported to base station; At data transfer phase, asFruit finds that the error pattern of the Frame receiving is consistent with pulse period pattern corresponding to echo signal, and judgement exists instituteState echo signal, and result is reported to base station.

Preferably, described testing result is fed back to base station by mandate carrier wave at UCI or RRC high-level signaling.

Preferably, described terminal adopts one of following mode to feed back testing result: trigger periodic feedback, aperiodic feedback.

Preferably, according to described testing result, described unauthorized carrier resource being dodged to processing comprises: at channel estimatingIn the stage, if described echo signal detected, stop intercepting described unauthorized carrier resource, if institute do not detectedState echo signal, take described unauthorized carrier resource, and carry out upstream data biography on described unauthorized carrier resourceDefeated, in the resource occupation stage, if described echo signal detected, the control that the dynamic frequency that reception base station sends is movedInstruction.

Preferably, described control signal comprises: take termination signaling, wherein, described in take command for stopping, authorize carryOn ripple or described unauthorized carrier wave, send, be used to indicate UE according to receive described in take stop signaling stop described non-Authorize the transmission of upstream data and the reception of downlink data on carrier wave.

Preferably, described method also comprises: described control instruction also comprises: signaling is upgraded in scheduling, is passing through high-level signalingDescribed scheduling is upgraded to signaling to after specifying UE, by idle being switched to of the transfer of data of base station and/or UEOn unauthorized carrier wave or mandate carrier wave, transmit.

Preferably, described echo signal comprises: radar signal.

According to another aspect of the present invention, provide a kind of Check processing device of signal, be applied to base station, described dressPut and comprise: acquisition module, for obtaining the testing result to echo signal on unauthorized carrier resource, wherein, described orderThe mark priority class of traffic is higher than other service signal, and described other service signal is except described order on described unauthorized carrier resourceSignal outside mark signal; Processing module, in the time that described testing result instruction detects described echo signal, to describedUnauthorized carrier resource is dodged processing.

Preferably, described acquisition module, for detect described echo signal on described unauthorized carrier resource, obtains instituteState testing result; Also select to specify UE for the user equipment (UE) under the ownership of described base station, and trigger described fingerDetermine UE and detect described echo signal, receive the testing result that described appointment UE reports; Also under the base station ownershipThe testing result that UE reports after initiatively described echo signal being detected.

Preferably, described acquisition module comprises: the first selected cell, and for described UE is carried out according to activity degreeAfter sequence, select the minimum UE of activity as described appointment UE; The second selected cell, for by described UE according toAfter the sub-clustering of geographical position, in each bunch, select respectively a UE as described appointment UE; The 3rd selected cell, usesIn the UE under the ownership of base station, select described appointment UE according to the mode of poll; Determining unit, for by described baseThe all UE that stand under ownership are as described appointment UE, and wherein, all UE under the ownership of described base station are according to predetermined detectionCycle is detected described echo signal.

According to another aspect of the present invention, also provide a kind of Check processing device of signal, be applied to terminal, described inDevice comprises: acquisition module, and for obtaining the testing result to echo signal on unauthorized carrier resource, wherein, described inEcho signal priority is higher than other service signal, described other service signal be on described unauthorized carrier resource, remove described inSignal outside echo signal; Reporting module, for reporting to base station by testing result; Processing module, in described inspectionSurvey result and indicate when described echo signal detected, according to described testing result, described unauthorized carrier resource is dodgedProcess.

Preferably, described acquisition module is used for, and initiatively on described unauthorized carrier resource, detects described echo signal; AlsoFor under the triggering of allocate event, described terminal detects described echo signal; Also for all according to predefined detectionPhase is detected described echo signal.

Preferably, described acquisition module is following one of at least time for comprising at described allocate event, detects described target letterNumber: while receiving the network side link interruption at configuration-direct, described terminal place that base station sends, receive the signal of signalWhile being less than the first predetermined threshold value with interference plus noise than SINR, when signal energy thresholding detected higher than the second predetermined threshold value,Wherein, described configuration-direct is used for triggering UE and detects described echo signal.

Preferably, described device also comprises: select module, select to refer to for the user equipment (UE) under the ownership of base stationDetermine UE, wherein, described appointment UE is for detecting described echo signal.

Preferably, described selection module, comprising: the first selected cell, and for described UE is entered according to activity degreeAfter line ordering, select the minimum UE of activity as described appointment UE; The second selected cell, for by described UEAfter the sub-clustering of geographical position, in each bunch, select respectively a UE as described appointment UE; The 3rd selected cell,Select described appointment UE for the UE under the ownership of base station according to the mode of poll; Determining unit, described in inciting somebody to actionUE under base station ownership is all as described appointment UE, wherein, described appointment UE according to the predetermined detection cycle to describedEcho signal detects.

By the present invention, on unauthorized carrier resource, detect and whether have the echo signal that priority level is high, and then according toTesting result is dodged the technical scheme of processing on unauthorized carrier resource, has solved in correlation technique, unauthorizedOn carrier resource, how to avoid owing to sharing this unauthorized carrier wave money with other signals for the higher signal of priority levelSource causes the problem of serious co-channel interference, has realized LTE system in the time of the enterprising line operate of unauthorized carrier wave frequency range, target letterNumber monitor and detection and the particular problem of dodging, the close friend who has realized multisystem coexists, and can meet DFS in control simultaneously and wantAsk.

Brief description of the drawings

Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, the present inventionSchematic description and description be used for explaining the present invention, do not form inappropriate limitation of the present invention. In the accompanying drawings:

Fig. 1 is according to the flow chart of the Check processing method of the signal of the embodiment of the present invention;

Fig. 2 is according to the structured flowchart of the multi-user communication device of the CDMA of the embodiment of the present invention;

Fig. 3 is the structured flowchart again according to the multi-user communication device of the CDMA of the embodiment of the present invention;

Fig. 4 is the flow chart again according to the Check processing method of the signal of the embodiment of the present invention;

Fig. 5 is the structured flowchart again according to the Check processing device of the signal of the embodiment of the present invention;

Fig. 6 is according to the another structured flowchart of the Check processing device of the signal of the embodiment of the present invention;

Fig. 7 is the flow chart of the Check processing method of signal according to the preferred embodiment of the invention;

Fig. 8 is a flow chart again of the Check processing method of signal according to the preferred embodiment of the invention.

Detailed description of the invention

Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments. It should be noted that the feelings of not conflictingUnder condition, the feature in embodiment and embodiment in the application can combine mutually.

In order to make those skilled in the art person understand better the present invention program, attached below in conjunction with in the embodiment of the present inventionFigure, is clearly and completely described the technical scheme in the embodiment of the present invention, and obviously, described embodiment onlyThe embodiment of a part of the present invention, instead of whole embodiment. Based on the embodiment in the present invention, this area is commonTechnical staff is not making the every other embodiment obtaining under creative work prerequisite, all should belong to the present invention and protectThe scope of protecting.

A kind of Check processing method of signal is provided in the present embodiment, and Fig. 1 is according to the signal of the embodiment of the present inventionThe flow chart of Check processing method, as shown in Figure 1, this flow process comprises the steps:

Step S102, base station obtains the testing result to echo signal on unauthorized carrier resource, wherein, above-mentioned targetThe priority class of traffic is higher than other service signal, and above-mentioned other service signal is except above-mentioned target on above-mentioned unauthorized carrier resourceSignal outside signal;

Step S104, in the time that above-mentioned testing result instruction detects above-mentioned echo signal, above-mentioned base station is to above-mentioned unauthorizedCarrier resource is dodged processing.

By above-mentioned each step, on unauthorized carrier resource, detect whether there is the echo signal that priority level is high, enterAnd on unauthorized carrier resource, dodge the technical scheme of processing according to testing result, solve in correlation technique,On unauthorized carrier resource, how to avoid for the higher signal of priority level that this is unauthorized owing to sharing with other signalsCarrier resource causes the problem of serious co-channel interference, has realized LTE system in the time of the enterprising line operate of unauthorized carrier wave frequency range,Echo signal monitor and detection and the particular problem of dodging, the close friend who has realized multisystem coexists, and can meet in control simultaneouslyDFS requirement.

In embodiments of the present invention, step S102 can have multiple implementation, optional of the embodiment of the present inventionIn example, can realize in the following manner: above-mentioned echo signal is detected in base station on above-mentioned unauthorized carrier resource,To above-mentioned testing result; In user equipment (UE) under the ownership of above-mentioned base station, select to specify UE, and trigger above-mentioned appointmentUE detects above-mentioned echo signal, receives the testing result that above-mentioned appointment UE reports; Receive the use under the ownership of above-mentioned base stationThe testing result that family equipment UE reports after initiatively above-mentioned echo signal being detected.

That is to say, carrying out target echo detection in fact has four kinds of implementations:

Mode one, base station itself is carried out target echo detection voluntarily;

Mode two, base station triggers subordinate UE carries out target echo detection;

Mode three, UE independently carries out target echo detection;

Mode four, defines a unified silence period, and base station and UE examine echo signal within this time simultaneouslySurvey.

It should be noted that, above-mentioned four kinds of modes can be combined, to guarantee the accuracy in detection of echo signal.

In above-mentioned four kinds of modes, the UE under above-mentioned base station and above-mentioned base station ownership is according to predetermined period or aperiodicDetection mode is carried out above-mentioned target echo detection in above-mentioned unauthorized resource.

Cycle detection can be pre-configured, but not cycle detection need to the event of setting out trigger, and touch for above-mentionedThe event of sending out, the embodiment of the present invention provides following several situations:

When the network side link interruption of subscriber equipment under above-mentioned base station or ownership, receive the signal of signal and interference and add and make an uproarWhen acoustic ratio SINR is less than the first predetermined threshold value, when signal energy thresholding detected higher than the second predetermined threshold value.

Alternatively, the technical scheme of selecting to specify UE in the UE for base station under its ownership, the embodiment of the present invention is carriedSupply following implementation:

1) above-mentioned UE is sorted according to activity degree, select the minimum UE of activity as above-mentioned appointment UE;

2) by above-mentioned UE according to geographical position sub-clustering, in each bunch, select respectively a UE as above-mentioned appointment UE;In UE under the ownership of base station, select above-mentioned appointment UE according to the mode of poll;

3) using all UE under the ownership of above-mentioned base station as above-mentioned appointment UE, wherein, owning under the ownership of above-mentioned base stationUE detected above-mentioned echo signal according to the predetermined detection cycle.

Wherein, when above-mentioned appointment UE is while being multiple, the independent or division of labor of multiple above-mentioned appointment UE detects above-mentioned echo signal,Specify UE can each UE to bear respectively part task and complete the detection to echo signal.

In embodiments of the present invention, by having realized and triggered above-mentioned appointment UE to the mode of specifying UE distribution configuration commandDetect above-mentioned echo signal, wherein, above-mentioned configuration-direct is by Downlink Control Information DCI or radio resource control RRCHigh-level signaling carrying.

In the configuration order issuing to UE, can also comprise: instruction will be carried out the unauthorized frequency range of above-mentioned target echo detectionOr the information of unauthorized carrier set, aperiodic detection trigger detection time information, the detection time information of cycle detection,Wherein, detection trigger was used to indicate above-mentioned appointment UE and detected above-mentioned echo signal with aperiodic form above-mentioned aperiodic,And for above-mentioned detection time information, the embodiment of the present invention is preferably determined by following parameter: sense cycle and sense cycleSkew.

Alternatively, above-mentioned configuration-direct also comprise following one of at least: above-mentioned the first predetermined threshold value, the above-mentioned second default thresholdValue, type, signal type that above-mentioned trigger event is corresponding, wherein, signal type comprises: echo signal, other businessSignal.

It should be noted that, above-mentioned configuration order might not send on unauthorized carrier wave, and above-mentioned configuration signal existsAuthorize on carrier wave or unauthorized carrier wave and send, and the testing result reporting for above-mentioned appointment UE is from ascending control informationIn UCI or up RRC high layer information, obtain.

Certainly, specifying UE to report testing result is also to pass through the form of non-periodic feedback and the form of periodic feedbackReport, can pre-define the form feedback that adopts periodic feedback, can also pre-define the value of feedback cycle,And be to trigger by the form of trigger event for non-periodic feedback.

After having got the testing result of echo signal, for how according to testing result, unauthorized carrier wave to be carried outProcess, the embodiment of the present invention provides following several situations (following situation can be combined when needed):

One,, in the time above-mentioned echo signal being detected, above-mentioned base station sends broadcast signaling and notifies other websites, wherein, above-mentionedOther websites are interior other base stations except above-mentioned base station of the network at place, above-mentioned base station, and wherein, broadcast signaling is by authorizingThe common signal channel of carrier wave or the carrying of the common signal channel of unauthorized carrier wave;

Two, in the channel estimating stage, if above-mentioned echo signal detected, stop intercepting above-mentioned unauthorized carrier resource,If above-mentioned echo signal do not detected, take above-mentioned unauthorized carrier resource or random back above-mentioned unauthorized yearRipple resource;

Three,, in the resource occupation stage, if above-mentioned echo signal detected, carry out following one of at least operation: sendCarry out control signal that dynamic frequency moves, carry out that off operation is closed in community, community is activated or deactivating operation, ifAbove-mentioned echo signal do not detected, hold over above-mentioned unauthorized carrier resource.

In above-mentioned the third situation carry out control signal that dynamic frequency moves comprise following one of at least: take terminationSignaling is upgraded in signaling and scheduling, and wherein, take termination signaling and send on mandate carrier wave or above-mentioned unauthorized carrier wave, forIndicate the transmission ending of the downlink data on above-mentioned unauthorized carrier resource; Above-mentioned scheduling is upgraded signaling and is led to by high-level signalingKnow and specify UE, be used to indicate lower data transfer gravity treatment carrier wave used.

The embodiment of the present invention is the further improvement of technique scheme, by high-level signaling, above-mentioned scheduling is being upgradedSignaling is given and is specified after UE, by the transfer of data of base station and/or UE be switched to idle unauthorized carrier wave orAuthorize on carrier wave and transmit, wherein, can not exceed 10 seconds the switching time of above-mentioned transfer of data, and at least 30In minute, cannot use the unauthorized carrier wave that echo signal detected.

Operation for mentioning in above-described embodiment: community activation or deactivating operation, by the data of above-mentioned base station or UETransmission is switched to idle unauthorized carrier wave or authorizes carrier wave, and what the embodiment of the present invention provided carries out really according to following parameterFixed: according to RRM RRM measurement result, above-mentioned RRM measurement result is held by finding reference signal DRSOK, and by short control signal SCS send.

It should be noted that, in the embodiment of the present invention, the above-mentioned echo signal of mentioning is preferably radar signal, can certainlyFor the higher signal of other priority levels.

It should be noted that, for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as a series ofCombination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement,Because according to the present invention, some step can adopt other orders or carry out simultaneously. Secondly, those skilled in the art alsoShould know, the embodiment described in description all belongs to preferred embodiment, and related action and module might notEssential to the invention.

The Check processing device that a kind of signal is also provided in the present embodiment, is applied to base station, can be applied to above-mentioned letterNumber Check processing procedure in, this device is used for realizing above-described embodiment and preferred embodiment, has carried out sayingBright repeats no more. As used below, the software of predetermined function and/or hardware can be realized in term " module "Combination. Although the described device of following examples is preferably realized with software, hardware, or software and hardwareCombination realization also may and conceived.

Fig. 2 is according to the structured flowchart of the Check processing device of the signal of the embodiment of the present invention, as shown in Figure 2, and this deviceComprise:

Acquisition module 20, for obtaining the testing result to echo signal on unauthorized carrier resource, wherein, above-mentioned targetThe priority class of traffic is higher than other service signal, and above-mentioned other service signal is except above-mentioned target on above-mentioned unauthorized carrier resourceSignal outside signal;

Processing module 22, is connected with acquisition module 20, for above-mentioned echo signal being detected in above-mentioned testing result instructionTime, above-mentioned unauthorized carrier resource is dodged to processing.

By the comprehensive function of above-mentioned modules, get on unauthorized carrier resource and detect and whether deposit at acquisition moduleAfter the high echo signal of priority level, and then processing module 22 is carried out on unauthorized carrier resource according to testing resultDodge the technical scheme of processing, solved in correlation technique, on unauthorized carrier resource, higher for priority levelSignal how to avoid causing the problem of serious co-channel interference owing to sharing this unauthorized carrier resource with other signals, realizeLTE system in the time of the enterprising line operate of unauthorized carrier wave frequency range, echo signal monitor and detection and the particular problem of dodging, realThe close friend who has showed multisystem coexists, and can meet DFS requirement in control simultaneously.

Alternatively, acquisition module 20, for detect above-mentioned echo signal on above-mentioned unauthorized carrier resource, obtains above-mentionedTesting result; Also select to specify UE for the user equipment (UE) under the ownership of above-mentioned base station, and trigger above-mentioned appointmentUE detects above-mentioned echo signal, receives the testing result that above-mentioned appointment UE reports; Also for obtaining under the ownership of base stationThe testing result that UE reports after initiatively above-mentioned echo signal being detected.

In embodiments of the present invention, as shown in Figure 3, acquisition module 20 comprises: the first selected cell 200, for byAfter stating UE and sorting according to activity degree, select UE that activity is minimum as above-mentioned appointment UE; Second selectsUnit 202, for by above-mentioned UE according to geographical position sub-clustering after, in each bunch, select respectively a UE as onState and specify UE; The 3rd selected cell 204, selects above-mentioned finger for the UE under the ownership of base station according to the mode of pollDetermine UE; Determining unit 206, for using all UE under the ownership of above-mentioned base station as above-mentioned appointment UE, wherein, onThe all UE that state under the ownership of base station detected above-mentioned echo signal according to the predetermined detection cycle.

In order to improve technique scheme, a kind of Check processing method of signal is provided in the present embodiment, be applied to endDistolateral, Fig. 4 is according to the flow chart of the Check processing method of the signal of the embodiment of the present invention, as shown in Figure 4, and this flow processComprise the steps:

Step S402, terminal is obtained the testing result to echo signal on unauthorized carrier resource, wherein, above-mentioned targetThe priority class of traffic is higher than other service signal, and above-mentioned other service signal is except above-mentioned target on above-mentioned unauthorized carrier resourceSignal outside signal;

Step S404, reports to base station by above-mentioned testing result, and above-mentioned target detected in above-mentioned testing result instructionWhen signal, according to above-mentioned testing result, above-mentioned unauthorized carrier resource is dodged to processing.

By above-mentioned each step, whether terminal exists priority level high getting on unauthorized carrier resource to detectAfter echo signal, testing result is reported to network side (base station), enterprising at unauthorized carrier resource according to testing resultRow is dodged the technical scheme of processing, has solved in correlation technique, on unauthorized carrier resource, for priority level comparisonHow high signal is avoided owing to sharing with other signals the problem that this unauthorized carrier resource causes serious co-channel interference, realShow LTE system in the time of the enterprising line operate of unauthorized carrier wave frequency range, echo signal monitor and detection and the particular problem of dodging,The close friend who has realized multisystem coexists, and can meet DFS requirement in control simultaneously.

In embodiments of the present invention, step S402 can have multiple implementation, optional of the embodiment of the present inventionIn example, can there is following multiple implementation: above-mentioned terminal initiatively detects above-mentioned order on above-mentioned unauthorized carrier resourceMark signal; Under the triggering of allocate event, above-mentioned terminal detects above-mentioned echo signal; Above-mentioned terminal is according to predefinedSense cycle detects above-mentioned echo signal.

Wherein, above-mentioned allocate event comprise following one of at least: receive configuration-direct, above-mentioned terminal institute that base station sendsNetwork side link interruption time, when receiving the Signal to Interference plus Noise Ratio SINR of signal and being less than the first predetermined threshold value,When signal energy thresholding detected higher than the second predetermined threshold value, wherein, above-mentioned configuration-direct is used for triggering UE and detects above-mentionedEcho signal.

Before step S304, can also carry out following process: in the user equipment (UE) under the ownership of base station, select to refer toDetermine UE, wherein, above-mentioned appointment UE is for detecting above-mentioned echo signal.

2) by above-mentioned UE according to geographical position sub-clustering, in each bunch, select respectively a UE as above-mentioned appointment UE;

3) in the UE under the ownership of base station, select above-mentioned appointment UE according to the mode of poll;

4) UE under above-mentioned base station belongs to is all as above-mentioned appointment UE, and wherein, above-mentioned appointment UE is according to predeterminedSense cycle detects above-mentioned echo signal.

Alternatively, above-mentioned configuration-direct, comprise following one of at least: instruction will be carried out the non-of above-mentioned target echo detection and awardThe detection moment letter of the information of power frequency range or unauthorized carrier set, the detection time information that trigger aperiodic, cycle detectionBreath, wherein, above-mentioned triggering aperiodic is used to indicate above-mentioned appointment UE and detects above-mentioned echo signal with aperiodic form,By Downlink Control Information DCI or the carrying of radio resource control RRC high-level signaling, and carrier wave or non-can authorizedAuthorize on carrier wave and send.

Above-mentioned terminal is obtained the testing result of echo signal on above-mentioned unauthorized carrier resource, at one of the embodiment of the present inventionIn example, can judge whether to exist echo signal by one of following situation: according to the energy threshold value detecting andThe comparative result of one threshold value judges whether to exist above-mentioned echo signal, and/or according to the signal disturbed condition judgement measuringWhether there is above-mentioned echo signal; And/or judge whether to exist above-mentioned order according to the measurement result of finding reference signal DRSMark signal.

Particularly, in terminal during in the channel estimating stage, if the signal pattern and the above-mentioned echo signal pulse one that detectCause, judge and have above-mentioned echo signal, and judged result is reported to base station; In terminal during in data transfer phase,If find that the error pattern of the Frame receiving is consistent with pulse period pattern corresponding to echo signal, judgement existsAbove-mentioned echo signal, and result is reported to base station.

Wherein, can above-mentioned testing result be existed by mandate carrier wave by the form of periodic feedback or non-periodic feedbackUCI or RRC high-level signaling feed back to base station.

In an example of the embodiment of the present invention, step S404 can have multiple implementation: in the channel estimating stage,If above-mentioned echo signal detected, stop intercepting above-mentioned unauthorized carrier resource, if above-mentioned target do not detectedSignal, takies above-mentioned unauthorized carrier resource, and carries out transmitting uplink data on above-mentioned unauthorized carrier resource,The resource occupation stage, if above-mentioned echo signal detected, the control instruction that the dynamic frequency that reception base station sends is moved.

In the above-described embodiments, in control signal, can carry and take termination signaling, wherein, the above-mentioned command for stopping that takies,On mandate carrier wave or above-mentioned unauthorized carrier wave, send, be used to indicate UE and stop signaling eventually according to above-mentioned the taking receivingStop the transmission of upstream data and the reception of downlink data on above-mentioned unauthorized carrier wave, above-mentioned control instruction can also carrySignaling is upgraded in scheduling, above-mentioned scheduling being upgraded by high-level signaling to signaling to after specifying UE, by base station and/Or on the unauthorized carrier wave that is switched to the free time of the transfer of data of UE or mandate carrier wave, transmit above-mentioned transfer of dataSwitching time can not exceed 10 seconds, and at least 30 minutes, cannot use and unauthorized year of echo signal detectedRipple.

In order better to realize technique scheme, a kind of Check processing device of signal is also provided in the embodiment of the present invention,Be applied to terminal, Fig. 5 is the structured flowchart again according to the Check processing device of the signal of the embodiment of the present invention, as Fig. 5Shown in, comprising:

Acquisition module 50, for obtaining the testing result to echo signal on unauthorized carrier resource, wherein, above-mentioned targetThe priority class of traffic is higher than other service signal, and above-mentioned other service signal is except above-mentioned target on above-mentioned unauthorized carrier resourceSignal outside signal;

Reporting module 52, is connected with acquisition module 50; For testing result is reported to base station;

Processing module 54, in the time that above-mentioned testing result instruction detects above-mentioned echo signal, according to above-mentioned testing resultAbove-mentioned unauthorized carrier resource is dodged to processing.

By the comprehensive function of above-mentioned modules, terminal get on unauthorized carrier resource detect whether exist excellentAfter the high echo signal of first rank, testing result is reported to network side (base station), according to testing result at unauthorized yearIn ripple resource, dodge the technical scheme of processing, solved in correlation technique, on unauthorized carrier resource, for excellentHow the higher signal of first rank is avoided causing serious in frequently dry owing to sharing this unauthorized carrier resource with other signalsThe problem of disturbing, has realized LTE system in the time of the enterprising line operate of unauthorized carrier wave frequency range, echo signal monitor and detection and dodgingParticular problem, the close friend who has realized multisystem coexists, and simultaneously can meet DFS requirement in control.

Alternatively, acquisition module 50 can be for, initiatively on above-mentioned unauthorized carrier resource, detects above-mentioned echo signal;Also, under the triggering of allocate event, above-mentioned terminal detects above-mentioned echo signal; Also for according to predefined detectionThe above-mentioned echo signal of cycle detection.

The embodiment of the present invention is the further improvement of technique scheme, above-mentioned allocate event comprise following one of at least:While receiving the network side link interruption at configuration-direct, above-mentioned terminal place that base station sends, the signal that receives signal is with dryDisturb plus noise while being less than the first predetermined threshold value than SINR, when signal energy thresholding detected higher than the second predetermined threshold value, itsIn, above-mentioned configuration-direct is used for triggering UE and detects above-mentioned echo signal.

As shown in Figure 6, said apparatus also comprises: select module 56, for the user equipment (UE) under the ownership of base stationSelect to specify UE, wherein, above-mentioned appointment UE is for detecting above-mentioned echo signal.

Preferably, above-mentioned selection module 56, comprising: the first selected cell 560, for by above-mentioned UE according to activityAfter degree sorts, select the minimum UE of activity as above-mentioned appointment UE; The second selected cell 562, for inciting somebody to actionAbove-mentioned UE according to geographical position sub-clustering after, in each bunch, select respectively a UE as above-mentioned appointment UE; The 3rd choosingSelect unit 564, select above-mentioned appointment UE for the UE under the ownership of base station according to the mode of poll; Determining unit566, for using the UE under the ownership of above-mentioned base station all as above-mentioned appointment UE, wherein, above-mentioned appointment UE is according in advanceDetermining sense cycle detects above-mentioned echo signal.

For the Check processing process of the signal that better the above-mentioned base station side of understanding and end side complete, below in conjunction with preferred realityExecuting example describes:

For the mode of base station triggers UE, as shown in Figure 7, the method comprises following step for base station side:

Step S702: base station selected object UE is carried out signal detection;

Preferably, when selection, will meet certain rule, it is one of following that above-mentioned rule comprises:

UE is sorted by enlivening high low degree, select the lower UE of activity to carry out the detection of echo signal;

Or according to geographical position sub-clustering, select respectively a UE to carry out target echo detection in each bunch UE;

Or adopt the mode of poll to select;

Or all UE are to target echo detection, and each UE detects according to predefined sense cycle.

Preferably, selected UE need to detect echo signal according to configuration information, and result is reported to baseStand.

This testing process can detect the whole cycle by each UE, and then base station is sentenced according to most principlesDisconnected result, the UE that also can the select detection in the whole cycle of having shared out the work and help one another, in each UE sense cycleTime minor cycle, base station integrates the reported result of all UE to judge.

For these two kinds of modes, the sense cycle difference of base station configuration.

Step S704: it is relevant that base station is detected to UE transmitted signal in authorizing carrier wave or unauthorized carrier wave or arranging carrier waveSignaling;

This signaling is by DCI or the carrying of RRC high-level signaling.

Preferably, above-mentioned configuration signal comprises the unauthorized frequency range of the target that will detect or carrier set instruction.

Preferably, above-mentioned signaling comprises the detection time information that trigger aperiodic and the cycle configures.

Preferably, the detection triggering above-mentioned aperiodic is by DCI Dynamic trigger, and above-mentioned cycle detection is by RRC high levelMessage arrangement, semi-static.

Preferably, trigger signaling aperiodic and do the moment that unauthorized carrier wave is seized in base station, or trigger UE and do unauthorizedThe moment that carrier wave is seized, or account for the laggard row data transfer phase of unauthorized carrier wave and send robbing.

Step S706: base station receives the signal detection knot that UE sends in authorizing carrier wave or unauthorized carrier wave or arranging carrier waveReally, and according to result carry out subsequent operation;

Preferably, base station receives UE authorizing in UCI on carrier wave or unauthorized carrier wave or up RRC higher layer messageThe testing result reporting.

Concrete, can adopt the implicit instruction of existing UCI or show instruction by defining special bit.

Optionally, the testing result of UE also comprises UE oneself and initiatively carries out the result of signal detection.

Preferably, follow-up associative operation comprises following content:

If the echo signal of detecting, this information is broadcasted by the common signal channel of authorizing carrier wave or unauthorized carrier wave in base station, logicalThe website of knowing other need to be DFS.

Concrete, in the channel estimating stage, base station, according to the signal detecting result reporting, stops carrier sense or carrier waveResource occupation, if echo signal do not detected, this channel is available carrier wave, can carry out corresponding to this carrier waveOperation, such as competition rollback, or transfer of data.

In the resource occupation stage, base station sends and takies accordingly termination signaling according to the testing result reporting.

Concrete, the above-mentioned transmission ending that takies termination signaling instruction scheduling up-downgoing data, and this signaling is being authorized carrier waveOr send on direct above-mentioned unauthorized carrier wave.

And notify gravity treatment carrier wave by high-level signaling. Base station/UE forwards that on idle unauthorized carrier wave, to carry out transfer of data (excellent toSelect adjacent carriers), and can not exceed 10s the switching time of transfer of data. And can not use this year at 30mines at leastRipple.

Preferably, above-mentioned subsequent operation also comprises execution community, base station shutoff operation, and deexcitation is activated in community.

Preferably, above-mentioned reprovision carrier wave is determined according to RRM measurement result.

Preferably, above-mentioned RRM measures and is undertaken by DRS, and sends by SCS.

Preferably, above-mentioned target detection signal comprises radar signal.

When above-mentioned base station triggers UE detects, target echo detection also can be carried out in base station oneself simultaneously, knotClose the result comprehensive assessment that UE reports, more accurate like this, avoid base station to can't detect echo signal carrier wave is madeThe interference that used time causes.

The detection method of a kind of signal that the preferred embodiment of the present invention provides, as shown in Figure 8, the method is for end side bagDraw together following step:

Step S802: terminal receives the relevant configuration indication signaling of signal detection;

Preferably, above-mentioned signaling is by authorizing carrier wave or unauthorized carrier wave to send.

Preferably, signaling is by DCI or the carrying of RRC high-level signaling.

Concrete, above-mentioned configuration signal comprises the unauthorized frequency range of the target that will detect or carrier set instruction.

Concrete, above-mentioned signaling comprises the detection time information that trigger aperiodic and the cycle configures.

Concrete, the detection triggering above-mentioned aperiodic is by DCI Dynamic trigger, and above-mentioned cycle detection is by RRC high levelMessage arrangement, semi-static.

Concrete, trigger signaling aperiodic and do the moment that unauthorized carrier wave is seized in base station, or trigger UE and do unauthorizedThe moment that carrier wave is seized, or account for the laggard row data transfer phase of unauthorized carrier wave and send robbing.

Optionally, silence period when configuration signal also comprises the mode that base station and UE detect simultaneously.

Step S804: terminal, according to the indication signaling of configuration, is carried out the detection of echo signal on corresponding unauthorized carrier wave.

Concrete, UE does signal detection according to the moment that signaling or predefined cycle specify at designated carrier.

Preferably, UE follows threshold value comparison according to the energy detecting, or according to the disturbed condition judgement measuring isNo have an echo signal.

Preferably, in the CCA stage, if the signal pattern detecting is consistent with radar pulse, result is reported to baseStand.

At data transfer phase, if UE finds that the error pattern of the Frame receiving is consistent with the cycle of radar pulse,Reporting base station has radar.

Or, judged whether above-mentioned signal by DRS measurement.

Step S806: terminal reports measurement result base station and carries out follow-up associative operation.

Preferably, UE feeds back to base station by mandate carrier wave at UCI or RRC high-level signaling by testing result.

Concrete, can adopt the implicit instruction of existing UCI or show instruction by defining special bit. This is anti-The feedback moment can be cycle non-periodic feedback configuration or base station triggers.

Optionally, also can be by ascending physical signal shared channel PUSCH carrying for non-periodic feedback.

Preferably, testing result need to be reported to UE in the CCA stage, at data transfer phase, only thunder detectedWhen reaching, just report, do not detect and do not need to report.

Preferably, if the echo signal of detecting, UE needs to stop above-mentioned according to the above-mentioned termination signaling that takies receivingThe transmission of the upstream data on unauthorized carrier wave and the reception of downlink data.

Concrete, this signaling is being authorized carrier wave or directly on above-mentioned unauthorized carrier wave, is receiving.

Concrete, UE, according to the reprovision carrier wave of high-level signaling notice, forwards the idle enterprising line number of unauthorized carrier wave to reportedlyDefeated (preferably adjacent carriers) or reception, and can not exceed 10s the switching time of transfer of data. And at 30mines at leastCan not use this carrier wave.

Preferably, above-mentioned RRM measures by DRS (DiscoveryReferenceSignal finds reference signal) and is undertaken,And send by SCS (ShortControlSignalling, short control signal).

Preferably, above-mentioned target detection signal comprises radar signal.

Preferred embodiment one

The present embodiment is selected and evaluation stage channel, before establishing a communications link, and the tool of the detection method of echo signalBody process describes.

A kind of detection method implementation process of signal, particularly radar signal is as follows:

The unauthorized carrier wave frequency range of target that carries out signal detection is determined in base station first, such as 5250MHz is to 5350MHzOr 5470MHz is to 5725MHz.

Concrete, base station can be divided into frequency range multiple subchannels, such as M sub-channels, and the band of every sub-channelsWide is 20,40,80,160MHz.

And by the frequency range of target detection by signaling to UE.

Then, the N that carries out a signal detection UE of base station selected triggering.

Selection principle is: UE is sorted by enlivening high low degree, select the lower UE of activity to carry out target letterNumber detection; Or according to geographical position sub-clustering, select respectively a UE to carry out echo signal inspection in each bunch UESurvey; Or adopt the mode of poll to select. Or all UE are to target echo detection, and each UE is according to predefinedSense cycle detects. Then the UE that base station is selected by signaling is scheduled to the echo signal of unauthorized frequency rangeDetection. This signaling is by authorizing carrier wave or agreement carrier wave or common signal channel to transmit. The information of this signaling bearComprise: the carrier set of target detection, sense cycle configuration information. Wherein, what sense cycle can be for cycle configuration,Also can be for aperiodic configuration, or the two combination.

Concrete, whole sense cycle can be divided into several time periods, the mode of multiple UE time-divisions of selection is to orderMark signal detects. Then, multiple UE carry out carrying out on given carrier wave the detection of echo signal according to signaling.

Concrete, UE can judge disturbing according to receiving signal. Such as, by utilizing reference signal to estimateMeter, or directly channel is carried out to energy judgement. Testing result is reported base station by each UE. Concrete, pass throughUCI or RRC high layer information report.

Concrete, can adopt the implicit instruction of existing UCI or show instruction by defining special bit. This is anti-The feedback moment can be cycle non-periodic feedback configuration or base station triggers. Also can be by up for non-periodic feedbackPhysical Shared Channel PUSCH carrying.

Then, the feedback information that base station reports UE carries out comprehensively, carries out with the transmission cycle pattern of predefined signalContrast. If with the transmission cycle coupling of signal, explanation has this signal to send, if do not mated, proving does not have targetDetection signal sends.

If echo signal do not detected, such as radar signal. And the energy threshold detecting is less than predefined threshold valueTwo, prove this channel idle, base station can send immediately Seize ACK message or carry out competition fallback mechanism.

If echo signal detected on this UC1, this channel of base station is set to unavailable channel, below stoppingCompetition rollback, and give other website by this information broadcasting, comprise all devices that participates in the competition of unauthorized carrier resource.

This broadcast message can send by common signal channel, or sends by Physical Broadcast Channel.

All websites all can not use this channel in follow-up 30 minutes.

This preferred embodiment one helps base station detection radar signal by triggering UE, can get rid of like this base station and not surveyTo radar signal, and the UE of diverse location detects radar, and then this result is broadcast to other websites around by base station,Thereby while having avoided LTE system to utilize unauthorized carrier wave for the interference of radar.

Preferred embodiment two

This preferred embodiment and to the unlicensed spectrum channel occupancy stage, the detailed process of the detection method of echo signal is carried outExplanation.

, in the relevant operation of above-mentioned unauthorized transmission, also need to continue echo signal to carry out monitor and detection in data,To identify in time echo signal, do dynamic frequency selection, in order to avoid this signal is caused to interference.

Suppose that base station robs and account for unauthorized carrier wave UC1 in n-hour, this is seized and can seize for the terminal of base station under controllingThe resource arriving. Base station utilizes this carrier wave to carry out data dispatch transmission, can be descending also can be for up.

Suppose that the multiple downlink data block of base station scheduling transmit on this carrier wave. In transmitting procedure, need to configure some UECarry out echo signal, such as the coherent detection of radar signal, to prevent, radar is caused to interference.

The UE of concrete configuration can select M UE in connected state (preferably downlink data receiving on this carrier wave, or other UE UE). And will trigger configuration information by signaling notifies to UE. UE according to information when correspondingCarve carrier wave is carried out to target echo detection.

Concrete, UE follows predefined thresholding comparison according to the SINR value of the data that receive, if meet echo signalDetection threshold, be judged as echo signal in transmission, or utilized the downlink reference signal that receives to measure,To judging according to measurement result.

Suppose to detect radar signal, UE reports testing result. Can be by authorizing carrier wave or unauthorized yearRipple feeds back to base station at UCI or RRC high-level signaling. Concrete, can adopt the implicit instruction of existing UCI or logicalCross and define special bit and show instruction. Base station is sent out immediately according to this information on mandate carrier wave or this unauthorized carrier waveThe instruction of sending scheduling to stop, simultaneously by unauthorized other UC2 that transfer to carrier index notice UE.

The UC2 of this selection is here in the unauthorized carrier set of free time confirmed of base station. Then, base stationContinue on UC2, carry out the transmission of downlink data or re-start scheduled transmission, UE is according to indicating at corresponding year simultaneouslyOn ripple, continue downlink data receiving. Or base station directly adopts the mode of community off to close original UC1, activateSCellUC2。

By this preferred embodiment two, can find out that, under UE supplementary mode, base station can detect radar signal, fromAnd carry out dynamic frequency transfer, avoid the impact that the high business of this priority of radar is transmitted.

Preferred embodiment three

This preferred embodiment three is described in detail the related relevant mutual signaling of a kind of detection method of signal.

The detection method of signal comprises following signaling content one of at least: UE triggers the signaling that configuration is relevant, UETesting result is reported to the feedback signaling of base station, base station is broadcast to signal detecting result the signaling of other websites, also hasThe configuration signal of relevant silence period under the mode of mourning in silence.

For configure trigger signaling, comprise the target carrier that UE need to measure, and measuring period.

Concrete, can use the carrier wave indication bit territory (CarrierIndicatorbitField, referred to as CIF) in DCIReservation bit state carry the target carrier indication signaling of above-mentioned detection. Or define special bit field and indicate, non-The special bit field carrying that the sense cycle of cycle triggering also defines by DCI, the cycle RRC high level that passes through of configuration disappearsBreath notice is to UE.

For the feedback information that reports testing result, can indicate such as ACK/NACK is implicit by UCI, orIn CSI feedback, define 1bit and indicate, or by defining special bit field carrying in up RRC higher layer message,Or

The signaling of giving other websites for broadcast testing result, base station can be by eating dishes without rice or wine or utilizing existing physical channelAuthorizing peripherad website on carrier wave or unauthorized carrier wave or agreement carrier wave common signal channel to send.

Concrete, proprietary signal can be passed through in base station, such as Seize ACK message carries the information that radar signal detected.In addition, base station can also send by physical layer descending control signal (DCI), and this signaling is public by (E) PDCCHSearch volume carrying, and by the Radio Network Temporary Identifier (RadioNetworkTemporary of special agreementIdentifier, referred to as RNTI) scrambling.

For the configuration signal of relevant silence period under the mode of mourning in silence, be semi-static configuration, by RRC higher layer messageNotice is to UE.

This preferred embodiment three has been described in detail the signaling relating to, between base station and base station, and base station andSignalling exchange between UE, can guarantee that LTE system completes and prepares to detect radar signal, has guaranteed Detection accuracy.

Preferred embodiment four

The trigger condition that this preferred embodiment detects echo signal describes.

Detection can be the cycle, can be also to trigger aperiodic, and base station/UE can be according to the busy-idle condition of oneself,In the more idle moment, radar signal is detected.

In addition, base station/UE can also judge whether to carry out the detection of echo signal according to linking status. Such as,UE catches sight of signal and declines rapidly or disturb especially severe, should carry out immediately the detection of echo signal.

In the channel estimating stage, base station/UE can carry out detections of radar and the judgement of channel busy to multiple channels simultaneously. CanTo predefine two detection threshold or threshold value.

Such as, predefined two threshold value k1, k2 (k1 < k2). If detected energy thresholding, higher than k2, is judged as radarSignal, if between k1 and k2, taken by other website for channel, if be less than k1, channel is not busy, canThe competition rollback operation that carries out resource occupation or be correlated with.

At data transfer phase, base station/UE can also compare and sentence with threshold value according to the SINR value of the data that receiveWhether disconnected have echo signal to send.

Such as, predefined two threshold value t1, t2 (t1 < t2), if SINR value is less than t1, judgement has radar signal to send outSend, if between t1 and t2, the mistake causing for decoding, if be greater than t2, receives correct.

If the radar signal of detecting, can signaling bit or other implicit mode be notified to UE by showing andOther surrounding's website.

Display mode can realize by reserved PHICH resource or physical layer DCI. Implicit mode, can be by straightReceiving and sending new carrier wave instruction realizes.

Preferred embodiment five

The mode that this preferred embodiment five is shared out the work and help one another to the multiple UE of base station triggers is said the detection method of radar signalBright.

Suppose UE by predefined rules selection UE1, UE2, UE3, UE4, these 5 UE of UE5 carry outThe detection of radar signal.

Need base station assigns good and by the each UE of signaling for section detection time of each UE.

The cycle of supposing the longest radar signal is T, and section detection time of 5 UE of base station configuration can be UE1[t1, t2],UE2 (t2, t3), UE3[t3, t4], UE4 (t4, t5), UE5[t5, t6] and, wherein t6-t1 > T. Be that each UE detects whereinOne continuous time section. Or also can be each UE detect multiple discrete time periods, but all UE are while detectingBetween section a cumulative sum be greater than T.

Meanwhile, signaling will be crossed to UE by this information exchange in base station, and this information is included in and triggers in signaling.

Concrete, can predefine the mapping table of the sense cycle that one-period index and each index comprise, base stationOnly need periodic key to notify to UE.

Then UE detects radar signal according to being configured in the corresponding time period, and testing result is reported to base station.Base station comprehensively judges according to result.

Special, at data transfer phase, the NACK value that can feed back by each UE and the moment of detecting are followed radarThe cycle pattern of signal compares to have judged whether that radar signal sends.

Share out the work and help one another and carry out the detection mode of echo signal by this multiple UE, on the one hand can be by power consumption mean allocation,Can improve on the other hand the accuracy of testing result.

Preferred embodiment six

This preferred embodiment six is described the process of Radar Signal Detection the mode that adopts unified silence period.

Predefined one or more silence period, which cycle base station specifically adopts by RRC higher layer message notice UE.In this silence period, all base stations and subordinate UE all carry out muting operation, and radar signal is detected.

The method can farthest ensure the accuracy of measurement result, but transfer of data is exerted an influence, can be in conjunction withOther detection method is combined use.

By the technical scheme of the embodiment of the present invention, solve LTE system and carried out unauthorized carrier resource and carry out resource occupationThe problem that need to avoid the signal transmission that priority is high, has reached the coordination utilization to unauthorized carrier wave in wireless communication system,Guarantee to coexist with the close friend of other system, can meet the requirement of DFS in control simultaneously.

Alternatively, all or part of step of above-described embodiment also can realize with integrated circuit, and these steps canBe made into respectively integrated circuit modules one by one, or the multiple modules in them or step are made into single integrated electricRoad module realizes. Like this, the present invention is not restricted to any specific hardware and software combination.

In another embodiment, also provide a kind of software, this software is used for carrying out above-described embodiment and preferably implementsThe technical scheme of describing in mode.

In another embodiment, also provide a kind of storage medium, in this storage medium, stored above-mentioned software, shouldStorage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.

It should be noted that the term " first " in description of the present invention and claims and above-mentioned accompanying drawing, " second "Deng being for distinguishing similar object, and needn't be used for describing specific order or precedence. Should be appreciated that such useObject suitably in situation, can exchange so that embodiments of the invention described herein can be with except diagram hereOr describe those beyond order implement. In addition, term " comprises " and " having " and their any distortion, intentionBe to cover not exclusive comprising, for example, the process that comprised series of steps or unit, method, system, product orThose steps or unit that equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for theseOther step or unit that process, method, product or equipment are intrinsic.

The embodiment of the present invention has reached following technique effect: solves in correlation technique, and on unauthorized carrier resource, rightHow to avoid causing serious same owing to sharing this unauthorized carrier resource with other signals in the higher signal of priority levelFrequently the problem of disturbing, has realized LTE system in the time of the enterprising line operate of unauthorized carrier wave frequency range, echo signal monitor and detection andThe particular problem of dodging, the close friend who has realized multisystem coexists, and can meet DFS requirement in control simultaneously.

Obviously, it is apparent to those skilled in the art that above-mentioned of the present invention each module or each step can be with generalCalculation element is realized, and they can concentrate on single calculation element, or is distributed in multiple calculation element and formsNetwork on, alternatively, they can be realized with the executable program code of calculation element, thereby, can be by themBe stored in storage device and carried out by calculation element, and in some cases, can hold with the order being different from hereinThe shown or described step of row, or they are made into respectively to each integrated circuit modules, or many by themIndividual module or step are made into single integrated circuit module and realize. Like this, the present invention is not restricted to any specific hardwareWith software combination.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the technology of this areaPersonnel, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, that does is anyRevise, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims

1. a Check processing method for signal, is characterized in that, described method comprises:

Base station obtains the testing result to echo signal on unauthorized carrier resource, and wherein, described echo signal is preferentialLevel is higher than other service signal, and described other service signal is except described echo signal on described unauthorized carrier resourceOuter signal;

In the time that described testing result instruction detects described echo signal, described base station is to described unauthorized carrier resourceDodge processing.

2. method according to claim 1, is characterized in that, base station obtains echo signal on unauthorized carrier resourceTesting result, comprise one of following:

Described echo signal is detected in described base station on described unauthorized carrier resource, obtains described testing result;

In user equipment (UE) under the ownership of described base station, select to specify UE, and trigger described appointment UE and detect instituteState echo signal, receive the testing result that described appointment UE reports;

Receive the inspection reporting after ownership lower user equipment (UE) active in described base station detects described echo signalSurvey result.

3. method according to claim 2, is characterized in that, the UE under the ownership of described base station and described base station according toPredetermined period or aperiodic detection mode in described unauthorized resource, carry out described target echo detection.

4. method according to claim 3, is characterized in that, detection mode aperiodic of described echo signal is passed through to touchThe event of sending out triggers, wherein, described trigger event comprise following one of at least:

When the network side link interruption of subscriber equipment under described base station or ownership, receive signal and the interference of signalWhen plus noise is less than the first predetermined threshold value than SINR, when signal energy thresholding detected higher than the second predetermined threshold value.

5. method according to claim 2, is characterized in that, the UE by one of following mode under the ownership of base stationUE is specified in middle selection:

Described UE is sorted according to activity degree, select the minimum UE of activity as described appointment UE;

According to geographical position sub-clustering, in each bunch, select respectively a UE as described appointment UE described UE;

In UE under the ownership of base station, select described appointment UE according to the mode of poll;

Using all UE under the ownership of described base station as described appointment UE, wherein, owning under the ownership of described base stationUE detected described echo signal according to the predetermined detection cycle.

6. method according to claim 5, is characterized in that,

When described appointment UE is while being multiple, the independent or division of labor of multiple described appointment UE detects described echo signal.

7. method according to claim 2, is characterized in that, trigger described appointment UE and detect described echo signal,Comprise:

Notify described appointment UE to detect described echo signal by issue the mode of configuration signal to described UE.

8. method according to claim 7, is characterized in that, described configuration-direct by Downlink Control Information DCI orThe carrying of radio resource control RRC high-level signaling.

9. method according to claim 7, is characterized in that, described configuration-direct comprise following one of at least:

Instruction will be carried out information, the aperiodic of unauthorized frequency range or the unauthorized carrier set of described target echo detectionThe detection time information of detection trigger, the detection time information of cycle detection, wherein, described aperiodic detection triggerBe used to indicate described appointment UE and detect described echo signal with aperiodic form.

10. method according to claim 9, is characterized in that, described detection time information is at least true by following parameterFixed: sense cycle and sense cycle skew.

11. methods according to claim 4, is characterized in that, described configuration-direct also comprise following one of at least: instituteState the first predetermined threshold value, described the second predetermined threshold value, type, signal type that described trigger event is corresponding, wherein,

Described signal type comprises: described echo signal, described other service signals.

12. methods according to claim 7, is characterized in that, described configuration signal is being authorized carrier wave or unauthorized yearOn ripple, send.

13. methods according to claim 2, is characterized in that, the testing result that described appointment UE reports is from up controlIn information UCI processed or up RRC high layer information, obtain.

14. methods according to claim 2, is characterized in that, described appointment UE adopts one of following mode to feed back instituteState testing result: trigger periodic feedback, aperiodic feedback.

15. methods according to claim 14, is characterized in that, adopt described week by pre-defined described appointment UEPhase is fed back described testing result; Detecting after echo signal, triggering described in described appointment UE employingThe form of non-periodic feedback is fed back described testing result.

16. methods according to claim 1, is characterized in that, according to testing result, described unauthorized carrier resource are enteredRow is dodged processing, comprising:

In the time described echo signal being detected, described base station sends broadcast signaling and notifies other websites, wherein, described inOther websites are interior other base stations except described base station of the network at place, described base station; And/or

In the channel estimating stage, if described echo signal detected, stop intercepting described unauthorized carrier resource,If described echo signal do not detected, take non-awarding described in described unauthorized carrier resource or random backPower carrier resource; And/or

In the resource occupation stage, if described echo signal detected, carry out following one of at least operation: sendCarry out control signal that dynamic frequency moves, carry out that off operation is closed in community, community is activated or deactivating operation,If described echo signal do not detected, hold over described unauthorized carrier resource.

17. methods according to claim 16, is characterized in that, described broadcast signaling is by authorizing the public letter of carrier waveThe common signal channel carrying of road or unauthorized carrier wave.

18. methods according to claim 16, is characterized in that, described control signal comprise following one of at least: account forWith stopping signaling and scheduling renewal signaling.

19. methods according to claim 18, is characterized in that, described in take stop signaling authorize carrier wave or described inOn unauthorized carrier wave, send, be used to indicate the transmission ending of the downlink data on described unauthorized carrier resource; DescribedScheduling is upgraded signaling and is notified appointment UE by high-level signaling, is used to indicate lower data transfer gravity treatment carrier wave used.

20. methods according to claim 18, is characterized in that, described method also comprises:

Described scheduling being upgraded by high-level signaling to signaling to after specifying UE, by base station and/or UEBeing switched to idle unauthorized carrier wave or authorizing on carrier wave of transfer of data transmitted.

21. methods according to claim 20, is characterized in that, can not exceed 10 the switching time of described transfer of dataSecond, and at least 30 minutes, cannot use the unauthorized carrier wave that echo signal detected.

22. methods according to claim 19, is characterized in that, described method also comprises: according to RRMRRM measurement result is determined following one of at least operation:

Community activation or deactivating operation, the transfer of data of described base station or UE is switched to idle unauthorized yearRipple or mandate carrier wave.

23. methods according to claim 22, is characterized in that, described RRM measurement result is by finding reference signalDRS carries out, and sends by short control signal SCS.

24. according to the method described in claim 1 to 23 any one, it is characterized in that, described echo signal comprises: radarSignal.

The Check processing method of 25. 1 kinds of signals, is characterized in that, described method comprises:

Terminal is obtained the testing result to echo signal on unauthorized carrier resource, and wherein, described echo signal is preferentialLevel is higher than other service signal, and described other service signal is except described echo signal on described unauthorized carrier resourceOuter signal;

Described testing result is reported to base station, and in the time that described testing result instruction detects described echo signal,According to described testing result, described unauthorized carrier resource is dodged to processing.

26. methods according to claim 25, is characterized in that, obtain unauthorized carrier wave by one of following modeThe testing result of echo signal in resource:

Described terminal initiatively detects described echo signal on described unauthorized carrier resource;

Under the triggering of allocate event, described terminal detects described echo signal;

Described terminal detects described echo signal according to predefined sense cycle.

27. methods according to claim 26, is characterized in that, described allocate event comprise following one of at least: connectWhile receiving the network side link interruption at configuration-direct, described terminal place that base station sends, the signal that receives signal withWhen interference plus noise is less than the first predetermined threshold value than SINR, detect that signal energy thresholding is higher than the second predetermined threshold valueTime, wherein, described configuration-direct is used for triggering UE and detects described echo signal.

28. methods according to claim 26, is characterized in that, before described echo signal is detected, alsoComprise:

In user equipment (UE) under the ownership of base station, select to specify UE, wherein, described appointment UE is used for describedEcho signal detects.

29. methods according to claim 28, is characterized in that, the UE by one of following mode under the ownership of base stationUE is specified in middle selection:

Using the UE under the ownership of described base station, all as described appointment UE, wherein, described appointment UE is according to predeterminedSense cycle detects described echo signal.

30. methods according to claim 27, is characterized in that, described configuration-direct is by Downlink Control Information DCIOr radio resource control RRC high-level signaling carrying.

31. methods according to claim 27, is characterized in that, described configuration signal is being authorized carrier wave or unauthorizedOn carrier wave, send.

32. methods according to claim 27, is characterized in that, described configuration-direct comprise following one of at least:

Instruction will be carried out information, the aperiodic of unauthorized frequency range or the unauthorized carrier set of described target echo detectionThe detection time information triggering, the detection time information of cycle detection, wherein, trigger and be used to indicate described aperiodicDescribed appointment UE detects described echo signal with aperiodic form.

33. methods according to claim 25, is characterized in that, described terminal is obtained on described unauthorized carrier resourceThe testing result of echo signal, comprising:

Judge whether to exist described echo signal according to the comparative result of the energy threshold value detecting and first threshold,And/or

Judge whether to exist described echo signal according to the signal disturbed condition measuring; And/or

Judge whether to exist described echo signal according to the measurement result of finding reference signal DRS.

34. methods according to claim 33, is characterized in that, described method also comprises:

In the channel estimating stage, if the signal pattern detecting is consistent with described echo signal pulse, judges and existDescribed echo signal, and judged result is reported to base station;

At data transfer phase, if the error pattern of finding the Frame receiving is with pulse corresponding to echo signalCycle pattern is consistent, and judgement exists described echo signal, and result is reported to base station.

35. methods according to claim 33, is characterized in that, pass through to authorize carrier wave at UCI described testing resultOr RRC high-level signaling feeds back to base station.

36. methods according to claim 35, is characterized in that, described terminal adopts one of following mode to feed back detectionResult: trigger periodic feedback, aperiodic feedback.

37. methods according to claim 25, is characterized in that, according to described testing result to described unauthorized carrier waveResource is dodged to process and is comprised:

In the channel estimating stage, if described echo signal detected, stop intercepting described unauthorized carrier resource,If described echo signal do not detected, take described unauthorized carrier resource, and at described unauthorized carrier waveIn resource, carry out transmitting uplink data,

In the resource occupation stage, if described echo signal detected, the dynamic frequency that reception base station sends is movedControl instruction.

38. according to the method described in claim 37, it is characterized in that, described control signal comprises: take termination signaling,Wherein, described in take command for stopping, send authorizing on carrier wave or described unauthorized carrier wave, be used to indicate UE rootDescribed in receiving, take the transmission and the lower line number that stop the upstream data on the described unauthorized carrier wave of signaling terminationAccording to reception.

39. according to the method described in claim 38, it is characterized in that, described method also comprises:

Described control instruction also comprises: signaling is upgraded in scheduling, by high-level signaling, described scheduling renewal signaling is being led toKnow to after specifying UE being switched to idle unauthorized carrier wave or awarding the transfer of data of base station and/or UEOn power carrier wave, transmit.

40. according to the method described in claim 39, it is characterized in that, can not exceed 10 the switching time of described transfer of dataSecond, and at least 30 minutes, cannot use the unauthorized carrier wave that echo signal detected.

41. according to the method described in claim 25 to 40 any one, it is characterized in that, described echo signal comprises: radarSignal.

The Check processing device of 42. 1 kinds of signals, is applied to base station, it is characterized in that, described device comprises:

Acquisition module, for obtaining the testing result to echo signal on unauthorized carrier resource, wherein, described orderThe mark priority class of traffic is higher than other service signal, and described other service signal is for removing institute on described unauthorized carrier resourceState the signal outside echo signal;

Processing module, in the time that described testing result instruction detects described echo signal, to described unauthorized yearRipple resource is dodged processing.

43. according to the device described in claim 42, it is characterized in that, described acquisition module, at described unauthorized yearIn ripple resource, detect described echo signal, obtain described testing result; Also for the user under the ownership of described base stationIn equipment UE, select to specify UE, and trigger described appointment UE and detect described echo signal, receive described appointment UEThe testing result reporting; After also initiatively described echo signal being detected for the UE under the ownership of base station, reportTesting result.

44. according to the device described in claim 43, it is characterized in that, described acquisition module comprises:

The first selected cell, after described UE is sorted according to activity degree, selects activity minimumUE as described appointment UE;

The second selected cell, for by described UE according to geographical position sub-clustering after, in each bunch, select respectively oneIndividual UE is as described appointment UE;

The 3rd selected cell, selects described appointment UE for the UE under the ownership of base station according to the mode of poll;

Determining unit, for using all UE under the ownership of described base station as described appointment UE, wherein, described baseThe all UE that stand under ownership detected described echo signal according to the predetermined detection cycle.

The Check processing device of 45. 1 kinds of signals, is applied to terminal, it is characterized in that, described device comprises:

Reporting module, for reporting to base station by testing result;

Processing module, in the time that described testing result instruction detects described echo signal, according to described detection knotFruit is dodged processing to described unauthorized carrier resource.

46. according to the device described in claim 45, it is characterized in that, described acquisition module is used for, initiatively described non-awardingOn power carrier resource, detect described echo signal; Also under the triggering of allocate event, described in described terminal detectsEcho signal; Also for detecting described echo signal according to predefined sense cycle.

47. according to the device described in claim 46, it is characterized in that, described acquisition module is used at described allocate event bagDraw together below one of at least time, detect described echo signal: receive configuration-direct, described terminal institute that base station sendsNetwork side link interruption time, receive the Signal to Interference plus Noise Ratio SINR of signal and be less than the first predetermined threshold valueTime, when signal energy thresholding detected higher than the second predetermined threshold value, wherein, described configuration-direct is used for triggering UEDetect described echo signal.

48. according to the device described in claim 45, it is characterized in that, described device also comprises:

Select module, select to specify UE for the user equipment (UE) under the ownership of base station, wherein, described appointmentUE is for detecting described echo signal.

49. according to the device described in claim 48, it is characterized in that, described selection module, comprising:

Determining unit, for using the UE under the ownership of described base station all as described appointment UE, wherein, described fingerDetermining UE detected described echo signal according to the predetermined detection cycle.