CN103716846B

CN103716846B - A kind of method and apparatus for switching frequency spectrum

Info

Publication number: CN103716846B
Application number: CN201210370476.5A
Authority: CN
Inventors: 龚磊
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-09-28
Filing date: 2012-09-28
Publication date: 2018-05-18
Anticipated expiration: 2032-09-28
Also published as: CN103716846A; WO2014048375A1

Abstract

The invention discloses a kind of method and apparatus for switching frequency spectrum, belong to the communications field.The method of switching frequency spectrum disclosed by the invention includes：Frequency spectrum handover request message is obtained, the frequency spectrum handover request message includes target spectrum, and the target spectrum is the unappropriated idle frequency spectrum of primary user of the target spectrum;Obtain the time slot for frequency spectrum switching；Obtain the conversion time protection interval of data uplink and downlink；The time point switched for frequency spectrum is determined according to the time slot and the Time Guard Interval switched for frequency spectrum；According to the time slot switched for frequency spectrum and the time point switched for frequency spectrum, currently used frequency spectrums of operation is switched to target spectrum.And base station disclosed by the invention includes：First receiving module, the first acquisition module and the first handover module.The present invention can realize currently used frequency spectrums of operation being switched to target spectrum when the corresponding primary user of frequency spectrums of operation needs to transmit data.

Description

A kind of method and apparatus for switching frequency spectrum

Technical field

The present invention relates to the communications field, more particularly to a kind of method and apparatus for switching frequency spectrum.

Background technology

Current frequency spectrum Distursement is fixed allocation, and management is organized as specific transactions and distributes fixed frequency spectrum resource, should The user of business is the primary user of the frequency spectrum resource.Wherein, most of primary users are not to use to distribute for it always All frequency spectrum resources, nor using the frequency spectrum resource for its distribution everywhere, thus there are some periods and some Geographical location, partial frequency spectrum do not obtain fully using and be in idle condition.In order to improve the utilization rate of frequency spectrum resource, go out at present CR is showed（Cognitive Radio, cognitive radio）Technology, CR technologies by perceive primary user wireless frequency spectrum environment or Person's database informs its spectrum information or perceives the mode to work together with database, can find primary user whenever and wherever possible Unappropriated frequency spectrum, and on the premise of primary user is not disturbed, accessed in the frequency spectrum of discovery, realize the use for formula of seizing every opportunity Frequency spectrum resource.

Wherein, if when the corresponding frequency spectrum of primary user by other users in use, primary user needs transceiving data and uses During its corresponding frequency spectrum, it is necessary to be switched to other users on the frequency spectrum of other idle states from the frequency spectrum, to ensure not It influences primary user and uses frequency spectrum for its distribution, however do not have any scheme also at present to realize other users from primary right It is switched on the frequency spectrum answered on the frequency spectrum of other idle states.

The content of the invention

In order to when the corresponding primary user of frequency spectrums of operation needs to transmit data, realize currently used work frequency Spectrum is switched to target spectrum, and the present invention provides a kind of method and apparatus for switching frequency spectrum.The technical solution is as follows：

The first aspect of the embodiment of the present invention provides a kind of method for switching frequency spectrum, the described method includes：

Frequency spectrum handover request message is obtained, the frequency spectrum handover request message includes target spectrum, the target spectrum For the unappropriated idle frequency spectrum of primary user of the target spectrum;

Obtain the time slot for frequency spectrum switching；

Obtain the conversion time protection interval of data uplink and downlink；

The time point switched for frequency spectrum is determined according to the time slot and the Time Guard Interval switched for frequency spectrum；

According to the time slot switched for frequency spectrum and the time point switched for frequency spectrum, by currently used work Frequency spectrum is switched to target spectrum.

The time slot wherein switched as acquisition described in a kind of embodiment implemented for frequency spectrum, including：

A special subframe is selected in special subframe；

The corresponding time slot of selected special subframe is determined as the time slot for frequency spectrum switching.

Described in the basis for frequency spectrum switching time slot and the Time Guard Interval obtain for frequency spectrum switching when Between point, including：

By the both ends of GP occupied periods that the time slot for frequency spectrum switching includes respectively subtract one it is described when Between protection interval；

Within the remaining time select a time point, by selected time point be determined as frequency spectrum switching when Between point.

The time slot of frequency spectrum switching is used for as acquisition described in another embodiment, including：

A time slot is selected in time slot after current time；

The data portion that selected time slot is sent is arranged to empty；

Selected time slot is determined as the time slot for frequency spectrum switching.

As a kind of specific embodiment, the time slot obtained for frequency spectrum switching, including：

Select a time slot；

By selected time slot configuration into send single frequency network multicast empty frame；

As a kind of specific between the time slot for being used for frequency spectrum switching described in embodiment according to and the guardtime The time point of frequency spectrum switching is used for every acquisition, including：

The both ends for the data portion occupied period that the time slot for frequency spectrum switching includes respectively are subtracted one The Time Guard Interval；

The acquisition Time Guard Interval, including：

Obtain default Time Guard Interval；Alternatively,

Each user equipment (UE) in base station range is obtained to the propagation delay of base station, from the propagation of each UE The maximum propagation delay of Shi Yanzhong selections, is determined as Time Guard Interval by the propagation delay of the maximum.

It is described to obtain the time slot for frequency spectrum switching and the time for frequency spectrum switching as a kind of specific embodiment Before point, further include：

The frequency spectrum handover request message that awareness apparatus is sent is received, the frequency spectrum handover request message carries target spectrum； Alternatively,

The currently used frequency spectrums of operation is monitored and the state to other default one or more frequency spectrums It is monitored, when monitoring out the corresponding primary user of its currently used frequency spectrums of operation and needing to transmit data, other are pre- from described If one or more frequency spectrums obtain state be idle state target spectrum；Alternatively,

The switching time for carrying out frequency spectrum switching is obtained from database, current time is monitored, it is described when monitoring out When current time is the switching time, target spectrum is obtained from the database.

It is described to obtain for the time slot of frequency spectrum switching and after the time point for frequency spectrum switching, it further includes：

Frequency spectrum handover request message is sent to UE, the frequency spectrum handover request message carry it is described for frequency spectrum switching when Gap, the time point for frequency spectrum switching and the target spectrum, the UE to be asked to carry out frequency spectrum switching.

The second aspect of the embodiment of the present invention also provides a kind of method of frequency spectrum switching, the described method includes：

The request message for the frequency spectrum switching that base station is sent is received, the frequency spectrum request message carrying is described to be switched for frequency spectrum Time slot, it is described for frequency spectrum switching time point and the target spectrum；

According to the time slot switched for frequency spectrum and the time point switched for frequency spectrum, by currently used work Frequency spectrum is switched to the target spectrum.

3rd aspect of the embodiment of the present invention, provides a kind of method for switching frequency spectrum, the described method includes：

The frequency spectrums of operation currently used to base station is monitored；

If monitoring the corresponding primary user of the frequency spectrums of operation needs to transmit data, determine target spectrum and generate frequency spectrum Handover request, the frequency spectrum handover request message carry the target spectrum, and the target spectrum is primary for the target spectrum The unappropriated idle frequency spectrum in family；

Frequency spectrum handover request message is sent to the base station, the frequency spectrum handover request message carries the target spectrum, Make the base station that frequency spectrums of operation is switched to the target spectrum.

As a kind of implementation, before the acquisition target spectrum, further include：

The state of default one or more frequency spectrums is monitored in real time, obtains the frequency that current state is idle state Spectrum.

The acquisition target spectrum, including：

From the current state to select a frequency spectrum in the frequency spectrum of idle state, selected frequency spectrum is determined as mesh Mark frequency spectrum.

4th aspect of the embodiment of the present invention, also provides a kind of base station, the base station includes：

First acquisition module, for for obtaining frequency spectrum handover request message, being wrapped in the frequency spectrum handover request message Target spectrum is included, the target spectrum is the unappropriated idle frequency spectrum of primary user of the target spectrum, is then obtained for frequency spectrum The time slot of switching, then obtain uplink and downlink conversion Time Guard Interval, according to it is described for frequency spectrum switch time slot and it is described when Between protection interval determine for frequency spectrum switching time point；

First handover module, for according to the time slot for frequency spectrum switching and the time for frequency spectrum switching Currently used frequency spectrums of operation is switched to the target spectrum by point.

As a specific embodiment of the present embodiment, the first acquisition unit specifically includes：

First choice subelement, for selecting a special subframe in the special subframe after current time；

First determination subelement, for selected special subframe to be determined as to the time slot for frequency spectrum switching.

5th aspect of the embodiment of the present invention, also provides a kind of user equipment (UE), the UE includes：

Second receiving module, for receiving the request message of the frequency spectrum switching of base station transmission, the frequency spectrum request message is taken Band is described for the time slot of frequency spectrum switching, the time point for frequency spectrum switching and the target spectrum；

Second handover module, for according to the time slot for frequency spectrum switching and the time for frequency spectrum switching Currently used frequency spectrums of operation is switched to the target spectrum by point.

6th aspect of the embodiment of the present invention, also provides a kind of awareness apparatus, the awareness apparatus includes：

First monitoring module is monitored for the frequency spectrums of operation currently used to base station；

Second acquisition module when needing to transmit data for monitoring out the corresponding primary user of the frequency spectrums of operation, obtains mesh Mark frequency spectrum；

Second sending module, for sending frequency spectrum handover request message to the base station, the frequency spectrum handover request message The target spectrum is carried, make the base station that frequency spectrums of operation is switched to the target spectrum and generates frequency spectrum handover request, institute It states frequency spectrum handover request message and carries the target spectrum, the target spectrum is the unappropriated sky of primary user of the target spectrum Ideler frequency is composed.

A kind of base station, the base station include memory and at least one processor, for performing the switching frequency spectrum Method.

A kind of user equipment (UE), the UE include memory and at least one processor, for performing the switching frequency The method of spectrum.

A kind of awareness apparatus, the awareness apparatus include memory and at least one processor, for performing described cut The method for changing frequency spectrum.

In embodiments of the present invention, the frequency spectrum handover request message that awareness apparatus is sent is received, which disappears Breath carries target spectrum, obtains the time slot for frequency spectrum switching and the time point for frequency spectrum switching, switches according to for frequency spectrum Time slot and for frequency spectrum switching time point, currently used frequency spectrums of operation is switched to target spectrum.So when work frequency When composing corresponding primary user needs to transmit data, realize and currently used frequency spectrums of operation is switched to target spectrum.

Description of the drawings

Fig. 1 is that an embodiment of the present invention provides a kind of method flow diagrams for switching frequency spectrum；

Fig. 2 is a kind of method flow diagram for switching frequency spectrum that another embodiment of the present invention provides；

Fig. 3 is a kind of sending cycle structure diagram that another embodiment of the present invention provides；

Fig. 4 is a kind of sending cycle structure diagram that another embodiment of the present invention provides；

Fig. 5 is a kind of method flow diagram for switching frequency spectrum that another embodiment of the present invention provides；

Fig. 6 is a kind of structure of time slot that another embodiment of the present invention provides；

Fig. 7 is a kind of method flow diagram for switching frequency spectrum that another embodiment of the present invention provides；

Fig. 8 is a kind of method flow diagram for switching frequency spectrum that another embodiment of the present invention provides；

Fig. 9 a are a kind of user device architecture schematic diagrames provided in an embodiment of the present invention；

Fig. 9 b are a kind of architecture of base station schematic diagrames that another embodiment of the present invention provides；

Figure 10 is a kind of UE structure diagrams that another embodiment of the present invention provides；

Figure 11 is a kind of awareness apparatus structure diagram that another embodiment of the present invention provides.

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.

Referring to Fig. 1, an embodiment of the present invention provides a kind of method for switching frequency spectrum, including：

Step S101：Frequency spectrum handover request message is obtained, the frequency spectrum handover request message includes target spectrum, described Target spectrum is the unappropriated idle frequency spectrum of primary user of the target spectrum；

Step S102:Obtain the time slot for frequency spectrum switching;

Step S103:Obtain the conversion time protection interval of data uplink and downlink;

Step S104:It determines to switch for frequency spectrum according to the time slot and the Time Guard Interval switched for frequency spectrum Time point；

Step S105：According to the time slot switched for frequency spectrum and the time point switched for frequency spectrum, by currently used work Target spectrum is switched to as frequency spectrum.

Wherein, the executive agent of the present embodiment can be base station.

Wherein, time slot includes being not restricted to subframe, half of subframe, frame.

In embodiments of the present invention, obtain for frequency spectrum switching time slot and for frequency spectrum switching time point, according to Time slot in frequency spectrum switching and the time point for frequency spectrum switching, currently used frequency spectrums of operation is switched to target spectrum.Such as This realizes currently used frequency spectrums of operation being switched to target frequency when the corresponding primary user of frequency spectrums of operation needs to transmit data Spectrum.

Referring to Fig. 2, an embodiment of the present invention provides a kind of method for switching frequency spectrum, including：

Step S201：The awareness apparatus frequency spectrums of operation currently used to base station is monitored and default one to other Or the state of multiple frequency spectrums is monitored, which is other frequency spectrums beyond the frequency spectrum of wireless communication system distribution；

Wherein, work frequency is currently not used in the frequency spectrum of the currently used frequency spectrums of operation other users in base station, the other users Spectrum, so base station can occupy the frequency spectrums of operation at this time, the UE in base station and base station range（User Equipment are used Family equipment）Data can be transmitted using the frequency spectrums of operation.

Wherein, awareness apparatus frequency spectrums of operation currently used to base station in real time is monitored, and monitors frequency spectrums of operation correspondence Primary user whether need to transmit data using the frequency spectrums of operation；And awareness apparatus is to other default one or more frequencies The state of spectrum is monitored, and monitoring does well as the frequency spectrum of idle state.

Wherein, if the currently used corresponding primary user of frequency spectrums of operation in base station needs to transmit number using the frequency spectrums of operation According to then primary user sends test post by the frequency spectrums of operation first, and awareness apparatus monitors out the test post of primary user's transmission When just determine that primary user needs to transmit data using the frequency spectrums of operation.

Wherein, awareness apparatus can run the perception algorithm that itself includes to monitor the currently used work frequency in base station in real time Spectrum and other default one or more frequency spectrums.

Wherein, awareness apparatus can be arranged on outside base station and can also be integrated on base station.

Step S202：Awareness apparatus, which ought monitor the corresponding primary user of the currently used frequency spectrums of operation in base station, to be needed to transmit number According to when, obtain target spectrum, send frequency spectrum handover request message to base station, which carries target spectrum；

Specifically, awareness apparatus ought monitor out the corresponding primary user of the currently used frequency spectrums of operation in base station and need to transmit data When, from the state monitored out to randomly choose a frequency spectrum in the frequency spectrum of idle state, the frequency spectrum of selection is determined as target frequency Spectrum sends frequency spectrum handover request message to base station, which carries target spectrum.

Wherein, awareness apparatus sends the frequency spectrum handover request message for carrying target spectrum to base station, for asking base station will Currently used frequency spectrums of operation is switched to target spectrum.

Step S203：Base station receive awareness apparatus send frequency spectrum handover request message, obtain for frequency spectrum switching when Gap；

Specifically, base station receives the frequency spectrum handover request message that awareness apparatus is sent, and a spy is selected in special subframe The special subframe of selection is determined as the time slot for frequency spectrum switching by different subframe.

Wherein, a special subframe is selected in special subframe, can be included：

Whether judge in the sending cycle that is currently located also there are special subframe, if it is present from the hair being currently located Send cycle memory special subframe in select a special subframe, if it does not exist, then including out of next sending cycle Special subframe in select a special subframe；Preferably, can out of sending cycle that be currently located existing special subframe In or the special subframe that includes out of next sending cycle in prioritizing selection one from current immediate special subframe.

Wherein, in a wireless communication system, data can be transmitted by sending cycle between base station and UE, it is each to send week Phase can include ten subframes, and there are one or two special subframes in ten subframes；For example, with reference to Fig. 3, one sends week Include sending subframe 0,1,2,3,4,5,6,7,8 and 90 subframes in phase, and subframe 1 and 6 is special subframe.

Wherein, in the present embodiment, awareness apparatus can be integrated in base station, and such base station can be currently used to its Frequency spectrums of operation is monitored and the state of other default one or more frequency spectrums is monitored, and currently makes when monitoring out it When the corresponding primary user of frequency spectrums of operation needs to transmit data, target frequency of the state for idle state is obtained from other frequency spectrums Spectrum.

Wherein, in the present embodiment, the time that base station carries out frequency spectrum switching can be configured in the database of base station in advance And the target spectrum of switching, correspondingly, when base station monitors out the time that current time is changed for progress frequency spectrum, obtained from database Take target spectrum.

Step S204：Base station obtains the Time Guard Interval of uplink and downlink conversion, according to the time slot switched for frequency spectrum and obtains The Time Guard Interval taken obtains the time point for frequency spectrum switching；

Specifically, Time Guard Interval is obtained, in the GP included for frequency spectrum switching time slot（Guard Period, up and down Row conversion time）The both ends of occupied period respectively subtract a Time Guard Interval, and one is selected within the remaining time The time point of selection is determined as the time point for frequency spectrum switching by time point.

Wherein, Time Guard Interval is obtained, can be included：

Obtain default Time Guard Interval；Alternatively, the propagation delay of each UE in base station range is obtained, from every Maximum propagation delay is selected in the propagation delay of a UE, the maximum propagation delay of selection is determined as Time Guard Interval.

Wherein, referring to Fig. 4, special subframe includes DwPTS（Downlink Pilot Time Slot, during descending pilot frequency Gap）, GP and UpPTS（Uplink Pilot Time Slot, uplink pilot time slot）, GP is free timeslot, and shared by GP The both ends of period respectively subtract a Time Guard Interval, obtain remaining time T.

Step S205：Base station sends frequency spectrum handover request message to UE, which carries for frequency spectrum The time slot of switching, the time point for frequency spectrum switching and target spectrum；

Step S206：Base station is according to the time slot switched for frequency spectrum and the time point switched for frequency spectrum, by the work of itself Target spectrum is switched to as frequency spectrum；

Specifically, base station in the time slot switched for frequency spectrum for frequency spectrum switching time point when, itself is current The frequency spectrums of operation used is switched to target spectrum.

Step S207：UE receives the frequency spectrum handover request message that base station is sent, and is carried according to the frequency spectrum handover request message For frequency spectrum switching time slot and for frequency spectrum switching time point, the frequency spectrums of operation of itself is switched to target spectrum.

Specifically, UE receives the frequency spectrum handover request message that base station is sent, which carries for frequency Time slot, the time point for frequency spectrum switching and the target spectrum of switching are composed, frequency spectrum is used in the time slot switched for frequency spectrum During the time point of switching, itself currently used frequency spectrums of operation is switched to target spectrum.

Wherein, after currently used frequency spectrums of operation is switched to target spectrum by base station and UE, base station and UE are in target frequency Transmitting data is composed, has ensured the business continuance between base station and UE.

In embodiments of the present invention, base station receives the frequency spectrum handover request message that awareness apparatus is sent, and frequency spectrum switching please Message is asked to carry target spectrum, the time slot for frequency spectrum switching and the time point for frequency spectrum switching are obtained, according to for frequency spectrum Currently used frequency spectrums of operation is switched to target spectrum and sent by the time slot of switching and the time point for frequency spectrum switching Carrying given for the time slot of frequency spectrum switching, the time point for frequency spectrum switching and the frequency spectrum handover request message of target spectrum UE；Currently used frequency spectrums of operation is switched to by UE according to the time slot switched for frequency spectrum and the time point switched for frequency spectrum Target spectrum.So when the corresponding primary user of frequency spectrums of operation needs to transmit data, base station and UE are realized will be currently used Frequency spectrums of operation is switched to target spectrum, ensures that primary user being capable of normal transmission data.

Referring to Fig. 5, an embodiment of the present invention provides a kind of method for switching frequency spectrum, including：

Step S301-S302：It is same or similar with step S201-S202 respectively, it is no longer described in detail herein；

Step S303：Base station receive awareness apparatus send frequency spectrum handover request message, obtain for frequency spectrum switching when Gap；

Specifically, base station receives the frequency spectrum handover request message that awareness apparatus is sent, and selects a time slot, and time slot is one The data portion that the time slot of selection includes is arranged to empty, then the sub-slots of selection is determined as frequency by data transmitting period Compose the time slot of switching；Alternatively,

Base station receives the frequency spectrum handover request message that awareness apparatus is sent, and selects a time slot, and time slot is sent out for a data Send the cycle, by the time slot configuration of selection into single frequency network multicast empty frame, by the time slot of selection be determined as frequency spectrum switching when Gap.

Wherein, referring to Fig. 6, for any one time slot, which includes frame head and data portion, and base station is shared by frame head The control information of the time slot is transmitted in period and the number that the time slot includes is transmitted within the period shared by data portion According to；A time slot can be randomly choosed in time slot after current time, the data portion of the time slot is arranged to empty, i.e. base Without data transmission in period shared by the data portion stood in the time slot；Then shared by the data portion in the time slot The both ends of period respectively subtract a Time Guard Interval.

Wherein, single frequency network multicast empty frame includes frame head and data portion, and frame head includes the control of single frequency network multicast empty frame Information processed, data portion are sky.

Wherein, in the present embodiment, awareness apparatus can be integrated in base station, and such base station can be currently used to its Frequency spectrums of operation is monitored and the state of other default one or more frequency spectrums is monitored, and currently makes when monitoring out it When the corresponding primary user of frequency spectrums of operation needs to transmit data, the state that obtained from other one or more frequency spectrums is idle shape The target spectrum of state.

Wherein, in the present embodiment, the switching that base station carries out frequency spectrum switching can be configured in the database of base station in advance Time and the target spectrum of switching, correspondingly, base station obtains switching time from database, and current time is monitored, When monitoring out the time that current time is changed for progress frequency spectrum, target spectrum is obtained from database.

Step S304：Base station obtains the Time Guard Interval of uplink and downlink conversion, according to the Time Guard Interval and use of acquisition The time point for frequency spectrum switching is obtained in the time slot of frequency spectrum switching；

Specifically, Time Guard Interval is obtained, the period where the data portion included for frequency spectrum switching time slot Both ends respectively subtract a Time Guard Interval, within the remaining time select a time point, the time point of selection is determined To be used for the time point of frequency spectrum switching.

Wherein, Time Guard Interval is obtained, can be included：

Step S305：Base station sends frequency spectrum handover request message to UE, which carries for frequency spectrum The time slot of switching, the time point for frequency spectrum switching and target spectrum；

Step S306：Base station is according to the time slot switched for frequency spectrum and the time point switched for frequency spectrum, by the work of itself Target spectrum is switched to as frequency spectrum；

Step S307：UE receives the frequency spectrum handover request message that base station is sent, and is carried according to the frequency spectrum handover request message For frequency spectrum switching time slot and for frequency spectrum switching time point, the frequency spectrums of operation of itself is switched to target spectrum.

Referring to Fig. 7, an embodiment of the present invention provides a kind of method of frequency spectrum switching, including：

Step S401：The request message for the frequency spectrum switching that base station is sent is received, which carries for frequency spectrum The time slot of switching, the time point for frequency spectrum switching and target spectrum；

Step S402：According to the time slot switched for frequency spectrum and the time point switched for frequency spectrum, by currently used work Target spectrum is switched to as frequency spectrum.

Wherein, the executive agent of the present embodiment can be UE.

In embodiments of the present invention, the frequency spectrum handover request message that base station is sent is received, which takes Band for the time slot of frequency spectrum switching, the time point for frequency spectrum switching and target spectrum, according to the time slot that switches for frequency spectrum and For the time point of frequency spectrum switching, currently used frequency spectrums of operation is switched to target spectrum.So when frequency spectrums of operation is corresponding When primary user needs to transmit data, realize and currently used frequency spectrums of operation is switched to target spectrum.

Referring to Fig. 8, an embodiment of the present invention provides a kind of method for switching frequency spectrum, including：

Step S501：The frequency spectrums of operation currently used to base station is monitored；

Specifically, the frequency spectrums of operation currently used to base station monitors in real time.

Step S502：If monitoring the corresponding primary user of the currently used frequency spectrums of operation in base station needs to transmit data, really It sets the goal and frequency spectrum and generates frequency spectrum handover request, which carries target spectrum, and target spectrum is the target The unappropriated idle frequency spectrum of primary user of frequency spectrum；

Step S503：Frequency spectrum handover request message is sent to base station, makes base station that frequency spectrums of operation to be switched to the target of acquisition Frequency spectrum.

Wherein, the executive agent of the present embodiment can be awareness apparatus.

In embodiments of the present invention, the frequency spectrums of operation currently used to base station monitors in real time, and it is current to monitor out base station The corresponding primary user of frequency spectrums of operation used need transmit data when, obtain target spectrum, send frequency spectrum handover request message to Base station, the frequency spectrum handover request message carry the target spectrum obtained, make base station that frequency spectrums of operation to be switched to the target frequency of acquisition Spectrum.So when the corresponding primary user of frequency spectrums of operation needs to transmit data, realize and be switched to currently used frequency spectrums of operation Target spectrum.

The embodiment of the present invention, which further provides, realizes the device embodiment of each step and method in above method embodiment.This Inventive embodiments can be applied to the base station in various communication systems, terminal and sensing device.Fig. 9 a show a kind of user equipment Embodiment, in this embodiment, equipment 30 include radiating circuit 302, receiving circuit 303, power controller 304, at decoding Manage device 305, processing unit 306, memory 307 and antenna 301.The operation of 306 control device 30 of processing unit, processing unit 306 can also be known as CPU.Memory 307 can include read-only memory and random access memory, and to processing unit 306 Instruction and data is provided.The a part of of memory 307 can also include non-volatile row random access memory（NVRAM）.Specifically Application in, equipment 30 can be embedded in or itself can be exactly such as mobile phone etc wireless telecom equipment, further Equipment 30 also illustrates the hardware realization of general base station.It can in addition contain include accommodating radiating circuit 302 and receiving circuit 303 Carrier, to allow to carry out data transmitting and reception between equipment 30 and remote location.Radiating circuit 302 and receiving circuit 303 can To be coupled to antenna 301.The various components of equipment 30 are coupled by bus system 3100, and wherein bus system 3100 is removed Outside data/address bus, power bus, controlling bus and status signal bus in addition are further included.But for the sake of clear explanation, Various buses are all designated as bus system 3100 in figure.Equipment 30 can also include for handle signal processing unit 306, Additionally include power controller 304, decoding processor 305.

The method that the embodiments of the present invention disclose can be mainly used in processing unit 306, single by processing in other words The processor of member 306 is to realize.It can include a kind of IC chip in processing unit 306, the processing capacity with signal. During realization, each step of the above method can pass through the integrated logic circuit or software form of the hardware of processor 305 Instruction complete.These instructions can be realized and controlled to coordinate by processor 306 therein.For performing implementation of the present invention The method that example discloses, above-mentioned decoding processor can be general processor, digital signal processor（DSP）, special integrated electricity Road（ASIC）, ready-made programmable gate array（FPGA）Either other programmable logic device, discrete gate or transistor logic device Part, discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention. General processor can be microprocessor or the processor can also be any conventional processor, decoder etc..With reference to this The step of method disclosed in inventive embodiments, can be embodied directly in hardware decoding processor and perform completion or at decoding Hardware and software module combination in reason device perform completion.Software module can be located at random access memory, flash memory, read-only storage In the storage medium of this fields such as device, programmable read only memory or electrically erasable programmable memory, register maturation.It should Storage medium is located at memory 307, and decoding unit reads the information in memory 307, and the above method is completed with reference to its hardware Step.

Referring to Fig. 9 b, an embodiment of the present invention provides a kind of base station, including：

First acquisition module 601, for obtaining frequency spectrum handover request message, the frequency spectrum handover request message includes Target spectrum, the target spectrum are the unappropriated idle frequency spectrum of primary user of the target spectrum, then obtain and are cut for frequency spectrum The time slot changed, then the Time Guard Interval of uplink and downlink conversion is obtained, according to the time slot switched for frequency spectrum and the time Protection interval determines the time point for frequency spectrum switching；

First handover module 602, for according to the time slot for frequency spectrum switching and it is described for frequency spectrum switching when Between point, currently used frequency spectrums of operation is switched to target spectrum.

The first acquisition module 601 and the first handover module 602 are the places in processing unit 306 in specific hardware realization Unit is managed, is realized by process circuit or processor

Wherein, the first acquisition module 601 specifically includes：

First obtains subelement, and for obtaining frequency spectrum handover request message, the frequency spectrum handover request message includes mesh Mark frequency spectrum, the target spectrum for the target spectrum the unappropriated idle frequency spectrum of primary user and obtain it is default it is described on The Time Guard Interval of down conversion；

First determination subelement, for selected special subframe to be determined as the time slot for frequency spectrum switching.

First subtracts subelement, for will be shared by the uplink and downlink conversion time GP that includes of time slot for frequency spectrum switching The both ends of period respectively subtract a Time Guard Interval；

Second selection subelement, it is for selecting a time point within the remaining time, selected time point is true It is set to the time point for frequency spectrum switching.

First handover module 602, for described in being determined according to first determination subelement for frequency spectrum switching when At the time point for frequency spectrum switching that gap and the second selection subelement determine, currently used frequency spectrums of operation is switched For target spectrum.

Wherein, the first acquisition module 601 specifically includes：

Second obtains subelement, and for obtaining frequency spectrum handover request message, the frequency spectrum handover request message includes mesh Frequency spectrum is marked, the target spectrum is the unappropriated idle frequency spectrum of primary user of the target spectrum and acquisition base station range Interior each user equipment (UE) is to the propagation delay of base station, when maximum propagation is selected from the propagation delay of each UE Prolong, the propagation delay of the maximum is determined as to the Time Guard Interval of the uplink and downlink conversion；

First determination subelement, for selected special subframe to be determined as the time slot for frequency spectrum switching；

Second selection subelement, it is for selecting a time point within the remaining time, selected time point is true It is set to the time point for frequency spectrum switching；

Wherein, the first acquisition module 601 specifically includes：

3rd selection subelement, for selecting a time slot, the time slot is a data transmitting period；

First sets subelement, for the data portion sent in selected time slot to be arranged to empty；

Second determination subelement, for selected time slot to be determined as the time slot for frequency spectrum switching;

Second selection subelement, it is for selecting a time point within the remaining time, selected time point is true It is set to the time point for frequency spectrum switching;

First handover module 602, for described in being determined according to second determination subelement for frequency spectrum switching when At the time point for frequency spectrum switching that gap and the second selection subelement determine, currently used frequency spectrums of operation is switched For target spectrum.

Wherein, the first acquisition module 601 specifically includes：

4th selection subelement, for selecting a time slot, the time slot is a data transmitting period；

Second set subelement, for by selected time slot configuration into send single frequency network multicast empty frame；

3rd determination subelement, for selected time slot to be determined as the time slot for frequency spectrum switching；Second Subelement is subtracted, the both ends of the data portion occupied period for the time slot for frequency spectrum switching to be included respectively subtract Remove a Time Guard Interval；

4th selection subelement, it is for selecting a time point within the remaining time, selected time point is true It is set to the time point for frequency spectrum switching；

First handover module 602, for described in being determined according to the 3rd determination subelement for frequency spectrum switching when At the time point for frequency spectrum switching that gap and the 4th selection subelement determine, currently used frequency spectrums of operation is switched For target spectrum.

Wherein, the first acquisition module 601 specifically includes：

3rd determination subelement, for selected time slot to be determined as the time slot for frequency spectrum switching；

Second subtracts subelement, for the data portion occupied time for including the time slot for frequency spectrum switching The both ends of section respectively subtract a Time Guard Interval；

Further, the base station further includes：

First receiving module, for receiving the frequency spectrum handover request message of awareness apparatus transmission, the frequency spectrum switching Request message carries target spectrum.

Further, the base station further includes：

First monitoring module, for being monitored to the currently used frequency spectrums of operation and default one to other Or the state of multiple frequency spectrums is monitored, and needs to transmit data when monitoring out the corresponding primary user of its currently used frequency spectrums of operation When, the frequency spectrum handover request message is generated, it is idle state to obtain state from other described default one or more frequency spectrums Target spectrum, wherein, the first acquisition module 601 is used to obtain the frequency spectrum handover request that first monitoring module generates Message.

Further, the base station further includes：Second monitoring module carries out frequency spectrum switching for being obtained from database Switching time is monitored current time, when it is the switching time to monitor out the current time, generates the frequency spectrum Handover request message obtains the target spectrum that the frequency spectrum handoff request message includes from the database；

Wherein, the first acquisition module 601 disappears for obtaining the frequency spectrum handover request that second monitoring module generates Breath.

For the first receiving module in receiving circuit 303, sending module is then transtation mission circuit 302 during the realization of hardware In a part, monitoring module is then in processing unit.

Referring to Figure 10, a kind of UE, including：

Second receiving module 701, for receiving the request message of the frequency spectrum switching of base station transmission, the frequency spectrum request message It carries described for the time slot of frequency spectrum switching, the time point for frequency spectrum switching and the target spectrum；

Second handover module 702, for according to the time slot for frequency spectrum switching and it is described for frequency spectrum switching when Between point, currently used frequency spectrums of operation is switched to the target spectrum.

In concrete implementation hardware realization, the second receiving module 701 is the hardware realization using receiving circuit 302, and Second handover module 702 is then hardware circuit or processor realization in processing unit 306.

Referring to Figure 11, a kind of awareness apparatus, including：

First monitoring module 801, is monitored for the frequency spectrums of operation currently used to base station；

Second acquisition module 802 when needing to transmit data for monitoring out the corresponding primary user of the frequency spectrums of operation, obtains Target spectrum simultaneously generates frequency spectrum handover request, and the frequency spectrum handover request message carries the target spectrum, the target spectrum For the unappropriated idle frequency spectrum of primary user of the target spectrum；

Second sending module 803 for sending the frequency spectrum handover request message to the base station, makes the base station by work The target spectrum is switched to as frequency spectrum.

Wherein, the first monitoring module 801 can the frequency spectrums of operation currently used to base station monitor in real time.

Further, the awareness apparatus further includes：

Second monitoring module monitors in real time for the state to default one or more frequency spectrums, obtains current shape State is the frequency spectrum of idle state.

Second acquisition module, specifically for selecting a frequency in the frequency spectrum of idle state from the current state Spectrum, is determined as target spectrum by selected frequency spectrum.

A kind of base station, including memory and at least one processor, for performing the method for following switching frequency spectrum：

Obtain the time slot for frequency spectrum switching；

Obtain the conversion time protection interval of data uplink and downlink；

Wherein, the time slot obtained for frequency spectrum switching, including：

A special subframe is selected in special subframe；

Wherein, obtain for the time slot of frequency spectrum switching and the Time Guard Interval described in the basis and switch for frequency spectrum Time point, including：

Wherein, the time slot for frequency spectrum switching is obtained in the time slot after current time, including：

A time slot is selected, the time slot is a data transmitting period；

The data portion sent in selected time slot is arranged to empty；

Wherein, the time slot obtained for frequency spectrum switching, including：

A time slot is selected, the time slot is a data transmitting period；

Wherein, the conversion time protection interval for obtaining data uplink and downlink, including：

Obtain the Time Guard Interval of the default uplink and downlink conversion；Alternatively,

Each user equipment (UE) in base station range is obtained to the propagation delay of base station, from the propagation of each UE The propagation delay of the maximum is determined as between the guardtime of the uplink and downlink conversion by the maximum propagation delay of Shi Yanzhong selections Every.

Further, before the acquisition frequency spectrum handover request message, further include：

The currently used frequency spectrums of operation is monitored and the state to other default one or more frequency spectrums Be monitored, when monitor out the corresponding primary user of its currently used frequency spectrums of operation need transmit data when, generate the frequency spectrum Handover request message obtains the target spectrum that state is idle state from other described default one or more frequency spectrums；Alternatively,

The switching time for carrying out frequency spectrum switching is obtained from database, current time is monitored, it is described when monitoring out Current time generates the frequency spectrum handover request message when being the switching time, and the frequency spectrum is obtained from the database and is cut Change the target spectrum that request message includes;Or

The frequency spectrum handover request message is received from awareness apparatus.

Further, it is described to obtain for the time slot of frequency spectrum switching and after the time point for frequency spectrum switching, it further includes：

An embodiment of the present invention provides a kind of UE, including memory and at least one processor, for performing following cut The method for changing frequency spectrum：

An embodiment of the present invention provides a kind of awareness apparatus, and including memory and at least one processor, processor has The processing capacity of signal and information, for performing the method for following switching frequency spectrum：

The frequency spectrum handover request message is sent to the base station, makes the base station that frequency spectrums of operation is switched to the target Frequency spectrum.

Wherein monitoring the corresponding primary user of the frequency spectrums of operation needs to transmit data, determines that target spectrum includes：

The state of default one or more frequency spectrums is monitored in real time, obtains the frequency that current state is idle state Selected frequency spectrum from the current state to select a frequency spectrum in the frequency spectrum of idle state, is determined as target frequency by spectrum Spectrum.

One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..

The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.

Claims

A kind of 1. method for switching frequency spectrum, which is characterized in that the described method includes：

Frequency spectrum handover request message is obtained, the frequency spectrum handover request message includes target spectrum, and the target spectrum is should The unappropriated idle frequency spectrum of primary user of target spectrum；

Obtain the time slot for frequency spectrum switching；

Obtain the conversion time protection interval of data uplink and downlink；

The time point switched for frequency spectrum is determined according to the time slot and the Time Guard Interval switched for frequency spectrum；

According to the time slot switched for frequency spectrum and the time point switched for frequency spectrum, by currently used frequency spectrums of operation It is switched to target spectrum；

Wherein, the time slot obtained for frequency spectrum switching, including：

A time slot is selected, the time slot is a data transmitting period；

The data portion sent in selected time slot is arranged to empty；

Selected time slot is determined as the time slot for frequency spectrum switching；Alternatively,

The time slot obtained for frequency spectrum switching, including：

A time slot is selected, the time slot is a data transmitting period；

By selected time slot configuration into send single frequency network multicast empty frame；

Selected time slot is determined as the time slot for frequency spectrum switching.
2. the method as described in claim 1, which is characterized in that described in the basis for frequency spectrum switching time slot and it is described when Between protection interval obtain for frequency spectrum switching time point, including：

By the both ends for conversion time GP occupied periods of uplink and downlink that the time slot for frequency spectrum switching includes Respectively subtract a Time Guard Interval；

A time point is selected within the remaining time, selected time point is determined as the time for frequency spectrum switching Point.
3. the method as described in claim 1, which is characterized in that described in the basis for frequency spectrum switching time slot and it is described when Between protection interval obtain for frequency spectrum switching time point, including：

The both ends for the data portion occupied period that the time slot for frequency spectrum switching includes respectively are subtracted described in one Time Guard Interval；

A time point is selected within the remaining time, selected time point is determined as the time for frequency spectrum switching Point.
4. the method as described in any one of claim 1-3 claim, which is characterized in that the acquisition data uplink and downlink Conversion time protection interval, including：

Obtain the Time Guard Interval of default uplink and downlink conversion；Alternatively,

Each user equipment (UE) in base station range is obtained to the propagation delay of base station, from the propagation delay of each UE The propagation delay of the maximum is determined as the Time Guard Interval of the uplink and downlink conversion by the maximum propagation delay of middle selection.
5. the method as described in any one of claims 1 to 3 claim, which is characterized in that the acquisition frequency spectrum handover request Before message, further include：

The currently used frequency spectrums of operation is monitored and the state of other default one or more frequency spectrums is carried out Monitoring when monitoring out the corresponding primary user of its currently used frequency spectrums of operation and needing to transmit data, generates frequency spectrum switching Request message obtains the target spectrum that state is idle state from other described default one or more frequency spectrums；Alternatively,

The switching time for carrying out frequency spectrum switching is obtained from database, current time is monitored, it is described current when monitoring out Time generates the frequency spectrum handover request message when being the switching time, and the frequency spectrum switching is obtained from the database please Seek the target spectrum that message includes；Or

The frequency spectrum handover request message is received from awareness apparatus.
6. the method as described in any one of claims 1 to 3 claim, which is characterized in that frequency spectrum is used for described in the basis After the time slot of switching and the Time Guard Interval determine the time point for frequency spectrum switching, further include：

The frequency spectrum handover request message is sent to UE, the frequency spectrum handover request message further includes described for frequency spectrum switching Time slot and the time point for frequency spectrum switching, the UE to be asked to carry out frequency spectrum switching.
A kind of 7. method of frequency spectrum switching, which is characterized in that the described method includes：

Receive base station send frequency spectrum handover request message, the frequency spectrum handoff request message include for frequency spectrum switching when Gap, the time point for frequency spectrum switching and target spectrum；

According to the time slot switched for frequency spectrum and the time point switched for frequency spectrum, by currently used frequency spectrums of operation It is switched to the target spectrum；

Wherein, the time slot is a base station selected time slot, and the time slot is a data transmitting period；By the selection Time slot in the data portion that sends be arranged to empty；Selected time slot is determined as the time slot for frequency spectrum switching；Alternatively,

The time slot is a base station selected time slot, and the time slot is a data transmitting period；When will be selected Gap is configured to send single frequency network multicast empty frame；Selected time slot is determined as the time slot for frequency spectrum switching.
8. a kind of base station, which is characterized in that the base station includes：

First acquisition module, for obtaining frequency spectrum handover request message, the frequency spectrum handover request message includes target frequency Spectrum, the target spectrum be the target spectrum the unappropriated idle frequency spectrum of primary user, then obtain for frequency spectrum switching when Gap, then the Time Guard Interval of uplink and downlink conversion is obtained, according between the time slot switched for frequency spectrum and the guardtime Every the time point for determining to switch for frequency spectrum；

First handover module, will for being used for time slot and the time point for frequency spectrum switching that frequency spectrum switches according to described Currently used frequency spectrums of operation is switched to target spectrum；

Wherein, the time slot obtained for frequency spectrum switching, including：

A time slot is selected, the time slot is a data transmitting period；

The data portion sent in selected time slot is arranged to empty；

Selected time slot is determined as the time slot for frequency spectrum switching；Alternatively,

The time slot obtained for frequency spectrum switching, including：

A time slot is selected, the time slot is a data transmitting period；

By selected time slot configuration into send single frequency network multicast empty frame；

Selected time slot is determined as the time slot for frequency spectrum switching.
9. base station as claimed in claim 8, which is characterized in that first acquisition module specifically includes：

First obtains subelement, and for obtaining frequency spectrum handover request message, the frequency spectrum handover request message includes target frequency Spectrum, the target spectrum are the unappropriated idle frequency spectrum of primary user of the target spectrum and the default uplink and downlink of acquisition The Time Guard Interval of conversion；

First choice subelement, for selecting a special subframe in the special subframe after current time；

First determination subelement, for selected special subframe to be determined as the time slot for frequency spectrum switching；

First subtracts subelement, for the uplink and downlink conversion time GP that includes of time slot for frequency spectrum switching is occupied The both ends of period respectively subtract a Time Guard Interval；

Second selection subelement, subtracts after the Time Guard Interval for subtracting subelement described first in the remaining time A time point is selected, selected time point is determined as the time point for frequency spectrum switching；

First handover module, for described in being determined according to first determination subelement for frequency spectrum switching time slot and At the time point for frequency spectrum switching that the second selection subelement determines, currently used frequency spectrums of operation is switched to mesh Mark frequency spectrum.
10. base station as claimed in claim 8, which is characterized in that first acquisition module specifically includes：

Second obtains subelement, and for obtaining frequency spectrum handover request message, the frequency spectrum handover request message includes target frequency Spectrum, the target spectrum is in the unappropriated idle frequency spectrum of primary user of the target spectrum and acquisition base station range Each user equipment (UE) selects maximum propagation delay from the propagation delay of each UE, incites somebody to action to the propagation delay of base station The propagation delay of the maximum is determined as the Time Guard Interval of the uplink and downlink conversion；

First choice subelement, for selecting a special subframe in the special subframe after current time；

First determination subelement, for selected special subframe to be determined as the time slot for frequency spectrum switching；

First subtracts subelement, for the uplink and downlink conversion time GP that includes of time slot for frequency spectrum switching is occupied The both ends of period respectively subtract a Time Guard Interval；

Second selection subelement, subtracts after the Time Guard Interval for subtracting subelement described first in the remaining time A time point is selected, selected time point is determined as the time point for frequency spectrum switching；

First handover module, for described in being determined according to first determination subelement for frequency spectrum switching time slot and At the time point for frequency spectrum switching that the second selection subelement determines, currently used frequency spectrums of operation is switched to mesh Mark frequency spectrum.
11. base station as claimed in claim 8, which is characterized in that first acquisition module specifically includes：

First obtains subelement, and for obtaining frequency spectrum handover request message, the frequency spectrum handover request message includes target frequency Spectrum, the target spectrum are the unappropriated idle frequency spectrum of primary user of the target spectrum and the default uplink and downlink of acquisition The Time Guard Interval of conversion；

3rd selection subelement, for selecting a time slot, the time slot is a data transmitting period；

First sets subelement, for the data portion sent in selected time slot to be arranged to empty；

Second determination subelement, for selected time slot to be determined as the time slot for frequency spectrum switching；

First subtracts subelement, for the uplink and downlink conversion time GP that includes of time slot for frequency spectrum switching is occupied The both ends of period respectively subtract a Time Guard Interval；

Second selection subelement, subtracts after the Time Guard Interval for subtracting subelement described first in the remaining time A time point is selected, selected time point is determined as the time point for frequency spectrum switching；

First handover module, for described in being determined according to second determination subelement for frequency spectrum switching time slot and At the time point for frequency spectrum switching that the second selection subelement determines, currently used frequency spectrums of operation is switched to mesh Mark frequency spectrum.
12. base station as claimed in claim 8, which is characterized in that first acquisition module specifically includes：

Second obtains subelement, and for obtaining frequency spectrum handover request message, the frequency spectrum handover request message includes target frequency Spectrum, the target spectrum is in the unappropriated idle frequency spectrum of primary user of the target spectrum and acquisition base station range Each user equipment (UE) selects maximum propagation delay from the propagation delay of each UE, incites somebody to action to the propagation delay of base station The propagation delay of the maximum is determined as the Time Guard Interval of the uplink and downlink conversion；

3rd selection subelement, for selecting a time slot, the time slot is a data transmitting period；

First sets subelement, for the data portion sent in selected time slot to be arranged to empty；

Second determination subelement, for selected time slot to be determined as the time slot for frequency spectrum switching；

First subtracts subelement, for the uplink and downlink conversion time GP that includes of time slot for frequency spectrum switching is occupied The both ends of period respectively subtract a Time Guard Interval；

Second selection subelement, subtracts after the Time Guard Interval for subtracting subelement described first in the remaining time A time point is selected, selected time point is determined as the time point for frequency spectrum switching；

First handover module, for described in being determined according to second determination subelement for frequency spectrum switching time slot and At the time point for frequency spectrum switching that the second selection subelement determines, currently used frequency spectrums of operation is switched to mesh Mark frequency spectrum.
13. base station as claimed in claim 8, which is characterized in that first acquisition module specifically includes：

First obtains subelement, and for obtaining frequency spectrum handover request message, the frequency spectrum handover request message includes target frequency Spectrum, the target spectrum are the unappropriated idle frequency spectrum of primary user of the target spectrum and the default uplink and downlink of acquisition The Time Guard Interval of conversion；

4th selection subelement, for selecting a time slot, the time slot is a data transmitting period；

Second set subelement, for by selected time slot configuration into send single frequency network multicast empty frame；

3rd determination subelement, for selected time slot to be determined as the time slot for frequency spectrum switching；

Second subtracts subelement, for by data portion occupied period for including of time slot for frequency spectrum switching Both ends respectively subtract a Time Guard Interval；

4th selection subelement, subtracts after the Time Guard Interval for subtracting subelement described second in the remaining time A time point is selected, selected time point is determined as the time point for frequency spectrum switching；

First handover module, for described in being determined according to the 3rd determination subelement for frequency spectrum switching time slot and At the time point for frequency spectrum switching that the 4th selection subelement determines, currently used frequency spectrums of operation is switched to mesh Mark frequency spectrum.
14. base station as claimed in claim 8, which is characterized in that first acquisition module specifically includes：

Second obtains subelement, and for obtaining frequency spectrum handover request message, the frequency spectrum handover request message includes target frequency Spectrum, the target spectrum is in the unappropriated idle frequency spectrum of primary user of the target spectrum and acquisition base station range Each user equipment (UE) selects maximum propagation delay from the propagation delay of each UE, incites somebody to action to the propagation delay of base station The propagation delay of the maximum is determined as the Time Guard Interval of the uplink and downlink conversion；

4th selection subelement, for selecting a time slot, the time slot is a data transmitting period；

Second set subelement, for by selected time slot configuration into send single frequency network multicast empty frame；

3rd determination subelement, for selected time slot to be determined as the time slot for frequency spectrum switching；

Second subtracts subelement, for by data portion occupied period for including of time slot for frequency spectrum switching Both ends respectively subtract a Time Guard Interval；

4th selection subelement, subtracts after the Time Guard Interval for subtracting subelement described second in the remaining time A time point is selected, selected time point is determined as the time point for frequency spectrum switching；

First handover module, for described in being determined according to the 3rd determination subelement for frequency spectrum switching time slot and At the time point for frequency spectrum switching that the 4th selection subelement determines, currently used frequency spectrums of operation is switched to mesh Mark frequency spectrum.
15. the base station as described in any one of claim 8 to 14 claim, which is characterized in that the base station further includes：

First receiving module, for receiving the frequency spectrum handover request message of awareness apparatus transmission, the frequency spectrum handover request Message carries target spectrum.
16. the base station as described in any one of claim 8 to 14 claim, which is characterized in that the base station further includes：

First monitoring module, for being monitored to the currently used frequency spectrums of operation and to other default one or more The state of a frequency spectrum is monitored, when monitor out the corresponding primary user of its currently used frequency spectrums of operation need transmit data when, The frequency spectrum handover request message is generated, the mesh that state is idle state is obtained from other described default one or more frequency spectrums Mark frequency spectrum；First acquisition module is used to obtain the frequency spectrum handover request message that first monitoring module generates.
17. the base station as described in any one of claim 8 to 14 claim, which is characterized in that the base station further includes：

Second monitoring module for obtaining the switching time for carrying out frequency spectrum switching from database, is monitored current time, When it is the switching time to monitor out the current time, the frequency spectrum handover request message is generated, from the database Obtain the target spectrum that the frequency spectrum handoff request message includes；

First acquisition module is used to obtain the frequency spectrum handover request message that second monitoring module generates.
18. a kind of user equipment (UE), which is characterized in that the UE includes：

Second receiving module, for receiving the frequency spectrum handover request message of base station transmission, the frequency spectrum handoff request message includes Time slot for frequency spectrum switching, the time point for frequency spectrum switching and target spectrum；

Second handover module, will for being used for time slot and the time point for frequency spectrum switching that frequency spectrum switches according to described Currently used frequency spectrums of operation is switched to the target spectrum；

Wherein, the time slot is a base station selected time slot, and the time slot is a data transmitting period；By the selection Time slot in the data portion that sends be arranged to empty；Selected time slot is determined as the time slot for frequency spectrum switching；Alternatively,

The time slot is a base station selected time slot, and the time slot is a data transmitting period；When will be selected Gap is configured to send single frequency network multicast empty frame；Selected time slot is determined as the time slot for frequency spectrum switching.