CN101616419B - Method and device for collocating and selecting transmission frequency band - Google Patents
Method and device for collocating and selecting transmission frequency band Download PDFInfo
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- CN101616419B CN101616419B CN2008100435421A CN200810043542A CN101616419B CN 101616419 B CN101616419 B CN 101616419B CN 2008100435421 A CN2008100435421 A CN 2008100435421A CN 200810043542 A CN200810043542 A CN 200810043542A CN 101616419 B CN101616419 B CN 101616419B
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Abstract
The invention relates to the field of wireless communication, and discloses a method and a device for collocating and selecting a transmission frequency band. In the method and the device, a total system bandwidth is firstly marked off a main transmission frequency band as a transmission bandwidth keeping compatible with the prior system, other frequency bands positioned in the total system bandwidth beyond the main transmission frequency band have no fixed bandwidth division, but other transmission frequency bands beyond the main transmission frequency band are gradually distributed as auxiliary transmission frequency bands according to the running condition of the system and the requirement. The variable auxiliary transmission frequency bands enable the system to adapt to the requirement of service change more flexibly.
Description
Technical field
The present invention relates to wireless communication field, particularly the configuration of transmission band and selection technology.
Background technology
In existing mobile radio system, band system band is divided into a plurality of frequency bands in advance, and the bandwidth of each frequency band is all fixed.Such as in Long Term Evolution communication systems such as (Long Term Evolution are called for short " LTE "), can there be a plurality of band width configuration in system, like 20MHz, 10MHz, 5MHz etc.; Simultaneously, the distribution of these bandwidth also is static, and in other words, once selected band width configuration, whole system operation just is fixed on this bandwidth; Base station and terminal all will have the ability of on this bandwidth, sending and receiving.
Fig. 1 has provided the bandwidth static assignment schematic diagram of prior art.Shown in (a) among Fig. 1, overall system bandwidth BW is divided into B0, B1 and three transmission bandwidths of B2.These transmission bandwidths delimited when system's initial deployment, almost no longer change in the whole system life cycle then.Corresponding, corresponding three transmission bandwidths have three RF transceivers and three baseband processing units respectively in the base station, and each RF transceiver and baseband processing unit are composed of base station physical layer transmission system complete on the transmission bandwidth.
The structure of each transmission bandwidth also is similarly, shown in Fig. 1 (b).There is a control frequency band at the center of each transmission bandwidth, is used for control informations such as transmitting synchronous, broadcasting.In Fig. 1 (b), each transmission bandwidth independent transmission, the corresponding data of respectively controlling on the frequency band are separate.
Development along with the new generation of wireless mobile communication technology; System need possess multiple terminal access capability, and these terminals have different radio frequency (Radio Frequency is called for short " RF ") to receive and send bandwidth ability; Accordingly, system will have the frequency band of different bandwidth to support these terminals.Simultaneously, application scenarios is different with business, and application scenarios and professional variation, also can propose the requirement that reconfigure to the tenability of system.
The scheme of fixed allocation band bandwidth can't adapt to the situation that different application scenes or application scenarios often change in the prior art.
Summary of the invention
The object of the present invention is to provide the method and apparatus of a kind of configuration, selection transmission band, can adapt to the professional needs that change more neatly.
For solving the problems of the technologies described above, execution mode of the present invention provides a kind of method of base station configuration transmission band, may further comprise the steps:
Dispose main transmission band;
The auxilliary transmission band of configuration;
If satisfy predetermined condition, then reconfigure auxilliary transmission band;
Wherein, the quantity of the auxilliary transmission band that is disposed during the auxilliary transmission band of the i time configuration is Ni, and Ni is a nonnegative integer, have at least among each Ni one non-vanishing, comprise configuration when disposing each auxilliary transmission band to this auxilliary transmission band bandwidth.
Execution mode of the present invention also provides a kind of terminal to select the method for transmission band; Dispose a main transmission band and N auxilliary transmission band in the air interface; Wherein, N is a nonnegative integer, comprises the master control frequency band in the main transmission band, and the information of each transmission band in the current interface of eating dishes without rice or wine is provided in the master control frequency band;
May further comprise the steps:
Terminal searching master control frequency band;
Obtain the information of current each transmission band from the master control frequency band that searches;
According to the information of current each transmission band of being obtained, from main transmission band and auxilliary transmission band, select the transmission band that supplies this terminal to use.
Execution mode of the present invention also provides a kind of base station, comprises radio frequency unit that is used for radio frequency processing and the Base Band Unit that is used for Base-Band Processing, also comprises:
Control unit is used for supporting at radio frequency unit and Base Band Unit configuration whether the parameter of main transmission band and auxilliary transmission band and monitoring predetermined condition are satisfied;
When base station initiated, control unit disposes the parameter of supporting main transmission band and auxilliary transmission band in radio frequency unit and Base Band Unit, and when predetermined condition was satisfied, control unit reconfigured the parameter of supporting auxilliary transmission band in radio frequency unit and Base Band Unit.
Execution mode of the present invention also provides a kind of terminal; Dispose a main transmission band and N auxilliary transmission band in the air interface, wherein, N is a nonnegative integer; Comprise the master control frequency band in the main transmission band, the information of each transmission band in the current interface of eating dishes without rice or wine is provided in the master control frequency band;
The terminal comprises:
Search unit is used to search for the master control frequency band;
Information acquisition unit, be used for from search unit searches to the master control frequency band obtain the information of current each transmission band;
Selected cell, the information of current each transmission band that is used for obtaining according to information acquisition unit is selected the transmission band that supplies this terminal to use from main transmission band and auxilliary transmission band.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are:
Through keeping main transmission band constant, change auxilliary transmission band as required, can adapt to the professional needs that change more neatly.
Obtain the Information Selection transmission band from fixing master control frequency band, can adapt to the situation that transmission band changes.
Further,, can reduce interference, guarantee that important control information can transmit exactly from adjacent transmission band through main and auxiliary control frequency band being arranged on the center of main and auxiliary transmission band.
Further; The control information of the main transmission band of transmitting on the master control frequency band can be compatible with existing system; Do not support the existing terminal of reconfigurable auxilliary transmission band can be linked in the base station of adopting technical scheme of the present invention so yet; And can in main transmission band, use some the most basic business, like voice, short message etc., protected user's existing investment.
Further, at auxilliary control frequency band the information of master control frequency band is provided, the master control frequency band can be found apace according to these information in the terminal that searches auxilliary control frequency band, improves the efficient that transmission band is selected.
Further, different transmission bands is supported that by different Base Band Unit and radio frequency unit group system is comparatively healthy and strong, and Base Band Unit or radio frequency unit are out of order and can not cause whole base station to work.
Further, use the Base Band Unit and the radio frequency unit in broadband, each transmission band in the real system can be come Virtual Realization through same Base Band Unit and radio frequency unit, can assist the configuration of transmission band more neatly.
Description of drawings
Fig. 1 is the bandwidth static assignment schematic diagram of prior art;
Fig. 2 is the method flow diagram of base station configuration transmission band in the first embodiment of the invention;
Fig. 3 is the division exemplary plot of transmission band in the first embodiment of the invention;
Fig. 4 is a master control frequency band and the auxilliary logic relation picture of controlling the frequency band control information in the first embodiment of the invention;
Fig. 5 is the method flow diagram that transmission band is selected at the terminal in the second embodiment of the invention;
Fig. 6 is the flow chart of an example in the second embodiment of the invention;
Fig. 7 is the structural representation of base station in the third embodiment of the invention;
Fig. 8 is the structural representation of base station in the four embodiment of the invention.
Embodiment
In following narration, many ins and outs have been proposed in order to make the reader understand the application better.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations and the modification of following each execution mode, also can realize each claim of the application technical scheme required for protection.
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that execution mode of the present invention is done to describe in detail further below.
First embodiment of the invention relates to a kind of method of base station configuration transmission band, and its flow process is as shown in Figure 2.
In step 201, base station configuration master's transmission band.Comprise the master control frequency band in the main transmission band, be used to transmit the control information of this main transmission band and the information (the for example amount of bandwidth of current each auxilliary transmission band and center frequency point position) of current each auxilliary transmission band and auxilliary control frequency band thereof.
The master control frequency band is arranged on the center of main transmission band bandwidth usually, also can depart from the center of main transmission band.Through the master control frequency band being arranged on the center of main transmission band, can reduce interference from adjacent transmission band, guarantee that important control information can transmit exactly.
The control information of the main transmission band of transmitting on the master control frequency band can be compatible with existing system; Do not support the existing terminal of reconfigurable auxilliary transmission band can be linked in the base station of adopting technical scheme of the present invention so yet; And can in main transmission band, use some the most basic business; Like voice, short message etc., protected user's existing investment.
Certainly, the control information of the main transmission band of transmitting on the master control frequency band and existing system are compatible and optional, and at examples more of the present invention, the control information of the main transmission band of transmitting on the master control frequency band can be incompatible with existing system.
After this get into step 202, base station configuration is assisted transmission band.Auxilliary transmission band can be one or more, also can not have.Comprise auxilliary control frequency band in each auxilliary transmission band, be used to transmit the control information of this auxilliary transmission band and the information of main transmission band and the master control frequency band (position of the parameter of main transmission band and master control frequency band for example.)
Auxilliary control frequency band is arranged on the center of auxilliary transmission band bandwidth, the center that also can depart from auxilliary transmission band usually.Be arranged on the center of auxilliary transmission band through assisting the control frequency band, can reduce interference, guarantee that important control information can transmit exactly from adjacent transmission band.
Whether after this get into step 203, whether base station judges satisfies predetermined condition, if then get into step 204, otherwise continue to be satisfied in step 203 monitoring predetermined condition.Predetermined condition can be according to the scene setting of reality, and for example, predetermined condition can be to have increased new type of service in the system, and perhaps order that reconfigures auxilliary transmission band from nms subsystem or the like has been received in the base station.
Whether in step 204, the base station reconfigures auxilliary transmission band, after this get back to step 203 monitoring predetermined condition and be satisfied.
Wherein, the quantity of the auxilliary transmission band that is disposed during the auxilliary transmission band of the i time configuration is Ni, and Ni is a nonnegative integer, have at least among each Ni one non-vanishing, comprise configuration when disposing each auxilliary transmission band to this auxilliary transmission band bandwidth.Dispose at every turn or reconfigure when assisting transmission band, the quantity and the amount of bandwidth of auxilliary transmission band are variable.For example, two auxilliary transmission bands of configuration when initial, wherein first auxilliary transmission band is 1,000,000, second auxilliary transmission band is 2,000,000.For the second time dispose two auxilliary transmission bands, wherein first auxilliary transmission band is 2,000,000, and second auxilliary transmission band is 1,000,000.Dispose one 3,000,000 auxilliary transmission band for the third time.0 auxilliary transmission band of the 4th configuration.
Through keeping main transmission band constant, change auxilliary transmission band as required, can adapt to the professional needs that change more neatly.
The example that the first execution mode midband is divided is as shown in Figure 3.In Fig. 3 (a), mark a main transmission band in the overall system bandwidth BW earlier, its bandwidth is B0, this main transmission band is to keep compatible transmission band with existing system.Outside B0 other is positioned at the unfixing bandwidth dividing mode of transmission band of BW, but outside B0, distributes other transmission band gradually according to running situation and needs, is called auxilliary transmission band.B1, B2, B3, B4, B5, B6 are the auxilliary transmission bands that six bandwidth do not wait among Fig. 3 (a).In this execution mode, these auxilliary transmission bands of distributing are afterwards specified by the base station as required, thereby can be flexible configuration; And according to the transmission needs, the base station can online reconfiguration, promptly cancels previous auxilliary transmission band and distributes, and regains frequency, and redistributes new auxilliary transmission band.
Fig. 3 (b) shows and the corresponding a kind of example of controlling band structure of Fig. 3 (a).In Fig. 3 (b), all there is the control frequency band (filling pattern with different marks) of a narrower fixed frequency band at the center of each transmission band, comprise above current transmission band synchronously, control information such as broadcasting.Wherein, the control frequency band of main transmission band B0 is called the master control frequency band, and the control frequency band of other transmission bands is called auxilliary control frequency band.Control information separated into two parts on the master control frequency band; A part is to keep control informations such as compatible synchronous, broadcasting with the existing system that operates on B0 master's transmission band; Another part is the control information that comprises the system-wide of auxilliary transmission band relevant information; Such as center frequency point position, band occupancy or the like.Control information on the auxilliary control frequency band also is divided into two parts; A part be with current auxilliary transmission band in the relevant information of transmission means; Comprise distinctive synchronous, broadcast message part; Another part is the indication signal, indicates the parameter of main transmission band and the information such as position of master control frequency band.The master control frequency band is as shown in Figure 4 with the logical relation of auxilliary control frequency band control information.
Second embodiment of the invention relates to the method that transmission band is selected at a kind of terminal, and its flow process is as shown in Figure 5.
In this execution mode, dispose a main transmission band and N auxilliary transmission band in the air interface, wherein, N is a nonnegative integer, comprises the master control frequency band in the main transmission band, and the information of each transmission band in the current interface of eating dishes without rice or wine is provided in the master control frequency band.Comprise auxilliary control frequency band in the auxilliary transmission band, this auxilliary control frequency band is used to transmit the control information of this auxilliary transmission band and the information of main transmission band and master control frequency band.
In step 501, terminal searching master control frequency band and auxilliary control frequency band.Specifically, if having no the information that can supply utilize, the terminal can be searched in the whole system bandwidth range.If some complementary information are arranged, then the terminal can utilize these information to dwindle the hunting zone.
After this get into step 502, when a control frequency band is found at the terminal, judge that the control frequency band that is found is master control frequency band or auxilliary control frequency band, if the master control frequency band then gets into step 503, otherwise gets into step 505.
In step 503, obtain the information of master control frequency band from the auxilliary control frequency band that is searched.
After this get into step 504, according to the information search master control frequency band of the master control frequency band that obtains from auxilliary control frequency band.After this get into step 505.
Because auxilliary control frequency band provides the information of master control frequency band, the master control frequency band can be found apace according to these information in the terminal that searches auxilliary control frequency band, thereby improves the efficient that transmission band is selected.
In some examples of the invention, the information of master control frequency band can be provided also in the auxilliary control frequency band, step 502 has just been saved to 504 in this case, and the terminal can only be searched for always, up to finding the master control frequency band.
In step 505, obtain the information of current each transmission band from the master control frequency band that searches.
After this get into step 506,, from main transmission band and auxilliary transmission band, select the transmission band that supplies this terminal to use according to the information of current each transmission band of being obtained.Can select transmission band according to one of following factor or its combination in any:
Type of service, transport-type, terminal capability etc.
Because be to obtain the Information Selection transmission band, can adapt to the situation that transmission band changes from fixing master control frequency band.
Usually newly at the terminal insert or residently need select transmission band during to a base station, in addition,, also need reselect transmission band if variation has taken place the employed transmission band in terminal.
In order to understand this execution mode better, the flow chart of an object lesson of this execution mode has been shown in Fig. 6.
Behind the starting terminal 601, at first search for primary/secondary control frequency band 602, whether inspection finds the master control frequency band then.If what find is auxilliary control frequency band, will read the master control band information 603 that carries on the auxilliary control frequency band, find master control frequency band 604 then.After finding the master control frequency band; Need read the system scope control information 605 of carrying on the master control frequency band; And choose the transmission band 606 that is fit to terminal traffic and transmittability, and read the dedicated system control information 607 of carrying on the corresponding control frequency band, on current transmission band, report end message, positional information 608; Resident then current area also waits for that paging/this locality makes a call and normal communication process 610 is accomplished in the base station.Behind the sign off, if do not shut down, the terminal will be got back to 609 resident current area and wait for the state that paging/this locality makes a call, otherwise the terminal is nullified and shut down 611 to system.
Method execution mode of the present invention can be realized with software, hardware, firmware or the like mode.No matter the present invention be with software, hardware, or the firmware mode realize; Instruction code can be stored in the memory of computer-accessible of any kind (for example permanent or revisable; Volatibility or non-volatile; Solid-state or non-solid-state, medium fixing or that change or the like).Equally; Memory can for example be programmable logic array (Programmable Array Logic; Abbreviation " PAL "), random access memory (Random Access Memory; Abbreviation " RAM "), programmable read only memory (Programmable Read Only Memory is called for short " PROM "), read-only memory (Read-Only Memory is called for short " ROM "), Electrically Erasable Read Only Memory (Electrically Erasable Programmable ROM; Abbreviation " EEPROM "), disk, CD, digital versatile disc (Digital Versatile Disc is called for short " DVD ") or the like.
Third embodiment of the invention relates to a kind of base station, and its structure is as shown in Figure 7.This base station comprises:
A plurality of radio frequency units 703 are used for radio frequency processing, in Fig. 7, are expressed as the RF+ sequence number.A plurality of radio frequency units 703 cover the whole system frequency band range.
A plurality of Base Band Unit 702 are used for Base-Band Processing, in Fig. 7, are expressed as the BB+ sequence number.A plurality of Base Band Unit 702 are corresponding with a plurality of radio frequency unit 703 respectively.
Whether control unit 701 is used for being satisfied in the parameter and the monitoring predetermined condition of radio frequency unit 703 with Base Band Unit 702 configuration main transmission bands of support and auxilliary transmission band.
When base station initiated; The parameter of main transmission band and auxilliary transmission band is supported in control unit 701 configuration in radio frequency unit 703 and Base Band Unit 702; When predetermined condition was satisfied, control unit 701 reconfigured the parameter of supporting auxilliary transmission band in radio frequency unit 703 and Base Band Unit 702.Predetermined condition can be set according to concrete scene and service needed.
Through keeping main transmission band constant, change auxilliary transmission band as required, can adapt to the professional needs that change more neatly.
In this execution mode, Base Band Unit 702 has many groups (Base Band Unit 702 and a radio frequency unit 703 constitute a group) with radio frequency unit 703, and every group of Base Band Unit 702 supported main transmission band or an auxilliary transmission band respectively with radio frequency unit 703.Because different transmission bands is by different Base Band Unit 702 and 703 groups of supports of radio frequency unit, so system is comparatively healthy and strong, Base Band Unit 702 or radio frequency unit 703 are out of order and can not cause whole base station to work.
In this execution mode, comprise the master control frequency band in the main transmission band, be used to transmit the control information of this main transmission band and the information of current each auxilliary transmission band and auxilliary control frequency band thereof.The master control frequency band is in the center of main transmission band bandwidth.Comprise auxilliary control frequency band in each auxilliary transmission band, be used to transmit the control information of this auxilliary transmission band and the information of main transmission band and master control frequency band.Auxilliary control frequency band is in the center of auxilliary transmission band bandwidth.
First execution mode is and the corresponding method execution mode of this execution mode, this execution mode can with the enforcement of working in coordination of first execution mode.The correlation technique details of mentioning in first execution mode is still effective in this execution mode, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in this execution mode also can be applicable in first execution mode.
Four embodiment of the invention relates to a kind of base station, and its structure is as shown in Figure 8.
The 4th execution mode and the 3rd execution mode are basic identical; Difference mainly is: the base station unit 702 with a plurality of relative arrowbands in the 3rd execution mode is realized a plurality of transmission bands with radio frequency unit 703; And in the 4th execution mode; Base Band Unit 802 respectively has one with radio frequency unit 803, and disposal ability can cover the whole system bandwidth.
Use the Base Band Unit 802 and radio frequency unit 803 in broadband, each transmission band in the real system can be come Virtual Realization with radio frequency unit 803 through same Base Band Unit 802, can assist the configuration of transmission band more neatly.
First execution mode is and the corresponding method execution mode of this execution mode, this execution mode can with the enforcement of working in coordination of first execution mode.The correlation technique details of mentioning in first execution mode is still effective in this execution mode, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in this execution mode also can be applicable in first execution mode.
Fifth embodiment of the invention relates to a kind of terminal.In this execution mode; Dispose a main transmission band and N auxilliary transmission band in the air interface; Wherein, N is a nonnegative integer, comprises the master control frequency band in the main transmission band, and the information (comprising master control frequency band and all auxilliary control frequency bands) of each transmission band in the current interface of eating dishes without rice or wine is provided in the master control frequency band.Comprise auxilliary control frequency band in the auxilliary transmission band, this auxilliary control frequency band is used to transmit the control information of this auxilliary transmission band and the information of main transmission band and master control frequency band.
This terminal comprises:
Search unit is used to search for master control frequency band and auxilliary control frequency band.
Information acquisition unit is used for obtaining the information of current each transmission band or obtaining the information of master control frequency band from auxilliary control frequency band from the master control frequency band.If search unit searches auxilliary control frequency band earlier, then from the auxilliary control frequency band that searches, obtain the information of master control frequency band, and this information is offered search unit searches master control frequency band; If search unit searches the master control frequency band earlier, then obtain the information of current each transmission band from the master control frequency band that searches.At auxilliary control frequency band the information of master control frequency band is provided, the master control frequency band can be found apace according to these information in the terminal that searches auxilliary control frequency band, improves the efficient that transmission band is selected.
Selected cell, the information of current each transmission band that is used for obtaining according to information acquisition unit is selected the transmission band that supplies this terminal to use from main transmission band and auxilliary transmission band.Because be to obtain the Information Selection transmission band, can adapt to the situation that transmission band changes from fixing master control frequency band.
Usually an auxilliary transmission band can be selected in the terminal, and this terminal forwarded on the corresponding auxilliary control frequency band and read further system information this moment, and access information etc., completing place registration etc., and the system on resident this auxilliary transmission band.When switching, can transmit the system scope control information that some normally arrive through broadcast reception, insert fast, make the terminal needn't come back to the control information of master control frequency band reading system scope with convenient through DCCH in the minizone.
Second execution mode is and the corresponding method execution mode of this execution mode, this execution mode can with the enforcement of working in coordination of second execution mode.The correlation technique details of mentioning in second execution mode is still effective in this execution mode, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in this execution mode also can be applicable in second execution mode.
Need to prove; Each unit of mentioning in base station of the present invention and the terminal execution mode (third and fourth, five execution modes) all is a logical block, and physically, a logical block can be a physical location; It also can be the part of a physical location; Can also realize that the physics realization mode of these logical blocks itself is not most important with the combination of a plurality of physical locations, the combination of the function that these logical blocks realized is the key that just solves technical problem proposed by the invention.In addition; For outstanding innovation part of the present invention; Above-mentioned base station of the present invention and terminal execution mode will not introduced with solving the not too close unit of technical problem relation proposed by the invention, and this does not show that there is not other unit in the said equipment execution mode.
Though through reference some preferred implementation of the present invention; The present invention is illustrated and describes; But those of ordinary skill in the art should be understood that and can do various changes to it in form with on the details, and without departing from the spirit and scope of the present invention.
Claims (13)
1. the method for a base station configuration transmission band is characterized in that, may further comprise the steps:
Dispose main transmission band;
The auxilliary transmission band of configuration;
If satisfy predetermined condition, then reconfigure said auxilliary transmission band;
Wherein, the quantity of the auxilliary transmission band that is disposed during the said auxilliary transmission band of the i time configuration is Ni, and Ni is a nonnegative integer, have at least among each Ni one non-vanishing, comprise configuration when disposing each auxilliary transmission band to this auxilliary transmission band bandwidth;
Comprise the master control frequency band in the said main transmission band, be used to transmit the control information of this main transmission band and the information of current each auxilliary transmission band and auxilliary control frequency band thereof;
Comprise auxilliary control frequency band in each said auxilliary transmission band, be used to transmit the control information of this auxilliary transmission band and the information of said main transmission band and master control frequency band.
2. the method for base station configuration transmission band according to claim 1 is characterized in that, said master control frequency band is in the center of said main transmission band bandwidth;
Said auxilliary control frequency band is in the center of said auxilliary transmission band bandwidth.
3. the method for base station configuration transmission band according to claim 2 is characterized in that, the information of current each the auxilliary transmission band transmitted on the said master control frequency band and auxilliary control frequency band thereof comprises:
The amount of bandwidth of current each auxilliary transmission band and center frequency point position;
The said main transmission band of transmitting on the said auxilliary control frequency band and the information of master control frequency band comprise:
The position of the parameter of main transmission band and master control frequency band.
4. the method for base station configuration transmission band according to claim 3; It is characterized in that; The control information of the said main transmission band of transmitting on the said master control frequency band is compatible with the existing system of reconfigurable auxilliary transmission band not, can in main transmission band, use voice, short message service.
5. the method for a terminal selection transmission band is characterized in that, disposes a main transmission band and N auxilliary transmission band in the air interface; Wherein, N is a nonnegative integer, comprises the master control frequency band in the main transmission band, and the information of each transmission band in the current interface of eating dishes without rice or wine is provided in the master control frequency band;
May further comprise the steps:
Terminal searching master control frequency band;
Obtain the information of current each transmission band from the master control frequency band that searches;
According to the information of current each transmission band of being obtained, from said main transmission band and auxilliary transmission band, select the transmission band that supplies this terminal to use.
6. the method for transmission band is selected at terminal according to claim 5; It is characterized in that; Comprise auxilliary control frequency band in the said auxilliary transmission band, this auxilliary control frequency band is used to transmit the control information of this auxilliary transmission band and the information of said main transmission band and master control frequency band;
Said method is further comprising the steps of:
Auxilliary control frequency band is also searched at said terminal in search master control frequency band;
If search auxilliary control frequency band, then obtain the information of master control frequency band from this auxilliary control frequency band, and according to this information search master control frequency band.
7. the method for transmission band is selected at terminal according to claim 6, it is characterized in that, in the step of the transmission band that use at this terminal of said selection confession, carries out said selection according to one of following factor or its combination in any:
Type of service, transport-type, terminal capability.
8. a base station comprises radio frequency unit that is used for radio frequency processing and the Base Band Unit that is used for Base-Band Processing, it is characterized in that, also comprises:
Control unit is used for supporting at said radio frequency unit and Base Band Unit configuration whether the parameter of main transmission band and auxilliary transmission band and monitoring predetermined condition are satisfied;
Said when base station initiated; Said control unit disposes the parameter of supporting main transmission band and auxilliary transmission band in said radio frequency unit and Base Band Unit; When said predetermined condition was satisfied, said control unit reconfigured the parameter of supporting auxilliary transmission band in said radio frequency unit and Base Band Unit;
Comprise the master control frequency band in the said main transmission band, be used to transmit the control information of this main transmission band and the information of current each auxilliary transmission band and auxilliary control frequency band thereof;
Comprise auxilliary control frequency band in each said auxilliary transmission band, be used to transmit the control information of this auxilliary transmission band and the information of said main transmission band and master control frequency band.
9. base station according to claim 8 is characterized in that, said Base Band Unit and radio frequency unit have many groups, and every group of Base Band Unit and radio frequency unit are supported main transmission band or an auxilliary transmission band respectively.
10. base station according to claim 8 is characterized in that, said Base Band Unit and radio frequency unit respectively have one, and disposal ability can cover the whole system bandwidth.
11. each described base station in 10 is characterized in that according to Claim 8,
Said master control frequency band is in the center of said main transmission band bandwidth;
Said auxilliary control frequency band is in the center of said auxilliary transmission band bandwidth.
12. a terminal is characterized in that, disposes a main transmission band and N auxilliary transmission band in the air interface; Wherein, N is a nonnegative integer, comprises the master control frequency band in the main transmission band, and the information of each transmission band in the current interface of eating dishes without rice or wine is provided in the master control frequency band;
Said terminal comprises:
Search unit is used to search for the master control frequency band;
Information acquisition unit, be used for from search unit searches to the master control frequency band obtain the information of current each transmission band;
Selected cell, the information of current each transmission band that is used for obtaining according to said information acquisition unit is selected the transmission band that supplies this terminal to use from said main transmission band and auxilliary transmission band.
13. terminal according to claim 12 is characterized in that, comprises auxilliary control frequency band in the said auxilliary transmission band, this auxilliary control frequency band is used to transmit the control information of this auxilliary transmission band and the information of said main transmission band and master control frequency band;
Said search unit also is used for the auxilliary control of search frequency band in the said master control frequency band of search;
Said information acquisition unit, also be used for from said search unit searches to auxilliary control frequency band obtain the information of master control frequency band, and this information is offered said search unit searches master control frequency band.
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| CN103889011A (en) * | 2014-04-09 | 2014-06-25 | 上海斐讯数据通信技术有限公司 | Wireless bandwidth selecting method and system based on WLAN wireless bandwidth assessment |
| US10813043B2 (en) | 2014-05-16 | 2020-10-20 | Huawei Technologies Co., Ltd. | System and method for communicating wireless transmissions spanning both licensed and un-licensed spectrum |
| US10536386B2 (en) | 2014-05-16 | 2020-01-14 | Huawei Technologies Co., Ltd. | System and method for dynamic resource allocation over licensed and unlicensed spectrums |
| US10548071B2 (en) | 2014-05-16 | 2020-01-28 | Huawei Technologies Co., Ltd. | System and method for communicating traffic over licensed or un-licensed spectrums based on quality of service (QoS) constraints of the traffic |
| US10462792B2 (en) * | 2015-05-29 | 2019-10-29 | Apple Inc. | Determining a location of a UE within a coverage area |
| CN106792719B (en) * | 2016-04-01 | 2020-03-20 | 北京展讯高科通信技术有限公司 | Air interface frame structure frame and configuration method thereof, and base station |
| RU2742949C1 (en) * | 2017-07-24 | 2021-02-12 | Гуандун Оппо Мобайл Телекоммьюникейшнз Корп., Лтд. | Data transmission method, terminal device and network device |
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