CN101778393B - Carrier polymerizing system and frequency spectrum fragment processing method and equipment thereof - Google Patents
Carrier polymerizing system and frequency spectrum fragment processing method and equipment thereof Download PDFInfo
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- CN101778393B CN101778393B CN2009100766132A CN200910076613A CN101778393B CN 101778393 B CN101778393 B CN 101778393B CN 2009100766132 A CN2009100766132 A CN 2009100766132A CN 200910076613 A CN200910076613 A CN 200910076613A CN 101778393 B CN101778393 B CN 101778393B
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- 238000001228 spectrum Methods 0.000 title claims abstract description 46
- 239000012634 fragment Substances 0.000 title claims abstract description 23
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 230000000379 polymerizing effect Effects 0.000 title abstract 5
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000002776 aggregation Effects 0.000 claims description 46
- 238000004220 aggregation Methods 0.000 claims description 46
- 238000006116 polymerization reaction Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000011664 signaling Effects 0.000 claims description 12
- 239000000969 carrier Substances 0.000 abstract description 7
- 230000004931 aggregating effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
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- 230000007774 longterm Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
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Abstract
The invention discloses a frequency spectrum fragment processing method and equipment of a carrier polymerizing system. The method comprises the following steps: in an FDD polymerizing system, respectively polymerizing independent carriers with coupled up and down carriers in a manner of TDM, wherein the independent carriers are non up and down coupled carriers; when a user enters a cell for the first time, notifying the user the configuration information of the up and down carriers in the FDD polymerizing system by system information in broadcast messages, wherein the configuration information comprises the information of the independent carriers. By using the invention, relatively independent frequency spectrum fragments can be effectively utilized to be flexibly applied to asymmetrical services.
Description
Technical field
The present invention relates to the communication technology, be specifically related to a kind of carrier aggregation system and frequency spectrum fragment processing method thereof, equipment.
Background technology
At present; Along with the development of mobile communication technology, power system capacity is exponential increase, therefore needs the high speed business under the high mobility to satisfy the user's request that continues to increase; Multimedia service increases more rapid with respect to speech business, and progressively becomes main business demand.The peak rate that the business of enhanced and application need are higher.In order to improve the average throughput of peak rate and each sub-district, need wideer bandwidth.
In order to support (Long Term Evolution than LTE; Long Term Evolution) the wideer system bandwidth of system, such as 100MHz, the LTE-Advanced system gets up to use with the resource polymerization of a plurality of LTE carrier waves (claiming member carrier again); In present stage, mainly considered following two kinds of polymerization methodses:
(1) a plurality of continuous LTE carrier waves is carried out polymerization, for the LTE-Advanced system provides bigger transmission bandwidth;
(2) a plurality of discontinuous LTE carrier waves are carried out polymerization, for the LTE-Advanced system provides bigger transmission bandwidth.
Fig. 1 has provided the sketch map of discontinuous carrier aggregation.
For the common recognition of carrier aggregation system design is that design on each carrier wave keeps consistent as far as possible with LTE R8, thus the terminal of assurance LTE R8 can be on each member carrier operate as normal.
For the spectrum aggregating of typical TDD (Time Division Duplexing, time division multiplexing), the number of the up-downgoing member carrier of system and the bandwidth of each member carrier equate.For each user, up-downgoing allows the asymmetric up-downgoing different service amount that satisfies.As shown in Figure 2, to carry out in a plurality of carrier waves of polymerization, the part subframe in each carrier wave will be fixed for transmitting downlink business, and all the other subframes will be fixed for transmitting uplink service, and UE is known ascending-descending subframes configuring condition concrete in the carrier wave through read system information.
For the spectrum aggregating of typical FDD (Frequency Division Duplexing, frequency division multiplexing), system and the member's up-downgoing member carrier all can asymmetricly satisfy up-downgoing different service amount.As shown in Figure 3, carry out in a plurality of carrier waves of polymerization, the part carrier wave will be fixed for transmitting downlink business, and all the other carrier waves will be fixed for transmitting uplink service, and UE is known the concrete distribution condition of carrier wave through read system information.
In the spectrum aggregating mode of typical FDD, frequency spectrum fragment temporarily can't be by rational deployment utilization.Have the symmetrical spectrum of a pair of 20MHz, the extra in addition frequency range that one section 10MHz is arranged such as a FDD operator; If according to the spectrum aggregating of traditional LTE-Advanced system to FDD, can only this frequency range or polymerization be given descendingly, or polymerization gives uply, and the utilization of frequency spectrum fragment is lacked flexibility and validity.And; Because in the different periods; The user is different to the demand of business, adopts the up-downgoing carrier wave in the prior art fixed configurations system, for the assurance system can both satisfy user's needs at day part; Then need dispose the up-downgoing number of carriers respectively according to peak value up, downlink transfer, this will cause the wasting of resources in the system.
Summary of the invention
The embodiment of the invention provides a kind of carrier aggregation system and frequency spectrum fragment processing method thereof, equipment, in the FDD system, effectively utilizes relatively independent frequency spectrum fragment, makes its flexible Application in asymmetric traffic.
For this reason, the embodiment of the invention provides following technical scheme:
The frequency spectrum fragment processing method of a kind of carrier aggregation system that the embodiment of the invention provides comprises:
In the FDD paradigmatic system, with Independent Carrier Wave according to the mode of TDM respectively and the up-downgoing carrier aggregation of polymerization, said Independent Carrier Wave is the carrier wave that non-up-downgoing occurs in pairs;
When the user gets into the sub-district for the first time, notify the configuration information of up-downgoing carrier wave in the said FDD paradigmatic system of user through the system information in the broadcast, comprise the information of said Independent Carrier Wave in the said configuration information.
The frequency spectrum fragment treatment facility of a kind of carrier aggregation system that the embodiment of the invention provides comprises:
Allocation units are used for the paradigmatic system at FDD, and with Independent Carrier Wave according to the mode of TDM respectively and the up-downgoing carrier aggregation of polymerization, said Independent Carrier Wave is the carrier wave that non-up-downgoing occurs in pairs;
The configuration information notification unit is used for when the user gets into the sub-district for the first time, notifies the configuration information of up-downgoing carrier wave in the said FDD paradigmatic system of user through the system information in the broadcast, comprises the information of said Independent Carrier Wave in the said configuration information.
A kind of carrier aggregation system that the embodiment of the invention provides; Comprise: carrier wave and Independent Carrier Wave that up-downgoing occurs in pairs; Part carrier wave in the carrier wave that said up-downgoing occurs in pairs is fixed for transmitting downlink business; All the other carrier waves are fixed for transmitting uplink service, the carrier aggregation that said Independent Carrier Wave occurs with said up-downgoing respectively according to the mode of TDM in pairs.
Embodiment of the invention carrier aggregation system and frequency spectrum fragment processing method thereof, equipment; Through with Independent Carrier Wave according to the mode of TDM (time division multiplexing) respectively with paired up-downgoing carrier aggregation; Said Independent Carrier Wave is the carrier wave that non-up-downgoing occurs in pairs; And when the user gets into the sub-district for the first time, notify the configuration information of up-downgoing carrier wave in the said FDD paradigmatic system of user through the system information in the broadcast, comprise the information of said Independent Carrier Wave in the said configuration information.Thereby can be in the FDD paradigmatic system; Except using asymmetric up-downgoing frequency spectrum to satisfy the asymmetric traffic; Can also effectively utilize this part frequency spectrum to the distribution that relatively independent frequency spectrum fragment carries out TDM; Make it on time domain, be applied to asymmetric traffic neatly, improved the utilance of FDD paradigmatic system frequency spectrum resource.
Description of drawings
Fig. 1 is the sketch map of discontinuous carrier aggregation in the prior art;
Fig. 2 is the sketch map of existing typical TDD spectrum aggregating;
Fig. 3 is the sketch map of existing typical FDD spectrum aggregating;
Fig. 4 is a kind of carrier aggregation mode sketch map in the carrier aggregation system of the embodiment of the invention;
Fig. 5 is the another kind of carrier aggregation mode sketch map in the carrier aggregation system of the embodiment of the invention;
Fig. 6 is the flow chart of the frequency spectrum fragment processing method of embodiment of the invention carrier aggregation system;
Fig. 7, Fig. 8, Fig. 9 are the sketch mapes of the protection frequency band confirmed in the method for the embodiment of the invention;
Figure 10 is the structural representation of the frequency spectrum fragment treatment facility of embodiment of the invention carrier aggregation system.
Embodiment
In order to make those skilled in the art person understand the scheme of the embodiment of the invention better, the embodiment of the invention is done further to specify below in conjunction with accompanying drawing and execution mode.
The carrier aggregation system of the embodiment of the invention; Comprise: carrier wave and Independent Carrier Wave that up-downgoing occurs in pairs; Part carrier wave in the carrier wave that said up-downgoing occurs in pairs is fixed for transmitting downlink business; All the other carrier waves are fixed for transmitting uplink service, the carrier aggregation that said Independent Carrier Wave occurs with said up-downgoing respectively according to the mode of TDM in pairs.
FDD paradigmatic system with respect to the spectrum aggregating mode of the typical FDD of prior art can be referred to as the carrier aggregation system of the embodiment of the invention atypia FDD paradigmatic system.
As shown in Figure 4, be a kind of carrier aggregation mode sketch map in the carrier aggregation system of the embodiment of the invention.
In the figure; Former polymerization carrier wave is continuous, and wherein, relatively independent carrier wave (middle scored one section of figure) frequency range is according to the different service needs; According to the mode of TDM respectively and the up-downgoing carrier aggregation of polymerization, to satisfy the possibility that operator provides various asymmetric traffics.
As shown in Figure 5, be the another kind of carrier aggregation mode sketch map in the carrier aggregation system of the embodiment of the invention.
In the figure; Former polymerization carrier wave is discontinuous, and wherein, relatively independent carrier wave (middle scored one section of figure) frequency range is according to the different service needs; According to the mode of TDM respectively and the up-downgoing carrier aggregation of polymerization, to satisfy the possibility that operator provides various asymmetric traffics.
As shown in Figure 6, be the flow chart of the frequency spectrum fragment processing method of embodiment of the invention carrier aggregation system, comprising:
Need to prove that in the FDD paradigmatic system, said Independent Carrier Wave is comparatively speaking; Be meant the carrier wave that occurs in pairs for the non-up-downgoing of operator, for this carrier wave, can be according to the different service demand; According to the mode of TDM respectively and the up-downgoing carrier aggregation of polymerization with its frequency range; That is to say, confirm that according to business demand said Independent Carrier Wave at the configuring conditions of different periods, promptly is configured to up or descending use.If desired, also will be according to said Independent Carrier Wave and the interval of adjacent carrier on frequency domain and the definite protection of the configuration information frequency band of adjacent carrier, the configuration information of said adjacent carrier comprises the duplex mode and the uplink-downlink configuration of adjacent carrier.
Can be according to following principle when confirming the protection frequency band:
If A. said Independent Carrier Wave and the interval of adjacent carrier on frequency domain are more than or equal to the bandwidth of required protection frequency band; Perhaps said Independent Carrier Wave and the interval of adjacent carrier on frequency domain are the TDD mode less than the bandwidth and the said adjacent carrier of required protection frequency band, then do not need to divide the protection frequency band in the both sides of said Independent Carrier Wave;
If B. said Independent Carrier Wave and the interval of adjacent carrier on frequency domain be less than the bandwidth of required protection frequency band, and said adjacent carrier is the FDD mode, then confirms the protection frequency band according to the uplink-downlink configuration of adjacent carrier, and is specific as follows:
B1), then do not need to divide the protection frequency band in a side of the Independent Carrier Wave adjacent with said adjacent carrier if the uplink-downlink configuration of said Independent Carrier Wave is identical with the uplink-downlink configuration of adjacent carrier;
B2) if the uplink-downlink configuration of said Independent Carrier Wave is different with the uplink-downlink configuration of adjacent carrier, then the side at the Independent Carrier Wave adjacent with said adjacent carrier marks off the protection frequency band.
Like Fig. 7, Fig. 8, shown in Figure 9, be in the method for the embodiment of the invention to above-mentioned b2) sketch mapes of several kinds of protection frequency bands confirming under the situation.
In Fig. 7, the adjacent carrier of Independent Carrier Wave both sides is configured to uplink and downlink respectively.Be configured to when descending at Independent Carrier Wave, one side of adjacent Independent Carrier Wave need not divided the protection frequency band with being configured to descending adjacent carrier, and need mark off the protection frequency band with a side of the adjacent Independent Carrier Wave that is configured to up adjacent carrier.Vice versa.
In Fig. 8, the adjacent carrier of Independent Carrier Wave both sides all is configured to up.Be configured to then need mark off the protection frequency band respectively when descending at Independent Carrier Wave in the both sides of this Independent Carrier Wave; Be configured to then need not mark off the protection frequency band respectively when up at Independent Carrier Wave in the both sides of this Independent Carrier Wave.
In Fig. 9, the adjacent carrier of Independent Carrier Wave both sides all is configured to descending.Be configured to then need mark off the protection frequency band respectively when up at Independent Carrier Wave in the both sides of this Independent Carrier Wave; Be configured to then need not mark off the protection frequency band respectively when descending at Independent Carrier Wave in the both sides of this Independent Carrier Wave.
It is thus clear that; In embodiments of the present invention; Not only can with Independent Carrier Wave according to the mode of TDM respectively with paired up-downgoing carrier aggregation; But also can divide the protection frequency band neatly according to Independent Carrier Wave and the interval of adjacent carrier on frequency domain and the configuring condition of adjacent carrier, make full use of frequency spectrum resource.
Above-mentioned which kind of polymerization methods no matter, the Independent Carrier Wave resource of non-protection frequency band all can distribute the transmission up-downgoing professional according to the time period, and uses with the carrier aggregation of polymerization.
When the configuration information through up-downgoing carrier wave in the broadcast announcement user FDD paradigmatic system, dual mode can be arranged:
(1) in system information, comprise up-link carrier and descending carrier in the current area, wherein, the up-link carrier that said Independent Carrier Wave can be used as wherein also can be used as descending carrier wherein, and promptly the up-downgoing carrier wave of notice can be not overlapping.
(2) in system information, comprise up-link carrier and descending carrier in the current area, wherein, said Independent Carrier Wave is notified as up-link carrier and descending carrier simultaneously, and promptly the up-downgoing carrier wave of notice can be overlapping, and lap is said Independent Carrier Wave.
Because in the different periods, the user is different to the demand of business, and is higher to the uplink service demand in the time of such as some, some the time higher to the downlink business demand.
Therefore, the embodiment of the invention can both satisfy user's needs for further assurance system at day part, can dynamically adjust the transmission direction of Independent Carrier Wave according to the concrete condition of business to be passed, with the idling-resource in the reduction system, improves the availability of frequency spectrum.
Particularly, in the time need switching, can notify the said user operating position of said Independent Carrier Wave in the following manner to the transmission direction of Independent Carrier Wave:
(1) broadcast announcement: before the transmission direction on the carrier wave was switched, system notified the user that the transmission means of Independent Carrier Wave is switched through broadcast.Such as, in existing PBCH (Physical Broadcast Channel), add extra information command, perhaps in SIB (system information block), add extra information command, notice is carried out the up-downgoing transmission to said Independent Carrier Wave and is switched.
(2) high-level signaling notice: utilize higher layer message to notify the user that said Independent Carrier Wave is carried out the up-downgoing transmission and switch such as RRC (Radio Resource control) signaling.
(3) descending control signaling: dynamically use descending control signaling to notify the operating position of the said Independent Carrier Wave of user, promptly this Independent Carrier Wave is in the descending carrier polymerization, to use or in the up-link carrier polymerization, use.
Need to prove that it can be semi-static that the transmission direction of Independent Carrier Wave is switched, such as, set fixing switching time; Also can be dynamic, promptly need only service needed to be passed, promptly switch at any time.
It is thus clear that; The method of the embodiment of the invention; Through with Independent Carrier Wave according to the mode of TDM respectively with paired up-downgoing carrier aggregation, said Independent Carrier Wave is the carrier wave that non-up-downgoing occurs in pairs, and when the user gets into the sub-district for the first time; Notify the configuration information of up-downgoing carrier wave in the said FDD paradigmatic system of user through the system information in the broadcast, comprise the information of said Independent Carrier Wave in the said configuration information.Thereby can be in the FDD paradigmatic system; Except using asymmetric up-downgoing frequency spectrum to satisfy the asymmetric traffic; Can also effectively utilize this part frequency spectrum to the distribution that relatively independent frequency spectrum fragment carries out TDM, make it on time domain, be applied to asymmetric traffic neatly, reduce in the system because the asymmetric wasting of resources problem that causes of professional timesharing; Promptly according to the concrete condition of business to be passed; The dynamically transmission direction of adjustment member carrier wave, thus the idling-resource in the reduction system has improved the system spectrum utilance.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be stored in the computer read/write memory medium; Described storage medium, as: ROM/RAM, magnetic disc, CD etc.
The embodiment of the invention also provides a kind of frequency spectrum fragment treatment facility of carrier aggregation system, and is shown in figure 10, is the theory diagram of this equipment.
This equipment comprises: allocation units 701 and configuration information notification unit 702.Wherein, allocation units 701 are used for the paradigmatic system at FDD, with Independent Carrier Wave according to the mode of TDM respectively with paired up-downgoing carrier aggregation, said Independent Carrier Wave is the carrier wave that non-up-downgoing occurs in pairs; Configuration information notification unit 702 is used for when the user gets into the sub-district for the first time, notifies the configuration information of up-downgoing carrier wave in the said FDD paradigmatic system of user through the system information in the broadcast, comprises the information of said Independent Carrier Wave in the said configuration information.
Preferably, allocation units 701 comprise polymerization subelement 711, also can further comprise protection frequency band division subelement 712.Wherein, polymerization subelement 711 is used for confirming in real time that according to business demand said Independent Carrier Wave uses or in the up-link carrier polymerization, uses in the descending carrier polymerization; Protection frequency band division subelement 712 is used for according to confirming to protect frequency band according to said Independent Carrier Wave and adjacent carrier interval and the configuration information of adjacent carrier on frequency domain.Particularly; Protection frequency band division subelement 712 at said Independent Carrier Wave and the interval of adjacent carrier on frequency domain less than the bandwidth of required protection frequency band; And said adjacent carrier is the FDD mode; And the uplink-downlink configuration of said Independent Carrier Wave and the uplink-downlink configuration of adjacent carrier are not simultaneously, mark off the protection frequency band in a side of the Independent Carrier Wave adjacent with said adjacent carrier.
Certainly; In the equipment of the embodiment of the invention, said allocation units 701 are not limited to above-mentioned this structure, in practical application; The frame mode that other can be arranged as required, if can with said Independent Carrier Wave according to the mode of TDM respectively with paired up-downgoing carrier aggregation.
In the equipment of this embodiment; Also can further comprise: handover information notification unit (not shown); This handover information notification unit can be same functional units with said configuration information notification unit 702; Be used for when needs carry out the frequency spectrum switching, notifying the operating position of the said Independent Carrier Wave of user through broadcast mode.This handover information notification unit also can be a functional unit different with said configuration information notification unit 702, is used for carrying out frequency spectrum when switching at needs, notifies the operating position of the said Independent Carrier Wave of user through high-level signaling or descending control signaling.Detailed process can be with reference to the description in the embodiment of the invention of front.
Utilize the frequency spectrum fragment treatment facility of embodiment of the invention carrier aggregation system; Can with Independent Carrier Wave in the FDD paradigmatic system according to the mode of TDM respectively with paired up-downgoing carrier aggregation; And when the user gets into the sub-district for the first time, notify the configuration information of up-downgoing carrier wave in the said FDD paradigmatic system of user through the system information in the broadcast.Thereby can be in the FDD paradigmatic system; Except using asymmetric up-downgoing frequency spectrum to satisfy the asymmetric traffic; Can also effectively utilize this part frequency spectrum to the distribution that relatively independent frequency spectrum fragment carries out TDM, make it on time domain, be applied to asymmetric traffic neatly, reduce in the system because the asymmetric wasting of resources problem that causes of professional timesharing; Promptly according to the concrete condition of business to be passed; The dynamically transmission direction of adjustment member carrier wave, thus the idling-resource in the reduction system has improved the system spectrum utilance.
More than the embodiment of the invention has been carried out detailed introduction, used embodiment among this paper the present invention set forth, the explanation of above embodiment just is used for help understanding method and apparatus of the present invention; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. the frequency spectrum fragment processing method of a carrier aggregation system is characterized in that, comprising:
In the FDD paradigmatic system, with Independent Carrier Wave according to the mode of TDM respectively and the up-downgoing carrier aggregation of polymerization, said Independent Carrier Wave is the carrier wave that non-up-downgoing occurs in pairs; Specifically comprise: confirm that according to business demand said Independent Carrier Wave uses or in the up-link carrier polymerization, uses in the descending carrier polymerization; According to said Independent Carrier Wave and the interval of adjacent carrier on frequency domain and the definite protection of the configuration information frequency band of adjacent carrier;
When the user gets into the sub-district for the first time, notify the configuration information of up-downgoing carrier wave in the said FDD paradigmatic system of user through the system information in the broadcast, comprise the information of said Independent Carrier Wave in the said configuration information.
2. method according to claim 1 is characterized in that, the configuration information of said adjacent carrier comprises the duplex mode and the uplink-downlink configuration of adjacent carrier; Saidly confirm that according to Independent Carrier Wave and adjacent carrier interval and the configuration information of adjacent carrier on frequency domain the protection frequency band comprises:
If said Independent Carrier Wave and the adjacent carrier interval on frequency domain is more than or equal to the bandwidth of required protection frequency band; Perhaps said Independent Carrier Wave and the interval of adjacent carrier on frequency domain are the TDD mode less than the bandwidth and the said adjacent carrier of required protection frequency band, then do not need to divide the protection frequency band in the both sides of said Independent Carrier Wave;
If said Independent Carrier Wave and the adjacent carrier interval on frequency domain is less than the bandwidth of required protection frequency band, and said adjacent carrier is the FDD mode, then confirms the protection frequency band according to the uplink-downlink configuration of adjacent carrier.
3. method according to claim 2 is characterized in that, said uplink-downlink configuration according to adjacent carrier confirms that the protection frequency band comprises:
If the uplink-downlink configuration of said Independent Carrier Wave is identical with the uplink-downlink configuration of adjacent carrier, then do not need to divide the protection frequency band in a side of the Independent Carrier Wave adjacent with said adjacent carrier;
If the uplink-downlink configuration of said Independent Carrier Wave is different with the uplink-downlink configuration of adjacent carrier, then the side at the Independent Carrier Wave adjacent with said adjacent carrier marks off the protection frequency band.
4. method according to claim 1 is characterized in that, said method also comprises:
Carry out frequency spectrum when switching at needs, notify the transmission direction in the said Independent Carrier Wave of user through broadcast signaling or high-level signaling or descending control signaling.
5. the frequency spectrum fragment treatment facility of a carrier aggregation system is characterized in that, comprising:
Allocation units are used for the paradigmatic system at FDD, and with Independent Carrier Wave according to the mode of TDM respectively and the up-downgoing carrier aggregation of polymerization, said Independent Carrier Wave is the carrier wave that non-up-downgoing occurs in pairs; Said allocation units comprise: polymerization subelement and protection frequency band division subelement;
Said polymerization subelement is used for confirming in real time that according to business demand said Independent Carrier Wave uses or in the up-link carrier polymerization, uses in the descending carrier polymerization;
Said protection frequency band division subelement is used for according to said Independent Carrier Wave and the interval of adjacent carrier on frequency domain and the definite protection of the configuration information frequency band of adjacent carrier;
The configuration information notification unit is used for when the user gets into the sub-district for the first time, notifies the configuration information of up-downgoing carrier wave in the said FDD paradigmatic system of user through the system information in the broadcast, comprises the information of said Independent Carrier Wave in the said configuration information.
6. equipment according to claim 5 is characterized in that, the configuration information of said adjacent carrier comprises the duplex mode and the uplink-downlink configuration of adjacent carrier;
Said protection frequency band division subelement at said Independent Carrier Wave and the interval of adjacent carrier on frequency domain less than the bandwidth of required protection frequency band; And said adjacent carrier is the FDD mode; And the uplink-downlink configuration of said Independent Carrier Wave and the uplink-downlink configuration of adjacent carrier are not simultaneously, mark off the protection frequency band in a side of the Independent Carrier Wave adjacent with said adjacent carrier.
When between said Independent Carrier Wave and adjacent carrier, not having enough protection frequency bands, mark off the protection frequency band respectively in the both sides of said Independent Carrier Wave; At said adjacent carrier is the carrier wave of FDD paradigmatic system, divides said protection frequency band according to the transmission situation of said adjacent carrier.
7. equipment according to claim 5 is characterized in that, also comprises:
The handover information notification unit is used for carrying out frequency spectrum when switching at needs, notifies the transmission direction in the said Independent Carrier Wave of user through broadcast signaling or high-level signaling or descending control signaling.
8. carrier aggregation system; It is characterized in that; Comprise: carrier wave and Independent Carrier Wave that up-downgoing occurs in pairs, the part carrier wave in the carrier wave that said up-downgoing occurs in pairs is fixed for transmitting downlink business, and all the other carrier waves are fixed for transmitting uplink service; The carrier aggregation that said Independent Carrier Wave occurs with said up-downgoing respectively according to the mode of TDM in pairs, said system also comprise in the claim 5 to 7 each frequency spectrum fragment treatment facility.
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| JP5756868B2 (en) | 2011-01-11 | 2015-07-29 | ノキア ソリューションズ アンド ネットワークス オサケユキチュア | Method and apparatus for non-adjacent carrier signaling in a multi-carrier broadband wireless system |
| CN102075993B (en) * | 2011-01-30 | 2013-06-05 | 大唐移动通信设备有限公司 | Method and equipment for maintaining timer in carrier aggregation system |
| KR101549763B1 (en) * | 2011-02-10 | 2015-09-02 | 엘지전자 주식회사 | Method and device for scheduling in carrier aggregate system |
| KR20140051388A (en) | 2011-08-16 | 2014-04-30 | 후지쯔 가부시끼가이샤 | Resource assignment method, base station and terminal device |
| WO2014016870A1 (en) * | 2012-07-24 | 2014-01-30 | 富士通株式会社 | Wireless terminal, wireless base station, wireless communication system, and wireless communication method |
| CN105517124B (en) * | 2015-11-28 | 2018-03-02 | 广东欧珀移动通信有限公司 | A kind of method and device of radio frequency link control |
| EP3984276A4 (en) * | 2019-06-11 | 2022-06-22 | ZTE Corporation | Methods, apparatus and systems for data transmission using bandwidth parts |
| EP4197144A4 (en) * | 2020-08-13 | 2024-05-08 | Qualcomm Inc | Carrier aggregation with uplink carrier selection |
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| CN1703113A (en) * | 2004-05-28 | 2005-11-30 | 株式会社Ntt都科摩 | A frequency selection apparatus, a mobile communications system, and a multi-band frequency resource management method |
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