CN101873646B - Measurement gap configuration method and device of multi-carrier polymerization system - Google Patents
Measurement gap configuration method and device of multi-carrier polymerization system Download PDFInfo
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- CN101873646B CN101873646B CN 200910083258 CN200910083258A CN101873646B CN 101873646 B CN101873646 B CN 101873646B CN 200910083258 CN200910083258 CN 200910083258 CN 200910083258 A CN200910083258 A CN 200910083258A CN 101873646 B CN101873646 B CN 101873646B
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- 238000005259 measurement Methods 0.000 title claims abstract description 299
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000006116 polymerization reaction Methods 0.000 title abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 230000002776 aggregation Effects 0.000 claims description 22
- 238000004220 aggregation Methods 0.000 claims description 22
- 230000011664 signaling Effects 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 13
- 230000000379 polymerizing effect Effects 0.000 claims description 9
- 239000000969 carrier Substances 0.000 abstract description 8
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Abstract
The invention discloses a measurement gap configuration method and a device of a multi-carrier polymerization system. The method comprises the following steps that: according to the measurement capability of a user terminal reported by the user terminal and the frequency points of a different frequency or a different system to be measured, the measurement gap configuration information of the user terminal is determined, and the measurement gap configuration information instructs to measure the different frequency or the different system to partial or all working member carriers of the user terminal; and the measurement gap configuration information is sent to the user terminal, and the measurement gap configuration information is used for providing the measurement of the different frequency or the different system to the user terminal when in multi-carrier polymerization transmission. The embodiment of the invention respectively configures measurement gaps to partial or all member carriers of the user terminal in a multi-carrier polymerization system, so that the user terminal does not need to stop CA transmission when entering the measurement gaps, thereby improving the data transmission quality and enhancing the transmission performance of the system and the system capacity.
Description
Technical field
The present invention relates to communication technical field, be meant a kind of collocation method and device of measurement clearance of multi-carrier aggregation system especially.
Background technology
In the wireless communication system before in Long Term Evolution (LTE) system, reaching, in the sub-district carrier wave can only be arranged, maximum bandwidth is 20MHz in the LTE system, and is as shown in Figure 1.
(LTE Advanced, LTE-A) in the system, the peak rate of system has huge raising than LTE, requires to reach descending 1Gbps, up 500Mbps at advanced person's Long Term Evolution.On the bandwidth of 20MHz, can't satisfy this demand.The LTE-A system introduces carrier aggregation, and (Carrier Aggregation, CA) technology in the promptly same sub-district, concentrate in together continuous or discrete a plurality of carrier waves, are user terminal (UE) service when needed simultaneously, so that required speed to be provided.For the UE that guarantees LTE can work under the carrier wave of each polymerization, each carrier wave maximum is no more than 20MHz.
Shown in Figure 2 in the LTE-A system cell that adopts the CA technology, polymerization 4 carrier waves, transfer of data can be carried out with UE simultaneously in the base station on 4 carrier waves, to improve throughput of system.Here will support that the communication system of CA function is called multi-carrier aggregation system.
In order to realize that the sub-district between alien frequencies or the different system switches, system needs in the certain hour section, the quit work data transmit-receive of frequency range of configurating terminal, changes the information such as channel quality of measuring alien-frequency district or different system cell into.This time period is called measurement clearance (gap), 6ms is arranged as measuring gap in the LTE system among every 40ms of a general configuration or the 80ms.Fig. 3 has disposed the single carrier transfer of data sketch map of measuring gap, according to the allocation plan of measurement gap shown in Figure 3, and user terminal can not be received and dispatched working frequency range in measuring gap any information.
But; Also there is not at present to realize in the multicarrier system allocation plan of measurement gap; Carry out the multi-carrier polymerizing transmission at user terminal and the time just can't carry out the measurement of alien frequencies or different system, therefore, how the measurement gap of allocating multiple carrier system becomes the problem of a needs solution.
Summary of the invention
The present invention provides a kind of collocation method and device of measurement clearance of multi-carrier aggregation system, is implemented in the configuration of the measurement clearance in the multicarrier system, makes user terminal when carrying out the multi-carrier polymerizing transmission, can realize the measurement of alien frequencies or different system.
The collocation method of the measurement clearance of a kind of multi-carrier aggregation system that the embodiment of the invention provides comprises:
According to the measurement capability information of this user terminal of user terminal to send up and the frequency of required measurement alien frequencies or different system, to the part or all of member carrier allocating and measuring gap that this user terminal is being worked, obtain the measurement clearance configuration information of this user terminal,
Above-mentioned measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement; Comprise: need the member carrier number of allocating and measuring gap, need each member carrier sign of allocating and measuring gap and the pairing measurement clearance of each member carrier that needs allocating and measuring gap;
Above-mentioned measurement clearance configuration information is sent to this user terminal.
A kind of collocation method of measurement clearance of multi-carrier polymerizing comprises:
Confirm the measurement clearance configuration information of this user terminal according to the frequency of the measurement capability information of this user terminal of user terminal to send up and required measurement alien frequencies or different system; Wherein, If the measurement capability information of this user terminal of this user terminal to send up comprises that the measurement clearance configuration information of this user terminal of then confirming comprised the frequency point information that needs this user terminal measurement alien frequencies or different system when member carrier that this user terminal is being worked did not need measurement clearance;
Above-mentioned measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
Above-mentioned measurement clearance configuration information is sent to this user terminal.
The inking device of the measurement clearance of a kind of multi-carrier aggregation system that the embodiment of the invention provides comprises:
Dispensing unit; Be used for according to the measurement capability information of this user terminal of user terminal to send up and the frequency of required measurement alien frequencies or different system; The part or all of member carrier allocating and measuring gap that this user terminal is being worked; Obtain the measurement clearance configuration information of this user terminal; Above-mentioned measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement, comprising: need the member carrier number of allocating and measuring gap, need each member carrier sign of allocating and measuring gap and the pairing measurement clearance of each member carrier that needs allocating and measuring gap;
Transmitting element is used for above-mentioned measurement clearance configuration information is sent to this user terminal.
A kind of inking device of measurement clearance of multi-carrier aggregation system comprises:
Dispensing unit; If when being used for member carrier that the measurement capability information of this user terminal of this user terminal to send up comprises that this user terminal is being worked and not needing measurement clearance; The measurement clearance configuration information of this user terminal of confirming comprises the frequency point information that needs this user terminal measurement alien frequencies or different system, and above-mentioned measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
Transmitting element is used for above-mentioned measurement clearance configuration information is sent to this user terminal.
The method that a kind of user terminal that the embodiment of the invention provides is measured alien frequencies or different system comprises:
User terminal receives the measurement clearance configuration information that evolution base station sends, and above-mentioned measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
When above-mentioned measurement clearance configuration information comprises: need the member carrier number of allocating and measuring gap, when needing each member carrier sign of allocating and measuring gap and needing the pairing measurement clearance of each member carrier of allocating and measuring gap,
This user terminal in the enterprising data transfer of the carrier wave that does not have allocating and measuring gap, is disposing the measurement of carrying out alien frequencies or different system on the carrier wave of measurement clearance when getting into above-mentioned measurement clearance.
The method that a kind of user terminal is measured alien frequencies or different system comprises:
User terminal receives the measurement clearance configuration information that evolution base station sends, and above-mentioned measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
When the member carrier of working when this user terminal does not need measurement clearance, and above-mentioned measurement clearance configuration information is when comprising the frequency point information that needs this user terminal measurement alien frequencies or different system,
This user terminal utilizes at least one self not need the corresponding receiver of measurement clearance that above-mentioned alien frequencies or different system are measured.
A kind of user terminal comprises:
Receiving element; Be used to receive the measurement clearance configuration information that evolution base station sends; Comprise the part or all of member carrier allocating and measuring gap that this user terminal is being worked in the above-mentioned measurement clearance configuration information, above-mentioned measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
Measuring unit; Be used for comprising: the member carrier number that needs allocating and measuring gap at above-mentioned measurement clearance configuration information; When needing each member carrier sign of allocating and measuring gap and needing the pairing measurement clearance of each member carrier of allocating and measuring gap; And when getting into above-mentioned measurement clearance,, disposing the measurement of carrying out alien frequencies or different system on the carrier wave of measurement clearance in the enterprising data transfer of the carrier wave that does not have allocating and measuring gap.
A kind of user terminal is characterized in that, comprising:
Receiving element; Be used to receive the measurement clearance configuration information that evolution base station sends; Comprise the part or all of member carrier allocating and measuring gap that this user terminal is being worked in the above-mentioned measurement clearance configuration information, above-mentioned measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
Measuring unit; When the member carrier that is used for working at this user terminal does not need measurement clearance; And when above-mentioned measurement clearance configuration information comprises the frequency point information that needs this user terminal measurement alien frequencies or different system, utilize at least one self not need the corresponding receiver of measurement clearance that above-mentioned alien frequencies or different system are measured.
In embodiments of the present invention; Confirm the measurement clearance configuration information of this user terminal according to the frequency of the measurement capability information of this user terminal of user terminal to send up and required measurement alien frequencies or different system; Said measurement clearance configuration information is sent to this user terminal; And said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement; Said measurement clearance configuration information makes user terminal when carrying out the multi-carrier polymerizing transmission, can realize the measurement of alien frequencies or different system.The embodiment of the invention is directed against the part or all of member carrier difference allocating and measuring gap of user terminal in multi-carrier aggregation system; User terminal is when getting into measurement clearance; Need not to stop the CA transmission, can improve data transmission quality, enhanced system transmission performance and power system capacity.
Description of drawings
Fig. 1 is the distribution of carriers sketch map of LTE sub-district;
Fig. 2 is for adopting the LTE-A cell carrier distribution schematic diagram of CA;
Fig. 3 has disposed the single carrier transfer of data sketch map of measuring gap;
Fig. 4 is a method of utilizing single carrier allocating and measuring gap, the transfer of data sketch map when multi-carrier aggregation system allocating and measuring gap;
Fig. 5 realizes a kind of schematic flow sheet of collocation method of measurement clearance of multi-carrier aggregation system for the embodiment of the invention;
The inking device structural representation of the measurement clearance of the multi-carrier aggregation system that Fig. 6 provides for the embodiment of the invention;
When Fig. 7 is the multi-receiver terminal for user terminal, the distribution schematic diagram of allocating and measuring gap embodiment 1;
When Fig. 8 is the multi-receiver terminal for user terminal, the distribution schematic diagram of allocating and measuring gap embodiment 2;
When Fig. 9 is the multi-receiver terminal for user terminal, the distribution schematic diagram of allocating and measuring gap embodiment 3;
Embodiment
If will be applied directly in the multicarrier system at the collocation method of the measurement clearance in the existing LTE system, then can produce situation as shown in Figure 4, that is: any information of all working frequency range can not be received and dispatched in the terminal in measurement clearance.
According to prior art, in multi-carrier aggregation system, if according to the collocation method of the measurement gap of prior art; In case need carry out alien frequencies or isosystem measurement; UE need stop the transfer of data work in this sub-district, therefore, can cause certain influence to data transmission quality and power system capacity.
The embodiment of the invention is the part or all of member carrier allocating and measuring gap of this user terminal being worked according to the frequency of the measurement capability information of this user terminal of user terminal to send up and required measurement alien frequencies or different system, obtains the measurement clearance configuration information; Said measurement clearance configuration information is sent to this user terminal, and said measurement clearance configuration information is used to offer this user terminal and carries out carrying out when multi-carrier polymerizing transmits the measurement of alien frequencies or different system.
In embodiments of the present invention, the part or all of member carrier allocating and measuring gap that this user terminal is being worked, and the measurement clearance of each member carrier configuration can be identical, and also can be different.
Referring to shown in Figure 5, the collocation method of the measurement clearance of a kind of multi-carrier aggregation system of the embodiment of the invention specifically may further comprise the steps:
Step 501: evolution base station is confirmed the measurement clearance configuration information of this user terminal according to the frequency of the measurement capability information of this user terminal of user terminal to send up and required measurement alien frequencies or different system.Said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement.
Specifically can be according to the measurement capability information of this user terminal of user terminal to send up and the frequency of required measurement alien frequencies or different system; The part or all of member carrier allocating and measuring gap that this user terminal is being worked; Obtain the measurement clearance configuration information of this user terminal; At this moment; The said measurement clearance configuration information of confirming can comprise: need the member carrier number of allocating and measuring gap, need each member carrier sign of allocating and measuring gap and the pairing measurement clearance of each member carrier that needs allocating and measuring gap.
If the measurement capability information of this user terminal of this user terminal to send up comprises that when member carrier that this user terminal is being worked did not need measurement clearance, the measurement clearance configuration information of this user terminal that evolution base station is confirmed can comprise the frequency point information that needs this user terminal measurement alien frequencies or different system.
Said measurement capability information comprises the member carrier information of working of this user terminal; Whether also may further include the receiver quantity of this user terminal and the frequency acceptance band information of each receiver, can further include each member carrier information of working of this user terminal needs measurement clearance etc.That is to say; Said measurement capability information is removed the member carrier information of working that need comprise this user terminal, and whether also may further include the receiver quantity of this user terminal and frequency acceptance band information and each member carrier information of working of this user terminal of each receiver needs the one or more combination in the measurement clearance.
And user terminal can also further report volume of transmitted data, channel quality and the bandwidth etc. of the member carrier of this user terminal, and under the situation that user terminal does not report, these information also can independently be obtained by the base station.Accordingly; Also can select part or all of member carrier allocating and measuring gap in the step 501 according in volume of transmitted data, channel quality and the bandwidth of the member carrier of the frequency of the measurement capability information of this user terminal of user terminal to send up and required measurement alien frequencies or different system and this user terminal one or more.
Step 502: evolution base station sends to this user terminal with said measurement clearance configuration information, and said measurement clearance configuration information is used to offer this user terminal and carries out carrying out when multi-carrier polymerizing transmits the measurement of alien frequencies or different system.
Here, evolution base station can will contain said measurement clearance configuration information through the RRC signaling and send to this user terminal.
Referring to shown in the table 1, in the present embodiment, the RRC signaling is carried the measurement clearance configuration information through the measurement clearance configured list.Comprise in the measurement clearance configured list needing the member carrier of allocating and measuring gap number, need each member carrier sign of allocating and measuring gap and the configuration list item that needs the pairing measurement clearance of each member carrier of allocating and measuring gap.
The variable-length of measurement clearance configured list, length wherein " are measured the gap configuration " and are continued to use the content that has the RRC agreement now by the member carrier number N decision that needs allocating and measuring gap, promptly comprise cycle and the original position (offset) of this measurement gap.The length of tabulation can be indicated through an independent IE (information unit).
| The member carrier number that needs allocating and measuring gap | ?N |
| The member carrier sign that needs allocating and measuring gap | The measurement gap that member carrier is corresponding |
| ＞ |
|
| ＞ |
|
| ?…… | …… |
| ＞member carrier N | Measure gap configuration N |
Table 1
After this, after said measurement clearance configuration information was sent to this user terminal, evolution base station can be according to said measurement clearance configuration information in enterprising line data scheduling of the carrier wave that does not have allocating and measuring gap and feedback.That is to say, enterprising line data scheduling of the member carrier that evolution base station does not conflict with measurement clearance at transfer resource and feedback, this user terminal with on the member carrier that measurement clearance is conflicted is not monitored dispatching command and is carried out data transmit-receive and feedback at transfer resource.
Referring to shown in Figure 6, the inking device of the measurement clearance of a kind of multi-carrier aggregation system that the embodiment of the invention provides comprises: dispensing unit 61 and transmitting element 62.
Dispensing unit 61 is used for confirming according to the frequency of the measurement capability information of this user terminal of user terminal to send up and required measurement alien frequencies or different system the measurement clearance configuration information of this user terminal;
Transmitting element 62 is used for said measurement clearance configuration information is sent to this user terminal, and said measurement clearance configuration information is used to offer this user terminal and carries out carrying out when multi-carrier polymerizing transmits the measurement of alien frequencies or different system.
Can further include: data transmission unit is used for according to said measurement clearance configuration information in enterprising line data scheduling of the carrier wave that does not have allocating and measuring gap and feedback.
Said dispensing unit 61; Be used for according to the measurement capability information of this user terminal of user terminal to send up and the frequency of required measurement alien frequencies or different system; The part or all of member carrier allocating and measuring gap that this user terminal is being worked; Obtain the measurement clearance configuration information of this user terminal; Said measurement clearance configuration information comprises: need the member carrier number of allocating and measuring gap, need each member carrier sign of allocating and measuring gap and the pairing measurement clearance of each member carrier that needs allocating and measuring gap.
Said dispensing unit 61; If when being used for member carrier that the measurement capability information of this user terminal of this user terminal to send up comprises that this user terminal is being worked and not needing measurement clearance, the measurement clearance configuration information of this definite user terminal comprises the frequency point information that needs this user terminal measurement alien frequencies or different system.
Said dispensing unit 61; Be used for according to one or more of volume of transmitted data, channel quality and the bandwidth of the member carrier of the frequency of the measurement capability information of this user terminal of user terminal to send up and required measurement alien frequencies or different system and this user terminal each member carrier of working allocating and measuring gap respectively to user terminal.
Said transmitting element 62 will contain said measurement clearance configuration information through the RRC signaling and send to this user terminal.
Said measurement capability information comprises whether frequency acceptance band information and each member carrier information of working of this user terminal of receiver quantity and each receiver of the member carrier information of working, this user terminal of this user terminal needs one or more in the measurement clearance.
Referring to shown in Figure 7, to the collocation method of above-mentioned measurement clearance, the method that the embodiment of the invention also provides user terminal that alien frequencies or different system are measured, detailed process is following:
Step 701: said user terminal receives the measurement clearance configuration information that evolution base station sends, and comprises the part or all of member carrier allocating and measuring gap that this user terminal is being worked in the said measurement clearance configuration information;
Step 702: said user terminal carries out the measurement of alien frequencies or different system according to said measurement clearance configuration information.
When said measurement clearance configuration information comprises: the member carrier number that needs allocating and measuring gap; When needing each member carrier sign of allocating and measuring gap and needing the pairing measurement clearance of each member carrier of allocating and measuring gap; When getting into said measurement clearance; Said user terminal carries out transfer of data at the carrier wave that does not have allocating and measuring gap, carries out the measurement of alien frequencies or different system at the carrier wave that disposes measurement clearance.
When the member carrier of working when this user terminal does not need measurement clearance; And when said measurement clearance configuration information comprised the frequency point information that needs this user terminal measurement alien frequencies or different system, this user terminal utilized at least one self not need the corresponding receiver of measurement clearance that said alien frequencies or different system are measured.
Said user terminal can be the multi-receiver terminal, wherein corresponding at least one member carrier of working of each receiver.Said user terminal also can be single-receiver, i.e. broadband receiver.
A kind of user terminal that the embodiment of the invention provides comprises: receiving element and measuring unit.Receiving element is used to receive the measurement clearance configuration information that evolution base station sends; Comprise the part or all of member carrier allocating and measuring gap that this user terminal is being worked in the said measurement clearance configuration information, said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement; Measuring unit carries out the measurement of alien frequencies or different system according to said measurement clearance configuration information.
Lift some embodiment with UE during for multi-receiver below implementation of the present invention is described.
When UE reports the Access Network ability of oneself to the network survey; Can support which frequency band (band) by informing network oneself; When which frequency measurement, need gap; Support simultaneously what the corresponding frequency acceptance band of several receivers and each receiver is, perhaps can reason out some other forms of information of this information.
When UE carries out the CA transmission; The measurement capability information that evolution base station reports according to UE; As: the member carrier information of working that need comprise this user terminal; Whether frequency acceptance band information and each member carrier information of working of this user terminal of receiver quantity and each receiver need measurement clearance etc., and combination needs the alien frequencies of this user terminal measurement or the frequency of different system, the member carrier allocating and measuring gap that is carrying out work for this user terminal.
Shown in figure, UE comprises 3 receivers, and evolution base station (eNB) scheduling UE carries out the CA transmission on 3 discontinuous member carriers; Receiver 1 works in frequency f1; Receiver 2 works in frequency f2, and receiver 3 works in frequency f3, and eNB hopes that UE carries out the measurement of the f4 and the f5 of alien frequencies or different system; UE is when f1, f2 and the work of f3 frequency, and it is as shown in table 2 that f4 and f5 are carried out the required measurement gap ability of different-frequency measure.
| ?f4 | ?f5 | |
| f1 | Need gap | Need gap |
| f2 | Do not need gap | Need gap |
| f3 | Need gap | Do not need gap |
Table 2
Embodiment 1:
Referring to shown in Figure 7, eNB is allocating and measuring gap on f1 only.At this moment, eNB can be through special RRC signaling UE to member carrier f1 allocating and measuring gap, and to f2 and f3 allocating and measuring gap not.Like this, UE receives after this RRC signaling, according to the content of signaling, and allocating and measuring gap on f1, and on f2 and f3, work on.When not getting into measurement gap, UE continues on 3 carrier waves, to carry out the CA transmission; When getting into measurement gap; UE just uses the corresponding receiver 1 of f1 on alien frequencies f4 or f5, to measure, and on the corresponding receiver 2 of f2 and f3 and receiver 3, proceeds the CA transmission, shown in 5 scheme; Only during the measurement gap of f1; Can not carry out the CA transmission, the influence that the other times transmission is not all measured can improve whole message transmission rate like this.
Embodiment 2:
Referring to shown in Figure 8, only select only allocating and measuring gap on f2 at allocating and measuring gap eNB on the f2.In this case, f2 can carry out the measurement of f4 between the CA transmission period, during gap, carries out the measurement of f5.Equally also can improve whole message transmission rate.Give the situation of f3 allocating and measuring gap separately and give f2 allocating and measuring gap similar separately.
Embodiment 3:
As shown in Figure 9, equal allocating and measuring gap on f2 and f3.To f1 and f2 allocating and measuring gap, the configuration of the two can be identical respectively for eNB, also can be different.In this case, UE can utilize the corresponding receiver of f1 to measure f4 in measuring gap, utilizes the corresponding receiver of f2 to measure f5, reaches the purpose of measuring two frequencies simultaneously, has improved the efficient of measuring.But may lose some message transmission rates this moment.
Embodiment 4:
Because measuring f4, f2 need not measure gap; F3 measures f5 need not measure gap, eNB also can be fully allocating and measuring gap not, the frequency of only notifying UE to measure is f4 and f5; This moment, UE will initiatively utilize the corresponding receiver of f2 to measure f4, and the receiver that f3 is corresponding is measured f5.Can improve message transmission rate to greatest extent in this case, but lack the flexibility of measuring.
The configuration that eNB selects above which kind of mode to measure gap mainly is to depend on the measurement capability of UE and the frequency of required measurement, in addition, also can depend on the volume of transmitted data, channel quality, bandwidth of current member carrier etc.For example, f1 is last to have mass data to transmit, if this moment on f1 allocating and measuring gap; To influence its message transmission rate, and then reduce the receiving velocity of UE, and the last message transmission rate of f2 is lower; Can consider to adopt the mode among the embodiment 2 this moment, only allocating and measuring gap on f2.
When user terminal is broadband receiver, the alien frequencies that requirement need to be measured or the carrier frequency of different system in current reception bandwidth, and; Under the situation that receiver identity allows; Evolution base station is allocating and measuring gap on the part member carrier, in the transmitting-receiving of retaining part carrier data, carries out different-frequency measure; Therefore, can improve the efficiency of transmission of system.
And when user terminal was broadband receiver, the alien frequencies that need measure or the carrier frequency of different system were divided into two kinds of situation not in current reception bandwidth:
A) carrier frequency of alien frequencies or different system and current all member carriers are not in the reception bandwidth range of receiver; Receiver bandwidth 100MHz for example; Current have two member carrier: f1 with (f1+80MHz), and the carrier frequency of iso-frequency adjacent community is (f1-100MHz).In this case, behind receiver allocating and measuring gap, measure gap as long as get into, UE just can not work in the frequency band of this sub-district, and is just the same with the LTE system.
B) carrier frequency of alien frequencies or different system with when the forward part member carrier in the reception bandwidth range of receiver; Receiver bandwidth 100MHz for example; Current have two member carrier: f1 with (f1+80MHz), and the carrier frequency of iso-frequency adjacent community is (f1+100MHz).If do not allow to change the bandwidth of operation of current transceive data, this situation is a) identical with situation, behind receiver allocating and measuring gap, measures gap as long as get into, and UE just can not receive and dispatch the data of this sub-district, and is just the same with the LTE system.
A kind of in addition situation is as long as satisfy the operation of receiver bandwidth, can partly change working band.This moment can be to part member carrier allocating and measuring gap so.
ENB perhaps through MAC dynamic dispatching UE, when a plurality of member carriers carry out the CA transmission, can dispose the measurement gap of these member carriers through special RRC signaling UE.When the member carrier change of CA transmission perhaps takes place, can reconfigure the measurement gap of each member carrier in the process of carrying out the CA transmission.
The embodiment of the invention is under the situation of carrier aggregation; ENB is according to the measurement capability of user terminal and the frequency of required measurement; To the independent allocating and measuring gap of each member carrier of working of this user terminal, can send it to this user terminal through the measurement gap configured list in the RRC signaling then.This user terminal receives after this RRC signaling, to corresponding carriers allocating and measuring gap, and carries out follow-up transfer of data and surveying work according to the content in this RRC signaling.The embodiment of the invention makes full use of the characteristics of carrier aggregation, and the measurement gap of flexible configuration member carrier has improved data transmission quality and power system capacity.
The application of the embodiment of the invention can make user terminal when carrying out the multi-carrier polymerizing transmission, realizes the measurement of alien frequencies or different system.And; To the part or all of carrier wave difference allocating and measuring gap of user terminal, user terminal can need not to stop the CA transmission to the embodiment of the invention when getting into measurement clearance in multi-carrier aggregation system; Improve data transmission quality, strengthened system transmissions performance and power system capacity.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (26)
1. the collocation method of the measurement clearance of a multi-carrier aggregation system is characterized in that, this method comprises:
According to the measurement capability information of this user terminal of user terminal to send up and the frequency of required measurement alien frequencies or different system, to the part or all of member carrier allocating and measuring gap that this user terminal is being worked, obtain the measurement clearance configuration information of this user terminal,
Said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement; Comprise: need the member carrier number of allocating and measuring gap, need each member carrier sign of allocating and measuring gap and the pairing measurement clearance of each member carrier that needs allocating and measuring gap;
Said measurement clearance configuration information is sent to this user terminal.
2. method according to claim 1 is characterized in that, the said part or all of member carrier allocating and measuring gap that this user terminal is being worked comprises:
According in volume of transmitted data, channel quality and the bandwidth of the member carrier of the frequency of the measurement capability information of this user terminal of user terminal to send up and required measurement alien frequencies or different system and this user terminal one or more, select part or all of member carrier allocating and measuring gap.
3. method according to claim 1; It is characterized in that; Said measurement capability information comprises whether frequency acceptance band information and each member carrier information of working of this user terminal of receiver quantity and each receiver of the member carrier information of working, this user terminal of this user terminal needs one or more in the measurement clearance.
4. method according to claim 1 is characterized in that, said measurement clearance configuration information is sent to this user terminal, comprising:
Evolution base station will contain said measurement clearance configuration information through the RRC signaling and send to this user terminal.
5. according to each described method in the claim 1～4, it is characterized in that after said measurement clearance configuration information was sent to this user terminal, this method further comprised:
Dispatch and feedback at the enterprising line data of the carrier wave that does not have allocating and measuring gap according to said measurement clearance configuration information.
6. the collocation method of the measurement clearance of a multi-carrier polymerizing is characterized in that, comprising:
Confirm the measurement clearance configuration information of this user terminal according to the frequency of the measurement capability information of this user terminal of user terminal to send up and required measurement alien frequencies or different system; Wherein, If the measurement capability information of this user terminal of this user terminal to send up comprises that the measurement clearance configuration information of this user terminal of then confirming comprised the frequency point information that needs this user terminal measurement alien frequencies or different system when member carrier that this user terminal is being worked did not need measurement clearance;
Said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
Said measurement clearance configuration information is sent to this user terminal.
7. method according to claim 6; It is characterized in that; Said measurement capability information comprises whether frequency acceptance band information and each member carrier information of working of this user terminal of receiver quantity and each receiver of the member carrier information of working, this user terminal of this user terminal needs one or more in the measurement clearance.
8. method according to claim 6 is characterized in that, said measurement clearance configuration information is sent to this user terminal, comprising:
Evolution base station will contain said measurement clearance configuration information through the RRC signaling and send to this user terminal.
9. according to each described method in the claim 6～8, it is characterized in that after said measurement clearance configuration information was sent to this user terminal, this method further comprised:
Dispatch and feedback at the enterprising line data of the carrier wave that does not have allocating and measuring gap according to said measurement clearance configuration information.
10. the inking device of the measurement clearance of a multi-carrier aggregation system is characterized in that, comprising:
Dispensing unit; Be used for according to the measurement capability information of this user terminal of user terminal to send up and the frequency of required measurement alien frequencies or different system; The part or all of member carrier allocating and measuring gap that this user terminal is being worked; Obtain the measurement clearance configuration information of this user terminal; Said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement, comprising: need the member carrier number of allocating and measuring gap, need each member carrier sign of allocating and measuring gap and the pairing measurement clearance of each member carrier that needs allocating and measuring gap;
Transmitting element is used for said measurement clearance configuration information is sent to this user terminal.
11. device according to claim 10; It is characterized in that; Said dispensing unit; Be used for according to one or more of volume of transmitted data, channel quality and the bandwidth of the member carrier of the frequency of the measurement capability information of this user terminal of user terminal to send up and required measurement alien frequencies or different system and this user terminal each member carrier of working allocating and measuring gap respectively to user terminal.
12. device according to claim 10 is characterized in that, said transmitting element will contain said measurement clearance configuration information through the RRC signaling and send to this user terminal.
13. device according to claim 10; It is characterized in that; Said measurement capability information comprises whether frequency acceptance band information and each member carrier information of working of this user terminal of receiver quantity and each receiver of the member carrier information of working, this user terminal of this user terminal needs one or more in the measurement clearance.
14. according to each described device in the claim 10～13, it is characterized in that, also further comprise:
Data transmission unit is used for according to said measurement clearance configuration information in enterprising line data scheduling of the carrier wave that does not have allocating and measuring gap and feedback.
15. the inking device of the measurement clearance of a multi-carrier aggregation system is characterized in that, comprising:
Dispensing unit; If when being used for member carrier that the measurement capability information of this user terminal of user terminal to send up comprises that this user terminal is being worked and not needing measurement clearance; The measurement clearance configuration information of this user terminal of confirming comprises the frequency point information that needs this user terminal measurement alien frequencies or different system, and said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
Transmitting element is used for said measurement clearance configuration information is sent to this user terminal.
16. device according to claim 15 is characterized in that, said transmitting element will contain said measurement clearance configuration information through the RRC signaling and send to this user terminal.
17. device according to claim 15; It is characterized in that; Said measurement capability information comprises whether frequency acceptance band information and each member carrier information of working of this user terminal of receiver quantity and each receiver of the member carrier information of working, this user terminal of this user terminal needs one or more in the measurement clearance.
18. according to each described device in the claim 15～17, it is characterized in that, also further comprise:
Data transmission unit is used for according to said measurement clearance configuration information in enterprising line data scheduling of the carrier wave that does not have allocating and measuring gap and feedback.
19. the method that a user terminal is measured alien frequencies or different system is characterized in that this method comprises:
Said user terminal receives the measurement clearance configuration information that evolution base station sends, and said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
When said measurement clearance configuration information comprises: need the member carrier number of allocating and measuring gap, when needing each member carrier sign of allocating and measuring gap and needing the pairing measurement clearance of each member carrier of allocating and measuring gap,
Said user terminal in the enterprising data transfer of the carrier wave that does not have allocating and measuring gap, is disposing the measurement of carrying out alien frequencies or different system on the carrier wave of measurement clearance when getting into said measurement clearance.
20. method according to claim 19 is characterized in that, said user terminal is the multi-receiver terminal, wherein the corresponding at least member carrier of working of each receiver.
21. method according to claim 19 is characterized in that, said user terminal is a broadband receiver.
22. the method that a user terminal is measured alien frequencies or different system is characterized in that this method comprises:
Said user terminal receives the measurement clearance configuration information that evolution base station sends, and said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
When the member carrier of working when this user terminal does not need measurement clearance, and said measurement clearance configuration information is when comprising the frequency point information that needs this user terminal measurement alien frequencies or different system,
Said user terminal utilizes at least one self not need the corresponding receiver of measurement clearance that said alien frequencies or different system are measured.
23. method according to claim 22 is characterized in that, said user terminal is the multi-receiver terminal, wherein the corresponding at least member carrier of working of each receiver.
24. method according to claim 22 is characterized in that, said user terminal is a broadband receiver.
25. a user terminal is characterized in that, comprising:
Receiving element; Be used to receive the measurement clearance configuration information that evolution base station sends; Comprise the part or all of member carrier allocating and measuring gap that this user terminal is being worked in the said measurement clearance configuration information, said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
Measuring unit; Be used for comprising and need the member carrier of allocating and measuring gap number at said measurement clearance configuration information; When needing each member carrier sign of allocating and measuring gap and needing the pairing measurement clearance of each member carrier of allocating and measuring gap; And when getting into said measurement clearance,, disposing the measurement of carrying out alien frequencies or different system on the carrier wave of measurement clearance in the enterprising data transfer of the carrier wave that does not have allocating and measuring gap.
26. a user terminal is characterized in that, comprising:
Receiving element; Be used to receive the measurement clearance configuration information that evolution base station sends; Comprise the part or all of member carrier allocating and measuring gap that this user terminal is being worked in the said measurement clearance configuration information, said measurement clearance configuration information is that the member carrier that this user terminal is partly or entirely being worked is carried out the indication of alien frequencies or isosystem measurement;
Measuring unit; When the member carrier that is used for working at this user terminal does not need measurement clearance; And when said measurement clearance configuration information comprises the frequency point information that needs this user terminal measurement alien frequencies or different system, utilize at least one self not need the corresponding receiver of measurement clearance that said alien frequencies or different system are measured.
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| CN 200910083258 CN101873646B (en) | 2009-04-27 | 2009-04-27 | Measurement gap configuration method and device of multi-carrier polymerization system |
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| CN 200910083258 CN101873646B (en) | 2009-04-27 | 2009-04-27 | Measurement gap configuration method and device of multi-carrier polymerization system |
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