CN103975540B - The method and device of transmission and the reception of Dedicated Physical Control Channel - Google Patents
The method and device of transmission and the reception of Dedicated Physical Control Channel Download PDFInfo
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- CN103975540B CN103975540B CN201280001999.0A CN201280001999A CN103975540B CN 103975540 B CN103975540 B CN 103975540B CN 201280001999 A CN201280001999 A CN 201280001999A CN 103975540 B CN103975540 B CN 103975540B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
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Abstract
The method and device of transmission and the reception of a kind of Dedicated Physical Control Channel (DPCCH) are provided.The transmission method of DPCCH includes：Generate the first transmitting power control (TPC) information and the second transmitting power control (TPC) information (11), wherein described first TPC information is used to indicate the downlink power control of the base station belonging to first community, and the 2nd TPC information is used to indicate the downlink power control of the base station belonging to second community；A TPC information is sent to the base station belonging to the first community, the 2nd TPC information (12) is sent to the base station belonging to the second community.Due to two TPC information of generation, and the two TPC information indicate respectively the downlink power control of the base station belonging to two different districts, therefore two downlinks can carry out independent power control operation.Using the present invention, it is ensured that when two downlink qualities are widely different, the downlink power control of both links.
Description
Technical field
The present invention relates to the communications field, in particular to Dedicated Physical Control Channel (DPCCH, Dedicated
Physical Control Channel) transmission method and transmitting device, the method for reseptance and reception device of DPCCH, and
User equipment and base station.
Background technology
With the technology such as multithread (MF, Multiflow) and heterogeneous network (Hetnet, Heterogeneous Network)
Introducing, especially when both technologies and multicarrier are used in combination, it is more likely that two downlink qualities occur not
Unanimously, or even the very big situation of link difference.In the prior art, two cells use an identical descending power control
System, i.e., only by transmitting power control (TPC, Transmission a Power carried on up DPCCH channels
Control) information completes the downlink power control of both links.But a downlink power control is maintained in the case of this again just
Improper, it can cause two downlink qualities, and serious inconsistent (for example, one needs power per liter, another is but needed
Power drops), or even the problem that descending step-out occurs.
The content of the invention
The present invention proposes the transmission method and transmitting device of a kind of DPCCH, the method for reseptance and reception device of DPCCH,
And user equipment and base station, it is intended to solve the problems, such as two Power Controls of cell.
A kind of first aspect, it is proposed that transmission method of DPCCH, including：A TPC information and the 2nd TPC information are generated,
Wherein described first TPC information is used to indicate the downlink power control of the base station belonging to first community, and the 2nd TPC information is used
In the downlink power control for indicating the base station belonging to second community；Described first is sent to the base station belonging to the first community
TPC information, the 2nd TPC information is sent to the base station belonging to the second community.
With reference in a first aspect, in the first embodiment of first aspect, a TPC information and the 2nd TPC
Information is by the DPCCH channel bearings, wherein the first TPC information and the 2nd TPC information are coded independently, Huo Zhesuo
State a TPC information and the 2nd TPC information is jointly encoded.
It is described to described first in the second embodiment of first aspect with reference to the first embodiment of first aspect
Base station belonging to cell sends a TPC information, and the 2nd TPC information is sent to the base station belonging to the second community
Including：When a TPC information and the 2nd TPC information are coded independently, on identical time slot, respectively to described
Base station belonging to one cell sends a TPC information, and sends described second to the base station belonging to the second community
TPC information；Or when a TPC information and the 2nd TPC information are jointly encoded, on identical time slot, while
A TPC information of combined coding is sent to the base station belonging to the base station belonging to the first community and the second community
With the 2nd TPC information.
With reference in a first aspect, in the 3rd implementation method of first aspect, a TPC information and the 2nd TPC
Information is transmitted in a time division manner, wherein the first TPC information and the 2nd TPC information by when Coded.
It is described to described first in the 4th implementation method of first aspect with reference to the 3rd implementation method of first aspect
Base station belonging to cell sends a TPC information, and the 2nd TPC information is sent to the base station belonging to the second community
Including：When a TPC information and the 2nd TPC information by when Coded when, on interval slots in a time division manner, point
A TPC information is not sent to the base station belonging to the first community, and is sent out to the base station belonging to the second community
Send the 2nd TPC information.
A kind of second aspect, it is proposed that method of reseptance of DPCCH, including：Base station belonging to first community is from user equipment
(UE, User Equipment) obtains a TPC information, wherein the first TPC information is used to indicate the first community institute
The downlink power control of the base station of category, the first community is with second community for the UE provides service, and the second community
The descending power of affiliated base station is controlled according to the 2nd TPC information；Base station belonging to the first community is according to
First TPC information carries out downlink power control.
With reference to second aspect, in the first embodiment of second aspect, the base station belonging to the first community is obtained from UE
Taking a TPC information includes：The default specified moment of base station belonging to the first community on each time slot is from UE sides
Receive a TPC information；Base station belonging to the first community decodes a TPC information, to obtain described first
TPC information.
With reference to second aspect, in the second embodiment of second aspect, the base station belonging to the first community is obtained from UE
Taking a TPC information includes：Base station belonging to the first community is received described in combined coding on each time slot from UE
First TPC information and the 2nd TPC information, wherein the second TPC information is used to indicate the base station belonging to the second community
Downlink power control；Base station belonging to the first community decodes a TPC information and the 2nd TPC of the combined coding
Information, a TPC information is obtained with default designated bit position.
With reference to second aspect, in the 3rd implementation method of second aspect, the base station belonging to the first community is obtained from UE
Taking a TPC information includes：Receive described from UE side joints on default assigned timeslot respectively in base station belonging to the first community
First TPC information, wherein the first TPC information is transmitted from the 2nd TPC information on different time slots, the 2nd TPC letters
Cease the downlink power control for indicating the base station belonging to the second community；Base station decoding belonging to the first community is described
First TPC information, to obtain a TPC information.
A kind of third aspect, it is proposed that transmitting device of DPCCH, including：First generation unit, for generating a TPC
Information and the 2nd TPC information, wherein the first TPC information is used to indicate the descending power control of the base station belonging to first community
System, the 2nd TPC information is used to indicate the downlink power control of base station belonging to second community, wherein the first community with
The second community provides multi-stream service；First transmitting element, for sending described the to the base station belonging to the first community
One TPC information, the 2nd TPC information is sent to the base station belonging to the second community.
With reference to the third aspect, in the first embodiment of the third aspect, a TPC information and the 2nd TPC
Information is by the DPCCH channel bearings, wherein the first TPC information and the 2nd TPC information are coded independently, Huo Zhesuo
State a TPC information and the 2nd TPC information is jointly encoded.
With reference to the first embodiment of the third aspect, in the second embodiment of the third aspect, described first sends single
Unit specifically for：When a TPC information and the 2nd TPC information are coded independently, on identical time slot, respectively to
Base station belonging to the first community sends a TPC information, and sends institute to the base station belonging to the second community
State the 2nd TPC information；Or when a TPC information and the 2nd TPC information are jointly encoded, in identical time slot
On, while sending described the first of combined coding to the base station belonging to the base station belonging to the first community and the second community
TPC information and the 2nd TPC information.
With reference to the third aspect, in the 3rd implementation method of the third aspect, a TPC information and the 2nd TPC
Information is transmitted in a time division manner, wherein the first TPC information and the 2nd TPC information by when Coded.
With reference to the 3rd implementation method of the third aspect, in the 4th implementation method of the third aspect, described first sends single
Unit specifically for：When a TPC information and the 2nd TPC information by when Coded when, with the time-division on interval slots
Mode, sends a TPC information to the base station belonging to the first community respectively, and to belonging to the second community
Base station sends the 2nd TPC information.
A kind of fourth aspect, it is proposed that reception device of DPCCH, including：First acquisition unit, for obtaining first from UE
TPC information, wherein the first TPC information is used to indicate the downlink power control of the base station belonging to first community, described first
Cell and second community are that the UE provides service, and the descending power of the base station belonging to the second community is foundation second
TPC information is controlled；First control unit, for carrying out downlink power control according to a TPC information.
With reference to fourth aspect, in the first embodiment of fourth aspect, the first acquisition unit includes：Receive mould
Block, a TPC information is received for the default specified moment on each time slot from UE side joints；Decoding module, is used for
A TPC information is decoded, to obtain a TPC information.
With reference to fourth aspect, in the second embodiment of fourth aspect, the first acquisition unit includes：Receive mould
Block, a TPC information and the 2nd TPC information for receiving combined coding from UE on each time slot, wherein described
2nd TPC information is used to indicate the downlink power control of the base station belonging to the second community；Decoding module, it is described for decoding
The first TPC information of combined coding and the 2nd TPC information, are believed with obtaining a TPC in default designated bit position
Breath.
With reference to fourth aspect, in the 3rd implementation method of fourth aspect, the first acquisition unit includes：Receive mould
Block, for receiving the TPC information from UE side joints on default assigned timeslot respectively, wherein the first TPC information with
2nd TPC information is transmitted on different time slots, and the 2nd TPC information is used to indicate the base station belonging to the second community
Downlink power control；Decoding module, for decoding a TPC information, to obtain a TPC information.
A kind of 5th aspect, it is proposed that UE, including：Processor, for generating a TPC information and the 2nd TPC information, its
Described in a TPC information be used to indicate the downlink power control of base station belonging to first community, the 2nd TPC information is used for
Indicate the downlink power control of the base station belonging to second community；Transmitter, for being sent to the base station belonging to the first community
The first TPC information, the 2nd TPC information is sent to the base station belonging to the second community.
A kind of eighth aspect, it is proposed that base station, including：Receiver, for receiving TPC command information from UE；Processor, uses
In the decoding TPC command information with the TPC information needed for obtaining, and downlink power control is carried out according to the TPC information；
Wherein described TPC command information includes the required TPC information, and the required TPC information is used to indicate the base station
Downlink power control.
The embodiment of the present invention is due to two TPC information of generation, and the two TPC information indicate respectively two different districts institutes
The downlink power control of the base station of category, it is meant that two downlinks carry out independent power control operation.It may therefore be assured that
When two downlink qualities are widely different, the downlink power control of both links.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for the embodiment of the present invention
Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the transmission method flow chart of the DPCCH of UE sides according to embodiments of the present invention.
Fig. 2 is a TPC information and the 2nd TPC information and its decoding result of combined coding according to embodiments of the present invention
Schematic diagram.
Fig. 3 is the schematic diagram that time division way according to embodiments of the present invention transmits a TPC information and the 2nd TPC information.
Fig. 4 is the method for reseptance flow chart of the DPCCH of the base station side belonging to first community according to embodiments of the present invention.
Fig. 5 is the method for reseptance flow chart of the DPCCH of the base station side belonging to second community according to embodiments of the present invention.
Fig. 6 is the schematic diagram of the application scenarios of the transmission method of DPCCH according to embodiments of the present invention.
Fig. 7 is the structural representation of the transmitting device of DPCCH according to embodiments of the present invention.
Fig. 8 is the structural representation of the reception device of DPCCH according to another embodiment of the present invention.
Fig. 9 is the structural representation of first acquisition unit according to embodiments of the present invention.
Figure 10 is the structural representation of the reception device of DPCCH according to another embodiment of the present invention.
Figure 11 is the structural representation of second acquisition unit according to embodiments of the present invention.
Figure 12 is the structural representation of UE according to embodiments of the present invention.
Figure 13 is the structural representation of base station according to embodiments of the present invention.
Figure 14 is the entity structure diagram of UE according to embodiments of the present invention or base station.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example is applied, should all belong to the scope of protection of the invention.
Technical scheme, can apply to various communication systems, for example：GSM, CDMA (CDMA, Code
Division Multiple Access) system, WCDMA (WCDMA, Wideband Code Division
Multiple Access Wireless), GPRS, LTE etc..
User equipment (UE, User Equipment) is also referred to as mobile terminal (Mobile Terminal), mobile station
(Mobile Station) etc., can be through wireless access network (for example, RAN, Radio Access Network) and one or many
Individual core net is communicated.UE exchanges voice and/or data with wireless access network.
Base station, can be base station (BTS, Base Transceiver Station) in GSM or CDMA, or
Base station (Node B) in WCDMA, can also be the evolved base station (eNB or e-NodeB, evolutional Node in LTE
B).In addition, one or more cells (cell) may be supported/managed in a base station, UE is needed during with network service, and it will selection
One cell initiates network insertion.
Therefore, the embodiment of the present invention proposes a kind of transmission method of DPCCH, reference picture 1, transmitting terminal (UE sides)
The transmission method of DPCCH is comprised the following steps：
Step 11, UE generation the first TPC information and the 2nd TPC information, wherein the first TPC information is used to indicate first
The downlink power control of the base station belonging to cell, the 2nd TPC information is used to indicate the descending of the base station belonging to second community
Power Control.
Step 12, UE sends a TPC information to the base station belonging to the first community, to the second community institute
The base station of category sends the 2nd TPC information.
More than, first community provides service with second community.
As can be seen here, due to two TPC information of generation, and the two TPC information are indicated respectively belonging to two different districts
Base station downlink power control, it is meant that two downlinks carry out independent power control operation.It may therefore be assured that
When two downlink qualities are widely different, this two individual power controls of downlink ensure that both links respectively
Power control performance.
In one embodiment, UE can for example generate independent volume by changing the time slot format of up DPCCH channels
The first TPC information and the 2nd TPC information of code or a TPC information and the 2nd TPC information of generation combined coding, then by
The TPC information of DPCCH channel bearings the first and the 2nd TPC information are sent to belonging to base station and second community belonging to first community
Base station.
Table 1 below and table 2 sets forth absolute coding and the TPC information of combined coding the first and the 2nd TPC information
The example of DPCCH channel time slot formats.
Wherein, table 1 is that time slot format (slot format) 5 is increased on the basis of existing DPCCH time slot formats,
NTPC1And NTPC2A TPC information and the 2nd TPC information are represented respectively.The two TPC command words for carrying occupy 2 bits respectively,
Two independent downlink power controls can be realized.
Table 1:DPCCH time slot formats
Wherein, table 2 is that time slot format (slot format) 6 is increased on the basis of existing DPCCH time slot formats,
Wherein, a TPC information and the 2nd TPC information carry out combined coding, and 3 bit, N are occupied altogetherTPC1&NTPC2Represent combined coding
First TPC information and the 2nd TPC information.Two independent downlink power controls can also be realized.
Table 2:DPCCH time slot formats
It should be understood that Tables 1 and 2 depicted herein is only illustrative, it is not restricted.In fact, a TPC believes
Breath and the 2nd TPC information can also use other DPCCH time slot formats.
It can be seen that, when a TPC information and the 2nd TPC information are coded independently, UE can on identical time slot, respectively to
Base station belonging to first community sends a TPC information, and sends the 2nd TPC information to the base station belonging to second community.In
It is that the base station belonging to base station and second community belonging to first community can respectively receive in the different periods in identical time slot
One TPC information and the 2nd TPC information.And the base station belonging to first community can receive first in the specified location in same time slot
TPC information, the base station belonging to second community can also receive the 2nd TPC information in the specified location in same time slot.Two small
The TPC information that base station belonging to area specifically receives oneself in which position of same time slot is set in advance.
Or, when a TPC information and the 2nd TPC information are jointly encoded, UE can on identical time slot, while to
Base station belonging to base station and second community belonging to first community sends a TPC information and the 2nd TPC information of combined coding.
Then, the base station belonging to first community and the base station belonging to second community can respectively to combined coding a TPC information and
2nd TPC information is decoded, to obtain the TPC information of oneself.For example, as shown in table 2, a TPC information of combined coding
There are 3 bits with the 2nd TPC information, respectively obtained after the base station decoding belonging to the base station and second community belonging to first community
2 TPC information of bit, as shown in Fig. 2 then the base station belonging to first community can determine that the 1st bit is the TPC letters of oneself
Breath, the base station belonging to second community can determine that the 2nd bit is the TPC information of oneself.Vice versa, i.e., belonging to first community
Base station can also determine that the 2nd bit is the TPC information of oneself, and the base station belonging to second community can also determine that the 1st bit is certainly
Oneself TPC information.The TPC information which bit represents the base station belonging to which cell in the bit information of decoding is to preset
's.
In another embodiment, UE can also respectively send a TPC information using time division way on DPCCH channels
With the 2nd TPC information, independent descending power control is carried out after receiving respective TPC information so as to the base station belonging to two cells
System.
It is, a TPC information and the 2nd TPC information are transmitted in a time division manner, wherein a TPC information and second
TPC information by when Coded.Therefore, when a TPC information and the 2nd TPC information by when Coded when, on interval slots,
UE sends a TPC information to the base station belonging to first community respectively, and sends the 2nd TPC to the base station belonging to second community
Information.Reference picture 3, UE compartment of terrains on continuous time slot send a TPC information and the 2nd TPC information, such as in odd number
A TPC information is sent to the base station belonging to first community on time slot, to the base station belonging to second community on the time slot of even number
The 2nd TPC information is sent, or a TPC information is sent to the base station belonging to first community on the time slot of even number, in odd number
Time slot on to belonging to second community base station send the 2nd TPC information.Because the base station belonging to two cells is when different
The TPC information of oneself is received in gap, therefore, it is possible to correctly decode the TPC information of oneself, so as to effectively carry out descending power control
System.
It should be understood that the example of Fig. 3 is only illustrative, it is not restricted.In fact, UE can exist as shown in Figure 3
A TPC information is sent on continuous interval slots and to the base belonging to second community to the base station belonging to first community respectively
Stand transmission the 2nd TPC information.UE can also be respectively separated n time slot and send a TPC information to the base station belonging to first community
And the 2nd TPC information is sent to the base station belonging to second community, or, a TPC information and the 2nd TPC information can be with non-
Send at equal intervals.Here n may be greater than or the positive integer equal to 1.Generally, the value of n is bigger, i.e. a TPC information and
The transmission interval of two TPC information is bigger, and the performance impact to system is bigger.
As can be seen here, due to two TPC information of generation, and the two TPC information are indicated respectively belonging to two different districts
Base station the control of descending probability, therefore can independently ensure two down control channel quality of cell.More than, " first " and
The statement description merely for convenience of " second ".It should be readily apparent to one skilled in the art that the statement of " first " and " second " does not have
It is special to refer to, merely to two different main bodys of difference.
Below, reference picture 4 is described, it is proposed that the method for reseptance of receiving terminal (base station side) DPCCH.Due in above content
Some descriptions have been carried out to the transmission method corresponding to transmitting terminal (UE sides) DPCCH, therefore the content for repeating will not be described in great detail.Connect
The method of reseptance of receiving end (base station side) DPCCH is comprised the following steps：
Step 41, the base station belonging to first community obtains a TPC information from UE, wherein the first TPC information is used for
Indicate the downlink power control of the base station belonging to the first community.
Here, first community and second community provide service for UE, and the descending power of the base station belonging to second community is
It is controlled according to the 2nd TPC information.
For example, specified moment of the base station belonging to first community on each time slot receives a TPC from UE side joints
Information；Then, the base station belonging to first community decodes a TPC information, to obtain a TPC information.Wherein, refer to
It is set in advance that timing is carved.
Or, for example, the base station belonging to first community receives the TPC letters of combined coding on each time slot from UE
Breath and the 2nd TPC information, wherein the 2nd TPC information is used to indicate the downlink power control of the base station belonging to second community；Then,
Base station belonging to first community decodes a TPC information and the 2nd TPC information of the combined coding, is obtained with designated bit position
First TPC information.Wherein, designated bit position is set in advance.
Or, for example, a TPC information is received in the base station belonging to first community on assigned timeslot from UE side joints respectively, its
In a TPC information transmitted on different time slots from the 2nd TPC information, the 2nd TPC information be used for indicate belonging to second community
Base station downlink power control；Then, the base station belonging to first community decodes a TPC information, to obtain TPC letters
Breath.Wherein, assigned timeslot is set in advance.
Step 42, the base station belonging to first community carries out downlink power control according to a TPC information.
As can be seen here, due to two TPC information of generation, and the two TPC information indicate respectively the base belonging to two cells
The downlink power control stood, therefore can preferably ensure two down control channel quality of cell.It is readily appreciated that, Fig. 4's
Although description is the angle of the base station belonging to first community being described, the DPCCH of the base station belonging to second community connects
Receiving method is also as the base station belonging to first community.
The method of reseptance of another receiving terminal (base station side) DPCCH that Fig. 5 shows is comprised the following steps：
Step 1, the base station belonging to second community obtains the 2nd TPC information from UE, wherein the second TPC information is used to refer to
Show the downlink power control of the base station belonging to the second community.
For example, specified moment of the base station belonging to second community on each time slot receives the 2nd TPC from UE side joints
Information；Then, the base station belonging to second community decodes the 2nd TPC information, to obtain the 2nd TPC information.
Or, for example, the base station belonging to second community receives the TPC letters of combined coding on each time slot from UE
Breath and the 2nd TPC information, wherein a TPC information is used to indicate the downlink power control of the base station belonging to first community；Then,
Base station belonging to second community decodes a TPC information and the 2nd TPC information of the combined coding, is obtained with designated bit position
2nd TPC information.
Or, for example, the 2nd TPC information is received in the base station belonging to second community on assigned timeslot from UE side joints respectively, its
In a TPC information transmitted on different time slots from the 2nd TPC information, a TPC information be used for indicate belonging to first community
Base station downlink power control；Then, the base station belonging to second community decodes the 2nd TPC information, to obtain the 2nd TPC letters
Breath.
Step 52, the base station belonging to second community carries out downlink power control according to the 2nd TPC information.
More than, it can be set in advance to specify moment, designated bit position and assigned timeslot.
As can be seen here, due to two TPC information of generation, and the two TPC information are indicated respectively belonging to two different districts
Base station the control of descending probability, therefore two down control channel quality of different districts can be ensured.
As shown in fig. 6, can go out in dual-carrier double cell (DF-DC, Dual Frequency-Dual Carrier) scene
The problem covered by the second frequency F2 referring now to not covered by the first frequency F1 of micro-base station Pico for certain cell.Assuming that
Fig. 6 be Hetnet and MF collective effects under DF-DC scenes, occur in such a scenario Pico f1 frequencies do not cover but
Situation about being covered by f2.Therefore, in order to expand the coverage of Pico, it may be considered that send descending control letter on the f2 of Pico
Road, the interference of such control channel can be reduced and covering problem can also be resolved.But, so having to, alien frequencies is soft cuts for construction
Change, thus occur macro base station Macro covering cell 1 will be had with the down control channel of the cell 2 that Pico is covered it is very big
Difference.
Therefore, for this scene occurred in Fig. 6, can be using the transmission method of the DPCCH such as the embodiment of the present invention.Due to
Two descending TPC information of generation, and the two TPC information indicate respectively base station belonging to two different districts (for example, first
TPC information is sent to Macro, and the 2nd TPC information is sent to Pico) downlink power control, it is meant that the two of Macro and Pico
Bar downlink carries out independent power control operation.It may therefore be assured that when two downlink qualities are widely different, two
The downlink power control of bar link.
Fig. 7 shows a kind of transmitting device of DPCCH.Wherein, the transmitting device 70 of DPCCH includes the first generation unit 71
With the first transmitting element 72.
For example, the first generation unit 71 is used to generate a TPC information and the 2nd TPC information, wherein first TPC believes
The downlink power control for indicating the base station belonging to first community is ceased, the 2nd TPC information is used to indicate second community institute
The downlink power control of the base station of category.First transmitting element 72 is used for respectively to the base station belonging to the first community and described the
Base station belonging to two cells sends a TPC information and the 2nd TPC information.
In one embodiment, a TPC information and the 2nd TPC information is by the DPCCH channel bearings,
Wherein described first TPC information and the 2nd TPC information are coded independently, or a TPC information and described second
TPC information is jointly encoded.
Therefore, the first transmitting element 72 specifically for：When a TPC information and the 2nd TPC information are by independence
During coding, on identical time slot, a TPC information is sent to the base station belonging to the first community respectively, and to institute
State the base station belonging to second community and send the 2nd TPC information；Or when a TPC information and the 2nd TPC believe
When breath is jointly encoded, on identical time slot, while to belonging to the base station belonging to the first community and the second community
Base station sends a TPC information and the 2nd TPC information of combined coding.
In another embodiment, a TPC information and the 2nd TPC information are transmitted in a time division manner, its
Described in a TPC information and the 2nd TPC information by when Coded.
Therefore, the first transmitting element 72 specifically for：When a TPC information and the 2nd TPC information are by the time-division
During coding, send a TPC to the base station belonging to the first community respectively and believe on interval slots in a time division manner
Breath, and send the 2nd TPC information to the base station belonging to the second community.
As can be seen here, due to two TPC information of generation, and the two TPC information indicate respectively the base belonging to two cells
The descending probability control stood, therefore can independently ensure two down control channel quality of cell.
It is appreciated that during the transmitting device of the DPCCH can be only fitted to UE.
Fig. 8 shows a kind of reception device of DPCCH.Wherein, the reception device 80 of DPCCH includes first acquisition unit 81
With the first control unit 82.
For example, first acquisition unit 81 is used to obtain a TPC information from UE, wherein the first TPC information is used to refer to
Show the downlink power control of the base station belonging to first community.First control unit 82 is used to be carried out according to a TPC information
Downlink power control.
Further, first acquisition unit 81 can include receiver module 821 and decoding module 822, as shown in Figure 9.
In one embodiment, the specified moment that receiver module 821 is used on each time slot receives institute from UE side joints
State a TPC information；Decoding module 822 is used to decode a TPC information, to obtain a TPC information.
In another embodiment, receiver module 821 is used to be received from UE on each time slot the institute of combined coding
A TPC information and the 2nd TPC information are stated, wherein the second TPC information is used to indicate the base station belonging to the second community
Downlink power control；Decoding module 822 is used to decode a TPC information and the 2nd TPC information of the combined coding,
A TPC information is obtained with designated bit position.
In another embodiment, receiver module 821 is used to receive described first from UE side joints on assigned timeslot respectively
TPC information, wherein the first TPC information is transmitted from the 2nd TPC information on different time slots, the 2nd TPC information is used
In the downlink power control for indicating the base station belonging to the second community；Decoding module 822 is used to decode the TPC letters
Breath, to obtain a TPC information.
As can be seen here, due to two TPC information of generation, and the two TPC information are indicated respectively belonging to two different districts
Base station the control of descending probability, therefore two down control channel quality of different districts can be ensured.
It is appreciated that during the transmitting device of the DPCCH can be only fitted to the base station belonging to first community.
Figure 10 shows the transmitting device of another DPCCH.Wherein, the reception device 100 of DPCCH includes that second obtains single
The control unit 102 of unit 101 and second.
For example, second acquisition unit 101 is used to obtain the 2nd TPC information from UE, wherein the second TPC information is used to refer to
Show the downlink power control of the base station belonging to the second community.Second control unit 102 is used for according to the 2nd TPC information
Carry out downlink power control.
Further, second acquisition unit 101 can include receiver module 1021 and decoding module 1022, such as Figure 11 institutes
Show.
In one embodiment, the specified moment that receiver module 1021 is used on each time slot receives institute from UE side joints
State the 2nd TPC information；Decoding module 1022 is used to decode the 2nd TPC information, to obtain the 2nd TPC information.
In another embodiment, receiver module 1021 is used to be received from UE on each time slot the institute of combined coding
A TPC information and the 2nd TPC information are stated, wherein the first TPC information is used to indicate the base station belonging to the first community
Downlink power control；Decoding module 1022 is used to decode a TPC information and the 2nd the TPC letter of the combined coding
Breath, the 2nd TPC information is obtained with designated bit position.
In another embodiment, receiver module 1021 is used to receive described second from UE side joints on assigned timeslot respectively
TPC information, wherein the second TPC information is transmitted from a TPC information on different time slots, a TPC information is used
In the downlink power control for indicating the base station belonging to the first community；Decoding unit 1022 is used to decode the 2nd TPC letters
Breath, to obtain the 2nd TPC information.
As can be seen here, due to two TPC information of generation, and the two TPC information are indicated respectively belonging to two different districts
Base station the control of descending probability, therefore two down control channel quality of different districts can be ensured.
It is appreciated that during the transmitting device of the DPCCH can be only fitted to the base station belonging to second community.
Base station belonging to first community can be same base station, or different bases from the base station belonging to second community
Stand.
Figure 12 shows a kind of UE, and the UE 120 includes processor 121 and transmitter 122.
Wherein, processor 121 is used to generate a TPC information and the 2nd TPC information, wherein the first TPC information is used
In the downlink power control for indicating the base station belonging to first community, the 2nd TPC information is used to indicate belonging to second community
The downlink power control of base station；Transmitter 122 is used for respectively to the base station belonging to the first community and second community institute
The base station of category sends a TPC information and the 2nd TPC information.
In general, a TPC information and the 2nd TPC information are by the DPCCH channel bearings, wherein described
First TPC information and the 2nd TPC information are coded independently, or a TPC information and the 2nd TPC information quilts
Combined coding.
Therefore, transmitter 122 specifically for：When a TPC information and the 2nd TPC information are coded independently
When, on identical time slot, send the TPC information to the base station belonging to the first community respectively, and to described the
Base station belonging to two cells sends the 2nd TPC information；Or when a TPC information and the 2nd TPC information quilts
During combined coding, on identical time slot, while to the base station belonging to the base station belonging to the first community and the second community
Send a TPC information and the 2nd TPC information of combined coding.
Or, a TPC information and the 2nd TPC information are transmitted in a time division manner, wherein first TPC believes
Breath and the 2nd TPC information by when Coded.
Therefore, transmitter 122 specifically for：When a TPC information and the 2nd TPC information by when Coded
When, send a TPC information to the base station belonging to the first community respectively on interval slots in a time division manner, with
And send the 2nd TPC information to the base station belonging to the second community.
As can be seen here, due to two TPC information of generation, and the two TPC information are indicated respectively belonging to two different districts
Base station the control of descending probability, therefore two down control channel quality of different districts can be ensured.
Figure 13 shows a kind of base station, and the base station 130 includes receiver 131 and processor 132.
Wherein, receiver 131 is used to receive TPC command information from UE；Processor 132 is used to decode the TPC command letter
Cease to obtain required TPC information, and downlink power control is carried out according to the TPC information；Wherein described TPC command information
Including the required TPC information, the TPC information is used to indicate the downlink power control of the base station.
In one embodiment, the specified moment that receiver 131 is used on each time slot receives one from UE side joints
TPC information.Processor 132 is used to decode the described TPC information, and Power Control is transmitted with according to the TPC information.
In another embodiment, receiver 131 is used to receive one of combined coding from UE on each time slot
TPC information and another TPC information.Processor 132 is used to decode the TPC information of the combined coding, is obtained with designated bit position
Required TPC information is obtained, and according to required TPC information.It is transmitted Power Control.
In another embodiment, receiver 131 is used to receive a TPC letter from UE side joints on assigned timeslot respectively
Breath, processor 132 decodes the TPC information, and Power Control is transmitted with according to the TPC information.
As can be seen here, due to two TPC information of generation, and the two TPC information are indicated respectively belonging to two different districts
Base station the control of descending probability, therefore two down control channel quality of different districts can be ensured.
In general, UE or base station may be configured to structure as shown in figure 14, with memory 1401, processor
1402nd, receiver 1403 and transmitter 1404 etc..
For example, UE 120 can also include receiver and memory, base station 130 can also also include transmitter and storage
Device.Memory can be include random access memory (RAM, Random Access Memory) and read-only storage (ROM,
Read-Only Memory) or any fixation storage medium or moveable storage medium, can perform sheet for storing
Pending data in the program and/or the embodiment of the present invention of inventive embodiments.
It should be understood that the scheme that each claim of the invention is described should also regard one embodiment as, and it is power
Profit require in be characterized in it is combinable, such as the present invention in judgement step after execution different branches the step of can make
It is different embodiments.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function, but this realization can be realized it is not considered that exceeding using distinct methods to each specific application
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example multiple units or component
Can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.It is another, it is shown or
The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be according to the actual needs selected to realize the mesh of this embodiment scheme
's.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.
If the function is to realize in the form of SFU software functional unit and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (20)
1. a kind of transmission method of special used for physical control channel DPCCH, it is characterised in that including：
The first transmitting power control TPC information and the 2nd TPC information are generated, wherein the first TPC information is used to indicate first
The downlink power control of the base station belonging to cell, the 2nd TPC information is used to indicate the descending of the base station belonging to second community
Power Control, a TPC information and the 2nd TPC information are carried by the DPCCH；
A TPC information is sent to the base station belonging to the first community, is sent to the base station belonging to the second community
The 2nd TPC information.
2. transmission method according to claim 1, it is characterised in that a TPC information and the 2nd TPC information
It is coded independently, or a TPC information and the 2nd TPC information are jointly encoded.
3. transmission method according to claim 2, it is characterised in that the base station to belonging to the first community sends
The first TPC information, sending the 2nd TPC information to the base station belonging to the second community includes：
When a TPC information and the 2nd TPC information are coded independently, on identical time slot, respectively to described
Base station belonging to one cell sends a TPC information, and sends described second to the base station belonging to the second community
TPC information；Or
When a TPC information and the 2nd TPC information are jointly encoded, on identical time slot, while to described
Base station belonging to base station and the second community belonging to one cell sends a TPC information and described the of combined coding
Two TPC information.
4. transmission method according to claim 1, it is characterised in that a TPC information and the 2nd TPC information
Transmit in a time division manner, wherein the first TPC information and the 2nd TPC information by when Coded.
5. transmission method according to claim 4, it is characterised in that the base station to belonging to the first community sends
The first TPC information, sending the 2nd TPC information to the base station belonging to the second community includes：
When a TPC information and the 2nd TPC information by when Coded when, on interval slots in a time division manner, point
A TPC information is not sent to the base station belonging to the first community, and is sent out to the base station belonging to the second community
Send the 2nd TPC information.
6. a kind of method of reseptance of special used for physical control channel DPCCH, it is characterised in that including：
Base station belonging to first community obtains the first transmitting power control TPC information from user equipment, wherein first TPC believes
Cease the downlink power control for indicating the base station belonging to the first community, and the base station belonging to second community descending power
It is to be controlled according to the 2nd TPC information, a TPC information and the 2nd TPC information are carried by the DPCCH；
Base station belonging to the first community carries out downlink power control according to a TPC information.
7. method of reseptance according to claim 6, it is characterised in that base station belonging to the first community is from user equipment
Obtaining a TPC information includes：
The default specified moment of base station belonging to the first community on each time slot receives independent from user equipment side
The first TPC information of coding；
Base station belonging to the first community decodes a TPC information, to obtain a TPC information.
8. method of reseptance according to claim 6, it is characterised in that base station belonging to the first community is from user equipment
Obtaining a TPC information includes：
Base station belonging to the first community receives the TPC letters of combined coding on each time slot from user equipment
Breath and the 2nd TPC information, wherein the second TPC information is used to indicate the descending power control of the base station belonging to the second community
System；
Base station belonging to the first community decodes a TPC information and the 2nd TPC information of the combined coding, with
Default designated bit position obtains a TPC information.
9. method of reseptance according to claim 6, it is characterised in that base station belonging to the first community is from user equipment
Obtaining a TPC information includes：
Base station belonging to the first community receives the TPC letters on default assigned timeslot from user equipment side respectively
Breath, wherein the first TPC information is transmitted from the 2nd TPC information on different time slots, the 2nd TPC information is used to indicate
The downlink power control of the base station belonging to the second community；
Base station belonging to the first community decodes a TPC information, to obtain a TPC information.
10. a kind of transmitting device of special used for physical control channel DPCCH, it is characterised in that including：
First generation unit, for generating the first transmitting power control TPC information and the 2nd TPC information, wherein first TPC
Information is used to indicate the downlink power control of the base station belonging to first community, and the 2nd TPC information is used to indicate second community
The downlink power control of affiliated base station, a TPC information and the 2nd TPC information are carried by the DPCCH；
First transmitting element is small to described second for sending a TPC information to the base station belonging to the first community
Base station belonging to area sends the 2nd TPC information.
11. transmitting devices according to claim 10, it is characterised in that a TPC information and the 2nd TPC believe
Breath is coded independently, or a TPC information and the 2nd TPC information are jointly encoded.
12. transmitting devices according to claim 11, it is characterised in that first transmitting element specifically for：
When a TPC information and the 2nd TPC information are coded independently, on identical time slot, respectively to described
Base station belonging to one cell sends a TPC information, and sends described second to the base station belonging to the second community
TPC information；Or
When a TPC information and the 2nd TPC information are jointly encoded, on identical time slot, while to described
Base station belonging to base station and the second community belonging to one cell sends a TPC information and described the of combined coding
Two TPC information.
13. transmitting devices according to claim 12, it is characterised in that a TPC information and the 2nd TPC believe
Breath is transmitted in a time division manner, wherein the first TPC information and the 2nd TPC information by when Coded.
14. transmitting devices according to claim 10, it is characterised in that first transmitting element specifically for：
When a TPC information and the 2nd TPC information by when Coded when, on interval slots in a time division manner, point
A TPC information is not sent to the base station belonging to the first community, and is sent out to the base station belonging to the second community
Send the 2nd TPC information.
A kind of 15. reception devices of special used for physical control channel DPCCH, it is characterised in that including：
First acquisition unit, for obtaining the first transmitting power control TPC information from user equipment, wherein first TPC believes
Cease the downlink power control for indicating the base station belonging to first community, and the base station belonging to second community descending power be according to
It is controlled according to the 2nd TPC information, a TPC information and the 2nd TPC information are carried by the DPCCH；
First control unit, for carrying out downlink power control according to a TPC information.
16. reception devices according to claim 15, it is characterised in that the first acquisition unit includes：
Receiver module, the TPC letters are received for the default specified moment on each time slot from user equipment side
Breath；
Decoding module, for decoding a TPC information, to obtain a TPC information.
17. reception devices according to claim 15, it is characterised in that the first acquisition unit includes：
Receiver module, the TPC information and second for receiving combined coding from user equipment on each time slot
TPC information, wherein the second TPC information is used to indicate the downlink power control of the base station belonging to the second community；
Decoding module, a TPC information and the 2nd TPC information for decoding the combined coding, with default finger
Determine bit and obtain a TPC information.
18. reception devices according to claim 15, it is characterised in that the first acquisition unit includes：
Receiver module, for receiving a TPC information, wherein institute from user equipment side on default assigned timeslot respectively
State a TPC information to be transmitted on different time slots from the 2nd TPC information, the 2nd TPC information is used to indicate described second
The downlink power control of the base station belonging to cell；
Decoding module, for decoding a TPC information, to obtain a TPC information.
A kind of 19. user equipmenies, it is characterised in that including：
Processor, for generating the first transmitting power control TPC information and the 2nd TPC information, wherein the first TPC information is used
In the downlink power control for indicating the base station belonging to first community, the 2nd TPC information is used to indicate belonging to second community
The downlink power control of base station, a TPC information and the 2nd TPC information are held by special used for physical control channel DPCCH
Carry；
Transmitter, for sending a TPC information to the base station belonging to the first community, to belonging to the second community
Base station send the 2nd TPC information.
A kind of 20. base stations, it is characterised in that including：
Receiver, for receiving transmitting power control TPC command information from user equipment, the TPC command information is by special thing
Reason control channel DPCCH is carried；
Processor, for the TPC information for decoding the TPC command information to obtain required, and is carried out according to the TPC information
Downlink power control；
Wherein described TPC command information includes the required TPC information, and the required TPC information is used to indicate the base
The downlink power control stood, and the TPC information with for indicate belong to another cell base station downlink power control TPC
Information, is different TPC information.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/085267 WO2014079063A1 (en) | 2012-11-26 | 2012-11-26 | Transmission and reception method and device for dedicated physical control channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103975540A CN103975540A (en) | 2014-08-06 |
| CN103975540B true CN103975540B (en) | 2017-06-27 |
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ID=50775427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280001999.0A Active CN103975540B (en) | 2012-11-26 | 2012-11-26 | The method and device of transmission and the reception of Dedicated Physical Control Channel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103975540B (en) |
| WO (1) | WO2014079063A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393070A (en) * | 2000-10-04 | 2003-01-22 | 三星电子株式会社 | Apparatus and method for power control of downlink shared channel in mobile communication system |
| CN1669246A (en) * | 2002-08-20 | 2005-09-14 | 松下电器产业株式会社 | Transmission power control method, TPC command transmission method, and radio communication device |
| CN102056276A (en) * | 2009-11-10 | 2011-05-11 | 中兴通讯股份有限公司 | Method and device for base station to determine downlink inner ring power control |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005286651A (en) * | 2004-03-29 | 2005-10-13 | Matsushita Electric Ind Co Ltd | Cdma base station apparatus and wireless communication method |
-
2012
- 2012-11-26 CN CN201280001999.0A patent/CN103975540B/en active Active
- 2012-11-26 WO PCT/CN2012/085267 patent/WO2014079063A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393070A (en) * | 2000-10-04 | 2003-01-22 | 三星电子株式会社 | Apparatus and method for power control of downlink shared channel in mobile communication system |
| CN1669246A (en) * | 2002-08-20 | 2005-09-14 | 松下电器产业株式会社 | Transmission power control method, TPC command transmission method, and radio communication device |
| CN102056276A (en) * | 2009-11-10 | 2011-05-11 | 中兴通讯股份有限公司 | Method and device for base station to determine downlink inner ring power control |
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|---|---|
| CN103975540A (en) | 2014-08-06 |
| WO2014079063A1 (en) | 2014-05-30 |
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