CN104429123A - Method and device for notifying downlink power allocation parameters - Google Patents

Method and device for notifying downlink power allocation parameters Download PDF

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Publication number
CN104429123A
CN104429123A CN201380001455.9A CN201380001455A CN104429123A CN 104429123 A CN104429123 A CN 104429123A CN 201380001455 A CN201380001455 A CN 201380001455A CN 104429123 A CN104429123 A CN 104429123A
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parameter
frequency band
ratio
band
parameters
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CN104429123B (en
Inventor
任晓涛
周永行
薛丽霞
孙静原
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Beijing Jingshi Intellectual Property Management Co ltd
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Huawei Technologies Co Ltd
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Priority to CN201811162210.5A priority Critical patent/CN109348530B/en
Priority to CN201811162217.7A priority patent/CN109275182B/en
Priority to CN201811162209.2A priority patent/CN109151971B/en
Publication of CN104429123A publication Critical patent/CN104429123A/en
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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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

Abstract

Disclosed are a method and device for notifying downlink power allocation parameters, which relate to the technical field of communications, and can reduce the interference of an inter-cell reference signal, thereby improving the spectral efficiency of a system. The method of the present invention comprises: sending frequency band specific downlink power allocation parameters to a terminal, so that the terminal obtains channel state information according to the frequency band specific downlink power allocation parameters, wherein the frequency band specific downlink power allocation parameters comprise N parameters, with the N parameters corresponding to N frequency bands, and N being greater than or equal to 2; and receiving the channel state information sent by the terminal. The solution provided in the embodiments of the present invention is applicable to be used for notifying downlink power allocation parameters.

Description

METHOD AND DEVICE FOR NOTIFYING DOWNLINK POWER ALLOCATION PARAMETERS
The Notification Method and engineering device technique field of a kind of descending power allocation of parameters
The present invention relates to communication technical field, more particularly to a kind of Notification Method and device of descending power allocation of parameters.Background technology
In existing LTE systems, base station includes public reference signal by measuring channel status, wherein reference signal to terminal sending reference signal（Common Reference S i gna l, CRS) and channel state information reference signals (Channel State Inf ormat ion Ref erence S igna l, CSI_RS).Terminal is compared, so as to obtain channel condition information according to the CRS or CSI-RS after wireless channel is decayed being an actually-received with original CRS or CSI-RS.
But, when issuing CRS or CSI-RS to terminal in base station, because transmission powers of the CRS or CSI-RS in whole system bandwidth is constant, only has a descending power allocation of parameters for existing Whole frequency band, CRS or CSI-RS transmission power will not change with the change of frequency band, therefore it may result between CRS or CSI-RS between cell and the interference of stronger minizone reference signal occur, and then reduce the spectrum efficiency of system.The content of the invention
Embodiments of the invention provide a kind of Notification Method and device of descending power allocation of parameters, the interference of minizone reference signal can be reduced, so as to improve the spectrum efficiency of system.
In a first aspect, the embodiment of the present invention provides a kind of Notification Method of descending power allocation of parameters, including：The specific descending power allocation of parameters of frequency band is sent to terminal, so that the terminal obtains channel condition information according to the specific descending power allocation of parameters of the frequency band, the specific descending power allocation of parameters of frequency band includes N number of parameter, N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Receive the channel condition information that the terminal is sent.
In the first possible embodiment, with reference in a first aspect, The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPChant represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is EPREPDSeHWith EPREesi-RSRatio, the EPRECSI-RSRepresent the energy on channel state information reference signals CS I-RS resource units.
In second of possible embodiment, with reference to the possible embodiment of the first in first aspect, N number of parameter includes the first kind parameter and Equations of The Second Kind parameter；
The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
The first band and any two frequency bands that the second band is in N number of different frequency band.In the third possible embodiment, with reference to second of possible embodiment in first aspect or combination first aspect, any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band.
In the 4th kind of possible embodiment, with reference to the third possible embodiment in first aspect or combination first aspect,
Each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in Base Transmitter reference signal in N number of frequency band；Or,
Each frequency band takes whole bandwidth of carrier wave in Base Transmitter reference signal in N number of frequency band；The reference signal is CRS or CS I-RS.
It is described to send the specific descending power allocation of parameters of frequency band to terminal with reference to any possible embodiment in first aspect in the 5th kind of possible embodiment, including：
Radio resource control RRC signaling is sent to terminal, the RRC signaling includes the frequency band In the 6th kind of possible embodiment, with reference to any possible embodiment in first aspect, after the transmission specific descending power allocation of parameters of frequency band to terminal, before the channel condition information for receiving the terminal transmission, in addition to：
On N number of frequency band reference signal is sent to the terminal, wherein, the transmission power of the reference signal sent in N number of frequency band on each frequency band corresponds to the specific descending power allocation of parameters of the frequency band of each frequency band, and the reference signal includes CRS or CS I-RS.Second aspect, the embodiment of the present invention provides a kind of Notification Method of descending power allocation of parameters, including：The specific descending power allocation of parameters of frequency band that base station is sent is received, the specific descending power allocation of parameters of frequency band includes N number of parameter, and N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Channel condition information is obtained according to the specific descending power allocation of parameters of the frequency band；
The channel condition information is sent to the base station.
In the first possible embodiment, with reference to second aspect,
N number of parameter is first kind parameter；
The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPChant represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is EPREPDSeHWith EPREesi-RSRatio, the EPRECSI-RSRepresent the energy on channel state information reference signals CS I-RS resource units.
In second of possible embodiment, with reference to the possible embodiment of the first in second aspect, N number of parameter includes the first kind parameter and Equations of The Second Kind parameter；
The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band； Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
The first band and any two frequency bands that the second band is in N number of different frequency band.In the third possible embodiment, with reference to the possible embodiment of the first in second aspect, after the specific descending power allocation of parameters of at least two frequency bands that the reception base station is sent, in addition to：The reference signal that the base station is sent is received on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CSI-RS;
Initial channel status information is obtained according to the reference signal；
It is described that channel condition information is obtained according to the descending power allocation of parameters, including：
According to first ratio parameter or second ratio parameter, the initial channel status information, the channel condition information after being adjusted are adjusted.
In the 4th kind of possible embodiment, with reference to second in second aspect possible embodiment, after the specific descending power allocation of parameters of frequency band that the reception base station is sent, in addition to：
The reference signal that the base station is sent is received on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CSI-RS;
Initial channel status information is obtained according to the reference signal；
It is described that channel condition information is obtained according to the descending power allocation of parameters, including：
Calculated according to the Equations of The Second Kind parameter and obtain first ratio parameter or second ratio parameter；
According to first ratio parameter or second ratio parameter, the initial channel status information, the channel condition information after being adjusted are adjusted.
In the 5th kind of possible embodiment, with reference to second of possible embodiment in second aspect or combination second aspect,
Any two frequency band partly overlaps or not overlapping on frequency domain in N number of frequency band.
In the 6th kind of possible embodiment, with reference to the 5th kind of possible embodiment in second aspect, each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in the Base Transmitter reference signal in N number of frequency band；Or, Each frequency band takes whole bandwidth of carrier wave in the Base Transmitter reference signal in N number of frequency band；
The reference signal is CRS or CS I-RS.
In the 7th kind of possible embodiment, the specific descending power allocation of parameters of frequency band sent with reference to any possible embodiment in second aspect, the reception base station, including：
The radio resource control RRC signaling that base station is sent is received, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.The third aspect, the embodiment of the present invention provides a kind of notice device of descending power allocation of parameters, including：Transmitting element, for sending the specific descending power allocation of parameters of frequency band to terminal, so that the terminal obtains channel condition information according to the specific descending power allocation of parameters of the frequency band, the specific descending power allocation of parameters of frequency band includes N number of parameter, N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Receiving unit, for receiving the channel condition information that the terminal is sent.
In the first possible embodiment, with reference to the third aspect,
N number of parameter in the specific descending power allocation of parameters of the frequency band that the transmitting element is sent is first kind parameter；
The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPChant represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is EPREPDSeHWith EPREesi_RSRatio, the EPRECSI_RSRepresent the energy on channel state information reference signals CS I-RS resource units.
In second of possible embodiment, with reference to the possible embodiment of the first in the third aspect, With the ratio of second ratio parameter on first ratio parameter or the second band in second band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
The first band and any two frequency bands that the second band is in N number of different frequency band.In the third possible embodiment, partly overlapped with reference to the third aspect or with reference to any two frequency bands in second in the third aspect of N number of frequency band on frequency domain or not overlapping.
In the 4th kind of possible embodiment, with reference to the third possible embodiment in the third aspect or the combination third aspect,
Each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitting element is sent；Or,
Each frequency band takes whole bandwidth of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitting element is sent；
The reference signal is CRS or CS I-RS.
In the 5th kind of possible embodiment, with reference to any possible embodiment, the transmitting element in the third aspect, it is used for：
Radio resource control RRC signaling is sent to terminal, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
In the 6th kind of possible embodiment, with reference to any possible embodiment, the transmitting element in the third aspect, it is additionally operable to：
On N number of frequency band reference signal is sent to the terminal, wherein, the transmission power of the reference signal sent in N number of frequency band on each frequency band corresponds to the specific descending power allocation of parameters of the frequency band of each frequency band, and the reference signal includes CRS or CS I-RS.
Fourth aspect, the embodiment of the present invention provides a kind of base station, including： Memory, includes the information of program routine for storing；
Processor, for being coupled with memory, transmitters and receivers, the execution for controlling described program routine；
Transmitter, for sending the specific descending power allocation of parameters of frequency band to terminal, so that the terminal obtains channel condition information according to the specific descending power allocation of parameters of the frequency band, the specific descending power allocation of parameters of frequency band includes N number of parameter, N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Receiver, for receiving the channel condition information that the terminal is sent.
In the first possible embodiment, with reference to fourth aspect,
N number of parameter in the specific descending power allocation of parameters of the frequency band that the transmitter is sent is first kind parameter；
The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPChant represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is EPREPDSeHWith EPREesi-RSRatio, the EPRECSI-RSRepresent the energy on channel state information reference signals CS I-RS resource units.
In second of possible embodiment, N number of parameter in the specific descending power allocation of parameters of the frequency band sent with reference to the possible embodiment of the first in fourth aspect, the transmitter includes the first kind parameter and Equations of The Second Kind parameter；
The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
The first band and any two frequency bands that the second band is in N number of different frequency band. In the third possible embodiment, with reference to second of possible embodiment in fourth aspect or combination fourth aspect,
Any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitter is sent.
In the 4th kind of possible embodiment, with reference to the third possible embodiment in fourth aspect or combination fourth aspect,
Each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitter is sent；Or,
Each frequency band takes whole bandwidth of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitter is sent；
The reference signal is CRS or CS I-RS.
In the 5th kind of possible embodiment, with reference to any possible embodiment, the transmitter in fourth aspect, it is used for：
Radio resource control RRC signaling is sent to terminal, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
In the 6th kind of possible embodiment, with reference to any possible embodiment in fourth aspect, the transmitter is additionally operable to：
On N number of frequency band reference signal is sent to the terminal, wherein, the transmission power of the reference signal sent in N number of frequency band on each frequency band corresponds to the specific descending power allocation of parameters of the frequency band of each frequency band, and the reference signal includes CRS or CS I-RS.
5th aspect, the embodiment of the present invention provides a kind of notice device of descending power allocation of parameters, including：Receiving unit, the specific descending power allocation of parameters of frequency band for receiving base station transmission, the specific descending power allocation of parameters of frequency band includes N number of parameter, and N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Obtaining unit, the specific descending power allocation of parameters of the frequency band for being received according to receiving unit obtains channel condition information； Transmitting element, the channel condition information for obtaining unit to be obtained is sent to the base station.In the first possible embodiment, with reference to the 5th aspect,
N number of parameter in the specific descending power allocation of parameters of the frequency band that the receiving unit is received is first kind parameter；
The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPChant represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is EPREPDSeHWith EPREesi-RSRatio, the EPRECSI-RSRepresent the energy on channel state information reference signals CS I-RS resource units.
In second of possible embodiment, with reference to the first possible embodiment in the 5th aspect, N number of parameter in the specific descending power allocation of parameters of the frequency band that the receiving unit is received includes the first kind parameter and Equations of The Second Kind parameter；
The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
The first band and any two frequency bands that the second band is in N number of different frequency band.In the third possible embodiment, with reference to second of possible embodiment in the 5th aspect, the receiving unit, it is additionally operable to receive the reference signal that the base station is sent on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CS I-RS;
The obtaining unit, is additionally operable to obtain initial channel status information according to the reference signal；The obtaining unit, for according to first ratio parameter or second ratio parameter, adjusting the initial channel status information, the channel condition information after being adjusted.
In the 4th kind of possible embodiment, with reference to the third possible embodiment in the 5th aspect, Described first obtains module, is used for：
The receiving unit, is additionally operable to receive the reference signal that the base station is sent on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CS I-RS;
The obtaining unit, is additionally operable to obtain initial channel status information according to the reference signal；The obtaining unit, including：
First obtains module, and first ratio parameter or second ratio parameter are obtained for being calculated according to the Equations of The Second Kind parameter；
Second obtains module, for according to first ratio parameter or second ratio parameter, adjusting the initial channel status information, the channel condition information after being adjusted.
In the 5th kind of possible embodiment, with reference to second of possible embodiment in the 5th aspect or the aspect of combination the 5th,
Any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiving unit is received.
In the 6th kind of possible embodiment, with reference to the 5th kind of possible embodiment in the 5th aspect or the aspect of combination the 5th,
Each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in the Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiving unit is received；Or,
Each frequency band takes whole bandwidth of carrier wave in the Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiving unit is received；
The reference signal is CRS or CS I-RS.
In the 7th kind of possible embodiment, with reference to any possible embodiment in the 5th aspect, the receiving unit is used for：
The radio resource control RRC signaling that base station is sent is received, the RRC signaling includes described
6th aspect, the embodiment of the present invention provides a kind of terminal, including: Receiver, the specific descending power allocation of parameters of frequency band for receiving base station transmission, the specific descending power allocation of parameters of frequency band includes N number of parameter, and N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Memory, includes the information of program routine for storing；
Processor, for being coupled with memory, transmitters and receivers, the execution for controlling described program routine, specifically for：The specific descending power allocation of parameters of the frequency band received according to receiver obtains channel condition information；
Transmitter, the channel condition information for processor to be obtained is sent to the base station.
In the first possible embodiment, with reference to the 6th aspect,
N number of parameter in the specific descending power allocation of parameters of the frequency band that the receiver is received is first kind parameter；
The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPChant represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is EPREPDSeHWith EPREesi-RSRatio, the EPRECSI-RSRepresent the energy on channel state information reference signals CS I-RS resource units.
In second of possible embodiment, with reference to the first possible embodiment in the 6th aspect, N number of parameter in the specific descending power allocation of parameters of the frequency band that the receiver is received includes first kind parameter and Equations of The Second Kind parameter；
The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
The first band and any two frequency bands that the second band is in N number of different frequency band. In the third possible embodiment, with reference to the first possible embodiment in the 6th aspect, the receiver, it is additionally operable to receive the reference signal that the base station is sent on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CSI-RS;
The processor, is additionally operable to obtain initial channel status information according to the reference signal；The processor, is used for：
According to first ratio parameter or second ratio parameter, the initial channel status information, the channel condition information after being adjusted are adjusted.
In the 4th kind of possible embodiment, with reference to second of possible embodiment in the 6th aspect, the receiver, it is additionally operable to receive the reference signal that the base station is sent on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CSI-RS;
The processor, is additionally operable to obtain initial channel status information according to the reference signal；The processor, is used for：
Calculated according to the Equations of The Second Kind parameter and obtain first ratio parameter or second ratio parameter；
According to first ratio parameter or second ratio parameter, the initial channel status information, the channel condition information after being adjusted are adjusted.
In the 5th kind of possible embodiment, with reference to second of possible embodiment in the 6th aspect or the aspect of combination the 6th,
Any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiver is received.
In the 6th kind of possible embodiment, with reference to the 5th kind of possible embodiment in the 6th aspect or the aspect of combination the 6th,
Each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in the Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiver is received；Or,
Each frequency band takes whole bandwidth of carrier wave in the Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiver is received； The reference signal is CRS or CS I-RS.
In the 7th kind of possible embodiment, the receiver with reference to described in any possible embodiment in the 6th aspect is used for：
The radio resource control RRC signaling that base station is sent is received, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
The embodiment of the present invention provides a kind of Notification Method of descending power allocation of parameters, by sending the specific descending power allocation of parameters of frequency band to terminal, so that the terminal obtains channel condition information according to the specific descending power allocation of parameters of the frequency band, the specific descending power allocation of parameters of frequency band includes N number of parameter, N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;Receive the channel condition information that the terminal is sent.It is constant with the transmission power in the prior art due to CRS or CS I-RS in whole system bandwidth, only has a descending power allocation of parameters for existing Whole frequency band, CRS or CS I-RS transmission power will not change with the change of frequency band, therefore it may result between CRS or CS I-RS between cell and the interference of stronger minizone reference signal occur, and then reduce the spectrum efficiency of system and compare, the embodiment of the present invention is by sending the specific descending power allocation of parameters of frequency band, and then can realize that different frequency bands use different descending power allocation of parameters, i.e. different frequency bands uses different transmission powers, the interference of minizone reference signal can be reduced, so as to improve the spectrum efficiency of system.Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of flow chart of the Notification Method for descending power allocation of parameters that Fig. 1 provides for one embodiment of the invention；
The schematic diagram of cell in the base station service range that Fig. 2 provides for one embodiment of the invention；The schematic diagram of the frequency band for the A class cells that Fig. 3 A provide for one embodiment of the invention and the transmission power relation of reference signal； The schematic diagram of the frequency band for the B class cells that Fig. 3 B provide for one embodiment of the invention and the transmission power relation of reference signal；
The schematic diagram of the frequency band for the C class cells that Fig. 3 C provide for one embodiment of the invention and the transmission power relation of reference signal；
A kind of flow chart of the Notification Method for descending power allocation of parameters that Fig. 4 provides for another embodiment of the present invention；
The flow chart of the Notification Method for another descending power allocation of parameters that Fig. 5 provides for another embodiment of the present invention；
A kind of block diagram of the notice device for descending power allocation of parameters that Fig. 6 provides for another embodiment of the present invention；
A kind of block diagram for base station that Fig. 7 provides for another embodiment of the present invention；
A kind of block diagram of the notice device for descending power allocation of parameters that Fig. 8 provides for another embodiment of the present invention；
A kind of block diagram of the notice device for descending power allocation of parameters that Fig. 9 provides for another embodiment of the present invention；
A kind of block diagram for terminal that Fig. 10 provides for another embodiment of the present invention.
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 clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of Notification Method of descending power allocation of parameters, and the executive agent of this method is base station, as shown in figure 1, this method includes：
Step 1 01, base station sends the specific descending power allocation of parameters of frequency band to terminal, so that the terminal obtains channel condition information according to the specific descending power allocation of parameters of the frequency band, the specific descending power allocation of parameters of frequency band includes N number of parameter, N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2; Optionally, terminal can be any one terminal in the service range of base station.
Optionally, different descending power allocation of parameters and different frequency bands --- correspondence.N number of parameter is all first kind parameter；Or, N number of parameter includes first kind parameter and Equations of The Second Kind parameter.Optionally, can according to Equations of The Second Kind gain of parameter first kind parameter, according to first kind gain of parameter channel condition information, or directly according to first kind gain of parameter channel condition information.
It should be noted that in descending power allocation of parameters except including N number of parameter in addition to, other parameters can also be included, this parameter is not the specific parameter of frequency band.It should be understood that this parameter is the parameter of Whole frequency band, not because of the different and different of frequency band.
For example, descending power allocation of parameters includes 2 parameters, respectively parameter 1 and parameter 2, wherein, parameter 1 and parameter 2 are first kind parameter.The correspondence frequency band 1 of parameter 1, the correspondence frequency band 2 of parameter 2, and frequency band 1 is different from frequency band 2.
For example, descending power allocation of parameters includes 3 parameters, respectively parameter 1, parameter 2 and parameter 3, wherein, parameter 1 and parameter 2 are first kind parameter, and parameter 3 is Equations of The Second Kind parameter.The correspondence frequency band 1 of parameter 1, the correspondence frequency band 2 of parameter 1, the correspondence frequency band 3 of parameter 3, and frequency band 1, frequency band 1 are different from frequency band 3.Or, parameter 1 is first kind parameter, and parameter 2 and parameter 3 are Equations of The Second Kind parameter.The correspondence frequency band 1 of parameter 1, the correspondence frequency band 2 of parameter 2, the correspondence frequency band 3 of parameter 3, and frequency band 1, frequency band 2 are different from frequency band 3.
In the present embodiment, in any one cell in the service range of base station, the transmission power of Base Transmitter reference signal is different over different frequency bands.For example, as shown in Fig. 2, the cell in the service range of base station is represented with hexagon, each hexagon represents a cell, and can be divided into three classes each cell cell, such as A classes cell, B classes cell and C class cells.Optionally, according to large scale fading characteristic, each cell is divided into cell edge region and center of housing estate region.For example, when the cell area that large scale decline exceedes pre-determined threshold belongs to cell edge region, being represented in Fig. 2 with shadow region；When the cell area that large scale decline is less than pre-determined threshold belongs to center of housing estate region, represented in Fig. 2 with white portion.Wherein, large scale decline typically refers to the signal attenuation caused by various block, and its distribution is regarded as lognormal, and it is that Slow becomes.
Optionally, the transmitted reference signal of frequency band 1 is used for cell edge region, for center of housing estate area Domain uses the transmitted reference signal of frequency band 2.And the power for the reference signal launched in frequency band 1 is higher, the power for the reference signal launched in frequency band 1 is relatively low, and reference signal refers to public reference signal CRS and/or channel state information reference signals CSI-RS.In addition, the cell edge region for three class cells in a cell can also use different frequency bands, to avoid the reference of minizone from newly breathing out interference.A classes cell as shown in Figure 3A, B classes cell as shown in Figure 3 B and C class cells as shown in Figure 3 C, the transverse axis of reference axis represents frequency band, and the longitudinal axis represents the transmission power of reference signal, wherein, shadow region represents frequency band 1, and white portion represents frequency band 2.It should be noted that Fig. 3 A, Fig. 3 B, Fig. 3 C are only schematic diagram.
Terminal is received after the specific descending power allocation of parameters of at least two frequency bands of base station transmission, can determine EPRE according to descending power allocation of parametersPDSeHWith EPREeRSRatio or EPREPDSeHWith EPRECSI-RSRatio, the EPREDSC(Energy Per Resource E lement) represents the energy on each Physical Downlink Shared Channel (Phys ica l Downl ink Shared Channel, PDSCH) resource unit, the EPREeRSRepresent the energy on each CRS resource units, the EPREesi-！^ represents the energy on each CSI-RS resource units, and according to EPREPWith EPREeRSRatio or EPREPWith EPREesi— RSRatio, terminal obtain channel condition information.
Step 102, the base station receives the channel condition information that the terminal is sent.
Base station can be indicated by receiving channel quality（Channe l Qua l i ty Indi cator, CQI) the information acquisition channel condition information that reports.
The embodiment of the present invention provides a kind of Notification Method of descending power allocation of parameters, by sending the specific descending power allocation of parameters of frequency band to terminal, so that the terminal obtains channel condition information according to the specific descending power allocation of parameters of the frequency band, the specific descending power allocation of parameters of frequency band includes N number of parameter, N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;Receive the channel condition information that the terminal is sent.It is constant with the transmission power in the prior art due to CRS or CSI-RS in whole system bandwidth, only has a descending power allocation of parameters for existing Whole frequency band, CRS or CSI-RS transmission power will not change with the change of frequency band, therefore it may result between CRS or CSI-RS between cell and the interference of stronger minizone reference signal occur, and then reduce the spectrum efficiency of system and compare, the embodiment of the present invention is by sending the specific descending power allocation of parameters of frequency band, and then can realize that different frequency bands use different descending power allocation of parameters, i.e. different frequency bands Using different transmission powers, the interference of minizone reference signal can be reduced, so as to improve the spectrum efficiency of system.The embodiment of the present invention provides a kind of Notification Method of descending power allocation of parameters, and as shown in Fig. 4, this method includes：
Step 401, terminal receives the specific descending power allocation of parameters of frequency band that base station is sent, and the specific descending power allocation of parameters of frequency band includes N number of parameter, and N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Optionally, terminal can be any one terminal in the service range of base station.
Optionally, different descending power allocation of parameters and different frequency bands --- correspondence.N number of parameter is all first kind parameter；Or, N number of parameter includes first kind parameter and Equations of The Second Kind parameter.Optionally, can according to Equations of The Second Kind gain of parameter first kind parameter, according to first kind gain of parameter channel condition information, or directly according to first kind gain of parameter channel condition information.
It should be noted that in descending power allocation of parameters except including N number of parameter in addition to, other parameters can also be included, this parameter is not the specific parameter of frequency band.It should be understood that this parameter is the parameter of Whole frequency band, not because of the different and different of frequency band.
For example, descending power allocation of parameters includes 2 parameters, respectively parameter 1 and parameter 2, wherein, parameter 1 and parameter 2 are first kind parameter.The correspondence frequency band 1 of parameter 1, the correspondence frequency band 2 of parameter 2, and frequency band 1 is different from frequency band 2.
For example, descending power allocation of parameters includes 3 parameters, respectively parameter 1, parameter 2 and parameter 3, wherein, parameter 1 and parameter 2 are first kind parameter, and parameter 3 is Equations of The Second Kind parameter.The correspondence frequency band 1 of parameter 1, the correspondence frequency band 2 of parameter 1, the correspondence frequency band 3 of parameter 3, and frequency band 1, frequency band 1 are different from frequency band 3.Or, parameter 1 is first kind parameter, and parameter 2 and parameter 3 are Equations of The Second Kind parameter.The correspondence frequency band 1 of parameter 1, the correspondence frequency band 2 of parameter 2, the correspondence frequency band 3 of parameter 3, and frequency band 1, frequency band 2 are different from frequency band 3.
In the present embodiment, in any one cell in the service range of base station, the transmission power of Base Transmitter reference signal is different over different frequency bands, for details, reference can be made to the description in step 101 in accompanying drawing 1, This is repeated no more.
Step 402, channel condition information is obtained according to the specific descending power allocation of parameters of the frequency band；This step includes：EPRE is obtained according to the descending power allocation of parametersPDSeHWith EPREeRSRatio or 61^ evil spirits11With EPREesi— RSRatio, EPRE evil spirit represents the energy on each Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on each CRS resource units, the EPRECSI_RSRepresent the energy on each CS I-RS resource units；According to the EPREPDSeHWith EPREeRSRatio or the EPREPDSeHWith EPREesi- ^ ratio, adjusts initial channel status information, the channel condition information after being adjusted.
The N number of different frequency band of N number of parameter correspondence in descending power allocation of parameters, therefore, N number of different frequency band corresponds to different channel condition informations respectively.It should be noted that the channel condition information obtained according to the specific descending power allocation of parameters of frequency band is state information of data channel, and the channel used during the specific descending power allocation of parameters of the frequency band for receiving base station transmission can be common channel.
It should be noted that, base station to terminal after the specific descending power allocation of parameters of frequency band is sent, on N number of frequency band reference signal is sent to the terminal, terminal is received after the reference signal of base station transmission, terminal is according to the reference signal after wireless channel is decayed being an actually-received, it is compared with original reference signals, so as to obtain initial channel status information.
Step 403, the channel condition information is sent to the base station.
Optionally, report information that radio channel status information is reported into base station by CQ I.
The embodiment of the present invention provides a kind of Notification Method of descending power allocation of parameters, by receiving the specific descending power allocation of parameters of frequency band that base station is sent；Channel condition information is obtained according to the specific descending power allocation of parameters of the frequency band；The channel condition information is sent to the base station.It is constant with the transmission power in the prior art due to CRS or CS I-RS in whole system bandwidth, only has a descending power allocation of parameters for existing Whole frequency band, CRS or CS I-RS transmission power will not change with the change of frequency band, therefore it may result between CRS or CS I-RS between cell and the interference of stronger minizone reference signal occur, and then reduce the spectrum efficiency of system and compare, the embodiment of the present invention passes through the specific descending power allocation of parameters of frequency acceptance band, and then can realize that different frequency bands use different descending power allocation of parameters, i.e. different frequency bands uses different transmission powers, minizone ginseng can be reduced The interference of signal is examined, so as to improve the spectrum efficiency of system.The embodiment of the present invention provides a kind of Notification Method of descending power allocation of parameters, and as shown in Fig. 5, this method includes：
Step 501, base station sends the specific descending power allocation of parameters of frequency band to terminal, and the specific descending power allocation of parameters of frequency band includes N number of parameter, and N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2.
Optionally, N number of parameter can be with all first kind parameters.Wherein, the first kind parameter can be the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPREeRSRatio, the EPREPChant represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is 81^ evil spirits11With EPREesi-RSRatio, the EPREesi-RSRepresent the energy on channel state information reference signals CS I-RS resource units.It should be noted that in descending power allocation of parameters except including N number of parameter in addition to, other parameters can also be included, this parameter is not the specific parameter of frequency band.It should be understood that this parameter is the parameter of Whole frequency band, not because of the different and different of frequency band.
For example, descending power allocation of parameters includes parameter 1 and parameter 2, the wherein correspondence of parameter 1 frequency band 1, the correspondence frequency band 2 of parameter 2, and frequency band 1 is different frequency bands from frequency band 2.
For example, descending power allocation of parameters includes parameter 1, parameter 2 and parameter 3, the wherein correspondence of parameter 1 frequency band 1, the correspondence frequency band 2 of parameter 2, the correspondence frequency band 3 of parameter 3, and frequency band 1, frequency band 2 are different frequency bands from frequency band 3.
Optionally, N number of parameter includes the first kind parameter and Equations of The Second Kind parameter.Wherein, the Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and described first in the second band The ratio of ratio parameter or second ratio parameter；
The first band and any two frequency bands that the second band is in N number of different frequency band.For example, descending power allocation of parameters includes parameter 1 and parameter 4, wherein, parameter 1 is first kind parameter, and parameter 4 is Equations of The Second Kind parameter.The correspondence frequency band 1 of parameter 1, the correspondence frequency band 4 of parameter 4, parameter 4 is that the ratio of the parameter 1 and the first kind parameter on frequency band 4 on frequency band 1, i.e. parameter 4 are the parameter of ratio between two first kind parameters.Or parameter 1 can be the first ratio parameter, it can also be the second ratio parameter, in addition, the corresponding first kind parameter of frequency band 4 is parameter 2, parameter 2 can be for the with ratio parameter, it can also be the second ratio parameter, then parameter 4 can also be the parameter 1 and frequency band on frequency band 1, the ratio of the first ratio parameter or the second ratio parameter on 4, or parameter 4 can also be the first ratio parameter on frequency band 1 and the first ratio parameter or the ratio of the second ratio parameter on frequency band 4, or, parameter 4 can also be the second ratio parameter on frequency band 1 and the first ratio parameter or the ratio of the second ratio parameter on frequency band 4.It should be noted that not including the corresponding first kind parameter of frequency band 2 in descending power allocation of parameters.
For example, descending power allocation of parameters includes parameter 1, parameter 2 and parameter 4, wherein, descending power allocation of parameters includes 2 first kind parameters and 1 Equations of The Second Kind parameter, i.e. parameter 1, parameter 2 are first kind parameter, and parameter 4 is Equations of The Second Kind parameter.The correspondence frequency band 1 of parameter 1, the correspondence frequency band 2 of parameter 2, the correspondence frequency band 4 of parameter 4, parameter 4 is the ratio of the parameter 1 and the first kind parameter on frequency band 4 on frequency band 1, or, parameter 4 is the ratio of the parameter 2 and the first kind parameter on frequency band 4 on frequency band 2.Assuming that the corresponding first kind parameter of frequency band 4 is parameter 3.
Parameter 1 can be the first ratio parameter, it can also be the second ratio parameter, parameter 3 can be the first ratio parameter, or the second ratio parameter, then parameter 4 can also be the parameter 1 on frequency band 1 and the first ratio parameter or the ratio of the second ratio parameter on frequency band 4.Or parameter 4 can also be the first ratio parameter on frequency band 1 and the first ratio parameter or the ratio of the second ratio parameter on frequency band 4.Or parameter 4 can also be the second ratio parameter on frequency band 1 and the first ratio parameter or the ratio of the second ratio parameter on frequency band 4.
Parameter 2 can be the first ratio parameter, or the second ratio parameter, and parameter 3 can be the first ratio parameter, or the second ratio parameter, then parameter 4 can also be the parameter 1 on frequency band 1 With the first ratio parameter or the ratio of the second ratio parameter on frequency band 4.Or parameter 4 can also be the first ratio parameter on frequency band 2 and the first ratio parameter or the ratio of the second ratio parameter on frequency band 4.Or parameter 4 can also be the second ratio parameter on frequency band 2 and the first ratio parameter or the ratio of the second ratio parameter on frequency band 4.
It should be noted that not including the corresponding first kind parameter of frequency band 4 in descending power allocation of parameters.For example, descending power allocation of parameters includes parameter 1, parameter 2 and parameter 4, wherein, descending power allocation of parameters includes 1 first kind parameter and 2 Equations of The Second Kind parameters, i.e. parameter 1 is first kind parameter, and parameter 2, parameter 4 are Equations of The Second Kind parameter.The correspondence frequency band 1 of parameter 1, the correspondence frequency band 2 of parameter 2, the corresponding first kind parameter of frequency band 2 is parameter 3, the correspondence frequency band 4 of parameter 4, the corresponding first kind parameter of frequency band 4 is parameter, 5, parameter 2 is the ratio of the parameter 1 and the first kind parameter on frequency band 2 on frequency band 1, and parameter 4 is the ratio of the parameter 1 and the first kind parameter on frequency band 4 on frequency band 1.
Parameter 1 can be the first ratio parameter, or the second ratio parameter, and parameter 3 can be the first ratio parameter, or the second ratio parameter.Then parameter 2 can be the corresponding first kind parameter of frequency band 1 first ratio parameter corresponding with frequency band 2 or the ratio of the second ratio parameter, either parameter 2 can be the ratio or parameter 2 of corresponding first ratio parameter of frequency band 1 first ratio parameter corresponding with frequency band 2 or the second ratio parameter can be corresponding second ratio parameter of frequency band 1 first ratio parameter corresponding with frequency band 1 or the second ratio parameter ratio.No longer be the first ratio parameter to parameter 5 herein, or the situation of the second ratio parameter is done and introduced one by one, for details, reference can be made to parameter 3 for the first ratio parameter, or the second ratio parameter situation.It should be noted that not including the corresponding first kind parameter of frequency band 2 and the corresponding first kind parameter of frequency band 4 in descending power allocation of parameters.
For example, first kind parameter is 61^11With EPRErasRatio when, P can be usedA1Parameter 1 is represented, parameter 1 is first kind parameter,PAI is the descending power allocation of parameters corresponding to frequency band 1.Can be using parameter 2 be represented, parameter 2 is first kind parameter, PA2For the descending power allocation of parameters corresponding to frequency band 2.
P/p/parameter 4 is Equations of The Second Kind parameter, can be usedΡΑ " represents parameter 4, thenΑ14 /ΡΑ 4, orA14AM, wherein,ΡΑ 4 represents the corresponding first kind parameter of frequency band 4.Certainly, parameter 4 can also use ρΑ24Represent, , or
Or, parameter 1 is first kind parameter, and parameter 2 and parameter 4 are Equations of The Second Kind parameter, wherein, number 2 is used2Represent, then the corresponding first kind parameter of band 2, useρΑ14Table Show parameter 4, then Ι, wherein, PA4Represent the corresponding first kind parameter of frequency band 4.
For example, first kind parameter is EPREPDSfflWith EPREesi-RSRatio when, can using represent parameter 1, parameter 1 be first kind parameter, PC1For the descending power allocation of parameters corresponding to frequency band 1.It can use
?∞Parameter 2 is represented, parameter 2 is first kind parameter, PC2Join to be distributed corresponding to the descending power of frequency band 2
p / p / p =icy p =iCA/ numbers.Parameter 4 is Equations of The Second Kind parameter, can be with14Parameter 4 is represented ,/PC4, or "4 /PC1, wherein, PC4Represent the corresponding first kind parameter of frequency band 4.Certainly, parameter 4 can also be used and represented,
P =-lC4y
Then/p ", orra4 p- or, parameter 1 is first kind parameter, and parameter 2 and parameter 4 are Equations of The Second Kind parameter, wherein,
P, C1 -P,
Using C12 P, C2
Show, shellfish ^ C12
Pc table C2, or C1, wherein ^ are frequency band 2 corresponding the
p p
One class parameter, using parameter 4 is represented, thena4 /PC4, oreM /PC1, wherein,P C4Represent the corresponding first kind parameter of frequency band 4.
Further alternative, any two frequency bands are partly overlapping or not overlapping on frequency domain in the corresponding N number of frequency band of N number of parameter that descending power allocation of parameters includes.
Frequency band refers to a band frequency resource, for example, a band frequency resource of 10MHz bandwidth.And frequency domain is a logical concept, refer to frequency space.
Further alternative, each frequency band takes the fractional bandwidth or part physical resource of carrier wave in Base Transmitter reference signal in the corresponding N number of frequency band of N number of parameter that descending power allocation of parameters includes Block；Or,
Each frequency band takes whole bandwidth of carrier wave in Base Transmitter reference signal in the N number of frequency band of N number of parameter correspondence that descending power allocation of parameters includes；The reference signal is CRS or CS I-RS.
For example, a carrier wave is 20MHz, then a frequency band can take whole 20MHz, and this time-frequency band is exactly to take a carrier wave, and a frequency band can also take 3MHz, then frequency band just takes the fractional bandwidth of the carrier wave.
Further alternative, base station sends radio resource control (Radio Resource Cont ro l, RRC) signaling to terminal, and the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
Step 502, base station sends reference signal to the terminal on N number of frequency band.
Wherein, the transmission power of the reference signal sent in N number of frequency band on each frequency band corresponds to the specific descending power allocation of parameters of the frequency band of each frequency band, and the reference signal includes CRS or CS I-RS.Shown in accompanying drawing 3, dash area represents different frequency bands from white portion respectively, and the transmission power of different frequency bands is different, for details, reference can be made to the description of accompanying drawing 3, this is no longer going to repeat them.
Step 503, terminal receives the specific descending power allocation of parameters of frequency band that base station is sent.
It should be noted that the description for the specific descending power allocation of parameters of frequency band may refer to step
Description in 501, herein no longer --- repeat.
Optionally, terminal receives the radio resource control RRC signaling that base station is sent, and the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
It should be noted that the execution sequence of step 502 and step 503 is not fixed, step 502 can be first carried out and perform step 503 again, either first carried out step 503 and perform step 502 or step 502 again and performed simultaneously with step 503.
Step 504, on N number of frequency band, terminal receives the reference signal that the base station is sent.
Step 505, terminal obtains initial channel status information according to the reference signal.
This step can obtain initial channel status information, i.e. terminal according to CRS the or CS I-RS after wireless channel is decayed being an actually-received according to prior art, be compared with original CRS or CS I-RS, so as to obtain channel condition information. Step 506, terminal obtains EPRE according to the descending power allocation of parametersPDSeHWith EPREeRSRatio or 61^ evil spirits11With EPRE CSI-RS ratio.
The EPRE puts the energy represented on Physical Downlink Shared Channel PDSCH resource units, the EPRECRSRepresent the energy on CRS resource units, the EPREesi-RSRepresent the energy on CS I-RS resource units.
Optionally, this step terminal obtains 6 according to the descending power allocation of parameters!^11With EPRECRSRatio or EPREPChant and EPREesi_RSRatio when, because N number of parameter in descending power allocation of parameters can be that first kind parameter can also be Equations of The Second Kind parameter, therefore the EPRE can will be directly obtained according to the first kind parameterPRow and EPREeRSRatio or the EPREPRow and EPREesi— RSRatio；Or,
Calculated according to the Equations of The Second Kind parameter and obtain the first kind parameter, then regard the first kind parameter as the EPREPDSeHWith EPREeRSRatio or the EPREPDSa^ EPREesi_RSRatio.
Step 507, terminal is according to described 81^ evil spirits11With EPREeRSRatio or the EPREPDSfflWith EPRECSI-RSRatio, adjust the initial channel status information, the channel condition information after being adjusted.
For example, CQI is 10dB, 8 in the initial channel status information that step 505 is obtained!^11With EPRECRSRatio or the EPREPDSeHWith EPREesi-RSRatio be 3dB, then CQI value can be increased 3dB, so that the channel condition information after adjust, i.e. CQI are 1 3dB.
Step 508, the channel condition information after adjustment is sent to base station by terminal.
The embodiment of the present invention provides a kind of Notification Method of descending power allocation of parameters, by the way that the specific descending power allocation of parameters of frequency band is notified to terminal, and then can realize that different frequency bands use different descending power allocation of parameters, i.e. different frequency bands uses different transmission powers, the interference of minizone reference signal can be reduced, so as to improve the spectrum efficiency of system.The embodiment of the present invention provides a kind of notice device of descending power allocation of parameters, as shown in Fig. 6, and the device can be base station, and the device includes：Transmitting element 601, receiving unit 602;
Transmitting element 601, for sending the specific descending power allocation of parameters of frequency band to terminal, so that the terminal obtains channel condition information according to the specific descending power allocation of parameters of the frequency band, the frequency band is special Fixed descending power allocation of parameters includes N number of parameter, and N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Optionally, N number of parameter is first kind parameter；
The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPChant represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is EPREPDSeHWith EPREesi-RSRatio, the EPRECSI-RSRepresent the energy on channel state information reference signals CS I-RS resource units.
Optionally, N number of parameter includes the first kind parameter and Equations of The Second Kind parameter；
The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
The first band and any two frequency bands that the second band is in N number of different frequency band.Optionally, any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitting element 601 is sent.
Optionally, each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitting element 601 is sent；Or, each frequency band takes whole bandwidth of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitting element 601 is sent；The reference signal is CRS or CS I-RS.
Receiving unit 602, for receiving the channel condition information that the terminal is sent.
It is further alternative, the transmitting element 601, for sending radio resource control RRC signaling to terminal, the RRC signaling includes the specific descending power allocation of parameters of the frequency band. Further alternative, the transmitting element 601 is additionally operable to：
On N number of frequency band reference signal is sent to the terminal, wherein, the transmission power of the reference signal sent in N number of frequency band on each frequency band corresponds to the specific descending power allocation of parameters of the frequency band of each frequency band, and the reference signal includes CRS or CSI-RS.
It should be noted that, in the shown device of accompanying drawing 6, the content such as information exchange between the specific implementation process and modules of its modules, due to being based on same inventive concept with the inventive method embodiment, embodiment of the method is may refer to, herein not --- repeat.
The embodiment of the present invention provides a kind of notice device of descending power allocation of parameters, and the specific descending power allocation of parameters of frequency band is sent to terminal by transmitting element, so that the terminal obtains channel condition information according to the descending power allocation of parameters；Receiving unit receives the channel condition information that the terminal is sent, different frequency bands are made it possible to achieve using different descending power allocation of parameters, i.e. different frequency bands uses different transmission powers, the interference of minizone reference signal can be reduced, so as to improve the spectrum efficiency of system.The embodiment of the present invention provides a kind of base station, as shown in fig. 7, the base station includes：Memory 701, processor 702, transmitter 703, receiver 704;
Memory 701, includes the information of program routine for storing；
Processor 702, for being coupled with memory 701, transmitter 703 and receiver 704, the execution for controlling described program routine；
Transmitter 703, for sending the specific descending power allocation of parameters of frequency band to terminal, so that the terminal obtains channel condition information according to the specific descending power allocation of parameters of the frequency band, the specific descending power allocation of parameters of frequency band includes N number of parameter, N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Receiver 704, for receiving the channel condition information that the terminal is sent.
Optionally, N number of parameter in the specific descending power allocation of parameters of the frequency band that the transmitter 703 is sent is first kind parameter；
The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRS Ratio, the EPREPChant represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is EPREPDSeHWith EPREesi-RSRatio, the EPRECSI-RSRepresent the energy on channel state information reference signals CSI-RS unit.
Optionally, N number of parameter in the specific descending power allocation of parameters of the frequency band that the transmitter 703 is sent includes the first kind parameter and Equations of The Second Kind parameter；
The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
The first band and any two frequency bands that the second band is in N number of different frequency band.Optionally, any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitter 703 is sent.
Optionally, each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitter 703 is sent；Or, each frequency band takes whole bandwidth of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitter 703 is sent；The reference signal is CRS or CSI-RS.
Further alternative, the transmitter 703 is used for：
Radio resource control RRC signaling is sent to terminal, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
Further alternative, the transmitter 703 is additionally operable to：
Reference signal is sent to the terminal on N number of frequency band, wherein, the transmission power of the reference signal sent in N number of frequency band on each frequency band corresponds to the frequency band spy of each frequency band Fixed descending power allocation of parameters, the reference signal includes CRS or CS I-RS.It should be noted that the N parameter that descending power allocation of parameters includes is first kind parameter, the first kind parameter is EPREPChant and EPREeRSRatio, or, the first kind parameter be EPRE evil spirit ^ EPRECSI— RSRatio.Numerically, transmission power and EPRECRSOr EPRECSI_RSIt is identical.
It should be noted that, in the shown device of accompanying drawing 7, the content such as information exchange between the specific implementation process and modules of its modules, due to being based on same inventive concept with the inventive method embodiment, embodiment of the method is may refer to, herein not --- repeat.
The embodiment of the present invention provides a kind of base station, and the specific descending power allocation of parameters of frequency band is sent to terminal by transmitter, so that the terminal obtains channel condition information according to the descending power allocation of parameters；Receiver receives the channel condition information that the terminal is sent, different frequency bands are made it possible to achieve using different descending power allocation of parameters, i.e. different frequency bands uses different transmission powers, the interference of minizone reference signal can be reduced, so as to improve the spectrum efficiency of system.The embodiment of the present invention provides a kind of notice device of descending power allocation of parameters, and the device can be terminal, as shown in figure 8, the device includes：Receiving unit 801, obtaining unit 802, transmitting element 803;Receiving unit 801, the specific descending power allocation of parameters of frequency band for receiving base station transmission, the specific descending power allocation of parameters of frequency band includes N number of parameter, and N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Wherein, N number of parameter in the specific descending power allocation of parameters of the frequency band that the receiving unit 801 is received is first kind parameter；The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPRow and EPREeRSRatio, the EPREPRow represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is 81^11With EPREcSI-RSRatio, the EPREesi-RSRepresent the energy on channel state information reference signals CS I-RS resource units；
The N parameter in the specific descending power allocation of parameters of the frequency band that the receiving unit 801 is received includes the first kind parameter and Equations of The Second Kind parameter；Wherein, the Equations of The Second Kind parameter is the first frequency
The first band and any two frequency bands that the second band is in N number of different frequency band.Optionally, any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiving unit 801 is received.
Optionally, each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiving unit 801 is received；Or, each frequency band takes whole bandwidth of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiving unit 801 is received；The reference signal is CRS or CSI-RS.
Obtaining unit 802, the specific descending power allocation of parameters of the frequency band for being received according to receiving unit 801 obtains channel condition information；
Transmitting element 803, the channel condition information for obtaining unit 802 to be obtained is sent to the base station.
It is further alternative, before the descending power allocation of parameters that the obtaining unit 802 is received according to receiving unit 801 obtains channel condition information, the receiving unit 801, it is additionally operable to receive the reference signal that the base station is sent on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CSI-RS;
The obtaining unit 802, is additionally operable to obtain initial channel status information according to the reference signal.It is further alternative, when N number of parameter in the specific descending power allocation of parameters of the frequency band is first kind parameter, the obtaining unit 802, for according to first ratio parameter or second ratio parameter, adjust the initial channel status information, the channel condition information after being adjusted. It is further alternative, as shown in figure 9, when N parameter in the specific descending power allocation of parameters of the frequency band is Equations of The Second Kind parameter, the obtaining unit 802, including：First obtains module 8021, and second obtains module 8022;
First obtains module 8021, and first ratio parameter or second ratio parameter are obtained for being calculated according to the Equations of The Second Kind parameter；
Second obtains module 8022, for according to first ratio parameter or second ratio parameter, adjusting the initial channel status information, the channel condition information after being adjusted.
Further alternative, during the specific descending power allocation of parameters of the frequency acceptance band of receiving unit 801, the radio resource control RRC signaling for receiving base station transmission, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
It should be noted that, in the shown device of accompanying drawing 8 or 9, the content such as information exchange between the specific implementation process and modules of its modules, due to being based on same inventive concept with the inventive method embodiment, embodiment of the method is may refer to, herein not --- repeat.
The embodiment of the present invention provides a kind of notice device of descending power allocation of parameters, the specific descending power allocation of parameters of frequency band that base station is sent is received by receiving unit, the specific descending power allocation of parameters of the frequency band that then obtaining unit is received according to receiving unit obtains channel condition information；The channel condition information of acquisition is sent to the base station by transmitting element, allow to by the specific descending power allocation of parameters of frequency band, realize that different frequency bands use different descending power allocation of parameters, i.e. different frequency bands uses different transmission powers, the interference of minizone reference signal can be reduced, so as to improve the spectrum efficiency of system.The embodiment of the present invention provides a kind of terminal, and as shown in Figure 10, the terminal includes：Receiver 1001, memory 1002, processor 1003, transmitter 1004;
Receiver 1001, the specific descending power allocation of parameters of frequency band for receiving base station transmission, the specific descending power allocation of parameters of frequency band includes N number of parameter, and N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
Memory 1002, includes the information of program routine for storing； Processor 1003, for being coupled with memory 1002, transmitter 1004 and receiver 1001, the execution for controlling described program routine, specifically for：The specific descending power allocation of parameters of the frequency band received according to receiver obtains channel condition information；
Transmitter 1004, the channel condition information for processor to be obtained is sent to the base station.Wherein, N number of parameter in the specific descending power allocation of parameters of the frequency band that the receiver 1 001 is received is first kind parameter；The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPREeRSRatio, the EPREPChant represents the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is 81^11With EPREesi_RSRatio, the EPREesi_RSRepresent the energy on channel state information reference signals CS I-RS resource units.
N number of parameter in the specific descending power allocation of parameters of the frequency band that the receiver 1001 is received includes the first kind parameter and Equations of The Second Kind parameter；Wherein, the Equations of The Second Kind parameter be the first kind parameter in the first kind parameter and second band in first band ratio；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
The first band and any two frequency bands that the second band is in N number of different frequency band.Optionally, any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiver 1001 is received.
Optionally, each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiver 1001 is received；Or, each frequency band takes the complete of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiver 1001 is received Portion's bandwidth；The reference signal is CRS or CS I-RS.
It is further alternative, before the specific descending power allocation of parameters of the frequency band that the processor 1003 is received according to receiver 1001 obtains channel condition information, the receiver 1 001, it is additionally operable to receive the reference signal that the base station is sent on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CS I-RS;
The processor, is additionally operable to obtain initial channel status information according to the reference signal.
It is further alternative, when N number of parameter in the specific descending power allocation of parameters of the frequency band is first kind parameter, the processor 1003 is used for according to first ratio parameter or second ratio parameter, adjust the initial channel status information, the channel condition information after being adjusted.
Further alternative, when N number of parameter in the specific descending power allocation of parameters of the frequency band is Equations of The Second Kind parameter, the processor 1003 calculates according to the Equations of The Second Kind parameter and obtains first ratio parameter or second ratio parameter；Further according to first ratio parameter or second ratio parameter, the initial channel status information, the channel condition information after being adjusted are adjusted.
Further alternative, during the specific descending power allocation of parameters of the frequency acceptance band of receiver 1001, the radio resource control RRC signaling for receiving base station transmission, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
It should be noted that, in attached Figure 10 shown devices, the content such as information exchange between the specific implementation process and modules of its modules, due to being based on same inventive concept with the inventive method embodiment, embodiment of the method is may refer to, herein not --- repeat.
The embodiment of the present invention provides a kind of notice device of descending power allocation of parameters, the specific descending power allocation of parameters of frequency band that base station is sent is received by receiver, the specific descending power allocation of parameters of the frequency band that then processor is received according to receiving unit obtains channel condition information；The channel condition information of acquisition is sent to the base station by transmitter, allow to by the specific descending power allocation of parameters of frequency band, realize that different frequency bands use different descending power allocation of parameters, i.e. different frequency bands uses different transmission powers, the interference of minizone reference signal can be reduced, so as to improve the spectrum efficiency of system.
It should be noted that, device embodiment described above is only schematical, wherein the unit illustrated as separating component can be or may not be physically separate, is shown as unit Part can be or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Some or all of module therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.Those of ordinary skill in the art are without creative efforts, you can to understand and implement.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can add the mode of required common hardware to realize by software, it can certainly include application specific integrated circuit, dedicated cpu, private memory, special components and parts etc. realize by specialized hardware, but the former is more preferably embodiment in many cases.Understood based on such, the part that technical scheme substantially contributes to prior art in other words can be embodied in the form of software product, the computer software product is stored in the storage medium that can be read, such as the floppy disk of computer, USB flash disk, mobile hard disk, read-only storage（ROM, Read-Only Memory), random access memory（RAM, Random Acces s Memory), magnetic disc or CD etc., including some instructions are to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Perform the method described in each embodiment of the invention.
Each embodiment in this specification is described by the way of progressive, and identical similar part is mutually referring to what each embodiment was stressed is the difference with other embodiment between each embodiment.For device and system embodiment, because it is substantially similar to embodiment of the method, so describing fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
It is described above; only embodiment of the invention, but protection scope of the present invention is not limited thereto, any one skilled in the art the invention discloses technical scope in; change or replacement can be readily occurred in, should be all included within the scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.

Claims (29)

  1. Claims
    1st, a kind of Notification Method of descending power allocation of parameters, it is characterised in that including：
    The specific descending power allocation of parameters of frequency band is sent to terminal, so that the terminal obtains channel condition information according to the specific descending power allocation of parameters of the frequency band, the specific descending power allocation of parameters of frequency band includes N number of parameter, N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
    Receive the channel condition information that the terminal is sent.
    2nd, according to the method described in claim 1, it is characterised in that
    N number of parameter is first kind parameter；
    The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPDSeHRepresent the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is EPREPDSfflWith EPREesi-RSRatio, the EPREesi-RSRepresent the energy on channel state information reference signals CS I-RS resource units.
    3rd, method according to claim 2, it is characterised in that
    N number of parameter includes the first kind parameter and Equations of The Second Kind parameter；
    The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
    The first band and any two frequency bands that the second band is in N number of different frequency band.
    4th, the method according to claim 1 or 3, it is characterised in that
    Any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band.
    5th, the method according to claim 1 or 4, it is characterised in that
    In N number of frequency band each frequency band taken in Base Transmitter reference signal carrier wave fractional bandwidth or Person's part physical resource block；Or,
    Each frequency band takes whole bandwidth of carrier wave in Base Transmitter reference signal in N number of frequency band；The reference signal is CRS or CS I-RS.
    6th, the method according to any one of claim 1-5, it is characterised in that described to send the specific descending power allocation of parameters of frequency band to terminal, including：
    Radio resource control RRC signaling is sent to terminal, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
    7th, the method according to any one of claim 1-6, it is characterised in that after the transmission specific descending power allocation of parameters of frequency band to terminal, before the channel condition information for receiving the terminal transmission, in addition to：
    On N number of frequency band reference signal is sent to the terminal, wherein, the transmission power of the reference signal sent in N number of frequency band on each frequency band corresponds to the specific descending power allocation of parameters of the frequency band of each frequency band, and the reference signal includes CRS or CSI-RS.
    8th, a kind of Notification Method of descending power allocation of parameters, it is characterised in that including：
    The specific descending power allocation of parameters of frequency band that base station is sent is received, the specific descending power allocation of parameters of frequency band includes N number of parameter, and N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;Channel condition information is obtained according to the specific descending power allocation of parameters of the frequency band；
    The channel condition information is sent to the base station.
    9th, method according to claim 8, it is characterised in that
    N number of parameter is first kind parameter；
    The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPDSeHRepresent the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is 81^ evil spirits11With EPREesi_RSRatio, the EPREesi_RSRepresent the energy on channel state information reference signals CSI-RS unit.
    10th, method according to claim 9, it is characterised in that N number of parameter includes the first kind parameter and Equations of The Second Kind parameter；
    The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
    The first band and any two frequency bands that the second band is in N number of different frequency band.
    11st, the method according to claim 9, it is characterised in that after the specific descending power allocation of parameters of frequency band that the reception base station is sent, in addition to：
    The reference signal that the base station is sent is received on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CS I-RS;
    Initial channel status information is obtained according to the reference signal；
    It is described that channel condition information is obtained according to the specific descending power allocation of parameters of the frequency band, including：According to first ratio parameter or second ratio parameter, the initial channel status information, the channel condition information after being adjusted are adjusted.
    12nd, method according to claim 10, it is characterised in that after the specific descending power allocation of parameters of frequency band that the reception base station is sent, in addition to：
    The reference signal that the base station is sent is received on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CS I-RS;
    Initial channel status information is obtained according to the reference signal；
    It is described that channel condition information is obtained according to the specific descending power allocation of parameters of the frequency band, including：Calculated according to the Equations of The Second Kind parameter and obtain first ratio parameter or second ratio parameter；According to first ratio parameter or second ratio parameter, the initial channel status information, the channel condition information after being adjusted are adjusted.
    13, the method according to claim 8 or 10, it is characterised in that Any two frequency band partly overlaps or not overlapping on frequency domain in N number of frequency band.
    14th, the method according to claim 13, it is characterised in that
    Each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in the Base Transmitter reference signal in N number of frequency band；Or,
    Each frequency band takes whole bandwidth of carrier wave in the Base Transmitter reference signal in N number of frequency band；
    The reference signal is CRS or CS I-RS.
    15th, the method according to any one of claim 8-14, it is characterised in that the specific descending power allocation of parameters of frequency band that the reception base station is sent, including：
    The radio resource control RRC signaling that base station is sent is received, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
    16th, a kind of notice device of descending power allocation of parameters, it is characterised in that including：
    Transmitting element, for sending the specific descending power allocation of parameters of frequency band to terminal, so that the terminal obtains channel condition information according to the specific descending power allocation of parameters of the frequency band, the specific descending power allocation of parameters of frequency band includes N number of parameter, N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
    Receiving unit, for receiving the channel condition information that the terminal is sent.
    17th, device according to claim 16, it is characterised in that
    N number of parameter in the specific descending power allocation of parameters of the frequency band that the transmitting element is sent is first kind parameter；
    The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPDSeHRepresent the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is 81^ evil spirits11With EPREesi_RSRatio, the EPREesi_RSRepresent the energy on channel state information reference signals CS I-RS resource units.
    18th, device according to claim 17, it is characterised in that N number of parameter in the specific descending power allocation of parameters of the frequency band that the transmitting element is sent includes the first kind parameter and Equations of The Second Kind parameter；
    The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio parameter or the ratio of second ratio parameter in the second band；
    The first band and any two frequency bands that the second band is in N number of different frequency band.
    19th, the device according to claim 16 or 18, it is characterised in that
    Any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitting element is sent.
    20th, the device according to claim 16 or 19, it is characterised in that
    Each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitting element is sent；Or,
    Each frequency band takes whole bandwidth of carrier wave in Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the transmitting element is sent；
    The reference signal is CRS or CS I-RS.
    21st, the device according to any one of claim 16-20, it is characterised in that the transmitting element, is used for：
    Radio resource control RRC signaling is sent to terminal, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
    22nd, the device according to any one of claim 16-21, it is characterised in that the transmitting element, is additionally operable to：
    Reference signal is sent to the terminal on N number of frequency band, wherein, it is each in N number of frequency band The transmission power of the reference signal sent on frequency band corresponds to the specific descending power allocation of parameters of the frequency band of each frequency band, and the reference signal includes CRS or CS I-RS.
    23rd, a kind of notice device of descending power allocation of parameters, it is characterised in that including：
    Receiving unit, the specific descending power allocation of parameters of frequency band for receiving base station transmission, the specific descending power allocation of parameters of frequency band includes N number of parameter, and N number of parameter corresponds to N number of frequency band respectively, and the N is more than or equal to 2;
    Obtaining unit, the specific descending power allocation of parameters of the frequency band for being received according to receiving unit obtains channel condition information；
    Transmitting element, the channel condition information for obtaining unit to be obtained is sent to the base station.
    24th, device according to claim 23, it is characterised in that
    N number of parameter in the specific descending power allocation of parameters of the frequency band that the receiving unit is received is first kind parameter；
    The first kind parameter is the first ratio parameter, and first ratio parameter is EPREPDSeHWith EPRECRSRatio, the EPREPDSeHRepresent the energy on Physical Downlink Shared Channel PDSCH resource units, the EPREeRSRepresent the energy on public reference signal CRS resource units；Or, the first kind parameter is the second ratio parameter, and second ratio parameter is EPREPDSfflWith EPREesi-RSRatio, the EPREesi-RSRepresent the energy on channel state information reference signals CS I-RS resource units.
    25th, device according to claim 24, it is characterised in that
    N number of parameter in the specific descending power allocation of parameters of the frequency band that the receiving unit is received includes the first kind parameter and Equations of The Second Kind parameter；
    The Equations of The Second Kind parameter is the ratio of the first kind parameter and the first kind parameter in second band in first band；Or, the Equations of The Second Kind parameter is first ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the Equations of The Second Kind parameter is second ratio parameter and first ratio parameter in second band or the ratio of second ratio parameter in the second band in first band；Or, the 3rd class parameter is the first kind parameter in first band and first ratio in the second band The first band and any two frequency bands that the second band is in N number of different frequency band.
    26th, device according to claim 24, it is characterised in that
    The receiving unit, is additionally operable to receive the reference signal that the base station is sent on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CSI-RS;
    The obtaining unit, is additionally operable to obtain initial channel status information according to the reference signal；The obtaining unit, for according to first ratio parameter or second ratio parameter, adjusting the initial channel status information, the channel condition information after being adjusted.
    27th, device according to claim 25, it is characterised in that
    The receiving unit, is additionally operable to receive the reference signal that the base station is sent on N number of frequency band, the reference signal includes public reference signal CRS or channel state information reference signals CSI-RS;
    The obtaining unit, is additionally operable to obtain initial channel status information according to the reference signal；The obtaining unit, including：
    First obtains module, and first ratio parameter or second ratio parameter are obtained for being calculated according to the Equations of The Second Kind parameter；
    Second obtains module, for according to first ratio parameter or second ratio parameter, adjusting the initial channel status information, the channel condition information after being adjusted.
    28th, the device according to claim 23 or 25, it is characterised in that
    Any two frequency bands partly overlap or not overlapping on frequency domain in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiving unit is received.
    29th, device according to claim 28, it is characterised in that
    Each frequency band takes the fractional bandwidth or part physical resource block of carrier wave in the Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiving unit is received；Or,
    Each frequency band takes whole bandwidth of carrier wave in the Base Transmitter reference signal in N number of frequency band in the specific descending power allocation of parameters of the frequency band that the receiving unit is received；
    The reference signal is CRS or CS I-RS. 30th, the device according to any one of claim 23-29, it is characterised in that the receiving unit, is used for：
    The radio resource control RRC signaling that base station is sent is received, the RRC signaling includes the specific descending power allocation of parameters of the frequency band.
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