CN102547951B - Method, device and equipment for determining transmitting power - Google Patents

Abstract

An embodiment of the invention discloses a method, a device and equipment for determining transmitting power. The method for determining the transmitting power includes determining a gain factor of an enhanced dedicated channel dedicated physical data channel (E-DPDCH) under a compression mode according to the number of code channels required by first transmission of data; and determining the transmission power of the E-DPDCH according to the gain factor of the E-DPDCH under the compression mode. The method, the device and the equipment for determining the transmitting power determines the gain factor of the E-DPDCH under the compression mode according to the number of coded channels required by the first transmission of the data and achieves accurate determination of the gain factor of the E-DPDCH under the compression mode, therefore the transmission power of the E-DPDCH is determined according to the gain factor, waste of the transmission power of the E-DPDCH is reduced, and system capacity is improved.

Description

A kind of determining method of launch power, device and equipment

Technical field

The present invention relates to communication technical field, particularly a kind of determining method of launch power, device and equipment.

Background technology

WCDMA (Wideband Code Division Multiple Access (WCDMA), Wideband Code Division Multiple Access) in system, can obtain the required transmitting power of E-DPDCH according to the gain factor of E-DPDCH (Enhanced Dedicated Channel Dedicated Physical Data Channel strengthens dedicated channel Dedicated Physical Data Channel).Wherein, a kind of computational methods of the gain factor of E-DPDCH, for adopting extrapolation formula to calculate, are used 1 with reference to E-TFC (E-DCH Transport Format Combination strengthens dedicated channel transport format combination).Computing formula is suc as formula shown in (1),

${\mathrm{\β}}_{\mathrm{ed},i,\mathrm{harq}}={\mathrm{\β}}_{\mathrm{ed},\mathrm{ref}}\sqrt{\frac{L_{e,\mathrm{ref}}}{L_{e,i}}}\sqrt{\frac{K_{e,i}}{K_{e,\mathrm{ref}}}}\·{10}^{\left(\frac{\mathrm{\Δharq}}{20}\right)}---\left(1\right)$

Wherein, β _{ed, ref}refer to reference to E-DPDCH gain factor corresponding to E-TFC; L _{e, ref}refer to reference to E-DPDCH code channel number corresponding to E-TFC; L _{e, i}refer to the E-DPDCH code channel number that i E-TFC (being the current E-TFC corresponding to E-DPDCH channel that will ask for gain factor) is corresponding, if the spreading factor of E-DPDCH channel is 2, L _{e, i}and L _{e, ref}refer to that corresponding spreading factor is the code channel number of 4 o'clock; K _{e, ref}refer to reference to transmission block length corresponding to E-TFC; K _{e, i}refer to i the transmission block length that E-TFC is corresponding; Δ harq refers to the side-play amount of HARQ, is specified by high level, and table 1 has been listed the value of Δ harq.

Table 1

Δ harq signal value

Δ harq power offset (dB)

6	6
		5	5
4	4
		3	3
2	2
		1	1
0	0

At up 16QAM (Quadrature Amplitude modulation, quadrature amplitude modulation) modulation system introduce after, make uplink service speed bring up to 11.52Mbps, along with the raising of service rate, the computing formula of the gain factor of a kind of E-DPDCH under high-rate service has been proposed, use two with reference to E-TFC, be called interpolation formula.This interpolation formula is as follows:

${\mathrm{\β}}_{\mathrm{ed},i,\mathrm{harq}}=\sqrt{\frac{L_{e,\mathrm{ref},1}}{L_{e,i}}}\·\sqrt{(\left(\frac{\frac{L_{e,\mathrm{ref},2}}{L_{e,\mathrm{ref},1}}{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},2}^2-{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},1}^2}{K_{e,\mathrm{ref},2}-K_{e,\mathrm{ref},1}}\right)(K_{e,i}-K_{e,\mathrm{ref},1})+{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},1}^2)}\·{10}^{\left(\frac{\mathrm{\Δharq}}{20}\right)}$

Wherein β _{ed, i, harq}be the gain factor of E-DPDCH, L _{e, i}refer to the code channel number under non-compact model, β _{ed, ref, 1}and β _{ed, ref, 2}refer to that respectively first, second is with reference to E-DPDCH gain factor corresponding to E-TFC; L _{e, ref, 1}and L _{e, ref, 2}refer to that respectively first, second is with reference to E-DPDCH code channel number corresponding to E-TFC, if spreading factor corresponding to E-DPDCH is 2, L _{e, ref, 1}and L _{e, ref, 2}refer to that spreading factor is 4 o'clock corresponding code channel numbers; K _{e, ref, 1}and K _{e, ref, 2}refer to that respectively first, second is with reference to transmission block length corresponding to E-TFC; K _{e, i}refer to i the transmission block length that E-TFC is corresponding; Δ _harqrefer to the skew of HARQ (Hybrid Automatic Repeat Request, mixed automatic retransfer request), specified by high level.

In prior art, under compact model, when 10msTTI (Transmission Time Interval, Transmission Time Interval), the calculating of the gain factor of E-DPDCH is divided into two kinds of situations: present frame in condensed frame situation and present frame in normal frame situation.

Realizing in process of the present invention, inventor finds that prior art at least exists following problem:

The gain factor of the E-DPDCH calculating under compact model in prior art, can not accurately reflect the transmitting power that E-DPDCH is required, and then also inaccurate according to the required transmitting power of the definite E-DPDCH of the gain factor of this E-DPDCH, can cause the transmitting power waste of E-DPDCH, reduce power system capacity.

Summary of the invention

The embodiment of the present invention provides a kind of determining method of launch power, device and equipment, accurately to determine the transmitting power of E-DPDCH, improves power system capacity.

For achieving the above object, the embodiment of the present invention provides a kind of determining method of launch power on the one hand, comprising:

Required code channel number while transmission for the first time according to data, determines the gain factor that strengthens dedicated channel Dedicated Physical Data Channel E-DPDCH under compact model;

According to the gain factor of E-DPDCH under described compact model, determine the transmitting power of described E-DPDCH;

Wherein in the time that described data are transmitted for the first time, required code channel number is L _{e, I, i}, the gain factor of described E-DPDCH is β _{ed, R, i}, and present frame is while being non-condensed frame, described code channel number required while transmitting for the first time according to data determines that the gain factor that strengthens dedicated channel Dedicated Physical Data Channel E-DPDCH under compact model is specially:

${\mathrm{\β}}_{\mathrm{ed},R,i}=\sqrt{\frac{L_{e,\mathrm{ref},1}}{L_{e,I,i}}}\·\sqrt{(\left(\frac{\frac{L_{e,\mathrm{ref},2}}{L_{e,\mathrm{ref},1}}{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},2}^2-{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},1}^2}{K_{e,\mathrm{ref},2}-K_{e,\mathrm{ref},1}}\right)(K_{e,i}-K_{e,\mathrm{ref},1})+{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},1}^2)}\sqrt{\frac{15}{N_{\mathrm{slots},I}}}\·{10}^{\left(\frac{{\mathrm{\Δ}}_{\mathrm{harq}}}{20}\right)},$

Wherein, β _{ed, ref}and β _{ed, ref, 2}be respectively first with reference to strengthening dedicated channel transport format combination (E-TFC) and second with reference to E-DPDCH gain factor corresponding to E-TFC; L _{e, ref, 1}and L _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to E-DPDCH code channel number corresponding to E-TFC; Ke, ref, 1 and Ke, ref, 2 be respectively first with reference to E-TFC and second with reference to transmission block length corresponding to E-TFC; K _{e, i}be i the transmission block length that E-TFC is corresponding; Δ _harqfor the skew of mixed automatic retransfer request (HARQ); N _{slots, I}effective number of time slots of place frame while transmission for the first time for data.

On the other hand, the embodiment of the present invention also provides a kind of determining device of transmitting power, comprising:

Gain determination module, required code channel number when transmitting for the first time according to data, determines the gain factor of E-DPDCH under compact model;

Power determination module, for according to the definite gain factor of described gain determination module, determines the transmitting power of described E-DPDCH;

Described gain determination module comprises:

Second determines submodule, is L for code channel number required in the time that described data are transmitted for the first time _{e, I, i}, the gain factor of described E-DPDCH is β _{ed, R, i}, and present frame is while being non-condensed frame, determines that the gain factor of E-DPDCH is:

${\mathrm{\β}}_{\mathrm{ed},R,i}=\sqrt{\frac{L_{e,\mathrm{ref},1}}{L_{e,I,i}}}\·\sqrt{(\left(\frac{\frac{L_{e,\mathrm{ref},2}}{L_{e,\mathrm{ref},1}}{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},2}^2-{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},1}^2}{K_{e,\mathrm{ref},2}-K_{e,\mathrm{ref},1}}\right)(K_{e,i}-K_{e,\mathrm{ref},1})+{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},1}^2)}\sqrt{\frac{15}{N_{\mathrm{slots},I}}}\·{10}^{\left(\frac{{\mathrm{\Δ}}_{\mathrm{harq}}}{20}\right)},$

Wherein, β _{ed, ref}, and β _{ed, ref, 2}be respectively first with reference to E-TFC and second with reference to E-DPDCH gain factor corresponding to E-TFC; L _{e, ref, 1}and L _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to E-DPDCH code channel number corresponding to E-TFC; K _{e, ref, 1}and K _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to transmission block length corresponding to E-TFC; K _{e, i}be i the transmission block length that E-TFC is corresponding; Δ _harqfor the skew of HARQ; N _{slots, I}effective number of time slots of place frame while transmission for the first time for data.

On the one hand, the embodiment of the present invention also provides a kind of base station, comprises the determining device of above-mentioned a kind of transmitting power again.

On the one hand, the embodiment of the present invention also provides a kind of terminal, comprises the determining device of above-mentioned a kind of transmitting power again.

Compared with prior art, the embodiment of the present invention at least has the following advantages: required code channel number when the embodiment of the present invention is transmitted for the first time according to data, determine the gain factor of E-DPDCH under compact model, realize the gain factor of accurately determining E-DPDCH under compact model, and then determine the transmitting power of E-DPDCH according to this gain factor, reduce the transmitting power waste of E-DPDCH, improved power system capacity.

Brief description of the drawings

In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention; below the accompanying drawing of required use during embodiment is described is briefly described; apparently, the accompanying drawing in the following describes is only some embodiments of the present invention, can not form limiting the scope of the present invention.

Fig. 1 is the flow chart of embodiment of the present invention determining method of launch power;

Fig. 2 is the structure chart of the determining device of a kind of transmitting power of the embodiment of the present invention;

Fig. 3 is the structure chart of the determining device of the another kind of transmitting power of the 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, obviously, described embodiment is only a part of embodiment of the present invention, can not form limiting the scope of the present invention.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

The embodiment of the present invention provides a kind of determining method of launch power, and required code channel number while transmission for the first time according to data, determines the gain factor of E-DPDCH under compact model, and according to the gain factor of E-DPDCH under compact model, determine the transmitting power of E-DPDCH.The method has realized the gain factor of accurately determining E-DPDCH under compact model, determines the transmitting power of E-DPDCH according to the gain factor of this E-DPDCH, can reduce the transmitting power waste of E-DPDCH, improves power system capacity.

As shown in Figure 1, be the flow chart of embodiment of the present invention determining method of launch power, specifically comprise:

Step S101, required code channel number while transmission for the first time according to data, determines the gain factor of E-DPDCH under compact model.

The code channel number needing when the embodiment of the present invention is transmitted for the first time according to data, calculates E-DPDCH under compact model, gain factor when 10msTTI, and the interpolation formula of proposition is suc as formula shown in (2) and formula (3).

In the time that data are transmitted for the first time, required code channel number is L _{e, I, i}, the gain factor of E-DPDCH is β _{ed, C, i}, and present frame is while being condensed frame,

${\mathrm{\β}}_{\mathrm{ed},C,i}={\mathrm{\β}}_{c,C,j}\·\sqrt{\frac{L_{e,\mathrm{ref},1}}{L_{e,I,i}}}\·\sqrt{(\left(\frac{\frac{L_{e,\mathrm{ref},2}}{L_{e,\mathrm{ref},1}}{A}_{\mathrm{ed},\mathrm{ref},2}^2-A_{\mathrm{ed},\mathrm{ref},1}^2}{K_{e,\mathrm{ref},2}-K_{e,\mathrm{ref},1}}\right)(K_{e,i}-K_{e,\mathrm{ref},1})+A_{\mathrm{ed},\mathrm{ref},1}^2)}\·{10}^{\left(\frac{\mathrm{\Δharq}}{20}\right)}\·\sqrt{\frac{15\·N_{\mathrm{pilot},C}}{N_{\mathrm{slots},I}\·N_{\mathrm{pilot},N}}}---\left(2\right)$

In the time that data are transmitted for the first time, required code channel number is L _{e, I, i}, the gain factor of E-DPDCH is β _{ed, R, i}, and present frame is while being non-condensed frame,

${\mathrm{\β}}_{\mathrm{ed},R,i}=\sqrt{\frac{L_{e,\mathrm{ref},1}}{L_{e,I,i}}}\·\sqrt{(\left(\frac{\frac{L_{e,\mathrm{ref},2}}{L_{e,\mathrm{ref},1}}{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},2}^2-{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},1}^2}{K_{e,\mathrm{ref},2}-K_{e,\mathrm{ref},1}}\right)(K_{e,i}-K_{e,\mathrm{ref},1})+{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},1}^2)}\sqrt{\frac{15}{N_{\mathrm{slots},I}}}\·{10}^{\left(\frac{{\mathrm{\Δ}}_{\mathrm{harq}}}{20}\right)}---\left(3\right)$

The meaning of parameters relating in formula (2) and formula (3) is as follows: β _{c, C, j}for the gain factor of DPCCH corresponding to j TFC under compact model, β _cfor the gain factor of DPCCH under non-compact model, β _{ed, ref, 1}and β _{ed, ref, 2}be respectively first with reference to E-TFC and second with reference to E-DPDCH gain factor corresponding to E-TFC; L _{e, ref, 1}and L _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to E-DPDCH code channel number corresponding to E-TFC, if spreading factor corresponding to E-DPDCH is 2, L _{e, ref, 1}and L _{e, ref, 2}for spreading factor is 4 o'clock corresponding code channel numbers; K _{e, ref, 1}and K _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to transmission block length corresponding to E-TFC; K _{e, i}be i the transmission block length that E-TFC is corresponding; Δ _harqfor the skew of HARQ, specified by high level.N _{pilot, C}for the pilot tone number of the each time slot of DPCCH under compact model; N _{pilot, N}for the pilot tone number of the each time slot of DPCCH under non-compact model; N _{slots, I}effective time slot of place frame while transmission for the first time for data (non-compression time slot) number.

Step S102, according to the gain factor of E-DPDCH under compact model, determines the transmitting power of E-DPDCH.

Determine that a kind of method that E-DPDCH transmitting power can adopt is: according to the gain factor of E-DPDCH and DPCCH (Dedicated Physical Control Channel, Dedicated Physical Control Channel) gain factor ratio obtain a power bias, then according to the absolute power of this power bias and DPCCH, obtain the transmitting power of E-DPDCH.

The determining method of launch power providing in above-described embodiment, required code channel number while transmission for the first time according to data, determine the gain factor of E-DPDCH under compact model, realize the gain factor of accurately determining E-DPDCH under compact model, and then determine the transmitting power of E-DPDCH according to this gain factor, reduce the transmitting power waste of E-DPDCH, improved power system capacity.

As shown in Figure 2, be the structural representation of the determining device of a kind of transmitting power of the embodiment of the present invention, comprising:

Gain determination module 21, required code channel number when transmitting for the first time according to data, determines the gain factor of E-DPDCH under compact model;

Power determination module 22, for according to the definite gain factor of gain determination module 21, determines the transmitting power of E-DPDCH.

As shown in Figure 3, gain determination module 21 can comprise:

First determines submodule 211, is L for code channel number required in the time that data are transmitted for the first time _{e, I, i}, the gain factor of E-DPDCH is β _{ed, C, i}, and present frame is while being condensed frame, determines that the gain factor of E-DPDCH is:

${\mathrm{\β}}_{\mathrm{ed},C,i}={\mathrm{\β}}_{c,C,j}\·\sqrt{\frac{L_{e,\mathrm{ref},1}}{L_{e,I,i}}}\·\sqrt{(\left(\frac{\frac{L_{e,\mathrm{ref},2}}{L_{e,\mathrm{ref},1}}{A}_{\mathrm{ed},\mathrm{ref},2}^2-A_{\mathrm{ed},\mathrm{ref},1}^2}{K_{e,\mathrm{ref},2}-K_{e,\mathrm{ref},1}}\right)(K_{e,i}-K_{e,\mathrm{ref},1})+A_{\mathrm{ed},\mathrm{ref},1}^2)}\·{10}^{\left(\frac{\mathrm{\Δharq}}{20}\right)}\·\sqrt{\frac{15\·N_{\mathrm{pilot},C}}{N_{\mathrm{slots},I}\·N_{\mathrm{pilot},N}}},$

Second determines submodule 212, is L for code channel number required in the time that data are transmitted for the first time _{e, I, i}, the gain factor of E-DPDCH is β e _{d, R, i}, and present frame is while being non-condensed frame, determines that the gain factor of E-DPDCH is:

${\mathrm{\β}}_{\mathrm{ed},R,i}=\sqrt{\frac{L_{e,\mathrm{ref},1}}{L_{e,I,i}}}\·\sqrt{(\left(\frac{\frac{L_{e,\mathrm{ref},2}}{L_{e,\mathrm{ref},1}}{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},2}^2-{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},1}^2}{K_{e,\mathrm{ref},2}-K_{e,\mathrm{ref},1}}\right)(K_{e,i}-K_{e,\mathrm{ref},1})+{\mathrm{\β}}_{\mathrm{ed},\mathrm{ref},1}^2)}\sqrt{\frac{15}{N_{\mathrm{slots},I}}}\·{10}^{\left(\frac{{\mathrm{\Δ}}_{\mathrm{harq}}}{20}\right)},$

Wherein, β _{c, C}for the gain factor of DPCCH corresponding to j TFC under compact model; β _cfor the gain factor of DPCCH under non-compact model, β _{ed, ref, 1}and β _{ed, ref, 2}be respectively first with reference to E-TFC and second with reference to E-DPDCH gain factor corresponding to E-TFC; L _{e, ref, 1}and L _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to E-DPDCH code channel number corresponding to E-TFC; K _{e, ref, 1}and K _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to transmission block length corresponding to E-TFC; K _{e, i}be i the transmission block length that E-TFC is corresponding; Δ _harqfor the skew of HARQ; N _{pilot, C}for the pilot tone number of the each time slot of DPCCH under compact model; N _{pilot, N}for the pilot tone number of the each time slot of DPCCH under non-compact model; N _{slots, I}effective number of time slots of place frame while transmission for the first time for data.

In the embodiment of the determining device of above-mentioned transmitting power, gain determination module 21 required code channel number while transmitting for the first time according to data, determine the gain factor of E-DPDCH under compact model, realize the gain factor of accurately determining E-DPDCH under compact model, and then power determination module 22 is determined the transmitting power of E-DPDCH according to this gain factor, reduce the transmitting power waste of E-DPDCH, improved power system capacity.

The embodiment of the present invention also provides a kind of base station, comprises the determining device of above-mentioned a kind of transmitting power.Wherein, this base station can comprise all or part of module of the determining device of above-mentioned a kind of transmitting power.

The embodiment of the present invention also provides a kind of terminal, comprises the determining device of above-mentioned a kind of transmitting power.Wherein, this terminal can comprise all or part of module of the determining device of above-mentioned a kind of transmitting power.

Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, and the mode that also can add necessary general hardware platform by software realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise that some instructions are in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.

It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.

It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into multiple submodules.

The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.

Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.

Claims (6)

1. a determining method of launch power, is characterized in that, comprising:

Required code channel number while transmission for the first time according to data, determines the gain factor that strengthens dedicated channel Dedicated Physical Data Channel E-DPDCH under compact model;

According to the gain factor of E-DPDCH under described compact model, determine the transmitting power of described E-DPDCH;

Wherein in the time that described data are transmitted for the first time, required code channel number is L _{e, I, i}, the gain factor of described E-DPDCH is β _{ed, R, i}, and present frame is while being non-condensed frame, described code channel number required while transmitting for the first time according to data determines that under compact model, the gain factor of E-DPDCH is specially:

Wherein, β _{ed, ref, 1}and β _{ed, ref, 2}be respectively first with reference to strengthening dedicated channel transport format combination E-TFC and second with reference to E-DPDCH gain factor corresponding to E-TFC; L _{e, ref, 1}and L _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to E-DPDCH code channel number corresponding to E-TFC; K _{e, ref, 1}and K _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to transmission block length corresponding to E-TFC; K _e,ibe i the transmission block length that E-TFC is corresponding; △ _harqfor the skew of mixed automatic retransfer request HARQ; N _{slots, I}effective number of time slots of place frame while transmission for the first time for data.

2. the method for claim 1, is characterized in that, the described gain factor according to E-DPDCH under compact model determines that the transmitting power of E-DPDCH comprises:

Determine a power bias according to the ratio of the gain factor of the gain factor of described E-DPDCH and DPCCH;

Determine the transmitting power of E-DPDCH according to the absolute power of described power bias and DPCCH.

3. a determining device for transmitting power, is characterized in that, comprising:

Gain determination module, required code channel number when transmitting for the first time according to data, determines the gain factor that strengthens dedicated channel Dedicated Physical Data Channel E-DPDCH under compact model;

Power determination module, for according to the definite gain factor of described gain determination module, determines the transmitting power of described E-DPDCH;

Described gain determination module comprises:

Second determines submodule, is L for code channel number required in the time that described data are transmitted for the first time _{e, I, i}, the gain factor of described E-DPDCH is β _{ed, R, i}, and present frame is while being non-condensed frame, determines that the gain factor of E-DPDCH is:

Wherein, β _{ed, ref, 1}and β _{ed, ref, 2}be respectively first with reference to E-TFC and second with reference to E-DPDCH gain factor corresponding to E-TFC; L _{e, ref, 1}and L _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to E-DPDCH code channel number corresponding to E-TFC; K _{e, ref, 1}and K _{e, ref, 2}be respectively first with reference to E-TFC and second with reference to transmission block length corresponding to E-TFC; K _{e, i}be i the transmission block length that E-TFC is corresponding; Δ _harqfor the skew of HARQ; N _{slots, I}effective number of time slots of place frame while transmission for the first time for data.

4. device as claimed in claim 3, is characterized in that, described power determination module is further used for determining a power bias according to the ratio of the gain factor of the gain factor of described E-DPDCH and DPCCH; Determine the transmitting power of E-DPDCH according to the absolute power of described power bias and DPCCH.

5. a base station, is characterized in that, comprises the determining device of a kind of transmitting power as described in claim 3-4 any one.

6. a terminal, is characterized in that, comprises the determining device of a kind of transmitting power as described in claim 3-4 any one.