CN103947148B - Discrete transmission detecting device and method - Google Patents

Abstract

The present invention discloses a DTX (discrete transmission) detecting device and method, which can improve accuracy rate of DTX detection. The device comprises a first determining unit for determining uplink receiving channel multipath energy estimates corresponding to a serving cell and determining uplink receiving channel multipath energy estimates corresponding to a cooperation cell according to a reference signal which is received by an antenna of the cooperation cell of the serving cell and is come from a user terminal to detect; and a second determining unit for determining whether a DTX is occurred in the user terminal to detect according to the uplink receiving channel multipath energy estimates corresponding to the serving cell and the corporation cell.

Description

A kind of discontinuous transmission detection means and method

Technical field

The present invention relates to communication technology, particularly to a kind of discontinuous transmission detection means and method.

Background technology

In existing a lot of communication systems, such as LTE (Long Term Evolution, Long Term Evolution), WiMax (Worldwide Interoperability for Microwave Access, worldwide interoperability for microwave accesses), WCDMA (Wideband Code Division Multiple Access, WCDMA), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, Time division multiple access) etc. be In system, for ensureing communication reliability, it is required for whether there occurs DTX (discontinuous to user terminal Transmission, discontinuous transmission) detected.

Current DTX detection scheme is mainly based upon the energy measuring of reference signal, and concrete scheme is that user to be detected is whole The reference signal of the user terminal to be detected that the base station of the belonged to Serving cell in end is received based on the antenna of Serving cell, really Determine uplink receiving channel multi-path energy estimators, determine this use to be detected according to this uplink receiving channel multi-path energy estimators Whether family terminal there occurs DTX.

Taking the DTX detection in LTE system as a example, reference signal is specifically as follows reference pilot signal, and user to be detected is eventually The ginseng of this user terminal to be detected that the base station of the belonged to Serving cell in end is received based on multiple antennas of this Serving cell Examine pilot signal, carry out channel estimation respectively, obtain with multiple antennas corresponding uplink receiving channel multi-path energy estimators after, Based on energy search, the part multipath energy extracting in uplink receiving channel multi-path energy estimators carries out pre-determined threshold judgement, Finally determine whether this user terminal to be detected there occurs DTX；When the multipath energy of detection is more than predetermined threshold value, determining should Not there is DTX in user terminal to be detected, otherwise, it determines this user terminal to be detected there occurs DTX.

However, even with above-mentioned more accurate DTX detection scheme, the false-alarm probability of DTX detection and missing inspection are general Rate is still higher, and the accuracy rate of DTX detection has much room for improvement.

Content of the invention

The embodiment of the present invention provides a kind of DTX detection means and method, in order to improve DTX Detection accuracy.

In a first aspect, providing a kind of DTX detection means, including：

First determining unit, described in the antenna of the Serving cell for being belonged to based on user terminal to be detected is received The reference signal of user terminal to be detected, determines described Serving cell corresponding uplink receiving channel multi-path energy estimators；With And the reference signal of user terminal described to be detected that the antenna of the cooperation cell based on described Serving cell receives, determine institute State cooperation cell corresponding uplink receiving channel multi-path energy estimators；

Second determining unit, for according to described Serving cell corresponding uplink receiving channel multi-path energy estimators and institute State cooperation cell corresponding uplink receiving channel multi-path energy estimators, determine whether described user terminal to be detected there occurs DTX.

In conjunction with a first aspect, in the first possible implementation, described first determining unit, specifically for when described When user terminal to be detected is in the user terminal at described Serving cell edge, the cooperation cell based on described Serving cell The reference signal of the user terminal described to be detected that antenna receives, determines that described cooperation cell corresponding uplink receiving channel is many Footpath energy estimators.

In conjunction with a first aspect, or first aspect the first possible implementation, in the possible realization side of second In formula, described first determining unit, specifically for the cooperation cell to described Serving cell antenna receive described to be checked The reference signal surveying user terminal carries out interference-cancellation process, based on the reference signal after this interference-cancellation process, determines described Cooperation cell corresponding uplink receiving channel multi-path energy estimators.

In conjunction with a first aspect, the first possible implementation of first aspect, or the second of first aspect may Implementation, in the third possible implementation, described first determining unit, specifically for user terminal to be detected The reference signal of the user terminal described to be detected that the antenna of the Serving cell being belonged to receives carries out interference-cancellation process, base Reference signal after this interference-cancellation process, determines described Serving cell corresponding uplink receiving channel multi-path Energy Estimation Value.

In conjunction with a first aspect, the first possible implementation of first aspect, the possible reality of the second of first aspect Existing mode, or the third possible implementation of first aspect, in the 4th kind of possible implementation, described second is true Order unit, specifically for estimating when the most powerful path energy in described Serving cell corresponding uplink receiving channel multi-path energy estimators Most powerful path energy estimators in evaluation and described cooperation cell corresponding uplink receiving channel multi-path energy estimators are respectively less than During equal to predetermined threshold value, determine that described user terminal to be detected there occurs DTX；Otherwise, it determines described user terminal to be detected There is not DTX；Or

When the most powerful path energy estimators in described Serving cell corresponding uplink receiving channel multi-path energy estimators and Most powerful path energy estimators in the corresponding uplink receiving channel multi-path energy estimators in described cooperation cell are all higher than pre- gating During limit value, determine that described user terminal to be detected does not occur DTX；Otherwise, it determines described user terminal to be detected there occurs DTX；Or

Determine that described Serving cell corresponding uplink receiving channel multi-path energy estimators and described cooperation cell are corresponding The average energy estimated value of uplink receiving channel multi-path energy estimators, the most powerful path energy in the average energy estimated value determining When amount estimated value is less than or equal to predetermined threshold value, determine that described user terminal to be detected there occurs DTX；Otherwise, it determines described treat There is not DTX in detection user terminal.

Second aspect, provides a kind of DTX detection method, including：

The user terminal described to be detected that the antenna of the Serving cell being belonged to based on user terminal to be detected is received Reference signal, determines described Serving cell corresponding uplink receiving channel multi-path energy estimators；And it is little based on described service The reference signal of the user terminal described to be detected that the antenna of the cooperation cell in area receives, determines that described cooperation cell is corresponding Uplink receiving channel multi-path energy estimators；

Corresponding according to described Serving cell corresponding uplink receiving channel multi-path energy estimators and described cooperation cell Uplink receiving channel multi-path energy estimators, determine whether described user terminal to be detected there occurs DTX.

In conjunction with second aspect, in the first possible implementation, the sky of the cooperation cell based on described Serving cell The reference signal of the user terminal described to be detected that line receives, determines described cooperation cell corresponding uplink receiving channel multi-path Energy estimators, specially：

When described user terminal to be detected is in the user terminal at described Serving cell edge, little based on described service The reference signal of the user terminal described to be detected that the antenna of the cooperation cell in area receives, determines that described cooperation cell is corresponding Uplink receiving channel multi-path energy estimators.

In conjunction with second aspect, or the first possible implementation of second aspect, in the possible realization side of second In formula, the reference signal of the user terminal described to be detected that the antenna of the cooperation cell based on described Serving cell receives, really Fixed described cooperation cell corresponding uplink receiving channel multi-path energy estimators, specially：

The reference signal of the user terminal described to be detected that the antenna of the cooperation cell of described Serving cell is received is entered Row interference-cancellation process, based on the reference signal after this interference-cancellation process, determines the corresponding uplink receiving in described cooperation cell Channel multi-path energy estimators.

In conjunction with second aspect, the second of the first possible implementation of second aspect, or second aspect may Implementation, in the third possible implementation, the antenna of the Serving cell being belonged to based on user terminal to be detected The reference signal of the user terminal described to be detected receiving, determines described Serving cell corresponding uplink receiving channel multi-path energy Amount estimated value, specially：

The ginseng of the user terminal described to be detected that the antenna of the Serving cell that user terminal to be detected is belonged to is received Examine signal and carry out interference-cancellation process, based on the reference signal after this interference-cancellation process, determine that described Serving cell is corresponding Uplink receiving channel multi-path energy estimators.

In conjunction with second aspect, the first possible implementation of second aspect, the possible reality of the second of second aspect Existing mode, or the third possible implementation of second aspect, in the 4th kind of possible implementation, according to described clothes Business cell corresponding uplink receiving channel multi-path energy estimators and described cooperation cell corresponding uplink receiving channel multi-path energy Amount estimated value, determines whether described user terminal to be detected there occurs DTX, specially：

When the most powerful path energy estimators in described Serving cell corresponding uplink receiving channel multi-path energy estimators and Most powerful path energy estimators in the corresponding uplink receiving channel multi-path energy estimators in described cooperation cell be respectively less than be equal to pre- During gating limit value, determine that described user terminal to be detected there occurs DTX；Otherwise, it determines described user terminal to be detected is not sent out Raw DTX；Or

When the most powerful path energy estimators in described Serving cell corresponding uplink receiving channel multi-path energy estimators and Most powerful path energy estimators in the corresponding uplink receiving channel multi-path energy estimators in described cooperation cell are all higher than pre- gating During limit value, determine that described user terminal to be detected does not occur DTX；Otherwise, it determines described user terminal to be detected there occurs DTX；Or

Determine that described Serving cell corresponding uplink receiving channel multi-path energy estimators and described cooperation cell are corresponding The average energy estimated value of uplink receiving channel multi-path energy estimators, the most powerful path energy in the average energy estimated value determining When amount estimated value is less than or equal to predetermined threshold value, determine that described user terminal to be detected there occurs DTX；Otherwise, it determines described treat There is not DTX in detection user terminal.

The DTX detection means being provided according to first aspect, the DTX detection method that second aspect provides, compared to existing skill Art increased the detection of the reference signal of the user terminal to be detected receiving based on the antenna of cooperation cell, not only determines clothes Business cell corresponding uplink receiving channel multi-path energy estimators, further define cooperation cell corresponding uplink receiving channel multi-path Energy estimators, up connect according to Serving cell corresponding uplink receiving channel multi-path energy estimators and cooperation cell are corresponding Collection of letters road multipath energy estimated value carries out cascading judgement, determines whether user terminal to be detected there occurs DTX, therefore, compared to The reference signal that prior art is based only upon the user terminal to be detected that the antenna of Serving cell receives carries out the side of DTX detection Case, it is possible to increase the accuracy rate of DTX detection.

Brief description

Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for description, implements with the present invention Example is used for explaining the present invention together, is not construed as limiting the invention.In the accompanying drawings：

Fig. 1 is the structural representation of DTX detection means provided in an embodiment of the present invention；

Fig. 2 is the flow chart of DTX detection method provided in an embodiment of the present invention；

The flow chart of the DTX detection method that Fig. 3 provides for the embodiment of the present invention 1；

The flow chart of the DTX detection method that Fig. 4 provides for the embodiment of the present invention 2；

The flow chart of the DTX detection method that Fig. 5 provides for the embodiment of the present invention 3；

The flow chart of the DTX detection method that Fig. 6 provides for the embodiment of the present invention 4；

The flow chart of the DTX detection method that Fig. 7 provides for the embodiment of the present invention 5.

Specific embodiment

In order to provide the implementation improving DTX Detection accuracy, embodiments provide a kind of DTX detection means And method, below in conjunction with Figure of description, the preferred embodiments of the present invention are illustrated it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain the present invention, be not intended to limit the present invention.And in the case of not conflicting, the application In embodiment and the feature in embodiment can be mutually combined.

The embodiment of the present invention provides a kind of DTX detection means, and its structural representation is as shown in figure 1, specifically include：

First determining unit 101, the antenna of the Serving cell for being belonged to based on user terminal to be detected is received The reference signal of this user terminal to be detected, determines this Serving cell corresponding uplink receiving channel multi-path energy estimators；With And the reference signal of this user terminal to be detected that the antenna of the cooperation cell based on this Serving cell receives, determine this cooperation Cell corresponding uplink receiving channel multi-path energy estimators；

Second determining unit 102, for according to this Serving cell corresponding uplink receiving channel multi-path energy estimators and This cooperation cell corresponding uplink receiving channel multi-path energy estimators, determine whether this user terminal to be detected there occurs DTX.

It can be seen that, DTX detection means provided in an embodiment of the present invention, increased based on cooperation cell compared to prior art The detection of the reference signal of user terminal to be detected that antenna receives, according to the Serving cell corresponding uplink receiving letter determining Road multipath energy estimated value and cooperation cell corresponding uplink receiving channel multi-path energy estimators carry out cascading judgement, and determination is treated Whether detection user terminal there occurs DTX, therefore, it is possible to improve the accuracy rate of detection, reduces false-alarm probability and the missing inspection of DTX Probability.

Because the signal quality of the downlink of the user terminal positioned at Serving cell edge is not good, the up tune of missing inspection occurs The probability of degree information is larger, and therefore, compared to other user terminals, the user terminal positioned at Serving cell edge occurs DTX's Probability is of a relatively high.Meanwhile, also bad positioned at the signal quality of the up-link of the user terminal at Serving cell edge, lead to take When the reference signal of the user terminal that the base station of business cell is received based on serving cell antenna carries out DTX detection, DTX leakage occurs The probability of inspection and false-alarm also can raise accordingly.In sum, compared to other user terminals, positioned at the use at Serving cell edge The DTX Detection accuracy of family terminal is relatively low.

And, for not being located at the user terminal at Serving cell edge, the antenna of the cooperation cell of this Serving cell connects Receive mostly is interference noise.So, preferably, for avoiding the unnecessary occupancy of process resource, can be for little positioned at servicing The user terminal to be detected of area edge, is simultaneously based on Serving cell and cooperation cell carries out DTX detection；And for not being located at service The user terminal to be detected of cell edge, is based only upon Serving cell and carries out DTX detection.

It is therefore advantageous to, the first determining unit 101 can determine cooperation cell corresponding uplink receiving channel multi-path energy Before amount estimated value, judge whether user terminal to be detected is in the user terminal at Serving cell edge, the first determining unit 101 specifically for be in when this user terminal to be detected this Serving cell edge user terminal when, based on this Serving cell Cooperation cell the reference signal of this user terminal to be detected that receives of antenna, determine that this cooperation cell is corresponding and up connect Collection of letters road multipath energy estimated value.

Further, in order to improve the situation that user terminal to be detected is disturbed by other user terminals of cooperation cell, can To utilize interference cancellation techniques, the reference signal of the user terminal to be detected first antenna in cell being received is carried out at Interference Cancellation Reason, then cell corresponding uplink receiving channel multi-path energy estimators are determined based on the reference signal after interference-cancellation process.

I.e. the first determining unit 101, specifically for the antenna reception to the Serving cell that user terminal to be detected is belonged to To the reference signal of this user terminal to be detected carry out interference-cancellation process, based on the reference letter after this interference-cancellation process Number, determine this Serving cell corresponding uplink receiving channel multi-path energy estimators；Sky to the cooperation cell of this Serving cell The reference signal of this user terminal to be detected that line receives carries out interference-cancellation process, based on the ginseng after this interference-cancellation process Examine signal, determine this cooperation cell corresponding uplink receiving channel multi-path energy estimators.

Further, the first determining unit 101 specifically can be based on following formula, and user terminal to be detected is belonged to The reference signal of this user terminal to be detected that the antenna of Serving cell receives carries out interference-cancellation process：

$\begin{array}{cc}{\tilde{Y}}_{0,i,m,s}=Y_{0,i,m,s}-H_{1,0,i,m,s}^{\′}\·P_{1,m}& \begin{array}{c}i=0,1,\mathrm{..}K-1\\ m=0,1,\mathrm{2..}M-1\\ s=0,1\end{array}\end{array};$

Wherein, i is the antenna serial number of Serving cell, and K is the antenna amount of Serving cell；

M is subcarrier in frequency domain sequence number, and M is subcarrier in frequency domain quantity；

S is the reception timeslot number of reference signal；

Y_0,i,m,sFor on the i-th antenna of Serving cell, the user terminal to be detected that s time slot m received over subcarriers arrives Frequency domain reference signal；

It is the user terminal to be detected that s time slot m received over subcarriers arrives on the i-th antenna to Serving cell Frequency domain reference signal carry out the frequency domain reference signal after interference-cancellation process；

H′_1,0,i,m,sFor on the i-th antenna of Serving cell, based on the cooperation cell receiving on s time slot m subcarrier Interference user terminal reference signal frequency domain receive channel estimation value；

P_1,mReference signal for the interference user terminal of the corresponding cooperation cell of m subcarrier.

Further, the first determining unit 101 specifically can be based on following formula, to the cooperation cell of this Serving cell The reference signal of this user terminal to be detected that antenna receives carries out interference-cancellation process：

$\begin{array}{cc}{\tilde{Y}}_{1,j,m,s}=Y_{1,j,m,s}-H_{1,1,j,m,s}^{\′}\·P_{1,m}& \begin{array}{c}j=0,1,\mathrm{..}L-1\\ m=0,1,\mathrm{2..}M-1\\ s=0,1\end{array}\end{array};$

Wherein, j is the antenna serial number of cooperation cell, and L is the antenna amount of cooperation cell；

M is subcarrier in frequency domain sequence number, and M is subcarrier in frequency domain quantity；

S is the reception timeslot number of reference signal；

Y_1,j,m,sFor on the jth antenna of cooperation cell, the user terminal to be detected that s time slot m received over subcarriers arrives Frequency domain reference signal；

It is the user terminal to be detected that s time slot m received over subcarriers arrives on the jth antenna to cooperation cell Frequency domain reference signal carry out the frequency domain reference signal after interference-cancellation process；

H′_1,1,j,m,sFor on the jth antenna of cooperation cell, based on the cooperation cell receiving on s time slot m subcarrier Interference user terminal reference signal frequency domain receive channel estimation value；

P_1,mReference signal for the interference user terminal of the corresponding cooperation cell of m subcarrier.

Further, the second determining unit 102, specifically for when this Serving cell corresponding uplink receiving channel multi-path energy In most powerful path energy estimators and this cooperation cell corresponding uplink receiving channel multi-path energy estimators in amount estimated value Most powerful path energy estimators are respectively less than when being equal to predetermined threshold value, determine that this user terminal to be detected there occurs DTX；Otherwise, really There is not DTX in this user terminal to be detected fixed；Or

When the most powerful path energy estimators in this Serving cell corresponding uplink receiving channel multi-path energy estimators and should Most powerful path energy estimators in the corresponding uplink receiving channel multi-path energy estimators of cooperation cell are all higher than predetermined threshold value When, determine that this user terminal to be detected does not occur DTX；Otherwise, it determines this user terminal to be detected there occurs DTX；Or

Determine that this Serving cell corresponding uplink receiving channel multi-path energy estimators and this cooperation cell are corresponding up Receive the average energy estimated value of channel multi-path energy estimators, when the most powerful path energy in the average energy estimated value determining is estimated When evaluation is less than or equal to predetermined threshold value, determine that this user terminal to be detected there occurs DTX；Otherwise, it determines this user to be detected There is not DTX in terminal.

The function of above-mentioned each unit may correspond to the respective handling step in the arbitrary shown flow process of following Fig. 2-Fig. 6.

The embodiment of the present invention provides a kind of DTX detection method, as shown in Fig. 2 specifically including following steps：

This user to be detected that step 201, the antenna of the Serving cell being belonged to based on user terminal to be detected are received The reference signal of terminal, determines this Serving cell corresponding uplink receiving channel multi-path energy estimators；And it is based on this service The reference signal of this user terminal to be detected that the antenna of the cooperation cell of cell receives, determine that this cooperation cell is corresponding on Row receives channel multi-path energy estimators；

Step 202, according to this Serving cell corresponding uplink receiving channel multi-path energy estimators and this cooperation cell pair The uplink receiving channel multi-path energy estimators answered, determine whether this user terminal to be detected there occurs DTX.

Preferably, can judge to be detected before step 201 determines cooperation cell corresponding uplink receiving channel multi-path Whether user terminal is in the user terminal at Serving cell edge, when user terminal to be detected is in Serving cell edge During user terminal, the reference signal of the user terminal to be detected that the antenna of the cooperation cell based on this Serving cell receives, really This cooperation cell fixed corresponding uplink receiving channel multi-path energy estimators.

Preferably, determining Serving cell corresponding uplink receiving channel multi-path energy estimators in step 201, specifically permissible For：The reference signal of the user terminal to be detected that the antenna of the Serving cell that user terminal to be detected is belonged to is received is carried out Interference-cancellation process, based on the reference signal after this interference-cancellation process, determines that Serving cell corresponding uplink receiving channel is many Footpath energy estimators.

Further, following formula can be based on, the antenna of the Serving cell that user terminal to be detected is belonged to is received To the reference signal of this user terminal to be detected carry out interference-cancellation process：

$\begin{array}{cc}{\tilde{Y}}_{0,i,m,s}=Y_{0,i,m,s}-H_{1,0,i,m,s}^{\′}\·P_{1,m}& \begin{array}{c}i=0,1,\mathrm{..}K-1\\ m=0,1,\mathrm{2..}M-1\\ s=0,1\end{array}\end{array};$

Wherein, i is the antenna serial number of Serving cell, and K is the antenna amount of Serving cell；

M is subcarrier in frequency domain sequence number, and M is subcarrier in frequency domain quantity；

S is the reception timeslot number of reference signal；

Y_0,i,m,sFor on the i-th antenna of Serving cell, the user terminal to be detected that s time slot m received over subcarriers arrives Frequency domain reference signal；

It is the user terminal to be detected that s time slot m received over subcarriers arrives on the i-th antenna to Serving cell Frequency domain reference signal carry out the frequency domain reference signal after interference-cancellation process；

H′_1,0,i,m,sFor on the i-th antenna of Serving cell, based on the cooperation cell receiving on s time slot m subcarrier Interference user terminal reference signal frequency domain receive channel estimation value；

P_1,mReference signal for the interference user terminal of the corresponding cooperation cell of m subcarrier.

Preferably, determining cooperation cell corresponding uplink receiving channel multi-path energy estimators in step 201, specifically permissible For：The reference signal of the user terminal to be detected that the antenna of the cooperation cell of Serving cell is received is carried out at Interference Cancellation Reason, based on the reference signal after this interference-cancellation process, determines cooperation cell corresponding uplink receiving channel multi-path Energy Estimation Value.

Further, following formula can be based on, this that the antenna of the cooperation cell of this Serving cell is received is to be checked The reference signal surveying user terminal carries out interference-cancellation process：

$\begin{array}{cc}{\tilde{Y}}_{1,j,m,s}=Y_{1,j,m,s}-H_{1,1,j,m,s}^{\′}\·P_{1,m}& \begin{array}{c}j=0,1,\mathrm{..}L-1\\ m=0,1,\mathrm{2..}M-1\\ s=0,1\end{array}\end{array};$

Wherein, j is the antenna serial number of cooperation cell, and L is the antenna amount of cooperation cell；

M is subcarrier in frequency domain sequence number, and M is subcarrier in frequency domain quantity；

S is the reception timeslot number of reference signal；

Y_1,j,m,sFor on the jth antenna of cooperation cell, the user terminal to be detected that s time slot m received over subcarriers arrives Frequency domain reference signal；

It is the user terminal to be detected that s time slot m received over subcarriers arrives on the jth antenna to cooperation cell Frequency domain reference signal carry out the frequency domain reference signal after interference-cancellation process；

H′_1,1,j,m,sFor on the jth antenna of cooperation cell, based on the cooperation cell receiving on s time slot m subcarrier Interference user terminal reference signal frequency domain receive channel estimation value；

P_1,mReference signal for the interference user terminal of the corresponding cooperation cell of m subcarrier.

Below in conjunction with the accompanying drawings, with specific embodiment, the DTX detection method that the present invention provides is described in detail.

Embodiment 1：

Fig. 3 show the DTX detection method flow chart of the embodiment of the present invention 1 offer, specifically includes：

Step 301, judge whether user terminal to be detected is in the user terminal at Serving cell edge.

When user terminal to be detected is not located at the user terminal at Serving cell edge, enter step 302；When to be detected When user terminal is in the user terminal at Serving cell edge, enter step 304.

The user to be detected that step 302, the antenna of the Serving cell being belonged to based on user terminal to be detected are received is eventually The reference signal at end, determines Serving cell corresponding uplink receiving channel multi-path energy estimators.

Step 303, according to Serving cell corresponding uplink receiving channel multi-path energy estimators, judge user to be detected eventually Whether end there occurs DTX, is specifically as follows：

When the most powerful path energy estimators in Serving cell corresponding uplink receiving channel multi-path energy estimators be less than etc. When predetermined threshold value, determine that user terminal to be detected there occurs DTX；Otherwise, it determines user terminal to be detected does not occur DTX.

This DTX testing process terminates.

The user to be detected that step 304, the antenna of the Serving cell being belonged to based on user terminal to be detected are received is eventually The reference signal at end, determines Serving cell corresponding uplink receiving channel multi-path energy estimators；And based on Serving cell The reference signal of the user terminal to be detected that the antenna of cooperation cell receives, determines cooperation cell corresponding uplink receiving channel Multipath energy estimated value.

Step 305, corresponding according to Serving cell corresponding uplink receiving channel multi-path energy estimators and cooperation cell Uplink receiving channel multi-path energy estimators, judge whether user terminal to be detected there occurs DTX, are specifically as follows：

When the most powerful path energy estimators in Serving cell corresponding uplink receiving channel multi-path energy estimators and cooperation Most powerful path energy estimators in cell corresponding uplink receiving channel multi-path energy estimators are respectively less than and are equal to predetermined threshold value When, determine that user terminal to be detected there occurs DTX；Otherwise, it determines there is not DTX in user terminal to be detected；Or

When the most powerful path energy estimators in Serving cell corresponding uplink receiving channel multi-path energy estimators and cooperation When most powerful path energy estimators in cell corresponding uplink receiving channel multi-path energy estimators are all higher than predetermined threshold value, really There is not DTX in fixed user terminal to be detected；Otherwise, it determines user terminal to be detected there occurs DTX；Or

Determine Serving cell corresponding uplink receiving channel multi-path energy estimators and the corresponding uplink receiving in cooperation cell The average energy estimated value of channel multi-path energy estimators, the most powerful path energy estimators in the average energy estimated value determining During less than or equal to predetermined threshold value, determine that user terminal to be detected there occurs DTX；Otherwise, it determines user terminal to be detected does not have There is DTX.

This DTX testing process terminates.

It can be seen that, the DTX detection method that the embodiment of the present invention 1 provides, for the user to be detected positioned at Serving cell edge Terminal, the reference signal being simultaneously based on the user terminal to be detected that the antenna of Serving cell and cooperation cell receives is examined Survey, improve the accuracy rate of DTX detection；For the user terminal to be detected not being located at Serving cell edge, still adopt existing skill DTX detection scheme in art, the reference signal being based only upon the user terminal to be detected that the antenna of Serving cell receives is examined Survey, saved process resource.

The embodiment of the present invention 2 additionally provides a kind of process variant of the DTX detection method that above-described embodiment 1 provides.

Embodiment 2：

Fig. 4 show the DTX detection method flow chart of the embodiment of the present invention 2 offer, specifically includes：

The user to be detected that step 401, the antenna of the Serving cell being belonged to based on user terminal to be detected are received is eventually The reference signal at end, determines Serving cell corresponding uplink receiving channel multi-path energy estimators.

Step 402, judge whether user terminal to be detected is in the user terminal at Serving cell edge.

When user terminal to be detected is not located at the user terminal at Serving cell edge, enter step 403；When to be detected When user terminal is in the user terminal at Serving cell edge, enter step 404.

Step 403, according to Serving cell corresponding uplink receiving channel multi-path energy estimators, judge user to be detected eventually Whether end there occurs DTX, and this DTX testing process terminates.

Concrete judgment mode refers to step 303 in above-described embodiment 1, will not be described here.

The reference signal of the user terminal to be detected that step 404, the antenna of cooperation cell based on Serving cell receive, Determine cooperation cell corresponding uplink receiving channel multi-path energy estimators.

Step 405, corresponding according to Serving cell corresponding uplink receiving channel multi-path energy estimators and cooperation cell Uplink receiving channel multi-path energy estimators, judge whether user terminal to be detected there occurs DTX, and this DTX testing process is tied Bundle.

Concrete judgment mode refers to step 305 in above-described embodiment 1, will not be described here.

Embodiment 3：

Fig. 5 show the DTX detection method flow chart of the embodiment of the present invention 3 offer, specifically includes：

Step 501, judge whether user terminal to be detected is in the user terminal at Serving cell edge.

When user terminal to be detected is not located at the user terminal at Serving cell edge, enter step 502；When to be detected When user terminal is in the user terminal at Serving cell edge, enter step 504.

The user to be detected that step 502, the antenna of the Serving cell being belonged to based on user terminal to be detected are received is eventually The reference signal at end, determines Serving cell corresponding uplink receiving channel multi-path energy estimators.

Step 503, the Serving cell corresponding uplink receiving channel multi-path energy estimators being determined according to step 502, sentence Whether the user terminal to be detected that breaks there occurs DTX, and this DTX testing process terminates.

Specifically judgment mode can be：

When the most powerful path energy estimators in Serving cell corresponding uplink receiving channel multi-path energy estimators be less than etc. When predetermined threshold value, determine that user terminal to be detected there occurs DTX；When Serving cell corresponding uplink receiving channel multi-path energy When most powerful path energy estimators in amount estimated value are more than predetermined threshold value, determine that user terminal to be detected does not occur DTX.

The user terminal to be detected that step 504, the antenna to the Serving cell that user terminal to be detected is belonged to receive Reference signal carry out interference-cancellation process.

Step 505, based on the reference signal after step 504 interference-cancellation process, determine that Serving cell is corresponding and up connect Collection of letters road multipath energy estimated value.

The reference signal of the user terminal to be detected that step 506, the antenna to the cooperation cell of Serving cell receive is entered Row interference-cancellation process.

Step 507, based on the reference signal after step 506 interference-cancellation process, determine that cooperation cell is corresponding and up connect Collection of letters road multipath energy estimated value.

Above-mentioned steps 504-505 and step 506-507, do not have the priority execution sequence of certainty；Another reality in the present invention Apply it is also possible to first carry out step 506-507 in example, rear execution step 504-505；In another embodiment of the invention, also may be used With execution step 506-507 while execution step 504-505.

Step 508, the Serving cell corresponding uplink receiving channel multi-path energy estimators according to step 505 determination and step The cooperation cell corresponding uplink receiving channel multi-path energy estimators of rapid 507 determinations, judge whether user terminal to be detected is sent out Give birth to DTX, this DTX testing process terminates.

Concrete judgment mode can have many kinds, for example：

Mode one：Most powerful path energy estimators in Serving cell corresponding uplink receiving channel multi-path energy estimators It is respectively less than to be equal to the most powerful path energy estimators in the corresponding uplink receiving channel multi-path energy estimators of cooperation cell and preset During threshold value, determine that user terminal to be detected there occurs DTX；Otherwise, when Serving cell corresponding uplink receiving channel multi-path energy In most powerful path energy estimators and cooperation cell corresponding uplink receiving channel multi-path energy estimators in amount estimated value When strong footpath energy estimators are not respectively less than to be equal to predetermined threshold value, determine that user terminal to be detected does not occur DTX；

Mode two：Most powerful path energy estimators in Serving cell corresponding uplink receiving channel multi-path energy estimators It is all higher than pre-determined threshold with the most powerful path energy estimators in the corresponding uplink receiving channel multi-path energy estimators of cooperation cell During value, determine that user terminal to be detected does not occur DTX；Otherwise, when Serving cell corresponding uplink receiving channel multi-path energy The strongest in most powerful path energy estimators in estimated value and cooperation cell corresponding uplink receiving channel multi-path energy estimators When footpath energy estimators are not to be all higher than predetermined threshold value, determine that user terminal to be detected there occurs DTX；

Mode three：Determine Serving cell corresponding uplink receiving channel multi-path energy estimators and cooperation cell corresponding on Row receives the average energy estimated value of channel multi-path energy estimators, the most powerful path energy in the average energy estimated value determining When estimated value is less than or equal to predetermined threshold value, determine that user terminal to be detected there occurs DTX；Otherwise, when the average energy determining When most powerful path energy estimators in estimated value are more than predetermined threshold value, determine that user terminal to be detected does not occur DTX.

Above-mentioned three kinds of judgment modes are merely illustrative, are not intended to limit the present invention.In other embodiments of the invention, Alternate manner can be based on, for example, be based on most powerful path energy estimators in uplink receiving channel multi-path energy estimators the strongest with secondary Footpath energy estimators judge whether user terminal to be detected there occurs DTX.

It can be seen that, the DTX detection method that the embodiment of the present invention 3 provides, provide compared to above-described embodiment 1 and embodiment 2 DTX detection method, the reference signal of the user terminal to be detected first antenna of Serving cell and cooperation cell being received is respectively Carry out interference-cancellation process, then based on the reference signal after interference-cancellation process, determined that uplink receiving channel multi-path energy is estimated Evaluation, can improve the accuracy rate of DTX detection further.

In other embodiments of the invention, it is also possible to sky only to Serving cell in the case that disposal ability is limited The reference signal of the user terminal to be detected that line receives carries out interference-cancellation process, or only cooperation cell antenna is received The reference signal of user terminal to be detected carry out interference-cancellation process.Because cooperation cell antenna receives user to be detected eventually The interference that the reference signal at end is subject to can be relatively large, therefore, in the case that disposal ability is limited, can be with prioritizing selection to association The reference signal making the user terminal to be detected that the antenna of cell receives carries out interference-cancellation process.

Below taking LTE system as a example, DTX detection method provided in an embodiment of the present invention is illustrated.

Embodiment 4：

In the DTX detection method being applied to LTE system that the embodiment of the present invention 4 provides, reference signal is specially reference Pilot signal.

Fig. 6 show the DTX detection method flow chart of the embodiment of the present invention 4 offer, specifically includes：

Step 601, judge whether user terminal to be detected is in the user terminal at Serving cell edge.

When user terminal to be detected is not located at the user terminal at Serving cell edge, enter step 602；When to be detected When user terminal is in the user terminal at Serving cell edge, enter step 606.

The use to be detected that step 602, multiple antennas of the Serving cell being belonged to based on user terminal to be detected are received The reference pilot signal of family terminal, carries out channel estimation respectively, obtains multiple channel estimation values.

The meansigma methodss of multiple channel estimation values that step 603, calculation procedure 602 obtain, obtain the first uplink receiving channel Multipath energy estimated value.

This first uplink receiving channel multi-path energy estimators, the multiple antennas being as directly based upon Serving cell receive The corresponding uplink receiving channel multi-path energy estimators of Serving cell determined by the reference pilot of user terminal to be detected.

Step 604, the most powerful path energy estimators determining in the first uplink receiving channel multi-path energy estimators.

Most powerful path energy estimators are the maximum in uplink receiving channel multi-path energy estimators.

Step 605, according to the most powerful path energy estimators in this first uplink receiving channel multi-path energy estimators, judge Whether user terminal to be detected there occurs DTX, and this DTX testing process terminates.

When the most powerful path energy estimators in this first uplink receiving channel multi-path energy estimators are less than or equal to pre- gating During limit value, determine that this user terminal to be detected there occurs DTX；Otherwise, when this first uplink receiving channel multi-path energy estimators In most powerful path energy estimators be more than predetermined threshold value when, determine that this user terminal to be detected does not occur DTX.

It is directed to the user terminal to be detected not being located at Serving cell edge in LTE system, still adopt existing DTX detection Scheme, will not be described in detail herein.

The user to be detected that step 606, the multiple antennas to the Serving cell that user terminal to be detected is belonged to receive The reference pilot signal of terminal carries out pilot cancellation process respectively.

The various pilot cancellation processing schemes of prior art when being embodied as, can be adopted, it would however also be possible to employ this The interference-cancellation process scheme based on following formula that bright embodiment provides：

$\begin{array}{cc}{\tilde{Y}}_{0,i,m,s}=Y_{0,i,m,s}-H_{1,0,i,m,s}^{\′}\·P_{1,m}=H_{0,0,i,m,s}\·P_{0,m}+{\mathrm{\ΔH}}_{1,0,i,m,s}\·P_{1,m}+n_{0,i,m,s}& \begin{array}{c}i=0,1,\mathrm{..}K-1\\ m=0,1,\mathrm{2..}M-1\\ s=0,1\end{array}\end{array};$

Wherein, i is the antenna serial number of Serving cell, and K is the antenna amount of Serving cell；

M is subcarrier in frequency domain sequence number, and M is subcarrier in frequency domain quantity；

S is the reception timeslot number of reference pilot signal；

Y_0,i,m,sFor on the i-th antenna of Serving cell, the user terminal to be detected that s time slot m received over subcarriers arrives Frequency domain reference pilot signal；

It is the user terminal to be detected that s time slot m received over subcarriers arrives on the i-th antenna to Serving cell Frequency domain reference pilot signal carry out interference-cancellation process after frequency domain reference pilot signal；

H′_1,0,i,m,sFor on the i-th antenna of Serving cell, based on the cooperation cell receiving on s time slot m subcarrier Interference user terminal reference pilot signal frequency domain receive channel estimation value；

P_1,mReference pilot signal for the interference user terminal of the corresponding cooperation cell of m subcarrier；

H_0,0,i,m,sFor on the i-th antenna of Serving cell, the user terminal to be detected that s time slot m received over subcarriers arrives Frequency domain receive channel conversion value；

P_0,mReference pilot signal for the corresponding user terminal to be detected of m subcarrier；

ΔH_1,0,i,m,sDry for cooperation cell that on the i-th antenna of Serving cell, s time slot m received over subcarriers arrives The frequency domain disturbing user terminal receives channel estimation errors value；

n_0,i,m,sFor the Gaussian noise amount on the i-th antenna of Serving cell, on s time slot m subcarrier.

Δ H if perfect channel estimation, in above-mentioned formula_1,0,i,m,sFor 0, after Interference Cancellation, Serving cell many It is completely absent the interference user terminal of cooperation cell in the reference pilot signal of user terminal to be detected that individual antenna receives Reference pilot signal interference, that is,：

For, on the i-th antenna of Serving cell, the reference pilot after the corresponding pilot cancellation of s time slot is processed is believed Number.

Step 607, the multiple reference pilot signal carrying out after pilot cancellation process being obtained based on step 606, point Do not carry out channel estimation, obtain multiple channel estimation values.

Specifically channel estimation method can be：

Wherein,Conjugation for the reference pilot signal sequence of user terminal to be detected Sequence；

h_0,i,s,nFor on the i-th antenna of Serving cell, the channel estimation value of the corresponding reference pilot signal of s time slot, that is, Channel estimation value after N point IFFT change, the value of N depends on the resolution of channel estimation.

The meansigma methodss of multiple channel estimation values that step 608, calculation procedure 607 obtain, obtain the second uplink receiving channel Multipath energy estimated value.

This second uplink receiving channel multi-path energy estimators, as based on the reference carrying out after pilot cancellation process The Serving cell corresponding uplink receiving channel multi-path energy estimators that pilot signal determines.

Specifically average algorithm can be：

$\begin{array}{cc}{\mathrm{\η}}_{0,s,n}=\frac{1}{K}\underset{i=0}{\overset{K-1}{\Σ}}\frac{|h_{0,i,s,n}{|}^2}{{{\mathrm{\σ}}^2}_{0,i,s}}& \begin{array}{c}s=0,1\\ n=0,1,\mathrm{..}N-1\end{array}\end{array};$

$\begin{array}{cc}{\stackrel{\‾}{\mathrm{\η}}}_{0,n}=\frac{1}{2}({\mathrm{\η}}_{0,0,n}+{\mathrm{\η}}_{0,1,n})& n=0,1,\mathrm{2...}N-1\end{array};$

Wherein, σ² _0,i,sFor the average noise power on Serving cell i-th antenna, on s time slot；

η_0,s,nFor Serving cell s time slot corresponding uplink receiving channel multi-path energy estimators, i.e. average channel power Spectrum；

For Serving cell corresponding uplink receiving channel multi-path energy estimators.

In this step 608,It is the second uplink receiving channel multi-path energy estimators.

Step 609, the most powerful path energy estimators determining in the second uplink receiving channel multi-path energy estimators.

Step 610, judge whether the most powerful path energy estimators in the second uplink receiving channel multi-path energy estimators are big In predetermined threshold value.

The reference of the user terminal to be detected that step 611, the multiple antennas to the cooperation cell of Serving cell receive is led Frequency signal carries out pilot cancellation process respectively.

The various pilot cancellation processing schemes of prior art when being embodied as, can be adopted, it would however also be possible to employ this The interference-cancellation process scheme based on following formula that bright embodiment provides：

$\begin{array}{cc}{\tilde{Y}}_{1,j,m,s}=Y_{1,j,m,s}-H_{1,1,j,m,s}^{\′}\·P_{1,m}=H_{0,1,j,m,s}\·P_{0,m}+{\mathrm{\ΔH}}_{1,1,j,m,s}\·P_{1,m}+n_{1,j,m,s}& \begin{array}{c}j=0,1,\mathrm{..}L-1\\ m=0,1,\mathrm{2..}M-1\\ s=0,1\end{array}\end{array};$

Wherein, j is the antenna serial number of cooperation cell, and L is the antenna amount of cooperation cell；

Y_1,j,m,sFor on the jth antenna of cooperation cell, the user terminal to be detected that s time slot m received over subcarriers arrives Frequency domain reference pilot signal；

It is the user terminal to be detected that s time slot m received over subcarriers arrives on the jth antenna to cooperation cell Frequency domain reference pilot signal carry out interference-cancellation process after frequency domain reference pilot signal；

H′_1,1,j,m,sFor on the jth antenna of cooperation cell, based on the cooperation cell receiving on s time slot m subcarrier Interference user terminal reference pilot signal frequency domain receive channel estimation value；

H_0,1,j,m,sFor on the jth antenna of cooperation cell, the user terminal to be detected that s time slot m received over subcarriers arrives Frequency domain receive channel conversion value；

ΔH_1,1,j,m,sDry for cooperation cell that on the jth antenna of cooperation cell, s time slot m received over subcarriers arrives The frequency domain disturbing user terminal receives channel estimation errors value；

n_1,j,m,sFor the Gaussian noise amount on the jth antenna of cooperation cell, on s time slot m subcarrier.

Δ H if perfect channel estimation, in above-mentioned formula_1,1,j,m,sFor 0, after Interference Cancellation, cooperation cell many It is completely absent the interference user terminal of cooperation cell in the reference pilot signal of user terminal to be detected that individual antenna receives Reference pilot signal interference, that is,：

For on the jth antenna of cooperation cell, s time slot is corresponding to carry out the reference after pilot cancellation process and leads Frequency signal.

Step 612, the multiple reference pilot signal carrying out after pilot cancellation process being obtained based on step 611, point Do not carry out channel estimation, obtain multiple channel estimation values.

Specifically channel estimation method can be：

Wherein, h_1,j,s,nFor on the jth antenna of cooperation cell, the channel estimation of the corresponding reference pilot signal of s time slot Value.

The meansigma methodss of multiple channel estimation values that step 613, calculation procedure 612 obtain, obtain the 3rd uplink receiving channel Multipath energy estimated value.

3rd uplink receiving channel multi-path energy estimators, as based on the reference carrying out after pilot cancellation process The cooperation cell corresponding uplink receiving channel multi-path energy estimators that pilot signal determines.

Specifically average algorithm can be：

$\begin{array}{cc}{\mathrm{\η}}_{1,s,n}=\frac{1}{L}\underset{j=0}{\overset{K-1}{\Σ}}\frac{|h_{1,j,s,n}{|}^2}{{{\mathrm{\σ}}^2}_{1,j,s}}& \begin{array}{c}s=0,1\\ n=0,1,\mathrm{..}N-1\end{array}\end{array};$

$\begin{array}{cc}{\stackrel{\‾}{\mathrm{\η}}}_{1,n}=\frac{1}{2}({\mathrm{\η}}_{1,0,n}+{\mathrm{\η}}_{1,1,n})& n=0,1,\mathrm{2...}N-1\end{array};$

Wherein, σ² _1,j,sFor the average noise power on the jth antenna of cooperation cell, on s time slot；

η_1,s,nFor cooperation cell s time slot corresponding uplink receiving channel multi-path energy estimators, i.e. average channel power Spectrum；

For cooperation cell corresponding uplink receiving channel multi-path energy estimators.

In this step 613,It is the 3rd uplink receiving channel multi-path energy estimators.

Step 614, the most powerful path energy estimators determining in the 3rd uplink receiving channel multi-path energy estimators.

Step 615, judge whether the most powerful path energy estimators in the 3rd uplink receiving channel multi-path energy estimators are big In predetermined threshold value.

Above-mentioned steps 606-610 and step 611-615, do not have the priority execution sequence of certainty；Another reality in the present invention Apply it is also possible to first carry out step 611-615 in example, rear execution step 606-610；In another embodiment of the invention, also may be used With execution step 611-615 while execution step 606-610.

The judged result of step 616, the judged result according to step 601 and step 615, carries out cascading judgement, and determination is treated Whether detection user terminal there occurs DTX, and this DTX testing process terminates.

In the embodiment of the present invention 4, decision rule is redefined for：

When the most powerful path energy estimators in the second uplink receiving channel multi-path energy estimators and the 3rd uplink receiving letter When most powerful path energy estimators in road multipath energy estimated value are no more than predetermined threshold value, determine that user terminal to be detected is sent out Give birth to DTX；Otherwise, it determines there is not DTX in user terminal to be detected.

It can be seen that, DTX detection method provided in an embodiment of the present invention is applied in LTE system, compared to prior art, energy Enough improve the DTX Detection accuracy to user terminal for the base station in service sector, improve DTX detection performance.

When being embodied as, the executive agent of each step of above-mentioned DTX detection can be base station in service sector, cooperation cell Base station reports parameter Y needed for execution step 611 to base station in service sector_1,j,m,s、H′_1,1,j,m,sAnd P_1,m?.Pass for saving Defeated bandwidth, cooperation cell base station directly can also report parameter H ' to base station in service sector_1,1,j,m,sAnd P_1,mProduct.

Step 611 can also be executed by cooperation cell base station, and cooperation cell base station reports step 611 to base station in service sector Result.

The method that above-described embodiment 4 uses Serving cell and cooperation cell independent detection, cascading judgement, in the present invention In embodiment 5, the method detecting can also be merged using Serving cell and cooperation cell.

Embodiment 5：

Fig. 7 show the DTX detection method flow chart of the embodiment of the present invention 5 offer, specifically includes：

Step 701-708, with step 601-608 in above-described embodiment 4.

Step 709-711, with step 611-613 in above-described embodiment 4.

In above-mentioned steps, step 706-708 and step 611-613, there is no the priority execution sequence of certainty yet.

Step 712, calculating the second uplink receiving channel multi-path energy estimators and the 3rd uplink receiving channel multi-path energy The average energy estimated value of estimated value.

During concrete calculating, weighted average value-based algorithm, the second uplink receiving channel multi-path energy estimators and the 3rd can be adopted The corresponding weighted value of uplink receiving channel multi-path energy estimators can set identical it is also possible to according to signal-to-noise ratio settings weighted value Differ.

Step 713, the most powerful path energy estimators determining in the average energy estimated value obtaining.

Most powerful path energy estimators in the average energy estimated value that step 714, basis obtain, determine user to be detected eventually Whether end there occurs DTX, and this DTX testing process terminates.

When the most powerful path energy estimators in the average energy estimated value obtaining are less than or equal to predetermined threshold value, determining should User terminal to be detected there occurs DTX；Otherwise, when the most powerful path energy estimators in the average energy estimated value obtaining are more than in advance During gating limit value, determine that this user terminal to be detected does not occur DTX.

In sum, using DTX detection scheme provided in an embodiment of the present invention, it is possible to increase DTX Detection accuracy.

Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program Product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or the reality combining software and hardware aspect Apply the form of example.And, the present invention can be using in one or more computers wherein including computer usable program code The upper computer program implemented of usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) produces The form of product.

The present invention is the flow process with reference to method according to embodiments of the present invention, equipment (system) and computer program Figure and/or block diagram are describing.It should be understood that can be by each stream in computer program instructions flowchart and/or block diagram Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided The processor instructing general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device is to produce A raw machine is so that produced for reality by the instruction of computer or the computing device of other programmable data processing device The device of the function of specifying in present one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.

These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing device with spy Determine in the computer-readable memory that mode works so that the instruction generation inclusion being stored in this computer-readable memory refers to Make the manufacture of device, this command device realize in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or The function of specifying in multiple square frames.

These computer program instructions also can be loaded in computer or other programmable data processing device so that counting On calculation machine or other programmable devices, execution series of operation steps to be to produce computer implemented process, thus in computer or On other programmable devices, the instruction of execution is provided for realizing in one flow process of flow chart or multiple flow process and/or block diagram one The step of the function of specifying in individual square frame or multiple square frame.

Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to including excellent Select embodiment and fall into being had altered and changing of the scope of the invention.

Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the embodiment of the present invention The spirit and scope of bright embodiment.So, if these modifications of the embodiment of the present invention and modification belong to the claims in the present invention And its within the scope of equivalent technologies, then the present invention is also intended to comprise these changes and modification.

Claims (10)

1. a kind of discontinuous transmission DTX detection means is it is characterised in that include：

First determining unit, it is described to be checked that the antenna of the Serving cell for being belonged to based on user terminal to be detected is received Survey the reference signal of user terminal, determine described Serving cell corresponding uplink receiving channel multi-path energy estimators；And base The reference signal of the user terminal described to be detected receiving in the antenna of the cooperation cell of described Serving cell, determines described association Make cell corresponding uplink receiving channel multi-path energy estimators；

Second determining unit, for according to described Serving cell corresponding uplink receiving channel multi-path energy estimators and described association Make cell corresponding uplink receiving channel multi-path energy estimators, determine whether described user terminal to be detected there occurs DTX.

2. device as claimed in claim 1 is it is characterised in that described first determining unit, specifically for when described to be detected When user terminal is in the user terminal at described Serving cell edge, the antenna of the cooperation cell based on described Serving cell connects The reference signal of the user terminal described to be detected receiving, determines described cooperation cell corresponding uplink receiving channel multi-path energy Estimated value.

3. device as claimed in claim 1 or 2 is it is characterised in that described first determining unit, specifically for described service The reference signal of the user terminal described to be detected that the antenna of the cooperation cell of cell receives carries out interference-cancellation process, is based on Reference signal after this interference-cancellation process, determines described cooperation cell corresponding uplink receiving channel multi-path energy estimators.

4. device as claimed in claim 1 or 2 is it is characterised in that described first determining unit, specifically for use to be detected The reference signal of the user terminal described to be detected that the antenna of the Serving cell that family terminal is belonged to receives carries out Interference Cancellation Process, based on the reference signal after this interference-cancellation process, determine described Serving cell corresponding uplink receiving channel multi-path energy Amount estimated value.

5. device as claimed in claim 1 or 2 is it is characterised in that described second determining unit, specifically for when described service Most powerful path energy estimators in cell corresponding uplink receiving channel multi-path energy estimators and described cooperation cell are corresponding Most powerful path energy estimators in uplink receiving channel multi-path energy estimators are respectively less than when being equal to predetermined threshold value, determine described User terminal to be detected there occurs DTX；Otherwise, it determines there is not DTX in described user terminal to be detected；Or

When most powerful path energy estimators in described Serving cell corresponding uplink receiving channel multi-path energy estimators and described Most powerful path energy estimators in the corresponding uplink receiving channel multi-path energy estimators of cooperation cell are all higher than predetermined threshold value When, determine that described user terminal to be detected does not occur DTX；Otherwise, it determines described user terminal to be detected there occurs DTX；Or Person

Determine that described Serving cell corresponding uplink receiving channel multi-path energy estimators and described cooperation cell are corresponding up Receive the average energy estimated value of channel multi-path energy estimators, when the most powerful path energy in the average energy estimated value determining is estimated When evaluation is less than or equal to predetermined threshold value, determine that described user terminal to be detected there occurs DTX；Otherwise, it determines it is described to be detected There is not DTX in user terminal.

6. a kind of discontinuous transmission DTX detection method is it is characterised in that include：

The reference of the user terminal described to be detected that the antenna of the Serving cell being belonged to based on user terminal to be detected is received Signal, determines described Serving cell corresponding uplink receiving channel multi-path energy estimators；And based on described Serving cell The reference signal of the user terminal described to be detected that the antenna of cooperation cell receives, determines that described cooperation cell is corresponding up Receive channel multi-path energy estimators；

Corresponding up according to described Serving cell corresponding uplink receiving channel multi-path energy estimators and described cooperation cell Receive channel multi-path energy estimators, determine whether described user terminal to be detected there occurs DTX.

7. method as claimed in claim 6 is it is characterised in that the antenna of cooperation cell based on described Serving cell receives User terminal described to be detected reference signal, determine described cooperation cell corresponding uplink receiving channel multi-path Energy Estimation Value, specially：

When described user terminal to be detected is in the user terminal at described Serving cell edge, based on described Serving cell The reference signal of the user terminal described to be detected that the antenna of cooperation cell receives, determines that described cooperation cell is corresponding up Receive channel multi-path energy estimators.

8. method as claimed in claims 6 or 7 is it is characterised in that the antenna of cooperation cell based on described Serving cell connects The reference signal of the user terminal described to be detected receiving, determines described cooperation cell corresponding uplink receiving channel multi-path energy Estimated value, specially：

The reference signal of the user terminal described to be detected that the antenna of the cooperation cell of described Serving cell is received is done Disturb counteracting to process, based on the reference signal after this interference-cancellation process, determine described cooperation cell corresponding uplink receiving channel Multipath energy estimated value.

9. method as claimed in claims 6 or 7 is it is characterised in that the Serving cell that belonged to based on user terminal to be detected The reference signal of user terminal described to be detected that receives of antenna, determine described Serving cell corresponding uplink receiving channel Multipath energy estimated value, specially：

The reference letter of the user terminal described to be detected that the antenna of the Serving cell that user terminal to be detected is belonged to is received Number carry out interference-cancellation process, based on the reference signal after this interference-cancellation process, determine that described Serving cell is corresponding up Receive channel multi-path energy estimators.

10. method as claimed in claims 6 or 7 is it is characterised in that according to described Serving cell corresponding uplink receiving channel Multipath energy estimated value and described cooperation cell corresponding uplink receiving channel multi-path energy estimators, determine described use to be detected Whether family terminal there occurs DTX, specially：

When most powerful path energy estimators in described Serving cell corresponding uplink receiving channel multi-path energy estimators and described Most powerful path energy estimators in the corresponding uplink receiving channel multi-path energy estimators of cooperation cell are respectively less than and are equal to pre- gating During limit value, determine that described user terminal to be detected there occurs DTX；Otherwise, it determines described user terminal to be detected does not occur DTX；Or

When most powerful path energy estimators in described Serving cell corresponding uplink receiving channel multi-path energy estimators and described Most powerful path energy estimators in the corresponding uplink receiving channel multi-path energy estimators of cooperation cell are all higher than predetermined threshold value When, determine that described user terminal to be detected does not occur DTX；Otherwise, it determines described user terminal to be detected there occurs DTX；Or Person

Determine that described Serving cell corresponding uplink receiving channel multi-path energy estimators and described cooperation cell are corresponding up Receive the average energy estimated value of channel multi-path energy estimators, when the most powerful path energy in the average energy estimated value determining is estimated When evaluation is less than or equal to predetermined threshold value, determine that described user terminal to be detected there occurs DTX；Otherwise, it determines it is described to be detected There is not DTX in user terminal.