CN101938437A - Single antenna interference cancellation (SAIC) capability recognizing method and device - Google Patents
Single antenna interference cancellation (SAIC) capability recognizing method and device Download PDFInfo
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Abstract
The invention discloses single antenna interference cancellation (SAIC) capability recognizing method and device which belong to the field of wireless communication. The method comprises the following steps of: respectively testing Non-SAIC type terminals to be tested by using alpha-QPSK (Quadrature Phase Shift Keying) modulation and GMSK (Guassian Minimum Shift Keying) modulation; recognizing whether the terminals to be tested have SAIC capability or not according to the corresponding downlink quality of the terminals to be tested under the alpha-QPSK modulation and GMSK modulation; reporting the corresponding downlink quality information to an SAIC capability recognizing device under the alpha-QPSK modulation and the GMSK modulation by the terminals to be tested so that the SAIC capability recognizing device is used for obtaining the corresponding downlink quality under the alpha-QPSK modulation and the GMSK modulation according to the downlink quality information and recognizing whether the terminals to be tested have the SAIC capability or not. The device comprises a test module and a recognizing module. By the scheme, the invention can recognize a silence SAIC terminal with the SAIC capability and improve the accuracy of SAIC capability recognition.
Description
Technical field
The present invention relates to wireless communication field, particularly a kind of single antenna interference eliminated ability recognition methods and device.
Background technology
At present, there are two types in terminal, and a kind of is SAIC (Single Antenna Interference Cancellation, single antenna interference eliminated) terminal, and another kind is Non-SAIC (non-single antenna interference eliminated) terminal.
Existing communication system, network equipment is according to the terminal type of terminal to report, determine whether this terminal has the SAIC ability, when the terminal type that reports is SAIC, network side with this terminal recognition for having the SAIC ability, when the terminal type that reports is Non-SAIC, network side with this terminal recognition for not having the SAIC ability.
Yet, have the SAIC ability greatly in the terminal of Non-SAIC type, also promptly have single antenna interference eliminated ability, just type is reported to be Non-SAIC, this Terminal Type is called mute SAIC (the single antenna interference eliminated of mourning in silence) terminal.
The present inventor finds that there is following problem at least in prior art: existing communication system determines according to the terminal type of terminal to report whether this terminal has the SAIC ability, the SAIC terminal of mourning in silence that will have the SAIC ability forecloses, and the accuracy of SAIC ability identification is relatively poor.
Summary of the invention
In order to improve the accuracy of SAIC ability identification, the embodiment of the invention provides a kind of single antenna interference eliminated ability recognition methods and device.
On the one hand, the embodiment of the invention provides the recognition methods of a kind of single antenna interference eliminated ability, and described method comprises:
Use Alpha's Quadrature Phase Shift Keying (alpha-QPSK) modulation and Guassian Minimum Shift Keying GMSK (GMSK) modulation respectively the terminal to be measured of non-single antenna interference eliminated (Non-SAIC) type to be tested;
, discern described terminal to be measured and whether have single antenna interference eliminated (SAIC) ability in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates according to described terminal to be measured.
On the other hand, the embodiment of the invention provides the recognition methods of a kind of single antenna interference eliminated ability, and described method comprises:
Terminal to be measured reports the device that single antenna interference eliminated (SAIC) ability is discerned with Alpha's Quadrature Phase Shift Keying (alpha-QPSK) modulation and the corresponding down downlink quality information of Guassian Minimum Shift Keying GMSK (GMSK) modulation, the device that described SAIC ability is discerned obtains corresponding downlink quality under alpha-QPSK modulation and the GMSK modulation according to described downlink quality information, discerns described terminal to be measured and whether has single antenna interference eliminated (SAIC) ability.
On the other hand, the embodiment of the invention provides a kind of single antenna interference eliminated ability recognition device, and described device comprises:
Test module is used to use Alpha's Quadrature Phase Shift Keying (alpha-QPSK) modulation and Guassian Minimum Shift Keying GMSK (GMSK) modulation respectively the terminal to be measured of non-single antenna interference eliminated (Non-SAIC) type to be tested;
Identification module is used for according to described terminal to be measured discerning described terminal to be measured and whether having single antenna interference eliminated (SAIC) ability in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates.
On the other hand, the embodiment of the invention provides a kind of base station controller, comprises above-mentioned single antenna interference eliminated ability recognition device.
On the other hand, the embodiment of the invention provides a kind of terminal, be used for Alpha's Quadrature Phase Shift Keying (alpha-QPSK) modulation and the corresponding down downlink quality information of Guassian Minimum Shift Keying GMSK (GMSK) modulation are reported the device that single antenna interference eliminated (SAIC) ability is discerned, the device that described SAIC ability is discerned obtains corresponding downlink quality under alpha-QPSK modulation and the GMSK modulation according to described downlink quality information, discerns described terminal to be measured and whether has single antenna interference eliminated (SAIC) ability.
The one side of the embodiment of the invention, respectively the terminal to be measured of non-single antenna interference eliminated Non-SAIC type is tested by using alpha-QPSK modulation and GMSK modulation, according to terminal to be measured in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates, discern terminal to be measured and whether have single antenna interference eliminated SAIC ability, thereby identify the SAIC terminal of mourning in silence, can improve the accuracy of SAIC ability identification with SAIC ability; On the other hand, give the device of SAIC ability identification by reporting the corresponding down downlink quality information of alpha-QPSK modulation and GMSK modulation, the device that the SAIC ability is discerned can obtain corresponding downlink quality under alpha-QPSK modulation and the GMSK modulation according to downlink quality information, further can discern terminal to be measured and whether have the SAIC ability, thereby identify the SAIC terminal of mourning in silence, can improve the accuracy of SAIC ability identification with SAIC ability.
Description of drawings
Fig. 1 is the method flow diagram of the SAIC ability identification that provides of one embodiment of the invention;
Fig. 2 is the method flow diagram of the SAIC ability identification that provides of another embodiment of the present invention;
Fig. 3 is the apparatus structure schematic diagram of the SAIC ability identification that provides of another embodiment of the present invention;
Fig. 4 is another apparatus structure schematic diagram of the SAIC ability identification that provides of another embodiment of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, one embodiment of the invention provides a kind of method of SAIC ability identification, comprising:
101: use alpha-QPSK (Quadrature Phase Shift Keying, Alpha's Quadrature Phase Shift Keying) modulation and GMSK (Gaussian Minimum Shift Keying, Guassian Minimum Shift Keying GMSK) modulation is tested the terminal to be measured of non-single antenna interference eliminated Non-SAIC type respectively.
102: in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates, discern terminal to be measured and whether have single antenna interference eliminated SAIC ability according to terminal to be measured.
The embodiment of the invention is tested the terminal to be measured of Non-SAIC type respectively by using alpha-QPSK modulation and GMSK modulation, according to terminal to be measured in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates, discern terminal to be measured and whether have single antenna interference eliminated SAIC ability, thereby identify the SAIC terminal of mourning in silence, can improve the accuracy of SAIC ability identification with SAIC ability.
Referring to Fig. 2, another embodiment of the present invention provides a kind of method of SAIC ability identification.
Network equipment is the terminal of Non-SAIC type to reporting types, can judge whether this terminal has the SAIC ability by the method for present embodiment, wherein, network equipment specifically can be BSC (Base Station Controller, base station controller), present embodiment does not limit, and concrete judgment mode can be as follows.
Need to prove, can use some detected parameters in the deterministic process of present embodiment, these inspection parameters can be pre-configured.
Wherein, detected parameters can comprise: detect among frequency n and the detection time T at least one, with alternate cycle N and mass change thresholding.Since detect frequency n and detection time T can push away mutually according to alternate cycle N, therefore, the two has one get final product, the apply-official formula is specially T=n * N * 2 mutually, wherein 2 represent two kinds of modulation systems.
Alternate cycle N represents to change every N time slot the modulation system of terminal downlink data to be measured, modulation system in the present embodiment comprises alpha-QPSK modulation and GMSK modulation, also promptly every time slot N the modulation system of terminal downlink data to be measured is switched in alpha-QPSK modulation and GMSK modulation.Wherein, the alpha-QPSK modulation is the modulation system of the downlink data of VAMOS agreement regulation, do not have the downlink quality meeting severe exacerbation of terminal under the alpha-QPSK modulation system of SAIC ability, the terminal with SAIC ability can operate as normal under the alpha-QPSK modulation.GMSK modulation is the modulation system of the downlink data supported of the terminal of Non-SAIC type, and the terminal of Non-SAIC type can operate as normal under the GMSK modulation.
Wherein, N is big more, and is big more to the influence of terminal to be measured, and testing result is good more.Alpha is big more, and is more little to the influence of terminal to be measured, and testing result is poor more.In the one-time detection process, Alpha can be an integer between-8 and 8.Further, in order to take into account testing result and to the influence of terminal to be measured, alpha can value be 0,1 or 2, and the span of N can be 10 to 30.
Detect frequency n and be illustrated in the one-time detection process, two kinds of number of times that modulation system replaces also are alpha-QPSK modulation and GMSK modulation number of times alternately.N is 〉=1 integer, represents two kinds of modulation systems only alternately once when n=1, represents that two kinds of modulation systems alternately repeatedly when n＞1.
Detection time, T represented the maximum time that testing process continues.In order to take into account testing result and, T＜300 time slots can be set to the influence of terminal to be measured.
In the present embodiment, detect for n time or reach T detection time, can be called the one-time detection process, carry out the identification of SAIC ability according to the result of testing process when having finished.
Mass change thresholding M represents to judge whether terminal to be measured has the detection threshold of SAIC ability.
Then, in detecting frequency n or detection time T,, use alpha-QPSK modulation and GMSK to modulate and alternately terminal to be measured tested, specifically comprise according to alternate cycle N:
200: obtain the quantity that current modulation mode continues time slot.
201: whether the quantity of judging the lasting time slot of current modulation mode reaches N.
If continuing the quantity of time slot, current modulation mode reaches N, so can be to terminal change modulation system to be measured, just execution in step 202, also do not reach N if current modulation mode continues the quantity of time slot, continue so to use current modulation mode, and execution in step 203.
202: the change modulation system.
Concrete, if current modulation mode is GMSK, then change to alpha-QPSK; Accordingly, if current modulation mode is alpha-QPSK, then change to GMSK.
After the change modulation system, execution in step 203.
203: judge whether current detection number of times reaches default detection frequency n, judge perhaps whether the current time reaches T detection time.
Concrete, if current detection number of times does not reach default detection frequency n, perhaps the current time does not reach default T detection time, execution in step 201; If current detection number of times reaches default detection frequency n, perhaps the current time reaches default T detection time, execution in step 204.
204: obtain the second downlink quality correlation, the 4th downlink quality correlation or the 6th downlink quality correlation.
A) concrete, according to
Obtain the first downlink quality correlation, wherein, Δ RxQual
1Be the first downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, c is a multiplication factor, and span is c 〉=1, when c＞1, because downlink quality with each report cycle correspondence, especially fractional part is carried out the calculating of the mean value of difference again after the expansion, therefore can improve the accuracy of measurement, for example, present embodiment can be got c=16, and P is the quantity of report cycle among the alternate cycle N, P≤N; According to
Obtain the second downlink quality correlation, wherein, Δ RxQual
2It is the second downlink quality correlation.
Need to prove that report cycle herein is meant the cycle that the downlink quality under every kind of modulation system is reported, this report cycle can be a time slot, also can be a plurality of time slots.When report cycle arrived, the downlink quality that reports can be an average downlink quality in this report cycle, downlink quality of the time slot in the time of also can being report cycle arrival or the like, and present embodiment is not done qualification to this.
Further, the second downlink quality correlation can report the network equipment after also can being calculated by terminal to be measured by the downlink quality information calculations of network equipment according to terminal to report to be measured.For example, network equipment is according to the RxQual of terminal to report to be measured
QPSKAnd RxQual
GMSKCalculate Δ RxQual
1With Δ RxQual
2Terminal perhaps to be measured is according to RxQual
QPSKAnd RxQual
GMSKCalculate Δ RxQual
1With Δ RxQual
2, and with Δ RxQual
2The report network side apparatus; Terminal perhaps to be measured is according to RxQual
QPSKAnd RxQual
GMSKCalculate Δ RxQual
1, and with Δ RxQual
1Report network side apparatus, network equipment are again according to Δ RxQual
1Calculate Δ RxQual
2
B) concrete, according to
Obtain the 3rd downlink quality correlation, wherein, Δ RxQual
3Be the 3rd downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, c is a multiplication factor, and span is c 〉=1, when c＞1, because downlink quality with each time slot correspondence, especially fractional part is carried out the calculating of the mean value of difference again after the expansion, therefore can improve the accuracy of measurement, for example, present embodiment can be got c=16, and P is the number of report cycle among the alternate cycle N, P≤N; According to
Obtain the 4th downlink quality correlation, wherein, Δ RxQual
4It is the 4th downlink quality correlation.
Further, the 4th downlink quality correlation can report the network equipment after also can being calculated by terminal to be measured by the downlink quality information calculations of network equipment according to terminal to report to be measured.For example, network equipment is according to the RxQual of terminal to report to be measured
QPSKAnd RxQual
GMSKCalculate Δ RxQual
3With Δ RxQual
4Terminal perhaps to be measured is according to RxQual
QPSKAnd RxQual
GMSKCalculate Δ RxQual
3With Δ RxQual
4, and with Δ RxQual
4The report network side apparatus; Terminal perhaps to be measured is according to RxQual
QPSKAnd RxQual
GMSKCalculate Δ RxQual
3, and with Δ RxQual
3Report network side apparatus, network equipment are again according to Δ RxQual
3Calculate Δ RxQual
4
C) concrete, according to
Obtain the 5th downlink quality correlation, wherein, Δ RxQual
5Be the 5th downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, P is the number of report cycle among the alternate cycle N, P≤N, α is the constant than default little at least one order of magnitude of certainty of measurement, be used to guarantee the denominator non-zero, generally, the order of magnitude refers to 10 power, and order of magnitude is that the ratio between adjacent two orders of magnitude is 10; According to
Obtain the 6th downlink quality correlation, wherein, Δ RxQual
6It is the 6th downlink quality correlation.
Further, the 6th downlink quality correlation can report the network equipment after also can being calculated by terminal to be measured by the downlink quality information calculations of network equipment according to terminal to report to be measured.For example, network equipment is according to the RxQual of terminal to report to be measured
QPSKAnd RxQual
GMSKCalculate Δ RxQual
5With Δ RxQual
6Terminal perhaps to be measured is according to RxQual
QPSKAnd RxQual
GMSKCalculate Δ RxQual
5With Δ RxQual
6, and with Δ RxQual
6The report network side apparatus; Terminal perhaps to be measured is according to RxQual
QPSKAnd RxQual
GMSKCalculate Δ RxQual
5, and with Δ RxQual
5Report network side apparatus, network equipment are again according to Δ RxQual
5Calculate Δ RxQual
6
205: the second downlink quality correlation, the 4th downlink quality correlation or the 6th downlink quality correlation and mass change thresholding are compared, determine whether terminal to be measured possesses the SAIC ability.
Need to prove that when different downlink quality correlations and mass change thresholding were compared, the mass change thresholding may be different value.
A) concrete, judge that whether the second downlink quality correlation is greater than mass change thresholding M; If the second downlink quality correlation is less than or equal to mass change thresholding M, determine that terminal to be measured possesses the SAIC ability, if the second downlink quality correlation, determines that terminal to be measured does not possess the SAIC ability greater than mass change thresholding M.
Further, determine that terminal to be measured possesses before the SAIC ability, present embodiment can also basis
Obtain first variance σ
1 2, judge first variance σ
1 2Whether greater than default variance; If first variance σ
1 2Be less than or equal to default variance, determine that terminal to be measured possesses the SAIC ability.
B) concrete, judge the whether scope between M1 and M2 of the 4th downlink quality correlation; If the scope of the 4th downlink quality correlation between M1 and M2 determines that terminal to be measured possesses the SAIC ability, if the 4th downlink quality correlation scope between M1 and M2 not determines that terminal to be measured does not possess the SAIC ability.
Further, determine that terminal to be measured possesses before the SAIC ability, present embodiment can also basis
Obtain second variance σ
2 2, judge second variance σ
2 2Whether greater than default variance; If second variance σ
2 2Be less than or equal to default variance, determine that terminal to be measured possesses the SAIC ability.
C) concrete, judge that whether the 6th downlink quality correlation is greater than mass change thresholding M; If the 6th downlink quality correlation is less than or equal to mass change thresholding M, determine that terminal to be measured possesses the SAIC ability, if the 6th downlink quality correlation, determines that terminal to be measured does not possess the SAIC ability greater than mass change thresholding M.
Further, determine that terminal to be measured possesses before the SAIC ability, present embodiment can also basis
Obtain third party's difference σ
3 2, judge third party's difference σ
3 2Whether greater than default variance; If third party's difference σ
3 2Be less than or equal to default variance, determine that terminal to be measured possesses the SAIC ability.
Herein, Yu She variance also can be thought one of detected parameters.In the present embodiment, can reflect each departure degree between quality correlation and its average at random by default variance, the terminal to be measured that departure degree is bigger does not possess the SAIC ability yet.
Present embodiment can also carry out the repeated detection process, and for example according to alternative S alpha value, the value of alpha in the change alpha-QPSK modulation system according to the alpha value after the change, continues to carry out testing process next time.If in S the alpha value, under any one or more alpha values, the second downlink quality correlation determines that greater than the mass change thresholding terminal to be measured does not possess the SAIC ability; Perhaps, if in S alpha value, under any one or more alpha values, the 4th downlink quality correlation determines that terminal to be measured does not possess the SAIC ability not between M1 and M2; Perhaps, if in S alpha value, under any one or more alpha values, the 6th downlink quality correlation determines that greater than the mass change thresholding terminal to be measured does not possess the SAIC ability.Carry out the identification of SAIC ability according to the repeated detection process, further improve the accuracy of SAIC ability identification.
Further, when terminal to be measured has the SAIC ability, can enable VAMOS (Voice services over Adaptive Multi-user Orthogonal Sub channels, speech business multi-user orthogonal subchannel) to terminal to be measured.VAMOS is at TCHH (Traffic Channel-halfrate, half rate) transmit on a user's the running time-frequency resource in, transmit two users are multiplexing together, can improve the number of users of system, be the new features that GSM (Global System for Mobile Communications, global system for mobile communications) obtains.
In addition, present embodiment is that the difference of two kinds of modulation system downlink quality and mass change thresholding are compared, and to a certain extent, can offset the influence of channel disturbance factor, helps improving the accuracy of measurement.
Need to prove, M in the present embodiment, the value of M1 and M2 can be provided with according to actual needs, and present embodiment is not done qualification to this.
The embodiment of the invention is tested the terminal to be measured of Non-SAIC type respectively by using alpha-QPSK modulation and GMSK modulation, according to terminal to be measured in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates, discern terminal to be measured and whether have the SAIC ability, thereby identify the SAIC terminal of mourning in silence, can improve the accuracy of SAIC ability identification with SAIC ability.
Another embodiment of the present invention provides the recognition methods of a kind of single antenna interference eliminated ability, comprising:
Terminal to be measured reports SAIC with alpha-QPSK modulation and the corresponding down downlink quality information of GMSK modulation) device discerned of ability, the device that the SAIC ability is discerned obtains corresponding downlink quality under alpha-QPSK modulation and the GMSK modulation according to downlink quality information, discerns terminal to be measured and whether has the SAIC ability.
As another embodiment of the present invention, terminal to be measured comprises the device that corresponding downlink quality information under alpha-QPSK modulation and the GMSK modulation reports the identification of SAIC ability:
Terminal to be measured reports the downlink quality under the corresponding modulating mode device of SAIC ability identification when report cycle arrives;
Perhaps, terminal basis to be measured
Obtain the first downlink quality correlation, according to
Obtain the second downlink quality correlation, and the second downlink quality correlation is reported the device of SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
1Be the first downlink quality correlation, c is a multiplication factor, and span is c 〉=1, Δ RxQual
2It is the second downlink quality correlation, P is the number of report cycle among the alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, detect frequency n and represent alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, and the mass change thresholding is for to judge whether terminal to be measured has the detection threshold of SAIC ability.
As another embodiment of the present invention, terminal to be measured comprises the device that corresponding downlink quality information under alpha-QPSK modulation and the GMSK modulation reports the identification of SAIC ability:
Terminal to be measured reports the downlink quality under the corresponding modulating mode device of SAIC ability identification when report cycle arrives;
Perhaps, terminal basis to be measured
Obtain the 3rd downlink quality correlation, according to
Obtain the 4th downlink quality correlation, and the 4th downlink quality correlation is reported the device of SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
3Be the 3rd downlink quality correlation, Δ RxQual
4It is the 4th downlink quality correlation, P is the number of report cycle among the alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, detect frequency n and represent alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, the mass change thresholding comprises mass change thresholding lower limit M1 and mass change upper limit M2 for to judge whether terminal to be measured has the detection threshold of SAIC ability.
As another embodiment of the present invention, terminal to be measured comprises the device that corresponding downlink quality information under alpha-QPSK modulation and the GMSK modulation reports the identification of SAIC ability:
Terminal to be measured reports the downlink quality under the corresponding modulating mode device of SAIC ability identification when report cycle arrives;
Perhaps, terminal basis to be measured
Obtain the 5th downlink quality correlation, according to
Obtain the 6th downlink quality correlation, and the 6th downlink quality correlation is reported the device of SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
3Be the 3rd downlink quality correlation, Δ RxQual
4It is the 4th downlink quality correlation, P is the number of report cycle among the alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, detect frequency n and represent alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, and the mass change thresholding is for to judge whether terminal to be measured has the detection threshold of SAIC ability.
The embodiment of the invention is given the device of SAIC ability identification by reporting the corresponding down downlink quality information of alpha-QPSK modulation and GMSK modulation, the device that the SAIC ability is discerned can obtain corresponding downlink quality under alpha-QPSK modulation and the GMSK modulation according to downlink quality information, further can discern terminal to be measured and whether have the SAIC ability, thereby identify the SAIC terminal of mourning in silence, can improve the accuracy of SAIC ability identification with SAIC ability.
Referring to Fig. 3, another embodiment of the present invention provides a kind of single antenna interference eliminated ability recognition device, comprising:
Test module 301 is used to use Alpha's Quadrature Phase Shift Keying (alpha-QPSK) modulation and Guassian Minimum Shift Keying GMSK (GMSK) modulation respectively the terminal to be measured of non-single antenna interference eliminated (Non-SAIC) type to be tested;
Identification module 302 is used for according to terminal to be measured discerning terminal to be measured and whether having single antenna interference eliminated (SAIC) ability in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates.
Particularly, test module 301 can be used for according to detected parameters, use alpha-QPSK modulation and GMSK modulation alternately terminal to be measured to be tested, wherein, detected parameters comprises: detect at least one among frequency n and the detection time T, alternate cycle N and mass change thresholding, alternate cycle N represents every N time slot the modulation system of terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, detect frequency n and represent alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, detection time T, the maximum time that the expression testing process continues, the mass change thresholding is for to judge whether terminal to be measured has the detection threshold of SAIC ability.
Further, referring to Fig. 4, identification module 302 comprises the first recognition unit 302a1, is used for
According to
Obtain the first downlink quality correlation, wherein, Δ RxQual
1Be the first downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, c is a multiplication factor, and span is c 〉=1, and P is the number of report cycle among the alternate cycle N, P≤N, according to
Obtain the second downlink quality correlation, wherein, Δ RxQual
2Be the second downlink quality correlation, and discern the second downlink quality correlation and whether be less than or equal to described mass change thresholding;
Be less than or equal to the mass change thresholding if the first recognition unit 302a1 identifies the second downlink quality correlation, identification module 302 determines that terminal to be measured possesses the SAIC ability.
Further, identification module 302 also comprises first variance judging unit 302a2, identify the second downlink quality correlation and be less than or equal to the mass change thresholding if be used for first recognition unit, according to
Obtain first variance σ
1 2, judge first variance σ
1 2Whether be less than or equal to default variance;
If first variance σ
1 2Whether be less than or equal to default variance, identification module 302 determines that terminal to be measured possesses the SAIC ability.
Wherein, the mass change thresholding comprises mass change thresholding lower limit M1 and mass change upper limit M2;
Identification module 302 comprises the second recognition unit 302b1, is used for
According to
Obtain the 3rd downlink quality correlation, wherein, Δ RxQual
3Be the 3rd downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, c is a multiplication factor, and span is c 〉=1, and P is the number of report cycle among the alternate cycle N, P≤N, according to
Obtain the 4th downlink quality correlation, wherein, Δ RxQual
4Be the 4th downlink quality correlation, and discern the 4th downlink quality correlation whether between M1 and M2;
If the second recognition unit 302b1 identifies the 4th downlink quality correlation between M1 and M2, identification module 302 determines that terminal to be measured possesses the SAIC ability.
Further, identification module 302 also comprises second variance judging unit 302b2, identifies the 4th downlink quality correlation between M1 and M2 if be used for second recognition unit, then first variance judging unit basis
Obtain second variance, judge second variance σ
2 2Whether be less than or equal to default variance;
If second variance σ
2 2Be less than or equal to default variance, identification module determines that terminal to be measured possesses the SAIC ability.
Wherein, identification module 302 comprises the 3rd recognition unit 302c1, is used for
According to
Obtain the 5th downlink quality correlation, wherein, Δ RxQual
5Be the 5th downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, P is the number of report cycle among the alternate cycle N, and P≤N, α are the constant than little at least one order of magnitude of presetting of certainty of measurement, according to
Obtain the 6th downlink quality correlation, wherein, Δ RxQual
6Be the 6th downlink quality correlation, discern the 6th downlink quality correlation and whether be less than or equal to described mass change thresholding;
Be less than or equal to the mass change thresholding if the 3rd recognition unit 302c1 identifies the 6th downlink quality correlation, identification module 302 determines that terminal to be measured possesses the SAIC ability.
Further, identification module 302 also comprises third party difference judging unit 302c2, identifies the 6th downlink quality correlation and is less than or equal to the mass change thresholding if be used for the 3rd recognition unit, then third party's difference judging unit basis
Obtain third party's difference σ
3 2, judge third party's difference σ
3 2Whether be less than or equal to default variance;
If third party's difference σ
3 2Be less than or equal to default variance, identification module 302 determines that terminal to be measured possesses the SAIC ability.
Whether further, this device also comprises: enable module 303, be used to discern terminal to be measured and have after the single antenna interference eliminated SAIC ability, when terminal to be measured has the SAIC ability, terminal to be measured is enabled speech business multi-user orthogonal subchannel VAMOS.
Further, this device can also comprise:
Change module 304, be used for according to alternative S alpha value, the value of alpha in the change alpha-QPSK modulation system, notice test module 301 continues to use alpha-QPSK modulation and GMSK modulation respectively the terminal to be measured of non-single antenna interference eliminated (Non-SAIC) type to be tested according to the alpha value after changing.
Wherein, identification module 302 also is used for
If in S the alpha value, under any one or more alpha values, the second downlink quality correlation determines that greater than the mass change thresholding terminal to be measured does not possess the SAIC ability;
Perhaps,
If in S the alpha value, under any one or more alpha values, the 4th downlink quality correlation determines that terminal to be measured does not possess the SAIC ability not between M1 and M2;
Perhaps,
If in S the alpha value, under any one or more alpha values, the 6th downlink quality correlation determines that greater than the mass change thresholding terminal to be measured does not possess the SAIC ability.
Wherein, this device also comprises: determination module 305, be used for before 301 pairs of terminals to be measured of test module are tested, receiving the terminal type of terminal to report to be measured, and determine that according to the terminal type of terminal to report to be measured terminal to be measured is the Non-SAIC type.
The embodiment of the invention is tested the terminal to be measured of Non-SAIC type respectively by using alpha-QPSK modulation and GMSK modulation, according to terminal to be measured in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates, discern terminal to be measured and whether have the SAIC ability, thereby identify the SAIC terminal of mourning in silence, can improve the accuracy of SAIC ability identification with SAIC ability.
Need to prove the implementation of module and the reciprocal process associated description in can reference method embodiment among the above single antenna interference eliminated ability recognition device embodiment.
Another embodiment of the present invention provides a kind of base station controller, comprises above-mentioned single antenna interference eliminated ability recognition device.
Another embodiment of the present invention provides a kind of terminal, be used for alpha-QPSK modulation and the corresponding down downlink quality information of GMSK modulation are reported the device that the SAIC ability is discerned, the device that the SAIC ability is discerned obtains corresponding downlink quality under alpha-QPSK modulation and the GMSK modulation according to downlink quality information, discerns terminal to be measured and whether has the SAIC ability.
Wherein, terminal specifically is used for
When report cycle arrives, the downlink quality under the corresponding modulating mode is reported the device of SAIC ability identification;
Perhaps, according to
Obtain the first downlink quality correlation, according to
Obtain the second downlink quality correlation, and the second downlink quality correlation is reported the device of SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
1Be the first downlink quality correlation, c is a multiplication factor, and span is c 〉=1, Δ RxQual
2It is the second downlink quality correlation, P is the number of report cycle among the alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, detect frequency n and represent alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, and the mass change thresholding is for to judge whether terminal to be measured has the detection threshold of SAIC ability.
Wherein, terminal specifically is used for
When report cycle arrives, the downlink quality under the corresponding modulating mode is reported the device of SAIC ability identification;
Perhaps, according to
Obtain the 3rd downlink quality correlation, according to
Obtain the 4th downlink quality correlation, and the 4th downlink quality correlation is reported the device of SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
3Be the 3rd downlink quality correlation, Δ RxQual
4It is the 4th downlink quality correlation, P is the number of report cycle among the alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, detect frequency n and represent alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, the mass change thresholding comprises mass change thresholding lower limit M1 and mass change upper limit M2 for to judge whether terminal to be measured has the detection threshold of SAIC ability.
Wherein, terminal specifically is used for
When report cycle arrives, the downlink quality under the corresponding modulating mode is reported the device of SAIC ability identification;
Perhaps, according to
Obtain the 5th downlink quality correlation, according to
Obtain the 6th downlink quality correlation, and the 6th downlink quality correlation is reported the device of SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
3Be the 3rd downlink quality correlation, Δ RxQual
4It is the 4th downlink quality correlation, P is the number of report cycle among the alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, detect frequency n and represent alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, and the mass change thresholding is for to judge whether terminal to be measured has the detection threshold of SAIC ability.
The embodiment of the invention is given the device of SAIC ability identification by reporting the corresponding down downlink quality information of alpha-QPSK modulation and GMSK modulation, the device that the SAIC ability is discerned obtains corresponding downlink quality under alpha-QPSK modulation and the GMSK modulation according to downlink quality information, discern terminal to be measured and whether have the SAIC ability, thereby identify the SAIC terminal of mourning in silence, can improve the accuracy of SAIC ability identification with SAIC ability.
Need to prove the implementation of module and the reciprocal process associated description in can reference method embodiment among the above terminal embodiment.
All or part of content in the technical scheme that above embodiment provides can realize that its software program is stored in the storage medium that can read by software programming, storage medium for example: the hard disk in the computer, CD or floppy disk.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (33)
1. single antenna interference eliminated ability recognition methods is characterized in that described method comprises:
Use Alpha's Quadrature Phase Shift Keying (alpha-QPSK) modulation and Guassian Minimum Shift Keying GMSK (GMSK) modulation respectively the terminal to be measured of non-single antenna interference eliminated (Non-SAIC) type to be tested;
, discern described terminal to be measured and whether have single antenna interference eliminated (SAIC) ability in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates according to described terminal to be measured.
2. the method for claim 1 is characterized in that, described use alpha-QPSK modulation and GMSK modulation are tested the terminal to be measured of Non-SAIC type respectively and comprised:
According to detected parameters, use alpha-QPSK modulation and GMSK modulation alternately described terminal to be measured to be tested, wherein, described detected parameters comprises: detect at least one among frequency n and the detection time T, alternate cycle N and mass change thresholding, described alternate cycle N represents every N time slot the modulation system of described terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, described detection frequency n is represented alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, described detection time T, the maximum time that the expression testing process continues, described mass change thresholding is for to judge whether described terminal to be measured has the detection threshold of SAIC ability.
3. method as claimed in claim 2 is characterized in that, described according to described terminal to be measured in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates, discern described terminal to be measured and whether have single antenna interference eliminated SAIC ability and comprise:
According to
Obtain the first downlink quality correlation, wherein, Δ RxQual
1Be the first downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, c is a multiplication factor, and span is c 〉=1, and P is the number of report cycle described in the described alternate cycle N, P≤N;
According to
Obtain the second downlink quality correlation, wherein, Δ RxQual
2It is the second downlink quality correlation;
If the described second downlink quality correlation is less than or equal to described mass change thresholding, determine that described terminal to be measured possesses the SAIC ability.
4. method as claimed in claim 3 is characterized in that, described definite described terminal to be measured also comprises before possessing the SAIC ability:
According to
Obtain first variance σ
1 2If described first variance σ
1 2Be less than or equal to default variance, determine that described terminal to be measured possesses the SAIC ability.
5. method as claimed in claim 2 is characterized in that, described mass change thresholding comprises mass change thresholding lower limit M1 and mass change upper limit M2;
Described according to described terminal to be measured in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates, discern described terminal to be measured and whether have single antenna interference eliminated SAIC ability and comprise:
According to
Obtain the 3rd downlink quality correlation, wherein, Δ RxQual
3Be the 3rd downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, c is a multiplication factor, and span is c 〉=1, and P is the number of report cycle described in the described alternate cycle N, P≤N;
According to
Obtain the 4th downlink quality correlation, wherein, Δ RxQual
4It is the 4th downlink quality correlation;
If described the 4th downlink quality correlation between M1 and M2, determines that described terminal to be measured possesses the SAIC ability.
6. method as claimed in claim 5 is characterized in that, described definite described terminal to be measured also comprises before possessing the SAIC ability:
According to
Obtain second variance; If described second variance σ
2 2Be less than or equal to default variance, determine that described terminal to be measured possesses the SAIC ability.
7. method as claimed in claim 2 is characterized in that, described according to described terminal to be measured in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates, discern described terminal to be measured and whether have single antenna interference eliminated SAIC ability and comprise:
According to
Obtain the 5th downlink quality correlation, wherein, Δ RxQual
5Be the 5th downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, P is the number of report cycle described in the described alternate cycle N, and P≤N, α are the constant than little at least one order of magnitude of presetting of certainty of measurement;
According to
Obtain the 6th downlink quality correlation, wherein, Δ RxQual
6It is the 6th downlink quality correlation;
If described the 6th downlink quality correlation is less than or equal to described mass change thresholding, determine that described terminal to be measured possesses the SAIC ability.
8. method as claimed in claim 7 is characterized in that, described definite described terminal to be measured also comprises before possessing the SAIC ability:
According to
Obtain third party's difference σ
3 2If described third party's difference σ
3 2Be less than or equal to default variance, determine that described terminal to be measured possesses the SAIC ability.
9. as each described method of claim 1-8, it is characterized in that the described terminal to be measured of described identification comprises after whether having single antenna interference eliminated SAIC ability:
When described terminal to be measured has the SAIC ability, described terminal to be measured is enabled speech business multi-user orthogonal subchannel VAMOS.
10. as claim 3,5 or 7 described methods, it is characterized in that described method also comprises:
According to alternative S alpha value, change the value of alpha in the described alpha-QPSK modulation system, according to the alpha value after the change, continue to carry out and use alpha-QPSK modulation and GMSK modulation respectively the terminal to be measured of Non-SAIC type to be tested and subsequent step.
11. method as claimed in claim 10 is characterized in that, described method also comprises:
If in described S the alpha value, under any one or more alpha values, the described second downlink quality correlation determines that greater than described mass change thresholding described terminal to be measured does not possess the SAIC ability;
Perhaps,
If in described S the alpha value, under any one or more alpha values, described the 4th downlink quality correlation determines that described terminal to be measured does not possess the SAIC ability not between M1 and M2;
Perhaps,
If in described S the alpha value, under any one or more alpha values, described the 6th downlink quality correlation determines that greater than described mass change thresholding described terminal to be measured does not possess the SAIC ability.
12. the method for claim 1, it is characterized in that described use Alpha Quadrature Phase Shift Keying alpha-QPSK modulation and Guassian Minimum Shift Keying GMSK GMSK modulation comprise before respectively the terminal to be measured of non-single antenna interference eliminated Non-SAIC type being tested:
Receive the terminal type of described terminal to report to be measured, determine that according to the terminal type of described terminal to report to be measured described terminal to be measured is the Non-SAIC type.
13. single antenna interference eliminated ability recognition methods is characterized in that described method comprises:
Terminal to be measured reports the device that single antenna interference eliminated (SAIC) ability is discerned with Alpha's Quadrature Phase Shift Keying (alpha-QPSK) modulation and the corresponding down downlink quality information of Guassian Minimum Shift Keying GMSK (GMSK) modulation, the device that described SAIC ability is discerned obtains corresponding downlink quality under alpha-QPSK modulation and the GMSK modulation according to described downlink quality information, discerns described terminal to be measured and whether has single antenna interference eliminated (SAIC) ability.
14. method as claimed in claim 13 is characterized in that, described terminal to be measured comprises the device that corresponding downlink quality information under alpha-QPSK modulation and the GMSK modulation reports the identification of SAIC ability:
Described terminal to be measured reports the downlink quality under the corresponding modulating mode device of described SAIC ability identification when report cycle arrives;
Perhaps, described terminal basis to be measured
Obtain the first downlink quality correlation, according to
Obtain the second downlink quality correlation, and the described second downlink quality correlation is reported the device of described SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
1Be the first downlink quality correlation, c is a multiplication factor, and span is c 〉=1, Δ RxQual
2It is the second downlink quality correlation, P is the number of report cycle described in the described alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of described terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, described detection frequency n is represented alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, and described mass change thresholding is for to judge whether described terminal to be measured has the detection threshold of SAIC ability.
15. method as claimed in claim 13 is characterized in that, described terminal to be measured comprises the device that corresponding downlink quality information under alpha-QPSK modulation and the GMSK modulation reports the identification of SAIC ability:
Described terminal to be measured reports the downlink quality under the corresponding modulating mode device of described SAIC ability identification when report cycle arrives;
Perhaps, described terminal basis to be measured
Obtain the 3rd downlink quality correlation, according to
Obtain the 4th downlink quality correlation, and described the 4th downlink quality correlation is reported the device of described SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
3Be the 3rd downlink quality correlation, Δ RxQual
4It is the 4th downlink quality correlation, P is the number of report cycle described in the described alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of described terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, described detection frequency n is represented alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, described mass change thresholding comprises mass change thresholding lower limit M1 and mass change upper limit M2 for to judge whether described terminal to be measured has the detection threshold of SAIC ability.
16. method as claimed in claim 13 is characterized in that, described terminal to be measured comprises the device that corresponding downlink quality information under alpha-QPSK modulation and the GMSK modulation reports the identification of SAIC ability:
Described terminal to be measured reports the downlink quality under the corresponding modulating mode device of described SAIC ability identification when report cycle arrives;
Perhaps, described terminal basis to be measured
Obtain the 5th downlink quality correlation, according to
Obtain the 6th downlink quality correlation, and described the 6th downlink quality correlation is reported the device of described SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
3Be the 3rd downlink quality correlation, Δ RxQual
4It is the 4th downlink quality correlation, P is the number of report cycle described in the described alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of described terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, described detection frequency n is represented alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, and described mass change thresholding is for to judge whether described terminal to be measured has the detection threshold of SAIC ability.
17. a single antenna interference eliminated ability recognition device is characterized in that described device comprises:
Test module is used to use Alpha's Quadrature Phase Shift Keying (alpha-QPSK) modulation and Guassian Minimum Shift Keying GMSK (GMSK) modulation respectively the terminal to be measured of non-single antenna interference eliminated (Non-SAIC) type to be tested;
Identification module is used for according to described terminal to be measured discerning described terminal to be measured and whether having single antenna interference eliminated (SAIC) ability in alpha-QPSK modulation and corresponding downlink quality under GMSK modulates.
18. device as claimed in claim 17, it is characterized in that, described test module specifically is used for according to detected parameters, use alpha-QPSK modulation and GMSK modulation alternately described terminal to be measured to be tested, wherein, described detected parameters comprises: detect at least one among frequency n and the detection time T, alternate cycle N and mass change thresholding, described alternate cycle N represents every N time slot the modulation system of described terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, described detection frequency n is represented alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, described detection time T, the maximum time that the expression testing process continues, described mass change thresholding is for to judge whether described terminal to be measured has the detection threshold of SAIC ability.
19. device as claimed in claim 18 is characterized in that, described identification module comprises first recognition unit, is used for
According to
Obtain the first downlink quality correlation, wherein, Δ RxQual
1Be the first downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, c is a multiplication factor, and span is c 〉=1, and P is the number of report cycle described in the described alternate cycle N, P≤N, according to
Obtain the second downlink quality correlation, wherein, Δ RxQual
2Be the second downlink quality correlation, and discern the described second downlink quality correlation and whether be less than or equal to described mass change thresholding;
Be less than or equal to described mass change thresholding if described first recognition unit identifies the described second downlink quality correlation, described identification module determines that described terminal to be measured possesses the SAIC ability.
20. device as claimed in claim 19 is characterized in that, described identification module also comprises the first variance judging unit, identify the described second downlink quality correlation and be less than or equal to described mass change thresholding if be used for described first recognition unit, according to
Obtain first variance σ
1 2, judge described first variance σ
1 2Whether be less than or equal to default variance;
If described first variance σ
1 2Whether be less than or equal to default variance, described identification module determines that described terminal to be measured possesses the SAIC ability.
21. device as claimed in claim 18 is characterized in that, described mass change thresholding comprises mass change thresholding lower limit M1 and mass change upper limit M2;
Described identification module comprises second recognition unit, is used for
According to
Obtain the 3rd downlink quality correlation, wherein, Δ RxQual
3Be the 3rd downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, c is a multiplication factor, and span is c 〉=1, and P is the number of report cycle described in the described alternate cycle N, P≤N, according to
Obtain the 4th downlink quality correlation, wherein, Δ RxQual
4Be the 4th downlink quality correlation, and discern described the 4th downlink quality correlation whether between M1 and M2;
If described second recognition unit identifies described the 4th downlink quality correlation between M1 and M2, described identification module determines that described terminal to be measured possesses the SAIC ability.
22. device as claimed in claim 21 is characterized in that, described identification module also comprises the second variance judging unit, identifies described the 4th downlink quality correlation between M1 and M2, then described first variance judging unit basis if be used for second recognition unit
Obtain second variance, judge described second variance σ
2 2Whether be less than or equal to default variance;
If described second variance σ
2 2Be less than or equal to default variance, described identification module determines that described terminal to be measured possesses the SAIC ability.
23. device as claimed in claim 18 is characterized in that, described identification module comprises the 3rd recognition unit, is used for
According to
Obtain the 5th downlink quality correlation, wherein, Δ RxQual
5Be the 5th downlink quality correlation, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, P is the number of report cycle described in the described alternate cycle N, and P≤N, α are the constant than little at least one order of magnitude of presetting of certainty of measurement, according to
Obtain the 6th downlink quality correlation, wherein, Δ RxQual
6Be the 6th downlink quality correlation, discern described the 6th downlink quality correlation and whether be less than or equal to described mass change thresholding;
Be less than or equal to described mass change thresholding if described the 3rd recognition unit identifies described the 6th downlink quality correlation, described identification module determines that described terminal to be measured possesses the SAIC ability.
24. device as claimed in claim 23, it is characterized in that, described identification module also comprises third party difference judging unit, identifies described the 6th downlink quality correlation and is less than or equal to described mass change thresholding, then described third party's difference judging unit basis if be used for described the 3rd recognition unit
Obtain third party's difference σ
3 2, judge described third party's difference σ
3 2Whether be less than or equal to default variance;
If described third party's difference σ
3 2Be less than or equal to default variance, described identification module determines that described terminal to be measured possesses the SAIC ability.
25., it is characterized in that described device also comprises as each described device of claim 17-24: enable module, be used to discern described terminal to be measured and whether have after the single antenna interference eliminated SAIC ability,
When described terminal to be measured has the SAIC ability, described terminal to be measured is enabled speech business multi-user orthogonal subchannel VAMOS.
26., it is characterized in that described device also comprises as claim 19,21 or 23 described devices:
The change module, be used for according to alternative S alpha value, change the value of alpha in the described alpha-QPSK modulation system, alpha value after notifying described test module according to change continues to use alpha-QPSK modulation and GMSK modulation respectively the terminal to be measured of non-single antenna interference eliminated (Non-SAIC) type to be tested.
27. device according to claim 26 is characterized in that, described identification module also is used for
If in described S the alpha value, under any one or more alpha values, the described second downlink quality correlation determines that greater than described mass change thresholding described terminal to be measured does not possess the SAIC ability;
Perhaps,
If in described S the alpha value, under any one or more alpha values, described the 4th downlink quality correlation determines that described terminal to be measured does not possess the SAIC ability not between M1 and M2;
Perhaps,
If in described S the alpha value, under any one or more alpha values, described the 6th downlink quality correlation determines that greater than described mass change thresholding described terminal to be measured does not possess the SAIC ability.
28. device as claimed in claim 17, it is characterized in that, described device also comprises: determination module, be used for before described test module is tested described terminal to be measured, receive the terminal type of described terminal to report to be measured, determine that according to the terminal type of described terminal to report to be measured described terminal to be measured is the Non-SAIC type.
29. a base station controller is characterized in that, comprises each described single antenna interference eliminated ability recognition device as claim 17-28.
30. terminal, it is characterized in that, described terminal, be used for Alpha's Quadrature Phase Shift Keying (alpha-QPSK) modulation and the corresponding down downlink quality information of Guassian Minimum Shift Keying GMSK (GMSK) modulation are reported the device that single antenna interference eliminated (SAIC) ability is discerned, the device that described SAIC ability is discerned obtains corresponding downlink quality under alpha-QPSK modulation and the GMSK modulation according to described downlink quality information, discerns described terminal to be measured and whether has single antenna interference eliminated (SAIC) ability.
31. terminal as claimed in claim 30 is characterized in that, described terminal specifically is used for
When report cycle arrives, the downlink quality under the corresponding modulating mode is reported the device of described SAIC ability identification;
Perhaps, according to
Obtain the first downlink quality correlation, according to
Obtain the second downlink quality correlation, and the described second downlink quality correlation is reported the device of described SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
1Be the first downlink quality correlation, c is a multiplication factor, and span is c 〉=1, Δ RxQual
2It is the second downlink quality correlation, P is the number of report cycle described in the described alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of described terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, described detection frequency n is represented alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, and described mass change thresholding is for to judge whether described terminal to be measured has the detection threshold of SAIC ability.
32. terminal as claimed in claim 30 is characterized in that, described terminal specifically is used for
When report cycle arrives, the downlink quality under the corresponding modulating mode is reported the device of described SAIC ability identification;
Perhaps, according to
Obtain the 3rd downlink quality correlation, according to
Obtain the 4th downlink quality correlation, and described the 4th downlink quality correlation is reported the device of described SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
3Be the 3rd downlink quality correlation, Δ RxQual
4It is the 4th downlink quality correlation, P is the number of report cycle described in the described alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of described terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, described detection frequency n is represented alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, described mass change thresholding comprises mass change thresholding lower limit M1 and mass change upper limit M2 for to judge whether described terminal to be measured has the detection threshold of SAIC ability.
33. terminal as claimed in claim 30 is characterized in that, described terminal specifically is used for
When report cycle arrives, the downlink quality under the corresponding modulating mode is reported the device of described SAIC ability identification;
Perhaps, according to
Obtain the 5th downlink quality correlation, according to
Obtain the 6th downlink quality correlation, and described the 6th downlink quality correlation is reported the device of described SAIC ability identification;
Wherein, RxQual
QPSKAnd RxQual
GMSKBe respectively alpha-QPSK modulation and GMSK and modulate the downlink quality of each report cycle correspondence, Δ RxQual
3Be the 3rd downlink quality correlation, Δ RxQual
4It is the 4th downlink quality correlation, P is the number of report cycle described in the described alternate cycle N, P≤N, N is that alternate cycle is represented every N time slot the modulation system of described terminal downlink data to be measured to be switched in alpha-QPSK modulation and GMSK modulation, N is the integer more than or equal to 1, described detection frequency n is represented alpha-QPSK modulation and GMSK modulation number of times alternately, n is the integer more than or equal to 1, and described mass change thresholding is for to judge whether described terminal to be measured has the detection threshold of SAIC ability.
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| CN2010102856437A CN101938437B (en) | 2010-09-15 | 2010-09-15 | Single antenna interference cancellation (SAIC) capability recognizing method and device |
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| CN2010102856437A CN101938437B (en) | 2010-09-15 | 2010-09-15 | Single antenna interference cancellation (SAIC) capability recognizing method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN102356584A (en) * | 2011-08-22 | 2012-02-15 | 华为技术有限公司 | Detection method, device, base station and terminal of terminal ability |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012037730A1 (en) * | 2010-09-26 | 2012-03-29 | 中兴通讯股份有限公司 | Method and system for detecting mobile terminal capability of supporting interference suppression and cancellation |
| CN102158880A (en) * | 2011-04-01 | 2011-08-17 | 华为技术有限公司 | Terminal identification processing method, system and equipment |
| CN102158880B (en) * | 2011-04-01 | 2013-08-28 | 华为技术有限公司 | Terminal identification processing method, system and equipment |
| CN102356584A (en) * | 2011-08-22 | 2012-02-15 | 华为技术有限公司 | Detection method, device, base station and terminal of terminal ability |
| WO2012119404A1 (en) * | 2011-08-22 | 2012-09-13 | 华为技术有限公司 | Method and device for detecting terminal capability, base station and terminal |
| CN102356584B (en) * | 2011-08-22 | 2014-03-12 | 华为技术有限公司 | Detection method, device, base station and terminal of terminal ability |
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| CN101938437B (en) | 2013-06-12 |
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