CN103997377A - Measuring method of received signal code power, device and user terminal - Google Patents

Measuring method of received signal code power, device and user terminal Download PDF

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CN103997377A
CN103997377A CN201310051654.2A CN201310051654A CN103997377A CN 103997377 A CN103997377 A CN 103997377A CN 201310051654 A CN201310051654 A CN 201310051654A CN 103997377 A CN103997377 A CN 103997377A
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measurement
rscp
frequency
preferential frequencies
frequencies list
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刘宇
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ST Ericsson SA
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ST Ericsson SA
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Priority to CN201310051654.2A priority Critical patent/CN103997377A/en
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Abstract

The invention provides a measuring method of received signal code power, a device and a user terminal, and belongs to the field of mobile communication. The measuring method of received signal code power includes: step a: judging whether a stored preferential frequency list is empty, if not, turning to step b, and if yes, turning to step d; step b: performing received signal code power (RSCP) measurement on the first frequency in the preferential frequency list, and turning to step c; step c: removing the frequency on which RSCP measurement is performed from the preferential frequency list, and turning to step a; and step d: performing RSCP measurement on frequencies in a stored non-preferential frequency list. The technical scheme of the invention can improve accuracy of a pilot frequency RSCP measuring result.

Description

Method of measurement, device and the user terminal of received signal code power
Technical field
The present invention relates to moving communicating field, refer to especially a kind of method of measurement, device and user terminal of received signal code power.
Background technology
TD-SCDMA(Time Division-Synchronous Code Division Multiple Access, TD SDMA) be 4 kinds of UMTS (Universal Mobile Telecommunications System, one of universal mobile telecommunications system) standard, TD-SCDMA system is based on TDD(Time Division Duplexing, time division duplex) 3G(3rd-generation, 3G (Third Generation) Moblie technology) system.
In TD-SCDMA system, the state of UE can be divided into idle pulley and connection mode, from L1(physical layer) angle, connection mode comprises CELL_FACH and CELL_DCH, idle pulley comprises CELL_PCH and URA_PCH.Under CELL_DCH state, L1 is at P-CCPCH (Primary Common Control Physical Channel, Primary Common Control Physical Channel) carry out with frequently and the measurement of the RSCP (Received Signal Code Power, received signal code power) of alien frequencies.Wherein, common frequency measurement is that the community of same frequency is measured, and different-frequency measure is that the community of different frequency is measured.Be illustrated in figure 1 the structural representation of TD-SCDMA frame and time slot, wherein P-CCPCH channel is in TS0(time slot 0 regularly) on, the every 200ms of L1 carries out common frequency measurement one time, and by RSCP measurement report to RRC(Radio Resource Control, radio resource control); The every 480ms of L1 carries out different-frequency measure one time, and by RSCP measurement report to RRC.RRC is by RSCP measurement report to network, and then network requirement UE is switched to more excellent network according to RSCP measurement result, therefore accurately, timely RSCP measurement result UE under CELL_DCH state is switched is very important.
Within a measuring period, because common frequency measurement is important, therefore first L1 carries out common frequency measurement conventionally, and then different-frequency measure is carried out in configuration one by one according to RRC.Under CELL_DCH state in TD-SCDMA system, L1 will measure at most 10 frequencies (maximum You32Ge community in a frequency within a measuring period, in a common frequency, there are 2 ~ 3 communities), if some frequency does not measure within this measuring period, L1 can be by historical measurement report to RRC.
Under CELL_DCH state, UE is in HSDPA (High Speed Downlink Packet Access conventionally, high speed downlink packet access) transmission and HSUPA(high speed uplink packet access, high speed uplink packet access) transmit.In HSDPA business, HS-SCCH channel is configured on TS0 conventionally; In HSUPA business, E-AGCH channel is configured on TS0 conventionally.If like this HS-SCCH channel or E-AGCH channel occupancy TS0, L1 can only carry out common frequency measurement in current subframe, and can not carry out different-frequency measure.
In prior art, network generally can reserve enough subframes that does not configure HS-SCCH channel or E-AGCH channel, but in the transmission of two-forty, HS-SCCH channel or E-AGCH channel will take the TS0 of too many subframe, within a measuring period, will not have time enough to go to carry out the measurement of alien frequencies RSCP like this, thereby can not ensure the accuracy of alien frequencies RSCP measurement result.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of measurement, device and user terminal of received signal code power, can improve the accuracy of alien frequencies RSCP measurement result.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, provide a kind of method of measurement of received signal code power, comprising:
Step a: whether the preferential frequencies list that judges storage is empty, if be not empty, turns to step b; Empty if, turn to steps d;
Step b: first frequency in preferential frequencies list is carried out to received signal code power RSCP measurement, turn to step c;
Step c: the frequency of carrying out after RSCP measurement is removed from preferential frequencies list, turn to step a;
Steps d: the frequency in the non-preferential frequencies list of storage is carried out to RSCP measurement.
Wherein, before described step a, also comprise:
Judge and within current measuring period, completed with the measurement of RSCP frequently.
Further, described step c also comprises:
The frequency of carrying out after RSCP measurement is placed on to last position in described non-preferential frequencies list.
Particularly, described steps d comprises:
Steps d 1: judge in described non-preferential frequencies list whether have the frequency of not carrying out RSCP measurement a measuring period, if not, turn to steps d 2; If so, turn to steps d 3;
Steps d 2: the frequency in described non-preferential frequencies list is carried out to RSCP measurement successively according to putting in order of described non-preferential frequencies list medium frequency.
Steps d 3: upper one frequency of not carrying out RSCP measurement measuring period in described non-preferential frequencies list is carried out to RSCP measurement, according to putting in order of described non-preferential frequencies list medium frequency, other frequency in described non-preferential frequencies list is carried out to RSCP measurement afterwards.
Further, after described steps d, also comprise:
According to the RSCP value measuring, by the frequency at place, top n RSCP Zhi Gao community according to the storing into from high to low in preferential frequencies list of RSCP value, and the from high to low frequency at other place, community is stored in non-preferential frequencies list according to RSCP value.
The embodiment of the present invention also provides a kind of measurement mechanism of received signal code power, comprising:
Whether the first judge module is empty for the preferential frequencies list that judges storage;
The first measurement module, when not being empty in described preferential frequencies list, carries out received signal code power RSCP measurement to first frequency in preferential frequencies list;
Processing module, removes from preferential frequencies list for the frequency that described the first measurement module is carried out after RSCP measurement, proceeds judgement afterwards by described the first judge module;
The second measurement module, when being empty in described preferential frequencies list, carries out RSCP measurement to the frequency in the non-preferential frequencies list of storage.
Wherein, described device also comprises:
The second judge module, before judging at described the first judge module, judges and within current measuring period, has completed with the measurement of RSCP frequently.
Further, described processing module, also for described the first measurement module being carried out to frequency after RSCP measurement after preferential frequencies list removes, is placed on last position in described non-preferential frequencies list by the frequency of carrying out after RSCP measurement.
Particularly, described the second measurement module is specifically for carrying out following steps:
Steps d 1: judge in described non-preferential frequencies list whether have the frequency of not carrying out RSCP measurement a measuring period, if not, turn to steps d 2; If so, turn to steps d 3;
Steps d 2: the frequency in described non-preferential frequencies list is carried out to RSCP measurement successively according to putting in order of described non-preferential frequencies list medium frequency.
Steps d 3: upper one frequency of not carrying out RSCP measurement measuring period in described non-preferential frequencies list is carried out to RSCP measurement, according to putting in order of described non-preferential frequencies list medium frequency, other frequency in described non-preferential frequencies list is carried out to RSCP measurement afterwards.
Further, described device also comprises:
Memory module, the RSCP value measuring for basis, by the frequency at place, top n RSCP Zhi Gao community according to the storing into from high to low in preferential frequencies list of RSCP value, and the from high to low frequency at other place, community is stored in non-preferential frequencies list according to RSCP value.
The embodiment of the present invention also provides a kind of user terminal, comprises the measurement mechanism of received signal code power as above.
Embodiments of the invention have following beneficial effect:
In such scheme, the corresponding frequency in community of RSCP rank top N in the upper measuring period is considered as to preferential frequencies, and preferential frequencies is preferentially carried out to the measurement of RSCP, the frequency that can ensure like this to have better RSCP value can be measured in time, ensure that measurement report can generate in time, and improved the accuracy of alien frequencies RSCP measurement result, so that UE can be switched to preferably on alien-frequency district really.
Brief description of the drawings
Fig. 1 is the structural representation of TD-SCDMA frame and time slot;
Fig. 2 is the schematic flow sheet of the method for measurement of embodiment of the present invention received signal code power;
Fig. 3 is the structural representation of the measurement mechanism of embodiment of the present invention received signal code power;
Fig. 4 is another schematic flow sheet of the method for measurement of embodiment of the present invention received signal code power;
Fig. 5 is the schematic flow sheet that the embodiment of the present invention generates preferential frequencies list.
Embodiment
For technical problem, technical scheme and advantage that embodiments of the invention will be solved are clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention provide a kind of method of measurement, device and user terminal of received signal code power, can improve the accuracy of alien frequencies RSCP measurement result.
Fig. 2 is the schematic flow sheet of the method for measurement of embodiment of the present invention received signal code power, and as shown in Figure 2, the present embodiment comprises:
Step a: whether the preferential frequencies list that judges storage is empty, if be not empty, turns to step b; Empty if, turn to steps d;
Step b: first frequency in preferential frequencies list is carried out to received signal code power RSCP measurement, turn to step c;
Step c: the frequency of carrying out after RSCP measurement is removed from preferential frequencies list, turn to step a;
Steps d: the frequency in the non-preferential frequencies list of storage is carried out to RSCP measurement.
In the embodiment of the present invention, comprising on the basis of above-mentioned steps a ~ d, before step a, also comprising: judging and within current measuring period, completed with the measurement of RSCP frequently.
Further, in the embodiment of the present invention, comprising on the basis of above-mentioned steps a ~ d, in described step c, also comprising after removing from preferential frequencies list carrying out frequency after RSCP measurement: the frequency of carrying out after RSCP measurement is placed on to last position in described non-preferential frequencies list.
Particularly, described steps d comprises:
Steps d 1: judge in described non-preferential frequencies list whether have the frequency of not carrying out RSCP measurement a measuring period, if not, turn to steps d 2; If so, turn to steps d 3;
Steps d 2: the frequency in described non-preferential frequencies list is carried out to RSCP measurement successively according to putting in order of described non-preferential frequencies list medium frequency.
Steps d 3: upper one frequency of not carrying out RSCP measurement measuring period in described non-preferential frequencies list is carried out to RSCP measurement, according to putting in order of described non-preferential frequencies list medium frequency, other frequency in described non-preferential frequencies list is carried out to RSCP measurement afterwards.
Further, in the embodiment of the present invention, comprising on the basis of above-mentioned steps a ~ d, after described steps d, also comprising:
According to the RSCP value measuring, by the frequency at place, top n RSCP Zhi Gao community according to the storing into from high to low in preferential frequencies list of RSCP value, and the from high to low frequency at other place, community is stored in non-preferential frequencies list according to RSCP value.
The method of measurement of received signal code power of the present invention, the corresponding frequency in community of RSCP rank top N in the upper measuring period is considered as to preferential frequencies, and preferential frequencies is preferentially carried out to the measurement of RSCP, the frequency that can ensure like this to have better RSCP value can be measured in time, ensure that measurement report can generate in time, and improved the accuracy of alien frequencies RSCP measurement result, so that UE can be switched to preferably on alien-frequency district really.
Fig. 3 is the structural representation of the measurement mechanism of embodiment of the present invention received signal code power, and as shown in Figure 3, the present embodiment comprises:
Whether the first judge module 30 is empty for the preferential frequencies list that judges storage;
The first measurement module 31, when not being empty in described preferential frequencies list, carries out received signal code power RSCP measurement to first frequency in preferential frequencies list;
Processing module 32, removes from preferential frequencies list for the frequency that described the first measurement module 31 is carried out after RSCP measurement, proceeds judgement afterwards by described the first judge module 30;
The second measurement module 33, when being empty in described preferential frequencies list, carries out RSCP measurement to the frequency in the non-preferential frequencies list of storage.
Wherein, described device also comprises:
The second judge module, before judging at the first judge module 30, judges and within current measuring period, has completed with the measurement of RSCP frequently.
Further, described processing module 32, also for described the first measurement module 31 being carried out to frequency after RSCP measurement after preferential frequencies list removes, is placed on last position in described non-preferential frequencies list by the frequency of carrying out after RSCP measurement.
Particularly, described the second measurement module 32 is specifically for carrying out following steps:
Steps d 1: judge in described non-preferential frequencies list whether have the frequency of not carrying out RSCP measurement a measuring period, if not, turn to steps d 2; If so, turn to steps d 3;
Steps d 2: the frequency in described non-preferential frequencies list is carried out to RSCP measurement successively according to putting in order of described non-preferential frequencies list medium frequency.
Steps d 3: upper one frequency of not carrying out RSCP measurement measuring period in described non-preferential frequencies list is carried out to RSCP measurement, according to putting in order of described non-preferential frequencies list medium frequency, other frequency in described non-preferential frequencies list is carried out to RSCP measurement afterwards.
Further, described device also comprises:
Memory module, the RSCP value measuring for basis, by the frequency at place, top n RSCP Zhi Gao community according to the storing into from high to low in preferential frequencies list of RSCP value, and the from high to low frequency at other place, community is stored in non-preferential frequencies list according to RSCP value.
The measurement mechanism of received signal code power of the present invention, the corresponding frequency in community of RSCP rank top N in the upper measuring period is considered as to preferential frequencies, and preferential frequencies is preferentially carried out to the measurement of RSCP, the frequency that can ensure like this to have better RSCP value can be measured in time, ensure that measurement report can generate in time, and improved the accuracy of alien frequencies RSCP measurement result, so that UE can be switched to preferably on alien-frequency district really.
The embodiment of the present invention also provides a kind of user terminal, comprises the measurement mechanism of received signal code power as above.
The method of measurement of received signal code power of the present invention is carried out few further below in conjunction with Fig. 4 ~ Fig. 5:
As shown in Figure 4, the method for measurement of the received signal code power of the embodiment of the present invention specifically comprises the following steps:
Step 401:UE is under CELL_DCH state, and L1 starts to dispatch the RSCP measurement of frequency in the different-frequency measure cycle;
Step 402: judge in current measuring period whether carried out common frequency measurement, if so, turn to step 403; If not, start to carry out with the measurement of RSCP frequently, the process of wherein carrying out same RSCP frequently measurement is same as the prior art, does not repeat them here;
Step 403: whether the preferential frequencies list that judges storage is empty, if be not empty, turns to step 404; Empty if, turn to step 406;
Step 404: first frequency in preferential frequencies list is carried out to RSCP measurement, turn to step 405;
Step 405: the frequency of carrying out after RSCP measurement is removed from preferential frequencies list, be placed in non-preferential frequencies list, particularly, this frequency of carrying out after RSCP measurement is placed on to last position in non-preferential frequencies list, turn to step 403;
Step 406: judged in a upper measuring period whether have the frequency of not carrying out RSCP measurement, if not, turn to step 407; If so, turn to step 408;
Step 407: first frequency in non-preferential frequencies list is carried out to RSCP measurement, afterwards, according to putting in order of non-preferential frequencies list medium frequency, other frequency in non-preferential frequencies list is carried out to RSCP measurement successively.
Step 408: determine upper frequency of not carrying out RSCP measurement a measuring period in non-preferential frequencies list, and first frequency of not carrying out RSCP measurement in non-preferential frequencies list is carried out to RSCP measurement, the frequency of afterwards other not being carried out to RSCP measurement is carried out RSCP measurement successively, after a frequency of not carrying out RSCP measurement measuring period on all being completed to RSCP measurement, other frequency in non-preferential frequencies list is carried out to RSCP measurement.
As shown in Figure 5, in process above-mentioned steps 401 ~ 408, after L1 completes the measurement of current measuring period, need to carry out following steps:
The alien frequencies RSCP that step 501:L1 completes current measuring period measures, and obtains RSCP value corresponding to each frequency;
Step 502: according to the RSCP value obtaining, therefrom select N alien-frequency district that has best RSCP value, wherein the value of N is preferably 3, can be also 4 or 5;
Step 503: the frequency at this N place, community is added in preferential frequencies list, and the frequency at other place, community is added in non-preferential frequencies list.
Particularly, the storing into from high to low in preferential frequencies list according to RSCP value by the frequency at place, top n RSCP Zhi Gao community; And the from high to low frequency at other place, community is stored in non-preferential frequencies list according to RSCP value.Wherein, in non-preferential frequencies list, may deposit current measuring period of not measured frequency.
In technical scheme of the present invention, as shown in Figure 4, in the time that L1 starts to carry out RSCP measurement, common frequency measurement will preferentially carry out, and then according to putting in order of preferential frequencies list medium frequency, the frequency in preferential frequencies list be carried out to different-frequency measure successively.In to preferential frequencies list, all frequencies execute after different-frequency measure, if existed and there is no measured frequency in a upper measuring period, determined in non-preferential frequencies list a upper measuring period of not measured frequency, and successively these frequencies are measured according to putting in order of non-preferential frequencies list medium frequency; If do not exist and there is no measured frequency in a upper measuring period, and according to putting in order of non-preferential frequencies list medium frequency, the frequency in non-preferential frequencies list was carried out to different-frequency measure successively.As shown in Figure 5, after finishing current measuring period, according to the alien frequencies RSCP measurement result obtaining, therefrom select N alien-frequency district that has best RSCP value, and the frequency at this N place, community is added in preferential frequencies list, and the frequency at other place, community is added in non-preferential frequencies list.
Above-mentioned Fig. 4 and Fig. 5 are in the embodiment of the present invention, the operation of L1 required execution within a measuring period.In the time of HSDPA or HSUPA business, HS-SCCH channel or E-AGCH channel will take the TS0 of too many subframe, cause the RSCP that can not carry out enough number frequencies within a measuring period to measure, in order to address the above problem, the present invention by RSCP value preferably frequency be considered as preferential frequencies, and preferential frequencies is preferentially carried out to the measurement of RSCP, the frequency that can ensure like this to have better RSCP value can be measured in time, ensure that measurement report can generate in time, and improve the accuracy of alien frequencies RSCP measurement result, so that UE can be switched to preferably on alien-frequency district really.
Technical scheme of the present invention can't affect other different-frequency measure, if it is measured that non-preferential frequencies did not have within a upper measuring period, within current measuring period, complete after the measurement of preferential frequencies so, will go up the measurement that there is no measured non-preferential frequencies a measuring period.
Many functional parts described in this specification are all called as module, to emphasize more especially the independence of its implementation.
In the embodiment of the present invention, module can realize with software, to carried out by various types of processors.For instance, the executable code module of a mark can comprise one or more physics or the logical block of computer instruction, and for instance, it can be built as object, process or function.However, the executable code of institute's identification module is without being physically located in together, but can comprise and be stored in different different instructions physically, in the time combining in these command logics, and its composition module and realize the regulation object of this module.
In fact, executable code module can be individual instructions or many instructions, and even can be distributed on multiple different code segments, is distributed in the middle of distinct program, and crosses over multiple memory devices distributions.Similarly, operating data can be identified in module, and can realize and be organized in the data structure of any suitable type according to any suitable form.Described operating data can be used as individual data collection and is collected, or can be distributed on diverse location and (be included in different storage device), and can only be present on system or network as electronic signal at least in part.
In the time that module can utilize software to realize, consider the level of existing hardware technique, so module that can realize with software, in the situation that not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises conventional ultra-large integrated (VLSI) circuit or gate array and the existing semiconductor such as logic chip, transistor or other discrete element.Module can also be used programmable hardware device, realizations such as field programmable gate array, programmable logic array, programmable logic device.
In the each embodiment of the method for the present invention; the sequence number of described each step can not be used for limiting the sequencing of each step; for those of ordinary skill in the art, do not paying under the prerequisite of creative work, the priority of each step is changed also within protection scope of the present invention.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (11)

1. a method of measurement for received signal code power, is characterized in that, comprising:
Step a: whether the preferential frequencies list that judges storage is empty, if be not empty, turns to step b; Empty if, turn to steps d;
Step b: first frequency in preferential frequencies list is carried out to received signal code power RSCP measurement, turn to step c;
Step c: the frequency of carrying out after RSCP measurement is removed from preferential frequencies list, turn to step a;
Steps d: the frequency in the non-preferential frequencies list of storage is carried out to RSCP measurement.
2. the method for measurement of received signal code power according to claim 1, is characterized in that, before described step a, also comprises:
Judge and within current measuring period, completed with the measurement of RSCP frequently.
3. the method for measurement of received signal code power according to claim 1, is characterized in that, described step c also comprises:
The frequency of carrying out after RSCP measurement is placed on to last position in described non-preferential frequencies list.
4. the method for measurement of received signal code power according to claim 1, is characterized in that, described steps d comprises:
Steps d 1: judge in described non-preferential frequencies list whether have the frequency of not carrying out RSCP measurement a measuring period, if not, turn to steps d 2; If so, turn to steps d 3;
Steps d 2: the frequency in described non-preferential frequencies list is carried out to RSCP measurement successively according to putting in order of described non-preferential frequencies list medium frequency.
Steps d 3: upper one frequency of not carrying out RSCP measurement measuring period in described non-preferential frequencies list is carried out to RSCP measurement, according to putting in order of described non-preferential frequencies list medium frequency, other frequency in described non-preferential frequencies list is carried out to RSCP measurement afterwards.
5. the method for measurement of received signal code power according to claim 1, is characterized in that, after described steps d, also comprises:
According to the RSCP value measuring, by the frequency at place, top n RSCP Zhi Gao community according to the storing into from high to low in preferential frequencies list of RSCP value, and the from high to low frequency at other place, community is stored in non-preferential frequencies list according to RSCP value.
6. a measurement mechanism for received signal code power, is characterized in that, comprising:
Whether the first judge module is empty for the preferential frequencies list that judges storage;
The first measurement module, when not being empty in described preferential frequencies list, carries out received signal code power RSCP measurement to first frequency in preferential frequencies list;
Processing module, removes from preferential frequencies list for the frequency that described the first measurement module is carried out after RSCP measurement, proceeds judgement afterwards by described the first judge module;
The second measurement module, when being empty in described preferential frequencies list, carries out RSCP measurement to the frequency in the non-preferential frequencies list of storage.
7. the measurement mechanism of received signal code power according to claim 6, is characterized in that, described device also comprises:
The second judge module, before judging at described the first judge module, judges and within current measuring period, has completed with the measurement of RSCP frequently.
8. the measurement mechanism of received signal code power according to claim 6, is characterized in that,
Described processing module, also for described the first measurement module being carried out to frequency after RSCP measurement after preferential frequencies list removes, is placed on last position in described non-preferential frequencies list by the frequency of carrying out after RSCP measurement.
9. the measurement mechanism of received signal code power according to claim 6, is characterized in that, described the second measurement module is specifically for carrying out following steps:
Steps d 1: judge in described non-preferential frequencies list whether have the frequency of not carrying out RSCP measurement a measuring period, if not, turn to steps d 2; If so, turn to steps d 3;
Steps d 2: the frequency in described non-preferential frequencies list is carried out to RSCP measurement successively according to putting in order of described non-preferential frequencies list medium frequency.
Steps d 3: upper one frequency of not carrying out RSCP measurement measuring period in described non-preferential frequencies list is carried out to RSCP measurement, according to putting in order of described non-preferential frequencies list medium frequency, other frequency in described non-preferential frequencies list is carried out to RSCP measurement afterwards.
10. the measurement mechanism of received signal code power according to claim 6, is characterized in that, described device also comprises:
Memory module, the RSCP value measuring for basis, by the frequency at place, top n RSCP Zhi Gao community according to the storing into from high to low in preferential frequencies list of RSCP value, and the from high to low frequency at other place, community is stored in non-preferential frequencies list according to RSCP value.
11. 1 kinds of user terminals, is characterized in that, comprise the measurement mechanism of the received signal code power as described in any one in claim 6-10.
CN201310051654.2A 2013-02-16 2013-02-16 Measuring method of received signal code power, device and user terminal Pending CN103997377A (en)

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