CN101237707B - A method for detection inter-frequency interference cell in reselection or switching - Google Patents
A method for detection inter-frequency interference cell in reselection or switching Download PDFInfo
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- CN101237707B CN101237707B CN2008100824947A CN200810082494A CN101237707B CN 101237707 B CN101237707 B CN 101237707B CN 2008100824947 A CN2008100824947 A CN 2008100824947A CN 200810082494 A CN200810082494 A CN 200810082494A CN 101237707 B CN101237707 B CN 101237707B
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Abstract
The invention discloses a method used to detect same frequency interference cell during reselection or switching. The method comprises the following steps: a terminal which resides in a home cell periodically detects the measurement result of the received signal code power in an adjacent cell; if the terminal needs to carry out cell reselection or judges according to a network side command that cell switching is needed to carry out, the terminal retains the up to date measurement result of the received signal code power (RSCP) in the home cell; finally, all cells in the home cell sequenced according to an RSCP value are taken as the adjacent cells used for reselecting or switching an object cell.
Description
Technical field
This invention relates to mobile communication technology, and particularly eliminate with the frequency perturbation technique at the TD-SCDMA terminal in the 3G (Third Generation) Moblie technology, is exactly the method that detects inter-frequency interference cell in a kind of TD-SCDMA terminal gravity treatment or the handoff procedure specifically.
Background technology
In order to improve the availability of frequency spectrum and power system capacity, TD-SCDMA has adopted the identical networking scheme of N frequency.Though the identical networking scheme has improved the availability of frequency spectrum and power system capacity, introduced with disturbing frequently but for the descending task at terminal.
In the prior art; The adjacent cell relation information that the terminal can obtain Serving cell through the system message or the measurement control message of network terminal transmission; Thereby obtain the inter-frequency interference cell information of Serving cell, interference cancellation algorithm then can be passed through in the terminal, and the same frequency of eliminating the descending task in terminal disturbs.
But the terminal owing to also do not obtain the adjacent cell relation information of Target cell from network terminal, also just can't obtain the inter-frequency interference cell information of Target cell in carrying out district reselecting or handoff procedure.
As shown in Figure 1; District reselecting is carried out in the terminal decision, and obtain the adjacent cell relation information of Target cell from network terminal before, the terminal need receive the descending master scheduling block of information (MIB) of Target cell from network terminal; Scheduler module (SB); Measuring control information system messages such as (SIB12) under measuring control information under the broadcast idle mode (SIB11) or the broadcasting connection mode could determine whether can reside in the Target cell of this gravity treatment, and obtain the definite adjacent cell relation information of this Target cell.As shown in Figure 2, carry out in the direct-cut operation at the network requirement terminal, the terminal obtains the adjacent cell relation information of Target cell from network terminal before, terminal at first 1) the descending FPACH channel of decoding Target cell; 2) downlink data of receiving target sub-district, judge then with Target cell whether synchronous on, finally obtain the measurement control message of system, just can obtain the adjacent cell relation information of switching target small area.As shown in Figure 3; Carry out in the baton handover process at the network requirement terminal; Before obtaining the adjacent cell relation information of Target cell from network terminal, at first the decode downlink data of Target cell of terminal, judge then with Target cell whether synchronous on; The measurement control message of final acquisition system just can obtain the adjacent cell relation information of switching target small area.
Therefore; How to make the terminal in carrying out district reselecting or handoff procedure; Obtain from network terminal before the adjacent cell relation information of new Target cell, the problem that correctly obtains the inter-frequency interference cell information of Target cell becomes the correct decode system information in terminal so that the key of district reselecting or handover success.
Summary of the invention
The purpose of this invention is to provide a kind of method that is used for district reselecting or handoff procedure detection inter-frequency interference cell; To guarantee that the terminal is in carrying out district reselecting or handoff procedure; Can correctly obtain the inter-frequency interference cell information in district reselecting or the handoff procedure; Thereby offset with disturbing frequently, guarantee district reselecting or switch to carry out smoothly.
For realizing the object of the invention, the invention provides a kind of method that is used for district reselecting or handoff procedure detection inter-frequency interference cell, this method may further comprise the steps: step S1: the terminal is retained in received signal code power measurement result up-to-date on the former sub-district; Step S2: according to this up-to-date received signal code power measurement result, the information of adjacent cells of possible Target cell is confirmed at the terminal; Step S3: according to the information of adjacent cells of determined possible Target cell, the terminal obtains the inter-frequency interference cell of Target cell in gravity treatment or the handoff procedure.
Wherein according to this up-to-date received signal code power measurement result; The terminal confirms that the step of the inter-frequency interference cell information of Target cell can be: all identical with Target cell dominant frequency point on former sub-district sub-districts are sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell on the Target cell TS0 (not containing Target cell); All sub-districts on the former sub-district are sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell (not containing Target cell) on the non-TS0 time slot of Target cell;
Through technique scheme, the present invention has realized the terminal in carrying out reuse adoption process, obtain from network terminal to obtain the inter-frequency interference cell information of Target cell before the information of adjacent cells of Target cell, thereby correct decoding is from the system message of Target cell; In carrying out direct-cut operation, obtain from network terminal to obtain the inter-frequency interference cell information of Target cell before the adjacent cell relation information of Target cell, thus the downlink data of the FPACH channel of the Target cell of correctly decoding and correct receiving target sub-district; In carrying out the baton handover process, obtain from network terminal to obtain the inter-frequency interference cell information of Target cell before the adjacent cell relation information of Target cell, thus the downlink data of correct receiving target sub-district;
Thereby under the prerequisite that does not change present network and terminal interaction signaling, even without the information of adjacent cells that obtains Target cell from network terminal, the terminal still can detect effective inter-frequency interference cell, thereby correctly accomplishes district reselecting and task switching.
Description of drawings
Fig. 1 is a district reselecting schematic flow sheet in the prior art;
Fig. 2 is a direct-cut operation schematic flow sheet in sub-district in the prior art;
Fig. 3 is a baton handover schematic flow sheet in sub-district in the prior art;
Fig. 4 is the step sketch map according to the detection method of the inter-frequency interference cell that is used for district reselecting or handoff procedure of the present invention;
Fig. 5 is the practical implementation flow chart according to the detection method of the inter-frequency interference cell that is used for cell reselection process of the specific embodiment of the invention;
Fig. 6 is the practical implementation flow chart according to the detection method of the inter-frequency interference cell that is used for cell switch process of the specific embodiment of the invention.
Embodiment
To be described with reference to the accompanying drawings the present invention below.
The purpose of this invention is to provide the terminal in gravity treatment or handoff procedure, obtain the method for the inter-frequency interference cell information of Target cell, the following manner embodiment of the present invention can be passed through in this terminal:
I. in the resident process in former sub-district, the terminal obtains former adjacent cells of cells information, and periodically RSCP is carried out in these adjacent sub-districts and measure; The terminal also need be to these measurement result orderings, to obtain some inter-frequency interference cell information of former sub-district;
Before district reselecting taking place or switch, the terminal need keep the up-to-date RSCP measurement result in all tested RSCP sub-districts on the former sub-district;
II. in gravity treatment or handoff procedure, the terminal does not also obtain the information of adjacent cells of Target cell from network terminal, and the terminal can utilize former adjacent cells of cells information, obtains the inter-frequency interference cell of Target cell;
A) for district reselecting; The same frequency that needs the inter-frequency interference cell information of Target cell to offset decode system message disturbs; Can all identical with Target cell dominant frequency point on former sub-district sub-districts be sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell on the Target cell TS0;
B) for switching; Need the inter-frequency interference cell information of Target cell to offset decoding FPACH channel with the same frequency interference of interference and downlink data receiving frequently; Can all identical with Target cell dominant frequency point on former sub-district sub-districts be sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell on the Target cell TS0 (not containing Target cell); Can all sub-districts on the former sub-district be sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell (not containing Target cell) on the non-TS0 time slot of Target cell;
C) for district reselecting; The system information of Target cell is read through above-mentioned definite inter-frequency interference cell information in the terminal, thereby determines whether to reside in the Target cell of this gravity treatment; If can be resident, then can obtain the definite adjacent cell relation information of this Target cell through system message;
D) for switching; The FPACH channel and the downlink traffic channel of Target cell read at the terminal; Determine whether to go up this Target cell synchronously; If can be successfully synchronous, then can continue to utilize the inter-frequency interference cell information of the Target cell of acquisition, thereby the reading system measuring control information obtains the definite adjacent cell relation information of this Target cell;
A kind of detection method that is used for the inter-frequency interference cell of district reselecting or handoff procedure according to a particular embodiment of the invention; This method may further comprise the steps; As shown in Figure 4, its step S1: the terminal is retained in received signal code power measurement result up-to-date on the former sub-district; Step S2: according to this up-to-date received signal code power measurement result, the information of adjacent cells of Target cell is confirmed at the terminal; Step S3: according to the information of adjacent cells of determined Target cell, the terminal obtains the inter-frequency interference cell of Target cell.
Concrete steps S1 does; At first the terminal still resides in former sub-district; Obtain former system information of subdistricts or measuring control information from network terminal; Acquisition needs to measure the information of adjacent cells of received signal code power (RSCP), and terminal periodic property ground detects the measurement result of the received signal code power of adjacent sub-district, and stores up-to-date measurement result; Concrete steps S2 does, the terminal confirm to carry out district reselecting or according to network side order confirm that needs carry out the sub-district and switch, with the Target cell of gravity treatment or switching as Serving cell; The terminal can sequence preface according to up-to-date RSCP measurement result with all identical with Target cell dominant frequency point on former sub-district sub-districts, chooses several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell on the Target cell TS0 (not containing Target cell); Can all sub-districts on the former sub-district be sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell (not containing Target cell) on the non-TS0 time slot of Target cell; Concrete steps S3 does, for district reselecting, terminal this moment is based on this inter-frequency interference cell, and through coming correctly to receive the system information that network sends with interference cancellation algorithm frequently, the terminal obtains the inter-frequency interference cell of gravity treatment Target cell according to this system information; Switch for the sub-district; The terminal is at this moment based on this inter-frequency interference cell; Through coming correct decoding FPACH channel and downlink traffic channel with the frequency interference cancellation algorithm; If Target cell on the terminal synchronizes then can continue to utilize the inter-frequency interference cell information of the Target cell of acquisition, thereby the reading system measuring control information obtains the definite adjacent cell relation information of this Target cell;
In cordless communication network; The terminal can be provided with conditioned disjunction environment decision on every side according to system and whether carry out district reselecting, and as shown in Figure 1, carry out in the cell reselection process at the terminal in the prior art; Obtain in network terminal before the adjacent cell relation information of Target cell; Need the descending management information bank (MIB) of decoding Target cell, scheduler module (SB), measuring control information system messages such as (SIB12) under measuring control information under the broadcast idle mode (SIB11) or the broadcasting connection mode; Could determine whether can reside in the Target cell of this gravity treatment, and obtain the adjacent cell relation information of this Target cell; And if these system messages of correctly decoding, the inter-frequency interference cell information of acquisition Target cell earlier.
Can all identical with Target cell dominant frequency point on former sub-district sub-districts be sequenced preface according to up-to-date RSCP measurement result for this reason, choose the inter-frequency interference cell (do not contain Target cell) of several maximum sub-districts of RSCP measurement result as Target cell; The same frequency of offsetting decode system message disturbs, thereby guarantees that the terminal correctly understands system information.
In cordless communication network; Whether network terminal can will be switched according to the environment decision terminal that system be provided with around the conditioned disjunction, if the terminal is when system end receives the order that will switch, as shown in Figures 2 and 3; Fig. 2 for from network terminal receive be the order of direct-cut operation the time; Direct-cut operation schematic flow sheet in sub-district in the prior art, Fig. 3 for from network terminal receive be the order of baton handover the time, baton handover schematic flow sheet in sub-district in the prior art.
For direct-cut operation, carry out in the direct-cut operation at the network requirement terminal, the terminal obtains from network terminal to need 1 before the adjacent cell relation information of Target cell) the descending FPACH channel of decoding Target cell; 2) downlink data of receiving target sub-district, judge with Target cell whether synchronous on; 3) measurement control message that network side sends of correctly decoding obtains the real adjacent cell relation information of Target cell; The measurement control message of the FPACH channel of Target cell and the downlink data of correct receiving target sub-district and the network side of correctly decoding transmission if correctly decode, the necessary inter-frequency interference cell information that obtains Target cell earlier.Step is following: uplink synchronous (SYNCUL) sign indicating number is sent to Target cell in this terminal; Receive this uplink synchronous code at terminal when system after; Decoding physical access channel (FPACH) is if physical access channel (FPACH) receives successfully, and the terminal begins the downlink data of decoding, if terminal judges goes up network synchronously; The terminal then need receive measurement control message from network terminal, to obtain the definite information of adjacent cells of Target cell.Yet before this terminal will receive the information of adjacent cells of Target cell from network terminal, need the inter-frequency interference cell information of Target cell to offset the same frequency interference of decoding FPACH channel and the same frequency interference of downlink data receiving.
For this reason, the terminal can sequence preface according to up-to-date RSCP measurement result with all identical with Target cell dominant frequency point on former sub-district sub-districts, chooses several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell on the Target cell TS0 (not containing Target cell); Can all sub-districts on the former sub-district be sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell (not containing Target cell) on the non-TS0 time slot of Target cell; Offset the same frequency interference of descending task in the handoff procedure; Thereby guarantee that the terminal correctly understands FPACH channel and down channel; If can handover success; Then can continue to utilize the inter-frequency interference cell information of the Target cell of acquisition correctly to receive the measuring control information of network side, thereby obtain definite adjacent cell relation information.
For baton handover, carry out in the baton handover process at the network requirement terminal, obtain the adjacent cell relation information of Target cell from network terminal before, need the downlink data of decoding Target cell, judge with Target cell whether synchronous on.And if the downlink data of the Target cell of correctly decoding, must at first obtain the inter-frequency interference cell information of Target cell.Step is following: upstream data is sent to Target cell in this terminal, receives the downlink data of former sub-district simultaneously, and after through the time period that is provided with in advance, the terminal changes Target cell over to and sends upstream data and downlink data receiving; When terminal judges goes up Target cell synchronously, after the handover success, the terminal will receive measuring control information from network terminal, with obtain Target cell definite adjacent cell relation information.Yet before this terminal will receive the information of adjacent cells of Target cell from network terminal, need the inter-frequency interference cell information of Target cell to offset the same frequency interference of separating downlink data receiving.
For this reason, the terminal can sequence preface according to up-to-date RSCP measurement result with all identical with Target cell dominant frequency point on former sub-district sub-districts, chooses several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell on the Target cell TS0 (not containing Target cell); Can all sub-districts on the former sub-district be sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell (not containing Target cell) on the non-TS0 time slot of Target cell; Offset the same frequency interference of descending task in the handoff procedure; Thereby guarantee that the terminal correctly understands the down channel of Target cell; If can handover success; Then can continue to utilize the inter-frequency interference cell information of the Target cell of acquisition correctly to receive the measuring control information of network side, thereby obtain definite adjacent cell relation information.
To describe the concrete scheme implementation flow process that inter-frequency interference cell is selected in the cell reselection process below in detail, its concrete steps are as shown in Figure 5:
Step S11: the terminal resides in former sub-district, needs the information of adjacent cells of measure R SCP from the network terminal acquisition;
Step S12: according to network configuration, the RSCP of the adjacent sub-district of terminal periodic property scheduling measures;
Step S13: whether terminal judges need carry out district reselecting, if change S14; Otherwise, finish.
Step S14: the terminal is retained in RSCP measurement result up-to-date on the former sub-district, and these RSCP measurement results are sorted from big to small;
Step S15: with Target cell as Serving cell; Sorted RSCP measures the tabulation from former sub-district, chooses the some adjacent sub-districts identical with Target cell dominant frequency point, and therefrom obtains the inter-frequency interference cell (do not contain Target cell) of the maximum sub-district of some RSCP as the TS0 of Target cell.
Step S16: utilize with the frequency interference cancellation algorithm, read the system information of Target cell.Through system information, the terminal obtains adjacent cell relation information real on the Target cell.
Through all identical with Target cell dominant frequency point on former sub-district sub-districts are sequenced preface according to up-to-date RSCP measurement result, choose the inter-frequency interference cell of several maximum sub-districts of RSCP measurement result as Target cell; The same frequency of offsetting decode system message disturbs, thereby guarantees that the terminal correctly understands system information.
To describe the concrete scheme implementation flow chart that inter-frequency interference cell is selected when switching for the network requirement terminal below in detail, detailed step is as shown in Figure 6:
Step S21: the terminal resides in former sub-district, and the terminal needs the information of adjacent cells of measure R SCP from the network side acquisition;
Step S22: the terminal is according to network configuration, and the adjacent sub-district RSCP of periodic scheduling measures;
Step S23 judges whether the terminal receives networking command requirement switching.If change S24; Otherwise, finish.
Step S24: keep up-to-date sub-district RSCP measurement result once on the former sub-district, and according to the RSCP measurement result sub-district of sorting from big to small;
Step S25: all identical with Target cell dominant frequency point on former sub-district sub-districts are sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell on the Target cell TS0 (not containing Target cell); All sub-districts on the former sub-district are sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell (not containing Target cell) on the non-TS0 time slot of Target cell;
Step S26: judge if direct-cut operation changes S27; If S29 is changeed in baton handover.
Step S27: on Target cell, launch the SYNCUL sign indicating number, and pass through the inter-frequency interference cell information of the Target cell of acquisition, decoding FPACH;
Step S28: judge whether that FPACH receives successfully, if change S29; Otherwise, finish;
Step S29: the inter-frequency interference cell information of the Target cell that obtains is used as the demodulation downlink data, up to the information of adjacent cells of the Target cell of receiving the new configuration of network side;
To specify the method for district reselecting of the present invention and sub-district switching below through a concrete example.As shown in the table:
The terminal resides in the A sub-district, and the frequency of A is Freq1; The terminal can obtain sub-district A from the network information adjacent cell list does; (Freq1, C) (Freq1, D) (Freq1, F) (Freq2, B) (Freq2, E) (Freq2, G) (Freq2, H) (Freq3, I) (Freq3, J) (Freq4, K) (Freq4, and L) (Freq4, M)
The terminal during resident A sub-district, period measurement A, B, C, D, E, F, G, H, I, J, K, L, the received signal code power of M sub-district (RSCP) value;
Terminal judges should be initiated district reselecting to the B sub-district; Or the network requirement terminal switches to the B sub-district; At this moment,
For Target cell B, the last up-to-date RSCP measurement result of its dominant frequency point Freq2 ranking results from big to small is: B＞G＞H＞E;
For all sub-districts, up-to-date RSCP measurement result ranking results from big to small is:
B＞A＞G＞C＞D＞F＞H＞E＞I＞J＞K＞L＞M；
If gravity treatment is initiated to the B sub-district in the terminal,
On the B sub-district, do the system message decoding task so, the terminal can be according to G, H, and the priority orders of E is selected some sub-districts as the inter-frequency interference cell on the TS0;
If the network requirement terminal switches on the B sub-district, the FPACH decoding is done at the terminal on B or downlink data is separated timing, and the terminal can be according to G, H, and the priority orders of E is selected some sub-districts as the inter-frequency interference cell on the TS0; Can be according to A, G, C, D, F, H, E, I, J, K, L, the priority orders of M is selected several sub-districts as the inter-frequency interference cell on the non-TS0 time slot;
The present invention can be under the prerequisite that does not change present network and terminal interaction signaling, and even without the information of adjacent cells that obtains Target cell from network side, the terminal still can detect effective inter-frequency interference cell, thereby correctly accomplishes district reselecting and task switching.
Though the present invention has been carried out detailed description through some embodiments of the present invention; Yet the foregoing description is not to qualification of the present invention; Be to be understood that; Those skilled in the art combines the foregoing description that the present invention is done some change and improvement, also should fall in the disclosed scope of the present invention, and protection scope of the present invention should be as the criterion with the protection range that claim was limited.
Claims (5)
1. one kind is used for the method that district reselecting or handoff procedure detect inter-frequency interference cell, and this method may further comprise the steps:
Step S1: the terminal is retained in the up-to-date received signal code power measurement result who obtains its adjacent sub-district on the former sub-district;
Step S2: according to this up-to-date received signal code power measurement result, the information of adjacent cells of Target cell is confirmed at the terminal, and according to the information of adjacent cells of determined Target cell, the terminal obtains the inter-frequency interference cell of Target cell;
When said step S2 is the sub-district switching; All identical with Target cell dominant frequency point on former sub-district sub-districts are sequenced preface according to fresh signal sign indicating number power RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell on the Target cell TSO time slot; All sub-districts on the former sub-district are sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell on the non-TSO time slot of Target cell.
2. the method for detection inter-frequency interference cell according to claim 1; When it is characterized in that said step S2 is district reselecting; All identical with Target cell dominant frequency point on former sub-district sub-districts are sequenced preface according to up-to-date RSCP measurement result, choose several maximum sub-districts of RSCP measurement result as the inter-frequency interference cell on the Target cell TSO time slot.
3. the method for detection inter-frequency interference cell according to claim 2; It is characterized in that said step S2 is the system information that the terminal utilizes the inter-frequency interference cell information decoding network of described Target cell; And, obtain the real adjacent cell relation information of Target cell according to the system information on this Target cell.
4. the method for detection inter-frequency interference cell according to claim 1; It is characterized in that said step S2 is in the direct-cut operation; The terminal is launched after the uplink synchronous code on Target cell; Utilize the inter-frequency interference cell information decoding physical access channel and the down channel of described Target cell, whether terminal judges goes up Target cell synchronously, if synchronously; The measuring control information that continues to utilize the inter-frequency interference cell information decoding network of described Target cell to send obtains the real adjacent cell relation information of Target cell.
5. the method for detection inter-frequency interference cell according to claim 1; It is characterized in that in the said step S2 baton handover process; Before the information of adjacent cells of the new Target cell that disposes of network terminal is received at the terminal; Utilize the down channel of the inter-frequency interference cell information decoding fast target sub-district of described Target cell, whether terminal judges goes up Target cell synchronously, if synchronously; The measuring control information that continues to utilize the inter-frequency interference cell information decoding network of described Target cell to send obtains the real adjacent cell relation information of Target cell.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101605351B (en) * | 2009-06-25 | 2011-12-07 | 北京天碁科技有限公司 | Cell reselection processing method for mobile terminal and mobile terminal |
| CN102056127B (en) * | 2009-11-03 | 2013-06-26 | 杰脉通信技术(上海)有限公司 | Method for selecting same-frequency interference cell list on TDD UE side |
| CN102195670B (en) * | 2010-03-12 | 2014-03-05 | ***通信集团公司 | Same-frequency and multi-cell detection method and device |
| CN102378291A (en) * | 2010-08-27 | 2012-03-14 | 中兴通讯股份有限公司 | Cell reselection method and terminal device in TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) network |
| CN102448134B (en) * | 2010-10-12 | 2015-09-16 | ***通信集团广西有限公司 | A kind of method and system being switched to TD-SCDMA network fast |
| CN102547729B (en) * | 2010-12-08 | 2015-03-25 | 鼎桥通信技术有限公司 | Method and base station for restraining co-channel interference under high-speed railway networks and high-speed railway network system |
| CN103686771B (en) * | 2012-09-20 | 2018-02-02 | 深圳市中兴微电子技术有限公司 | A kind of device, method and terminal for configuring inter-frequency interference cell |
| CN103067961B (en) * | 2012-12-18 | 2015-10-28 | 上海大唐移动通信设备有限公司 | A kind of method and system detected with Pin Tongma community |
| CN104348565B (en) * | 2013-07-29 | 2016-09-28 | 意法-爱立信有限公司 | Interfered cell detection method and subscriber equipment |
| WO2016106716A1 (en) * | 2014-12-31 | 2016-07-07 | 华为技术有限公司 | Method, apparatus and terminal for determining reselection target cell |
| CN110430594B (en) * | 2019-08-12 | 2023-06-20 | 展讯通信（上海）有限公司 | Method and device for measuring unauthorized frequency |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326657A (en) * | 1998-11-16 | 2001-12-12 | 诺基亚网络有限公司 | Channel allocation method and cellular radio system |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326657A (en) * | 1998-11-16 | 2001-12-12 | 诺基亚网络有限公司 | Channel allocation method and cellular radio system |
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