CN101378574A - Method for searching neighboring area signal and mobile terminal - Google Patents
Method for searching neighboring area signal and mobile terminal Download PDFInfo
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- CN101378574A CN101378574A CNA2008101668363A CN200810166836A CN101378574A CN 101378574 A CN101378574 A CN 101378574A CN A2008101668363 A CNA2008101668363 A CN A2008101668363A CN 200810166836 A CN200810166836 A CN 200810166836A CN 101378574 A CN101378574 A CN 101378574A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W48/20—Selecting an access point
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Abstract
The embodiment of the invention discloses a method and a mobile terminal for searching a signal of an adjacent region. The method comprises the following steps: the mobile terminal configures the priority level of the adjacent region according to the priority scheduling and searching algorithm; and the mobile terminal searches the signal of the adjacent region according to the priority level of the adjacent region. The embodiment of the invention provides a method for searching the signal of the adjacent region; the mobile terminal configures the priority level of the adjacent region according to the priority scheduling and searching algorithm, namely, the mobile terminal configures the adjacent region with a stronger signal to be the high priority level according to the priority scheduling and searching algorithm, thereby ensuring the adjacent region with a stronger signal to have the high priority level; and the signal of the adjacent region is searched according to the priority level sequence of the adjacent region, thereby realizing that the mobile terminal timely captures the strong adjacent region signal with the high priority level.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and portable terminal of searching neighboring area signal.
Background technology
Portable terminal is once activating in the communication process, and the meeting continuous monitoring also keeps four groups of adjacent areas set: Active Set, Candidate Set, adjacent area collection and residual set.Active Set refers to that portable terminal set up the neighboring area signal set of Traffic Channel with system; Also be not in Active Set before the Candidate Set feeling the pulse with the finger-tip, but signal strength signal intensity has enough been set up the neighboring area signal set of Traffic Channel; The adjacent area collection refers to not be in Active Set and Candidate Set, but the neighboring area signal that in switching, might be used to set; Residual set is except that Active Set, Candidate Set, all possible adjacent area set outside the collection of adjacent area.Portable terminal is once activating in the communication process, can continuous monitoring monitor the variation of the signal strength signal intensity of adjacent area on every side, catches the adjacent area of strong signal, in time strong signal is moved on in Active Set or the Candidate Set.Carrying out neighboring area signal when search at present, portable terminal all is that equality is treated to all adjacent areas, and promptly all adjacent areas have identical priority, and portable terminal can be caught the adjacent area of strong signal according to the Neighboring Cell List signal strength signal intensity of searching neighboring area one by one successively.If the adjacent area number is many more, the every search one of portable terminal takes turns that adjacent area pilot signal required time is big more, and search efficiency is low, can cause portable terminal in time to capture strong neighboring area signal and causes call drop.
In order to address the above problem, adopted system side that the method for the priority between the adjacent area is set, system side calculates the statistical value of all adjacent area intensity in the Neighboring Cell List according to the measurement report of all portable terminals, the priority of all adjacent areas is set according to this statistical value, to sort according to the big young pathbreaker's Neighboring Cell List of priority of adjacent domain then, and suitably reduce the low adjacent area of priority, and be handed down to portable terminal, instruct portable terminal according to the Neighboring Cell List searching neighboring area signal.Can reduce the adjacent area number like this, improve wireless terminal adjacent area search efficiency.
In realizing process of the present invention, the inventor finds to exist following shortcoming:
The priority of adjacent domain of system side setting is a general performance of priority of adjacent domain, but because wireless transmission circumstance complication, the priority of adjacent domain of system side setting may and be not suitable for the situation of some wireless terminals, promptly because the influence of wireless transmission environment, be that the adjacent area of strong signal not necessarily has a high priority for certain portable terminal in the Neighboring Cell List of system side setting, system side configuring adjacent cell priority can cause some portable terminal can't in time catch strong signal adjacent area.
Summary of the invention
The embodiment of the invention provides a kind of method and portable terminal of searching neighboring area signal, realizes in time catching of strong signal adjacent area.
The embodiment of the invention provides a kind of method of searching neighboring area signal, may further comprise the steps:
Portable terminal is according to the priority of priority scheduling searching algorithm configuring adjacent cell;
Described portable terminal is searched for described neighboring area signal according to the priority of described adjacent area.
The embodiment of the invention provides a kind of portable terminal, comprising:
Dispensing unit is used for the priority according to priority scheduling searching algorithm configuring adjacent cell;
Search unit is used for searching for described neighboring area signal according to the priority of the adjacent area of described dispensing unit configuration.
In the embodiments of the invention, a kind of method of searching neighboring area signal is provided, the priority of system side configuration is to gather according to the adjacent area ionization meter report of all mobile terminal reportings to draw in the prior art, but because the influence of wireless transmission environment, the high priority adjacent area of system side configuration might not be strong signal adjacent area with respect to some portable terminals, and adopt the priority of portable terminal itself among the present invention according to priority scheduling searching algorithm configuring adjacent cell, be portable terminal itself according to the priority scheduling searching algorithm be high priority with the neighbor cell configuration of strong signal, thereby guaranteed that strong signal adjacent area necessarily has high priority, and according to priority of adjacent domain sequential search neighboring area signal, thereby realized that portable terminal in time catches the strong neighboring area signal with high priority.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of a kind of searching neighboring area signal in the embodiment of the invention 1;
Fig. 2 is the method flow diagram of a kind of searching neighboring area signal in the embodiment of the invention 2;
Fig. 3 is a kind of mobile terminal structure figure in the embodiment of the invention 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention 1 provides a kind of method of searching neighboring area signal, as shown in Figure 1, may further comprise the steps:
Portable terminal can have following four kinds of forms according to the priority of priority scheduling searching algorithm configuring adjacent cell: the priority that disposes described adjacent area according to the signal strength signal intensity of described adjacent area, promptly improve the priority of the adjacent area that signal strength signal intensity strengthens in the described adjacent area, reduce the priority of the adjacent area of signal strength weakening in the described adjacent area; Perhaps variation and the searched number of times according to the signal strength signal intensity of adjacent area disposes the priority of described adjacent area, promptly reduces the priority of the adjacent area that searched number of times increases in the adjacent area; Perhaps dispose the priority of described adjacent area, promptly reduce the priority of the adjacent area that increase service time in the described adjacent area according to the service time of described adjacent area; Perhaps dispose the priority of described adjacent area according to the service stand-by period of described adjacent area.Promptly improve the priority of the adjacent area that the service stand-by period increases in the described adjacent area.
In addition, the priority scheduling searching algorithm of portable terminal also can be the combination in any of above four kinds of citation forms.
Portable terminal can be adjusted the search of neighboring area signal according to the priority of adjacent area, a kind of mode: do not adopt to keep four groups of signal set (Active Sets, Candidate Set, adjacent area collection and residual set) mode, specify by system, also can specify a N value by portable terminal, take turns one and only search for the preceding high adjacent area of priority, N position in the search of adjacent area, other adjacent area is taken turns in the search at this and is not searched for.Another kind of mode: adopt to keep four groups of adjacent area set (Active Sets, Candidate Set, adjacent area collection and residual set) mode, the neighboring area signal of high priority is moved on in the Candidate Set, the neighboring area signal of low priority is moved on in the residual set, search for described neighboring area signal according to the search rule of adjacent area set in the prior art adjacent area then, thereby guarantee that the high neighboring area signal of priority can be moved terminal and preferentially and fast search.
In the embodiments of the invention 1, a kind of method of searching neighboring area signal is provided, the priority of system side configuration is to gather according to the adjacent area ionization meter report of all mobile terminal reportings to draw in the prior art, but because the influence of wireless transmission environment, the high priority adjacent area of system side configuration might not be strong signal adjacent area with respect to some portable terminals, and adopt the priority of portable terminal itself among the present invention according to priority scheduling searching algorithm configuring adjacent cell, be portable terminal itself according to the priority scheduling searching algorithm be high priority with the neighbor cell configuration of strong signal, thereby guaranteed that strong signal adjacent area necessarily has high priority, and according to priority of adjacent domain sequential search neighboring area signal, thereby realized that portable terminal in time catches the strong neighboring area signal with high priority.
The embodiment of the invention 2 provides a kind of method of searching neighboring area signal, as shown in Figure 2, may further comprise the steps:
Portable terminal obtains Neighboring Cell List from system message, according to described Neighboring Cell List initialization priority of adjacent domain information.The method of initialization priority of adjacent domain information can be that the priority with the adjacent area all reinitializes, and assignment is the same initial value.Also can be the not initialization of adjacent area of having write down in the portable terminal, keep original priority, to the adjacent area that increases newly, assignment be an initial value.
The method that portable terminal obtains neighboring area signal intensity can be to search for all neighboring area signals successively according to the order of Neighboring Cell List, obtains the signal strength information of all adjacent areas.Also can be the neighboring area signal that increases newly in the first search Neighboring Cell List, obtain the neighboring area signal intensity increase newly, the adjacent area of having write down in the search terminal again obtains the signal strength information that writes down the adjacent area afterwards.Pre-set the priority of adjacent area according to the signal strength information of all adjacent areas, the priority of adjacent domain that signal strength signal intensity is strong more is high more, and the weak more priority of adjacent domain of signal strength signal intensity is low more, and promptly the priority of adjacent area height is directly proportional with the power of neighboring area signal.
The priority of mobile terminal configuration adjacent area is adjusted the priority of this adjacent area according to the signal strength signal intensity of adjacent area with to the searching times of neighboring area signal, guarantees that neighboring area signal is strong more, and priority is high more; The searched number of times in adjacent area is many more, and priority reduces.The searched number of times in adjacent area is many more, the reason that priority reduces is in order to guarantee that the mobile terminal to search adjacent area obtains certain fairness of service quality, if certain adjacent area is because signal strength signal intensity is bigger, but there are not much variations for a long time, by force to moving in Active Set or the Candidate Set, the long-time like this high priority that occupies, can cause other adjacent area in time not searched for, so in order to guarantee the fairness of search dispatching, can add the searched number of times in adjacent area in the priority scheduling algorithm increases, the setting that priority reduces, so just guaranteed that certain portable terminal can only not search for certain strong signal adjacent area for a long time, and causing some other adjacent area to wait as long for, search is not scheduled.Certainly, also can use service time and service stand-by period to adjust priority of adjacent domain, if increase the service time of adjacent area, then priority reduces, and be the adjacent area provides business service to portable terminal time service time; If the service stand-by period of adjacent area increases, then priority improves, and the service stand-by period is wait for the adjacent area provides business service to portable terminal time.
The portable terminal adjacent area number that the adjacent area search is taken turns in restriction one in monitoring neighboring area signal process guarantees to take turns the adjacent area that a search priority in the search of adjacent area comes top n one, if the N value is 6, then a search priority comes preceding 6 neighboring area signal.The N value can be specified by system, also can be specified by portable terminal.
In the signal search process of this top n adjacent area,, then can turn down the priority of this adjacent area if portable terminal finds that certain neighboring area signal Strength Changes tends to weaken or remain unchanged continuously; If portable terminal finds that certain neighboring area signal Strength Changes tends to strengthen continuously, then can heighten the priority of this adjacent area.
It is also conceivable that the neighboring area signal with high priority moves on in the Candidate Set, the neighboring area signal of low priority is moved on in the residual set, thereby guarantee that the high neighboring area signal of priority can be moved terminal and preferentially and fast search, improve adjacent area collection search efficiency on the whole greatly.
In the embodiments of the invention 2, a kind of method of searching neighboring area signal is provided, the priority of system side configuration is to gather according to the adjacent area ionization meter report of all mobile terminal reportings to draw in the prior art, but because the influence of wireless transmission environment, the high priority adjacent area of system side configuration might not be strong signal adjacent area with respect to some portable terminals, and adopt the priority of portable terminal itself among the present invention according to priority scheduling searching algorithm configuring adjacent cell, be portable terminal itself according to the priority scheduling searching algorithm be high priority with the neighbor cell configuration of strong signal, thereby guaranteed that strong signal adjacent area necessarily has high priority, and according to priority of adjacent domain sequential search neighboring area signal, thereby realized that portable terminal in time catches the strong neighboring area signal with high priority.
The embodiment of the invention 3 provides a kind of portable terminal, as shown in Figure 3, comprising:
Wherein, the device of described searching neighboring area signal can also comprise:
Wherein, the device of described searching neighboring area signal can also comprise:
Wherein, described dispensing unit 301 comprises: the first configuration subelement 305 is used for the priority according to the described adjacent area of variation configuration of the signal strength signal intensity of described adjacent area; Or the second configuration subelement 306, be used for disposing the priority of described adjacent area according to the variation and the searched number of times of the signal strength signal intensity of described adjacent area; Or the 3rd configuration subelement 307, be used for disposing the priority of described adjacent area according to the service time of described adjacent area; Or the 4th the configuration subelement 308, be used for disposing the priority of described adjacent area according to the service stand-by period of described adjacent area.
Wherein, the described first configuration subelement 305 specifically is used for improving the priority of the adjacent area that described adjacent area signal strength signal intensity strengthens, and reduces the priority of the adjacent area of signal strength weakening in the described adjacent area.
Wherein, the described second configuration subelement 306 specifically is used for reducing the priority of the adjacent area that the searched number of times in described adjacent area increases.
Wherein, described the 3rd configuration subelement 307 specifically is used for reducing the priority of the adjacent area that described adjacent area increases service time.
Wherein, described the 4th configuration subelement 308 specifically is used for improving the priority that the adjacent area of stand-by period increase is served in described adjacent area.
Wherein, described dispensing unit 302 comprises: the first search subelement 309 is used to search for described adjacent area medium priority and is higher than the neighboring area signal of setting thresholding; Or second the search subelement 310, be used for that described adjacent area medium priority is higher than the adjacent area of setting thresholding and move on to Candidate Set, described adjacent area medium priority is lower than the adjacent area of setting thresholding moves on in the residual set, search for described neighboring area signal according to the search rule of adjacent area set.
In the embodiments of the invention 3, a kind of portable terminal is provided, the priority of system side configuration is to gather according to the adjacent area ionization meter report of all mobile terminal reportings to draw in the prior art, but because the influence of wireless transmission environment, the high priority adjacent area of system side configuration might not be strong signal adjacent area with respect to some portable terminals, and adopt the priority of portable terminal itself among the present invention according to priority scheduling searching algorithm configuring adjacent cell, be portable terminal itself according to the priority scheduling searching algorithm be high priority with the neighbor cell configuration of strong signal, thereby guaranteed that strong signal adjacent area necessarily has high priority, and according to priority of adjacent domain sequential search neighboring area signal, thereby realized that portable terminal in time catches the strong neighboring area signal with high priority.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform, based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1, a kind of method of searching neighboring area signal is characterized in that, may further comprise the steps
Portable terminal is according to the priority of priority scheduling searching algorithm configuring adjacent cell;
Described portable terminal is searched for described neighboring area signal according to the priority of described adjacent area.
2, the method for claim 1 is characterized in that, before the priority of described portable terminal according to priority scheduling searching algorithm configuring adjacent cell, also comprises:
Described portable terminal is with the default high priority that is changed in the adjacent area that signal strength signal intensity is strong in the described adjacent area, with the default low priority that is changed in the adjacent area a little less than the signal strength signal intensity in the described adjacent area.
3, method as claimed in claim 2 is characterized in that, the adjacent area that described portable terminal is strong with signal strength signal intensity in the adjacent area is default to be changed to before the high priority, also comprises:
Described portable terminal with the priority of described adjacent area all assignment be initial value; Or
Described portable terminal remains unchanged the priority of the adjacent area of having write down in the described adjacent area, is initial value with the priority assignment of the adjacent area that increases newly in the described adjacent area.
4, the method for claim 1 is characterized in that, described priority according to priority scheduling searching algorithm configuring adjacent cell comprises:
Priority according to the described adjacent area of variation configuration of the signal strength signal intensity of described adjacent area; Or
Dispose the priority of described adjacent area according to the searched number of times of described adjacent area; Or
Dispose the priority of described adjacent area according to the service time of described adjacent area; Or
The service stand-by period according to described adjacent area is disposed the priority of described adjacent area.
5, method as claimed in claim 4, it is characterized in that, the priority of the described adjacent area of variation configuration of described signal strength signal intensity according to described adjacent area comprises: improve the priority of the adjacent area that signal strength signal intensity strengthens in the described adjacent area, reduce the priority of the adjacent area of signal strength weakening in the described adjacent area;
The priority that described searched number of times according to described adjacent area disposes described adjacent area comprises: the priority that reduces the adjacent area that searched number of times increases in the described adjacent area;
The priority that dispose described adjacent area described service time according to described adjacent area comprises: the priority that reduces the adjacent area that increase service time in the described adjacent area;
The priority that the described service stand-by period according to described adjacent area is disposed described adjacent area comprises: the priority that improves the adjacent area that the service stand-by period increases in the described adjacent area.
6, the method for claim 1 is characterized in that, described priority according to described adjacent area is searched for described neighboring area signal and comprised:
Search for the signal that described adjacent area medium priority is higher than the adjacent area of setting thresholding; Or
Described adjacent area medium priority is higher than the adjacent area of setting thresholding moves on in the Candidate Set, described adjacent area medium priority is lower than the adjacent area of setting thresholding moves on in the residual set, search for described neighboring area signal according to the search rule of adjacent area set.
7, a kind of portable terminal is characterized in that, comprising:
Dispensing unit is used for the priority according to priority scheduling searching algorithm configuring adjacent cell;
Search unit is used for searching for described neighboring area signal according to the priority of the adjacent area of described dispensing unit configuration.
8, portable terminal as claimed in claim 7 is characterized in that, also comprises:
Pre-set the unit, be used for before described dispensing unit disposes the priority of described adjacent area, with the default high priority that is changed in the adjacent area that signal strength signal intensity is strong in the described adjacent area, with the default low priority that is changed in the adjacent area a little less than the signal strength signal intensity in the described adjacent area.
9, portable terminal as claimed in claim 8 is characterized in that, also comprises:
Initialization unit is used for pre-seting before the unit pre-sets the priority of described adjacent area described, with the priority of described adjacent area all assignment be initial value; Or the priority of the adjacent area of having write down in the described adjacent area remained unchanged, be initial value with the priority assignment of the adjacent area that increases newly in the described adjacent area.
10, portable terminal as claimed in claim 7 is characterized in that, described dispensing unit comprises:
The first configuration subelement is used for the priority according to the described adjacent area of variation configuration of the signal strength signal intensity of described adjacent area; Or
Second disposes subelement, is used for disposing according to the searched number of times of described adjacent area the priority of described adjacent area; Or
The 3rd disposes subelement, is used for disposing according to the service time of described adjacent area the priority of described adjacent area; Or
The 4th configuration subelement is used for disposing the priority of described adjacent area according to the service stand-by period of described adjacent area.
11, portable terminal as claimed in claim 10 is characterized in that, the described first configuration subelement specifically is used for improving the priority of the adjacent area that described adjacent area signal strength signal intensity strengthens, and reduces the priority of the adjacent area of signal strength weakening in the described adjacent area;
The described second configuration subelement specifically is used for reducing the priority of the adjacent area that the searched number of times in described adjacent area increases;
Described the 3rd configuration subelement specifically is used for reducing the priority of the adjacent area that described adjacent area increases service time;
Described the 4th configuration subelement specifically is used for improving the priority that the adjacent area of stand-by period increase is served in described adjacent area.
12, portable terminal as claimed in claim 7 is characterized in that, described search unit comprises:
The first search subelement is used to search for the signal that described adjacent area medium priority is higher than the adjacent area of setting thresholding; Or
The second search subelement is used for that described adjacent area medium priority is higher than the adjacent area of setting thresholding and moves on to Candidate Set, described adjacent area medium priority is lower than the adjacent area of setting thresholding moves on in the residual set, searches for described neighboring area signal according to the search rule of adjacent area set.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101668363A CN101378574A (en) | 2008-09-26 | 2008-09-26 | Method for searching neighboring area signal and mobile terminal |
| PCT/CN2009/072136 WO2010034203A1 (en) | 2008-09-26 | 2009-06-04 | Mobile terminal and method for searching signals of adjacent cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101668363A CN101378574A (en) | 2008-09-26 | 2008-09-26 | Method for searching neighboring area signal and mobile terminal |
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| CN101378574A true CN101378574A (en) | 2009-03-04 |
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| CNA2008101668363A Pending CN101378574A (en) | 2008-09-26 | 2008-09-26 | Method for searching neighboring area signal and mobile terminal |
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| CN (1) | CN101378574A (en) |
| WO (1) | WO2010034203A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010034203A1 (en) * | 2008-09-26 | 2010-04-01 | 深圳华为通信技术有限公司 | Mobile terminal and method for searching signals of adjacent cells |
| WO2019075876A1 (en) * | 2017-10-20 | 2019-04-25 | 华为技术有限公司 | Resource scheduling method and terminal device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243278A (en) * | 2020-10-16 | 2021-01-19 | Oppo广东移动通信有限公司 | Cell search method, device, chip, mobile terminal and storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100557125B1 (en) * | 2003-09-01 | 2006-03-03 | 삼성전자주식회사 | Method and apparatus for generating handover neighbor list in cellular telecommunication system |
| KR100812391B1 (en) * | 2006-11-02 | 2008-03-11 | 주식회사 케이티프리텔 | Method and apparatus for optimzing neighbor list for handover management) |
| JP5082390B2 (en) * | 2006-11-03 | 2012-11-28 | 日本電気株式会社 | Mobile station mobility management method and apparatus in mobile communication system |
| CN101378574A (en) * | 2008-09-26 | 2009-03-04 | 华为技术有限公司 | Method for searching neighboring area signal and mobile terminal |
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2008
- 2008-09-26 CN CNA2008101668363A patent/CN101378574A/en active Pending
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- 2009-06-04 WO PCT/CN2009/072136 patent/WO2010034203A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010034203A1 (en) * | 2008-09-26 | 2010-04-01 | 深圳华为通信技术有限公司 | Mobile terminal and method for searching signals of adjacent cells |
| WO2019075876A1 (en) * | 2017-10-20 | 2019-04-25 | 华为技术有限公司 | Resource scheduling method and terminal device |
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| WO2010034203A1 (en) | 2010-04-01 |
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Application publication date: 20090304 |