CN101304606B - Method and apparatus for regulating neighboring area frame shifting amount - Google Patents
Method and apparatus for regulating neighboring area frame shifting amount Download PDFInfo
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- CN101304606B CN101304606B CN2008100401783A CN200810040178A CN101304606B CN 101304606 B CN101304606 B CN 101304606B CN 2008100401783 A CN2008100401783 A CN 2008100401783A CN 200810040178 A CN200810040178 A CN 200810040178A CN 101304606 B CN101304606 B CN 101304606B
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Abstract
The invention discloses an adjusting method and a device of frame offset of adjacent areas, wherein, the method is that: the previous frame offset of the various adjacent areas is obtained, the analysis is carried out according to a preset frame offset cardinal number set, the previous various adjacent areas are subsumed to a subset of the frame offset cardinal number set, and the frame offset of the current adjacent areas is set according to the number of the adjacent areas which are subsumed to the subset; by adopting the method provided by the embodiment of the invention, the frame offset of the current adjacent areas can be adjusted according to the previous frame offset of the various adjacent areas, thereby optimizing the frame offset relationship in the adjacent areas, further reducing the time for a user to search the adjacent areas, improve the success rate of mobile phone switch in the conversation and optimizing the performances of a network.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the method for adjustment and the device of neighboring area frame shifting amount.
Background technology
Global system for mobile communications (GSM, Global System for Mobile Communications) is the modular system of an opening, and since 1992 put it into commercial operation, GSM standard was constantly verified, stable development.Along with the raising of Chinese national economy, earth-shaking variation is also taking place in people's the consumption consciousness, and the user is more and more higher to the requirement of mobile network property.
Handover success rate is to investigate an important indicator of mobile network property.In mobile subscriber's communication process, be unlikely to call drop in order to make call setup in best sub-district, guarantee to call out, introduced the notion of switching, in other words, switching is exactly to converse and can proceed when a sub-district moves to another sub-district in order to keep travelling carriage, to satisfy the needs of network management.
System depends on the report to downlink measurement that travelling carriage regularly sends to network to the judgement of switching, comprise from the measurement result of Serving cell with the relevant receptivity in adjacent sub-district, therefore, mobile phone is to reporting that the consuming time direct influence of the measurement of adjacent area is measured, and then influences handover success rate.
According to the research of mobile phone searching adjacent area process in the conversation, find that neighboring interval vertical shift relation has determined the consuming time of mobile phone searching adjacent area, influenced handover success rate on largely.Algorithm of the present invention is intended to optimize neighboring interval vertical shift relation, and the mobile phone searching adjacent area was consuming time during shortening was switched, and improved mobile phone success rate for switching in the conversation.
In present GSM communication system, neighboring area frame shifting is synchronous or sets at random.
The inventor finds under study for action, during mobile phone searching adjacent area in the conversation, because the mobile phone decoder timing is very limited, and the search of need lining up when a plurality of adjacent areas frame number is synchronous, decoding, consuming time very huge, thus easy call drop when causing the mobile phone switching.
If neighboring interval vertical shift relation takes random fashion to set, also will be owing to the setting of neighboring interval vertical shift relation does not reach optimization and additionally increase the mobile phone searching time overhead, call drop probability when the increase mobile phone switches.
Summary of the invention
In view of this, the purpose of the embodiment of the invention is to provide the method and apparatus of neighboring area frame shifting amount adjustment, optimizes neighboring interval vertical shift relation.
For achieving the above object, the embodiment of the invention provides following technical scheme:
A kind of method of adjustment of neighboring area frame shifting amount is used to be provided with the frame shifting amount of k adjacent area, and k is a positive integer, comprising:
Obtain the frame shifting amount of an existing k-1 adjacent area;
Search default vertical shift radix set with the frame shifting amount of a described existing k-1 adjacent area, statistics falls into default vertical shift radix and gathers the number of the adjacent area of each subclass;
Choose the vertical shift radix of an element in the adjacent area number arbitrarily in less than the subclass of predetermined threshold value, determine the frame shifting amount of k adjacent area according to the vertical shift radix as k adjacent area.
A kind of adjusting device of neighboring area frame shifting amount is used to be provided with the frame shifting amount of k adjacent area, comprising:
The side-play amount acquiring unit is used to obtain the frame shifting amount of an existing k-1 adjacent area;
Statistic unit is used for searching default vertical shift radix set with the frame shifting amount of an existing k-1 adjacent area, and statistics falls into default vertical shift radix and gathers the number of the adjacent area of each subclass;
The unit is set, is used for choosing the vertical shift radix of an element arbitrarily less than the subclass of predetermined threshold value, determine the frame shifting amount of k adjacent area according to described vertical shift radix as k adjacent area in the adjacent area number.As seen, in embodiments of the present invention, obtain the frame shifting amount of previous each adjacent area, the default vertical shift radix set of contrast is analyzed, previous each adjacent area is included in the subclass of vertical shift radix set, the number of the adjacent area of being included into according to subclass is provided with the frame shifting amount of current adjacent area again, by the method that the embodiment of the invention provided, adjust the side-play amount of current adjacent area according to the frame shifting amount of previous each adjacent area, can realize adjustment, thereby optimize the vertical shift relation of neighboring interval, and then reduce the time of user search adjacent area neighboring area frame shifting amount, improve mobile phone success rate for switching in the conversation, optimized network performance.
Description of drawings
Fig. 1 is the scene schematic diagram of the embodiment of the invention;
Fig. 2 sends the pulse diagram for the mobile phone side;
Fig. 3 is the flow chart of the method that one embodiment of the invention provided;
Fig. 4 is the flow chart of the method that further embodiment of this invention provided;
Fig. 5 is different frame number skews mobile phone searching neighboring area emulation statistics consuming time down;
Fig. 6 is the structure chart of the device that one embodiment of the invention provided;
Fig. 7 is the structure chart of the device that further embodiment of this invention provided.
Embodiment
The method and apparatus that the embodiment of the invention provides neighboring area frame shifting amount to adjust, by adjusting the frame shifting amount of frame neighboring interval, the mobile phone searching adjacent area was consuming time during shortening was switched.
In order to understand the present invention better,, embodiments of the invention are described below in conjunction with accompanying drawing.
Referring to Fig. 1, in gsm system, mainly contain three network elements, portable terminal (MS), base station (BTS), base station controller (BSC), the neighboring interval vertical shift method of adjustment that the embodiment of the invention provided realizes in the BSC network element, by BSC the vertical shift control messages is sent to BTS, BTS sets up corresponding sub-district according to the vertical shift control messages.
According to the gsm system knowledge of eating dishes without rice or wine, we know that Traffic Channel is 26 multi-frames among the GSM, and signaling channel is 51 multi-frames, and the mobile phone one during the coprime property of having used this two number in the agreement guarantees to converse is finished the search to single adjacent area surely in the regular hour.
The mobile phone that moves needs to measure the signal of adjacent area in conversation, for switching is prepared.In order to measure the adjacent area, that will at first find the main B frequency of adjacent area, angle from the time-division, 8 channels are arranged in the mobile phone, mobile phone utilizes these 8 channels to receive simultaneously and launches in the conversation, and in the mobile phone communication, the time slot of these 8 channels does not exhaust, also remain some time slots, mobile phone utilizes these time slots to detect the main B frequency of adjacent area.
Referring to Fig. 2, Fig. 2 sends the pulse diagram for the mobile phone side, and 26 multi-frames occur in sequence, and that is to say that the 8th time slot of first multi-frame is first time slot of second multi-frame afterwards, and the like.Behind mobile phone communication, suppose that the burst (BP) that is used for slow associated control channel (SACCH) in the DPCH (TCH) that it takies is positioned at the 25BP position, promptly at the afterbody of a TCH multi-frame, the 12BP of this TCH is idle so.Can see that in conversation, mobile phone has more idle BP, specifically, 25 2BP, 1 12BP, 24 4BP be arranged.To such an extent as to but the period of 2BP too shortly can not do the adjacent area search during this period, the adjacent area search work is mainly carried out in 24 4BP and 1 12BP.That the twill among Fig. 2 is partly represented is exactly a 12BP.
According to 26 and 51 coprime property, research, reckoning can get, when the idle time slot that uses includes only a 12BP, mobile phone one searches an adjacent area surely in 11 26 reframing times, if but have two adjacent areas synchronous this moment, need mobile phone searching simultaneously, measure and give the correct time, mobile phone must add 11 26 reframing times just can finish the search of these two adjacent areas.
Same reason, if all adjacent area frame numbers are synchronous, so because mobile phone is used for the temporal conflict of searching neighboring area, mobile phone needs N 11 26 reframing times doubly just can finish the search of N adjacent area, mobile phone call drop when so being very easy to cause switching.If neighboring interval vertical shift relation takes mode at random to set, will not reach optimization owing to neighboring interval vertical shift relation is provided with yet, additionally increase mobile phone and search the net time overhead, call drop probability when increasing the mobile phone switching.
Two frame numbers are arranged in the gsm system, and one is the base station frame number, and another is the sub-district frame number.Individual frame shifting amount X is arranged between the two, relation is promptly arranged:
Sub-district frame number=base station frame number one frame shifting amount X
In the same base station, each sub-district is totally one base station frame number, and can to control each sub-district frame number identical or different by frame shifting amount X is set.
In the different base station, in general, each base station frame number is nonsynchronous, and each adjacent area that the mobile phone in the conversation relates to may be distributed in each base station, so the related base station frame number in each adjacent area be owing to the asynchronous frame shifting amount X that causes can't adjust, synchronously or eat dishes without rice or wine softly can realize that synchronously the frame number of different base station is synchronous by GPS.
On the synchronous basis of each base station frame number, each adjacent area only need be adjusted " frame shifting amount X ", thereby reach the purpose of adjustment " sub-district frame number " with " base station frame number ", is equivalent to the vertical shift relation of adjusting neighboring interval so adjust the frame shifting amount of adjacent area.
Referring to Fig. 3, the method for adjustment of the neighboring area frame shifting amount that the embodiment of the invention provides is used to be provided with the frame shifting amount of k adjacent area, may further comprise the steps:
K gets positive integer, and when k=1, the frame shifting amount of first corresponding adjacent area can be provided with arbitrarily.
Described predetermined threshold value is the maximum of predefined vertical shift radix set subclass, when the sub-district number that falls in certain subclass surpasses this threshold value, just no longer to this subset allocation sub-district.
Preferably, when adjacent area number when being a plurality of less than the subclass of predetermined threshold value, choose the minimum subclass of adjacent area number as the subclass of described adjacent area number less than predetermined threshold value, therefrom choose the vertical shift radix of an element more arbitrarily, determine the frame shifting amount of k adjacent area according to described vertical shift radix as k adjacent area.
Preferably, when number minimum subclass in adjacent area has when a plurality of, can therefrom choose a subclass arbitrarily as the subclass of described adjacent area number less than predetermined threshold value, therefrom choose the vertical shift radix of an element more arbitrarily, determine the frame shifting amount of k adjacent area according to described vertical shift radix as k adjacent area.
Method by present embodiment provides can be provided with the frame shifting amount of k adjacent area, and in actual applications, according to the difference of default vertical shift radix set, the specific algorithm of present embodiment changes to some extent, but general thought is constant.
Be example with frame shifting amount to 102 modulo operations below,, the embodiment of the invention be described in detail referring to Fig. 4 with an existing k-1 adjacent area.
Step 401: the frame shifting amount FN that obtains existing each adjacent area
n, n ∈ 1...... (k-1).
In above-mentioned steps, what k represented is to k its frame shifting amount of cell setting, is provided with frame shifting amount FN for k-1 sub-district before this
1～FN
K-1So the span of n is 1～k-1 now.
Step 402: to all FN
nCarry out mould 102 computings, after the computing, obtain the value FN_table behind the delivery
n=FN
nMod102.
Step 403: the set of contrast vertical shift radix is analyzed, with all FN_table
nBe included into the subclass t of vertical shift radix set
iIn, i ∈ 1......11, and statistics Count
i
The set of vertical shift radix is designated as t, and it comprises 11 subclass, is designated as t respectively
1～t
11
Wherein, t
1The unit that subclass comprises have: 11,21,41,41,51,62,72,82,92,0; t
2The unit that subclass comprises have: 47,47,57,67,77,88,98,6,16,26; t
4The unit that subclass comprises have: 64,74,84,94,1,12,22,42,42,52; t
4The unit that subclass comprises have: 89,99,7,17,27,48,48,58,68,78; t
5The unit that subclass comprises have: 14,24,44,44,54,64,74,84,94,2; t
6The unit that subclass comprises have: 49,49,59,69,79,90,100,8,18,28; t
7The unit that subclass comprises have: 65,75,85,95,4,14,24,44,44,54; t
8The unit that subclass comprises have: 91,101,9,19,29,40,50,60,70,80; t
9The unit that subclass comprises have: 15,25,45,45,55,66,76,86,96,4; t
10The unit that subclass comprises have: 61,71,81,10,20,40; t
11The unit that subclass comprises have: 87,97,5,46,46,56.
Need to prove that above-mentioned set t only is an example.During when non-102 deliverys of employing or not to the side-play amount delivery, corresponding set t is different.
Wherein, Count
iBe a counter, expression be the quantity that adjacent sub-district is piled up in the same subclass of vertical shift radix set.Count
iSpan be nonnegative integer.For example, work as Count
i=0 o'clock, then expression did not also have the FN_table of adjacent sub-district vertical shift correspondence
nDrop into t
iIn; If Count
3=5 expressions have the FN_table of 5 neighboring area frame shifting correspondences
nDrop into t
4In.
Step 404: to all Count
iBy ascending sort.
Step 405: choose the Count of adjacent area number less than predetermined threshold value
i, at the subclass t of correspondence
iIn choose an element t arbitrarily
I, j, as this neighboring area frame shifting radix.
If a plurality of neighboring area frame shifting amounts fall into the same subclass of vertical shift radix set, then per 11 26 multi-frames of mobile phone in the conversation only can be finished the search work of a certain adjacent area wherein.If there be N adjacent area to fall into the same subclass of vertical shift radix set, then Tong Hua mobile phone must could guarantee to finish the search to this N adjacent area at N times 11 26 multi-frames.
If each neighboring area frame shifting amount drops in the different subclass of vertical shift radix set, then the mobile phone in the conversation only needs 11 26 multi-frames just can finish search work to these adjacent areas.In other words, if each neighboring area frame shifting amount does not fall into the same subclass of vertical shift radix set, then the mobile phone in the conversation can be that granularity is finished the search to each sub-district with 11 26 multi-frames.
So, in step 405, choose the Count of adjacent area number less than predetermined threshold value
i, because the adjacent area number is less than the Count of predetermined threshold value
iComparatively idle in the corresponding subclass, the adjacent area is less.
Preferably, can choose the adjacent area number less than number minimum Count in adjacent area in the predetermined threshold value subclass
iThe most idle in the corresponding subclass, certainly, it is minimum side by side several subclass to occur, at this moment, can choose any one element t in any one subclass in the subclass of minimum arranged side by side
I, jAs this neighboring area frame shifting radix.
The subclass t of vertical shift radix set
iElement t
I, jMiddle i, j have following relation restriction: subclass t
1～subclass t
9In element t
I, jThe span of j be 1～10; Subclass t
10With subclass t
11In element t
I, jThe span of j be 1～6.
Step 406: get FN_table
k=t
I, j, then the optimization vertical shift of current adjacent area is FN
k=FN_table
k+ 102*m, wherein m is a nonnegative integer.
The embodiment of the invention is by adjusting the frame shifting amount of adjacent area, make the main B of each adjacent area to be searched occur " evenly distributing " opportunity, promptly stagger mutually with mobile phone in each 12BP opportunity " collision ", avoid mobile phone to occur too much adjacent area master B opportunity simultaneously to the full extent at the 12BP that is used for searching neighboring area, and the main B information of these adjacent areas is just waiting for that mobile phone search, measurement report this moment, the adjacent sub-district of mobile phone searching was consuming time during thereby shortening was switched, and then reached the purpose of optimization searching time.
Referring to Fig. 5, in order to embody the effect of the method that the embodiment of the invention provides, by emulation the method that the embodiment of the invention provided and the method for prior art are compared, among the figure, the mobile phone searching adjacent area was consuming time when the bar post of label 1 correspondence represented to adopt existing frame number method for synchronous, the mobile phone searching adjacent area was consuming time when the bar post of label 2 correspondences represented to adopt existing frame number random device, and the mobile phone searching adjacent area was consuming time when the bar post of label 3 correspondences represented to adopt the method that the embodiment of the invention provides.As can be seen from the figure, adjacent area frame number synchronous situation is worst, and in the case, the mobile phone searching adjacent area is consuming time huge, and under 32 adjacent area situations, the mobile phone in the conversation is finished all adjacent areas and searched for 42.24 seconds consuming time, very easily causes mobile phone call drop when switching; Under 32 adjacent areas, the adjacent area frame number random case, the mobile phone in the conversation is finished all adjacent areas and was searched for about 7.78 seconds consuming time; And through after this algorithm optimization, the adjustment, under the square one 3.96 seconds only consuming time, be 9.4% under the frame number synchronous situation, under the frame number random case 50.9%, this shows, this algorithm greatly shortened switch in mobile phone searching adjacent area consuming time, improved mobile phone success rate for switching in the conversation, optimized network performance.
Embodiment is corresponding with method, and the embodiment of the invention also is provided for the device of neighboring interval vertical shift, and this device can be the functional entity that is arranged in BSC, also can be exactly BSC equipment itself, specifically can be realized by software, hardware or software and hardware combining.
Referring to Fig. 6, this device comprises:
Side-play amount acquiring unit 601 is used to obtain the frame shifting amount of an existing k-1 adjacent area;
Wherein, k gets positive integer, and when k=1, the frame shifting amount of first corresponding adjacent area can be provided with arbitrarily.
Preferably, described device can also comprise:
The statistics control unit is used for controlling described statistic unit from wherein choosing arbitrary element as this neighboring area frame shifting radix arbitrary subclass when described adjacent area number when being a plurality of less than the subclass of predetermined threshold value.
Sequencing unit is used for the adjacent area number that falls into each subclass is carried out ascending order or descending, to determine the subclass of adjacent area number less than predetermined threshold value.
Device by present embodiment provides can be provided with the frame shifting amount of k adjacent area, and in actual applications, according to the difference of default vertical shift radix set, concrete device changes to some extent.
Referring to Fig. 7, when the computing of the frame shifting amount of an existing k-1 adjacent area being done to 102 deliverys, and adopt corresponding vertical shift radix table to carry out neighboring area frame shifting amount when being provided with, described device comprises:
Side-play amount acquiring unit 701 is used to obtain the frame shifting amount FN of existing each adjacent area
n, n ∈ 1...... (k-1);
The set of vertical shift radix is designated as t, and it comprises 11 subclass, is designated as t respectively
1～t
11Wherein, t
1The unit that subclass comprises have: 11,21,31,41,51,62,72,82,92,0; t
2The unit that subclass comprises have: 37,47,57,67,77,88,98,6,16,26; t
3The unit that subclass comprises have: 63,73,83,93,1,12,22,32,42,52; t
4The unit that subclass comprises have: 89,99,7,17,27,38,48,58,68,78; t
5The unit that subclass comprises have: 13,23,33,43,53,64,74,84,94,2; t
6The unit that subclass comprises have: 39,49,59,69,79,90,100,8,18,28; t
7The unit that subclass comprises have: 65,75,85,95,3,14,24,34,44,54; t
8The unit that subclass comprises have: 91,101,9,19,29,40,50,60,70,80; t
9The unit that subclass comprises have: 15,25,35,45,55,66,76,86,96,4; t
10The unit that subclass comprises have: 61,71,81,10,20,30; t
11The unit that subclass comprises have: 87,97,5,36,46,56.
Wherein, Count
iBe a counter, expression be the quantity that adjacent sub-district is piled up in the same subclass of vertical shift radix set.Count
iSpan be nonnegative integer.For example, work as Count
i=0 o'clock, then expression did not also have the FN_table of adjacent sub-district vertical shift correspondence
nDrop into t
iIn; If Count
3=5 expressions have the FN_table of 5 neighboring area frame shifting correspondences
nDrop into t
3In.
If a plurality of neighboring area frame shifting amounts fall into the same subclass of vertical shift radix set, then per 11 26 multi-frames of mobile phone in the conversation only can be finished the search work of a certain adjacent area wherein.If there be N adjacent area to fall into the same subclass of vertical shift radix set, then Tong Hua mobile phone must could guarantee to finish the search to this N adjacent area at N times 11 26 multi-frames.
If each neighboring area frame shifting amount drops in the different subclass of vertical shift radix set, then the mobile phone in the conversation only needs 11 26 multi-frames just can finish search work to these adjacent areas.In other words, if each neighboring area frame shifting amount does not fall into the same subclass of vertical shift radix set, then the mobile phone in the conversation can be that granularity is finished the search to each sub-district with 11 26 multi-frames.
The subclass t of vertical shift radix set
iElement t
I, jMiddle i, j have following relation restriction: subclass t
1～subclass t
9In element t
I, jThe span of j be 1～10; Subclass t
10With subclass t
11In element t
I, jThe span of j be 1～6.
By the device that present embodiment provided, can realize adjustment, thereby optimize the vertical shift relation of neighboring interval, and then reduce the time of user search adjacent area neighboring area frame shifting amount, improved mobile phone success rate for switching in the conversation, optimized network performance.
One of ordinary skill in the art will appreciate that, the process of realization the foregoing description vertical shift method of adjustment can be finished by the relevant hardware of program command, described program can be stored in the read/write memory medium, and this program is carried out the corresponding step in the said method when carrying out.Described storage medium can be as ROM/RAM, magnetic disc, CD etc.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. the method for adjustment of a neighboring area frame shifting amount is characterized in that, is used to be provided with the frame shifting amount of k adjacent area, and k is a positive integer, comprising:
Obtain the frame shifting amount of an existing k-1 adjacent area;
Search default vertical shift radix set with the frame shifting amount of a described existing k-1 adjacent area, statistics falls into default vertical shift radix and gathers the number of the adjacent area of each subclass;
Choose the vertical shift radix of an element in the adjacent area number arbitrarily in less than the subclass of predetermined threshold value, determine the frame shifting amount of k adjacent area according to the vertical shift radix as k adjacent area.
2. method according to claim 1 is characterized in that, the described frame shifting amount that obtains an existing k-1 adjacent area also comprises afterwards:
Frame shifting amount FN to existing k-1 adjacent area
nCarry out mould 102 computings, behind the modulo operation, obtain the value FN_table behind the delivery
n=FN
nMod102, n ∈ 1...... (k-1);
Described frame shifting amount with a described existing k-1 adjacent area is searched the set of default vertical shift radix, and statistics falls into default vertical shift radix and gathers the number of the adjacent area of each subclass and comprise:
With all FN_table
nBe included into the subclass t of vertical shift radix set
iIn, i ∈ 1......11, and add up the number Count of the adjacent area that falls in each subclass
i, Count wherein
iBe nonnegative integer;
Describedly choose the vertical shift radix of an element arbitrarily in less than the subclass of predetermined threshold value, determine that according to the vertical shift radix frame shifting amount of k adjacent area comprises as k adjacent area in the adjacent area number:
Choose the Count of adjacent area number less than predetermined threshold value
i, at the subclass t of correspondence
iIn choose an element t arbitrarily
I, j, as this neighboring area frame shifting radix;
Get the vertical shift radix FN_table of k adjacent area
k=t
I, j, the frame shifting amount FN of k adjacent area then
k=FN_table
k+ 102*m, wherein m is a nonnegative integer.
3. method according to claim 2 is characterized in that, described vertical shift radix set comprises 11 subclass, is designated as t respectively
1～t
11, wherein:
t
1The unit that subclass comprises have: 11,21,31,41,51,62,72,82,92,0;
t
2The unit that subclass comprises have: 37,47,57,67,77,88,98,6,16,26;
t
3The unit that subclass comprises have: 63,73,83,93,1,12,22,32,42,52;
t
4The unit that subclass comprises have: 89,99,7,17,27,38,48,58,68,78;
t
5The unit that subclass comprises have: 13,23,33,43,53,64,74,84,94,2;
t
6The unit that subclass comprises have: 39,49,59,69,79,90,100,8,18,28;
t
7The unit that subclass comprises have: 65,75,85,95,3,14,24,34,44,54;
t
8The unit that subclass comprises have: 91,101,9,19,29,40,50,60,70,80;
t
9The unit that subclass comprises have: 15,25,35,45,55,66,76,86,96,4;
t
10The unit that subclass comprises have: 61,71,81,10,20,30;
t
11The unit that subclass comprises have: 87,97,5,36,46,56.
4. method according to claim 1 and 2 is characterized in that, the adjacent area number is the minimum subclass of adjacent area number less than the subclass of predetermined threshold value.
5. method according to claim 4 is characterized in that, when number minimum subclass in described adjacent area when being a plurality of, therefrom chooses a subclass arbitrarily as the minimum subclass of adjacent area number.
6. the adjusting device of a neighboring area frame shifting amount is characterized in that, is used to be provided with the frame shifting amount of k adjacent area, comprising:
The side-play amount acquiring unit is used to obtain the frame shifting amount of an existing k-1 adjacent area;
Statistic unit is used for searching default vertical shift radix set with the frame shifting amount of an existing k-1 adjacent area, and statistics falls into default vertical shift radix and gathers the number of the adjacent area of each subclass;
The unit is set, is used for choosing the vertical shift radix of an element arbitrarily less than the subclass of predetermined threshold value, determine the frame shifting amount of k adjacent area according to described vertical shift radix as k adjacent area in the adjacent area number.
7. device according to claim 6 is characterized in that, also comprises:
The delivery unit is used for the frame shifting amount of existing k-1 adjacent area is carried out mould 102 computings, behind the modulo operation, obtains the value FN_table behind the delivery
n=FN
nMod102, n ∈ 1...... (k-1);
Described statistic unit is used for each FN_table
nThe set of contrast vertical shift radix is analyzed, with all FN_table
nBe included into the subclass t of vertical shift radix set
iIn, i ∈ 1......11, and add up the number Count of the adjacent area that falls in each subclass
i, Count wherein
iBe nonnegative integer;
The described unit that is provided with is used to choose the Count less than predetermined threshold value
i, at the subclass t of correspondence
iIn choose an element t arbitrarily
I, j, get FN_table
k=t
I, j, as this neighboring area frame shifting radix, then the frame shifting amount of k adjacent area is FN
k=FN_table
k+ 102*m, wherein m is a nonnegative integer.
8. according to arbitrary described device in the claim 6～7, it is characterized in that described device is a base station controller, perhaps, described device is the functional entity that is arranged in base station controller.
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| CN102984794B (en) * | 2011-09-05 | 2017-11-07 | 中兴通讯股份有限公司 | Method, system, base station and terminal that a kind of multicast system data are sent |
| CN106332168B (en) * | 2015-06-30 | 2019-12-27 | 展讯通信（上海）有限公司 | Synchronous data measuring method and mobile terminal |
| CN108632791B (en) * | 2017-03-23 | 2021-06-08 | 展讯通信（上海）有限公司 | Bluetooth master device and service configuration method |
| CN110611942B (en) * | 2019-09-11 | 2020-09-11 | 南京中科晶上通信技术有限公司 | Cell reselection method and device of satellite terminal in low power consumption mode and storage medium |
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|---|---|---|---|---|
| CN1612513A (en) * | 2003-10-27 | 2005-05-04 | 华为技术有限公司 | Adjacent set generating method |
| CN1787414A (en) * | 2004-12-07 | 2006-06-14 | 大唐移动通信设备有限公司 | Method for realizing optimizing code planning CDMA system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1612513A (en) * | 2003-10-27 | 2005-05-04 | 华为技术有限公司 | Adjacent set generating method |
| CN1787414A (en) * | 2004-12-07 | 2006-06-14 | 大唐移动通信设备有限公司 | Method for realizing optimizing code planning CDMA system |
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| CN101304606A (en) | 2008-11-12 |
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