CN1980465A - Non-switch-over triggering hand-set adjacent-area list renewing method - Google Patents
Non-switch-over triggering hand-set adjacent-area list renewing method Download PDFInfo
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- CN1980465A CN1980465A CNA2005101277510A CN200510127751A CN1980465A CN 1980465 A CN1980465 A CN 1980465A CN A2005101277510 A CNA2005101277510 A CN A2005101277510A CN 200510127751 A CN200510127751 A CN 200510127751A CN 1980465 A CN1980465 A CN 1980465A
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Abstract
This method includes the following steps. (1) During the non-switching state, the base station controller (BSC) sends periodically to handsets the lead frequency intensity (LFI) test instruction. (2) The handset tests LFI and reports the LFI test message to BSC. (3) According to the received LFI test message, BSC fetches the LFI of the handset activation set; arranges LFI in order and generates a neighbor cell list renewing message (NLRM). (4) BSC informs handsets of the generated NLRM to renew the neighbor cell info. This invention ensures handsets adapting rapidly the change of the radio environment. To renew handset neighbor cell list in time can prevent effectively from poor voice quality or interrupting due to the strong lead frequency from the neighbor cells.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of method of non-switch-over triggering hand-set adjacent-area list renewing.
Background technology
As everyone knows, CDMA is the self-interference system, in order to reduce co-channel interference, introduced soft hand-off, but the prerequisite of switching is that mobile phone must in time report the pilot frequency intensity of neighbor cell on every side, whether switch according to the pilot frequency intensity decision that reports by base station controller (BSC, Base Station Controller).
For the CDMA mobile phone, need to safeguard a Neighboring Cell List, in Neighboring Cell List, stored current adjacent area situation.Mobile phone is in standby, and BSC is by the current adjacent area situation of the Neighboring Cell List message on the paging channel (NLM, Neighbor List Message) notice mobile phone; Mobile phone on Traffic Channel in, BSC is by the current adjacent area situation of the adjacent-area list renewing message on the Traffic Channel (NLUM, NeighborList Update Message) notice mobile phone.On Traffic Channel, be to adopt adjacent-area list renewing message NLUM notice mobile phone for CDMAIS-95 (hereinafter to be referred as 95) system; Can adopt adjacent-area list renewing message NLUM for CDMA 1X system (hereinafter to be referred as 1X), also can adopt adjacent-area list renewing message ENLUM (Extended Neighbor List UpdateMessage) the notice mobile phone of expansion, ENLUM has increased a lot of functions than NLUM, but the basic function that both finish is consistent, for convenience of description, below be referred to as adjacent-area list renewing message NLUM.
CDMA air interface protocol regulation, the Neighboring Cell List of 95 mobile phones can be supported 20, the 1X mobile phone can be supported 40, but the wireless environment of reality is often extremely complicated, and therefore how in time notice mobile phone renewal Neighboring Cell List is extremely important in mobile environment.Usually system carries out adjacent-area list renewing when switching; but along with moving of mobile phone; before switching next time; great changes will take place in the adjacent area on every side; if Neighboring Cell List can't upgrade in time, strong pilot search can take place usually less than the situation that causes voice quality deterioration even call drop.
Therefore need a kind of method, in order in time to carry out the renewal of Neighboring Cell List when the non-switching according to adjacent-area list renewing message, accelerate the generation of switching, avoid changing and Neighboring Cell List still adopts the content of the Neighboring Cell List before the wireless environment variation because of wireless environment moves with mobile phone, better the pilot frequency information of monitoring neighbor cell avoids call drop or voice quality to descend.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method of non-switch-over triggering hand-set adjacent-area list renewing, when non-switching state, mainly the adjacent-area list renewing message that generates by the Active Set pilot frequency intensity that BSC is reported according to mobile phone sends to mobile phone, make mobile phone timely replacement Neighboring Cell List, in order to solve the strong pilot search of neighbor cell less than and the voice quality that causes worsens or the problem of call drop.
The invention provides a kind of method of non-switch-over triggering hand-set adjacent-area list renewing, be used for comprising the steps: at the cdma system hand-set adjacent-area list that upgrades in time
(1) base station controller greater than 1 and when being in non-switching state, regularly sends the pilot frequency intensity measuring instruction to mobile phone in the phone activated set number of pilots;
(2) after mobile phone was received this measurement instruction, measurement pilot frequency intensity also reported Pilot Strength Measurement Message to base station controller;
(3) base station controller obtains the pilot frequency intensity of phone activated set according to the Pilot Strength Measurement Message received, and the pilot frequency intensity back of sorting is generated adjacent-area list renewing message;
(4) base station controller gives mobile phone with the renewal neighboring BS information adjacent-area list renewing message informing that generates, and returns step (1).
This method can further include:
(5) the mobile phone number of pilots equals 1 and when being in non-switching state, keeps the current phone Neighboring Cell List.
The method of the invention can be applied in CDMA mobile phone communication state, when Active Set has a plurality of pilot tones and mobile phone to be in non-switching state, BSC is according to the variation of the pilot frequency intensity hand-set adjacent-area list message that upgrades in time, make the variation of mobile phone fast adaptation wireless environment, in time search for adjacent pilot frequencies, accelerate the process that mobile phone switches, the speech quality of avoiding strong pilot tone to search for causing worsens or call drop.
Description of drawings
Fig. 1 is the flow chart according to the method for the non-switch-over triggering hand-set adjacent-area list renewing of the embodiment of the invention;
Fig. 2 is the specific embodiments flow chart of method described in the embodiment of the invention.
Embodiment
The method of a kind of non-switch-over triggering hand-set adjacent-area list renewing provided by the invention is used for as shown in Figure 1, comprising the steps: at the cdma system hand-set adjacent-area list that upgrades in time
Step 101, base station controller greater than 1 and when being in non-switching state, regularly send the pilot frequency intensity measuring instruction to mobile phone in the mobile phone number of pilots;
After step 102, mobile phone were received this measurement instruction, measurement pilot frequency intensity also reported Pilot Strength Measurement Message to base station controller;
Step 103, the Pilot Strength Measurement Message that the base station controller basis is received obtains the pilot frequency intensity of phone activated set, generates adjacent-area list renewing message after pilot frequency intensity is sorted;
Step 104, base station controller gives mobile phone with the renewal neighboring BS information adjacent-area list renewing message informing that generates, and returns step 101.
Wherein, comprise the steps: in the described step 101
Base station controller and mobile phone are set up Traffic Channel;
Judge the phone activated set number of pilots, if number of pilots greater than 1, then continues;
Judge whether mobile phone switches, if switch, then base station controller generates adjacent-area list renewing message informing mobile phone renewal Neighboring Cell List according to the order of Active Set pilot frequency intensity, if do not switch, then mobile phone is in non-switching state, need carry out non-handover trigger adjacent-area list renewing;
Determine the mobile phone number of pilots greater than 1 and be in non-switching state after, base station controller regularly sends the pilot frequency intensity measuring instruction to mobile phone, begins to initiate non-switch-over triggering hand-set adjacent-area list renewing.
Described method can further include:
When the mobile phone number of pilots equals 1 and when being in non-switching state, keep the current phone Neighboring Cell List.
The method of the invention, in specific implementation process, after mobile phone is set up Traffic Channel, 1～6 of Active Set number of pilots, when the Active Set pilot tone only had 1, the adjacent area that this moment, mobile phone adopted was the Neighboring Cell List that issues by NLM, because do not switch this moment, can think that the residing position of mobile phone is nearer apart from relative other sectors, Active Set sector, this moment, Neighboring Cell List was proper.
After mobile phone switched, the Active Set number of pilots was N (greater than 1) when individual, illustrates that mobile phone is in the common place that covers, N sub-district.Usually after mobile phone switched, BSC can generate adjacent-area list renewing message informing mobile phone according to the order of Active Set pilot frequency intensity and upgrade Neighboring Cell List.
When mobile phone is in mobile status and does not switch, if the mobile phone present position changes, the order of pilot frequency intensity changes in the Active Set at this moment, current Neighboring Cell List can not embody the situation that the Active Set pilot frequency intensity changes in proper order, may cause the strong pilot tone can't be searched, call drop will take place to switching.Therefore when non-switching state, the Neighboring Cell List that upgrades in time is very important.Can consider that in the BSC side adjacent area being set upgrades timer, when timer expired, BSC sent the pilot frequency intensity measuring instruction, and the order mobile phone reports Pilot Strength Measurement Message.This timer can be set to different values according to the complexity of wireless environment, also can be optimized adjustment in system's running of reality.
For 95 systems, it is to adopt pilot frequency intensity measuring instruction (PSMRO, Pilot Strength Measurement Request Order) notice mobile phone that the order mobile phone reports pilot strength information.For the 1x system, can adopt PMRO, also can adopt periodic pilot frequency intensity measuring instruction (PPSMRO, Periodic Pilot Strength Measurement Request Order) notice mobile phone, PPSMRO can notify mobile phone once, and mobile phone can periodically report then; PSMRO notifies mobile phone once, mobile phone reports once, but the basic function that both finish is consistent, for convenience of description, below be referred to as pilot frequency intensity measuring instruction PSMRO, report instruction for being respectively Pilot Strength Measurement Message (PSMM with these two message are corresponding, Pilot Strength Measurement Message) and periodic pilot intensity measuring message (PPSMM, Periodic Pilot Strength Measurement Message), for convenience of description, below be referred to as Pilot Strength Measurement Message PSMM.
The Pilot Strength Measurement Message that BSC reports according to mobile phone obtains the pilot frequency intensity of phone activated set, sorts by pilot frequency intensity, regenerates adjacent-area list renewing message according to the pilot tone order.Upgrade neighboring BS information by adjacent-area list renewing message informing mobile phone.After issuing adjacent-area list renewing message, restart the BSC adjacent area and upgrade timer, the adjacent area that enters next flow process is upgraded.
Fig. 2 is the flow chart that top described system carries out non-switch-over triggering hand-set adjacent-area list renewing, and the arrow among the figure is represented handling process, and concrete handling process comprises as shown in Figure 2:
Aforesaid method of the present invention of following foundation and embodiment, respectively to 95 and the 1X system in embodiment be elaborated.
For 95 systems, the step of non-switch-over triggering hand-set adjacent-area list renewing comprises:
Step 301 after 95 mobile phones are set up Traffic Channel, if the Active Set pilot tone has only 1, is not carried out any operation;
Step 302, after mobile phone switched, hypothesis activation collection number of pilots was that N (greater than 1) is individual, illustrated that mobile phone is in the switch area of N sub-district.After mobile phone switched, BSC generated NLUM notice mobile phone according to the order of Active Set pilot frequency intensity;
Step 303 starts BSC adjacent area timer according to the number of phone activated set pilot tone, and the size of this timer can obtain by the network management configuration system, according to the number of Active Set T is arranged respectively
2, T
3, T
4, T
5, T
6Several, general Active Set number is big more, and timer is more little, and the span of timer is generally 0.5s～5s;
Step 304, timer expiry, BSC sends the PSMRO instruction to mobile phone;
Step 305 after mobile phone receives PSMRO, sends PSMM message to BSC;
Step 306, BSC receives the PSMM that mobile phone reports, and BSC sends ENLUM according to the intensity of each pilot signal among the PSMM to mobile phone;
Step 307, BSC starts timer according to the number of current Active Set again, enters circulation next time;
Step 308, when the number of Active Set is 1, the BSC timer that resets.
For the 1X system, the step of non-switch-over triggering hand-set adjacent-area list renewing comprises:
Step 401 after the 1x mobile phone is set up Traffic Channel, can also can be proceeded according to following flow process according to the flow process of 95 systems;
Step 402 if the Active Set pilot tone has only 1, is not carried out any operation;
Step 403, after mobile phone switched, hypothesis activation collection number of pilots was that N (greater than 1) is individual, illustrated that mobile phone is in the switch area of N sub-district.After mobile phone switched, BSC generated ENLUM notice mobile phone according to the order of Active Set pilot frequency intensity;
Step 404, BSC sends the PPSMRO instruction to mobile phone, sets the cycle that mobile phone reports PPSMM in PPSMRO, and the size of this timer can obtain by the network management configuration system, according to the number of Active Set T is arranged respectively
2, T
3, T
4, T
5, T
6Several, general Active Set number is big more, and timer is more little, and the span of timer is generally 0.5s～5s;
Step 405 after mobile phone receives PPSMRO, sends PPSMM message to BSC with the cycle of setting;
Step 406, BSC receives the PPSMM that mobile phone reports, and BSC sends ENLUM according to the intensity of each pilot signal among the PPSMM to mobile phone;
Step 407, if the number of the Active Set before and after the renewal of adjacent area is inconsistent, then BSC issues the PPSMRO instruction again, sets the cycle size that reports PPSMM among the PPSMRO according to the number of current Active Set again;
Step 408, when the number of Active Set was 1, BSC issued the PPSMRO instruction, and the cycle is set to 0, and indication mobile phone dwelling period reports PPSMM message.
Use the method for the invention, make BSC according to the variation of the pilot frequency intensity hand-set adjacent-area list message that upgrades in time, make the variation of mobile phone fast adaptation wireless environment, in time search for adjacent pilot frequencies, accelerate the process that mobile phone switches, the speech quality of avoiding strong pilot tone to search for causing worsens or call drop.
The method of a kind of non-switch-over triggering hand-set adjacent-area list renewing of the present invention, be not restricted to listed utilization in specification and the execution mode, it can be applied to various suitable the present invention's field fully, for those skilled in the art, can easily realize additional advantage and make amendment, therefore under the situation of the spirit and scope of the universal that does not deviate from claim and equivalency range and limited, the examples shown that the present invention is not limited to specific details, representational equipment and illustrates here and describe.
Claims (10)
1, a kind of method of non-switch-over triggering hand-set adjacent-area list renewing is used for it is characterized in that at the cdma system hand-set adjacent-area list that upgrades in time, comprises the steps:
(1) base station controller greater than 1 and when being in non-switching state, regularly sends the pilot frequency intensity measuring instruction to mobile phone in the phone activated set number of pilots;
(2) after mobile phone was received this measurement instruction, measurement pilot frequency intensity also reported Pilot Strength Measurement Message to base station controller;
(3) base station controller obtains the pilot frequency intensity of phone activated set according to the Pilot Strength Measurement Message received, and the pilot frequency intensity back of sorting is generated adjacent-area list renewing message;
(4) base station controller gives mobile phone with the renewal neighboring BS information adjacent-area list renewing message informing that generates, and returns step (1).
2, the method for claim 1 is characterized in that, described step (1) comprising:
Base station controller and mobile phone are set up Traffic Channel;
Judge the phone activated set number of pilots, if number of pilots greater than 1, then continues;
Judge whether mobile phone switches, if switch, then base station controller generates adjacent-area list renewing message informing mobile phone renewal Neighboring Cell List according to the order of Active Set pilot frequency intensity, if do not switch, then mobile phone is in non-switching state, need carry out non-handover trigger adjacent-area list renewing;
Determine the mobile phone number of pilots greater than 1 and be in non-switching state after, base station controller regularly sends the pilot frequency intensity measuring instruction to mobile phone, begins to initiate non-switch-over triggering hand-set adjacent-area list renewing.
3, method as claimed in claim 2 is characterized in that, further comprises:
The mobile phone number of pilots equals 1 and when being in non-switching state, keeps the current phone Neighboring Cell List.
4, the method for claim 1 is characterized in that, described cdma system is the CDMAIS-95 system.
5, method as claimed in claim 4 is characterized in that, in CDMA IS-95 system,
Described step comprises in (1):
Determine 95 mobile phone number of pilots greater than 1 and be in non-switching state after, base station controller starts base station controller adjacent area timer according to phone activated set pilot tone number, timer expiry, base station controller sends the pilot frequency intensity measuring instruction to mobile phone, begin to initiate non-switch-over triggering hand-set adjacent-area list renewing, wherein
Described adjacent area timer obtains by the gateway configuration system, and its timer size is determined according to the number of phone activated set pilot tone;
Described step (2) comprising:
After 95 mobile phones were received the instruction of this pilot frequency intensity measuring, measurement pilot frequency intensity also reported Pilot Strength Measurement Message to base station controller;
Described step (3) comprising: the Pilot Strength Measurement Message that the base station controller basis is received obtains the pilot frequency intensity of 95 phone activated set, generates adjacent-area list renewing message after pilot frequency intensity is sorted;
Described step (4) comprising: base station controller gives 95 mobile phones with the renewal neighboring BS information adjacent-area list renewing message informing that generates, and returns step (1).
6, method as claimed in claim 5 is characterized in that, further comprises:
(5) when Active Set pilot tone number is 1, the base station controller adjacent area timer that resets.
7, the method for claim 1 is characterized in that, described cdma system is the CDMA1X system.
8, method as claimed in claim 7 is characterized in that, in CDMA 1X system,
Described step comprises in (1):
Greater than 1 and when being in switching state, base station controller generates expansion adjacent-area list renewing message informing 1X mobile phone according to the order of Active Set pilot frequency intensity and upgrades Neighboring Cell List in 1X phone activated set number of pilots,
In 1X phone activated set number of pilots greater than 1 and when being in non-switching state, base station controller is determined the cycle of 1X mobile phone report cycle Pilot Strength Measurement Message according to current Active Set number of pilots, and comprises the periodic pilot ionization meter instruction in this cycle to the transmission of 1X mobile phone.
Described step (2) comprising:
After mobile phone was received this periodic pilot ionization meter instruction, measurement pilot frequency intensity, and the cycle to set in the instruction of periodic pilot ionization meter were to base station controller report cycle Pilot Strength Measurement Message;
Described step (3) comprising:
The periodic pilot intensity measuring message that the base station controller basis is received obtains the pilot frequency intensity of 1X phone activated set, generates expansion adjacent-area list renewing message after pilot frequency intensity is sorted;
Described step (4) comprising: the expansion adjacent-area list renewing message informing that base station controller will generate gives mobile phone with the renewal neighboring BS information, and returns step (1).
9, method as claimed in claim 8 is characterized in that, further comprises:
(5) if the Active Set number of pilots before and after the 1X hand-set adjacent-area list renewing is inconsistent, then base station controller issues the instruction of periodic pilot ionization meter again, sets the cycle size that reports Pilot Strength Measurement Message in this instruction according to the number of current Active Set again.
(6) when Active Set pilot tone number is 1, base station controller issues the instruction of periodic pilot ionization meter, and the cycle is set to 0, indication 1X mobile phone dwelling period report cycle Pilot Strength Measurement Message.
10, method as claimed in claim 8, it is characterized in that, the cycle of the 1X mobile phone report cycle Pilot Strength Measurement Message of determining described in the described step (1) is that base station controller obtains by the network management configuration system, and its cycle size is determined according to the number of phone activated set pilot tone.
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| CNB2005101277510A CN100531434C (en) | 2005-12-06 | 2005-12-06 | Non-switch-over triggering hand-set adjacent-area list renewing method |
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| CNB2005101277510A CN100531434C (en) | 2005-12-06 | 2005-12-06 | Non-switch-over triggering hand-set adjacent-area list renewing method |
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| CN1980465A true CN1980465A (en) | 2007-06-13 |
| CN100531434C CN100531434C (en) | 2009-08-19 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009056028A1 (en) * | 2007-10-22 | 2009-05-07 | Huawei Technologies Co., Ltd. | Methods, devices, and systems of providing measurement information and detecting coverage problem |
| CN101931984A (en) * | 2009-06-18 | 2010-12-29 | 华为技术有限公司 | Method, user equipment and base station for drive test measurement |
| CN101489301B (en) * | 2008-01-15 | 2011-01-05 | 中兴通讯股份有限公司 | Wireless network automatic configuration system and configuration method thereof |
| CN102316578A (en) * | 2010-07-06 | 2012-01-11 | 中兴通讯股份有限公司 | Paging method and system, and radio network controller |
| CN101370277B (en) * | 2007-08-17 | 2012-07-04 | 中兴通讯股份有限公司 | Neighbor section list updating method |
| CN101656941B (en) * | 2008-08-20 | 2012-11-07 | 华为技术有限公司 | Method, device and base station for updating information in adjacent regions |
| CN102790970A (en) * | 2011-05-17 | 2012-11-21 | 鼎桥通信技术有限公司 | Method and system for automatic recognition of strong neighbor cells |
-
2005
- 2005-12-06 CN CNB2005101277510A patent/CN100531434C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101370277B (en) * | 2007-08-17 | 2012-07-04 | 中兴通讯股份有限公司 | Neighbor section list updating method |
| WO2009056028A1 (en) * | 2007-10-22 | 2009-05-07 | Huawei Technologies Co., Ltd. | Methods, devices, and systems of providing measurement information and detecting coverage problem |
| CN101489301B (en) * | 2008-01-15 | 2011-01-05 | 中兴通讯股份有限公司 | Wireless network automatic configuration system and configuration method thereof |
| CN101656941B (en) * | 2008-08-20 | 2012-11-07 | 华为技术有限公司 | Method, device and base station for updating information in adjacent regions |
| CN101931984A (en) * | 2009-06-18 | 2010-12-29 | 华为技术有限公司 | Method, user equipment and base station for drive test measurement |
| CN101931984B (en) * | 2009-06-18 | 2013-06-26 | 华为技术有限公司 | Method, user equipment and base station for drive test measurement |
| CN102316578A (en) * | 2010-07-06 | 2012-01-11 | 中兴通讯股份有限公司 | Paging method and system, and radio network controller |
| CN102790970A (en) * | 2011-05-17 | 2012-11-21 | 鼎桥通信技术有限公司 | Method and system for automatic recognition of strong neighbor cells |
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| Publication number | Publication date |
|---|---|
| CN100531434C (en) | 2009-08-19 |
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Granted publication date: 20090819 Termination date: 20171206 |