CN101415240B - Method for regulating search window center and access network - Google Patents
Method for regulating search window center and access network Download PDFInfo
- Publication number
- CN101415240B CN101415240B CN2008101774860A CN200810177486A CN101415240B CN 101415240 B CN101415240 B CN 101415240B CN 2008101774860 A CN2008101774860 A CN 2008101774860A CN 200810177486 A CN200810177486 A CN 200810177486A CN 101415240 B CN101415240 B CN 101415240B
- Authority
- CN
- China
- Prior art keywords
- terminal
- access network
- search window
- reverse link
- described terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses an adjustment method of a search window center and an access network. The method comprises the following steps: the access network compares a distance between an access base station and a terminal sent by the terminal at the latest time with a preset threshold of the search window of a service channel in the case that the access network judges that a forward link and a reverse link are unbalanced according to preset conditions; the access network notifies the terminal of returning the latest distance between the terminal and the access base station in the case that the access network judges that the distance between the terminal and the access base station is greater than the preset threshold of the search window of the service channel; and the access network determines the search window center of the reverse link according to the latest distance carried in a response message returned by the terminal. The success rate of the terminal access under the condition that the forward link and the reverse link are unbalanced can be improved by the processing.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of search window center method of adjustment and Access Network.
Background technology
Insert (Code Division Multiple Access abbreviates CDMA as) system at third generation code division multiple access, promptly in the wireless communication system of CDMA2000, the forward link of terminal and access network and reverse link are balance substantially.But under some special scenes, can exist forward link strong and the unbalanced situation of preceding reverse link that reverse link is weak is occurring under the above-mentioned situation, might make the accessing terminal to network failure.At present, in correlation technique, mainly have following two kinds before the unbalanced situation of reverse link:
Situation one: sometime, the forward signal of certain district pilots is enough strong, after this pilot tone of capture terminal, requires to connect on this pilot tone or switch this pilot tone.After successfully this pilot tone being added Active Set, because the reverse signal of this pilot tone is very weak, access network can't capture terminal on this pilot tone.Along with terminal to the moving of this cell coverage area, the reverse signal of this pilot tone can be more and more stronger, but because the distance that terminal moves is excessive, surpassed the search window scope of original setting, therefore, access network still can't capture terminal on this pilot tone.
Situation two: certain pilot tone is added into Active Set, and successfully captures terminal on this pilot tone.Subsequently, the reverse signal of this pilot tone dies down and causes reverse link to be lost, but the forward signal of this pilot tone is still enough strong, and this pilot tone still is maintained in the active set of terminal.Reverse link lose during this period of time in because terminal moved very long distance, when reverse signal returned to enough by force by the time, terminal had been in outside the search window scope, therefore, terminal accessed network again captures.
Under above-mentioned two kinds of situations, terminal moves through bigger distance, though reverse signal is enough strong, because search window does not have change, causes access network can't capture terminal, causes the access that terminal can not be successful.Yet, the technical scheme that can effectively address the above problem is not proposed at present as yet.
Summary of the invention
Consider under the forward link and the unbalanced situation of reverse link of terminal, the problem that the access network that causes under the constant situation in search window center owing to terminal displacement is big can't capture terminal proposes the present invention, for this reason, main purpose of the present invention is to provide a kind of search window center method of adjustment and Access Network, to solve the problems referred to above that exist in the correlation technique.
According to an aspect of the present invention, provide a kind of search window center method of adjustment.
Comprise according to search window of the present invention center method of adjustment: judge that according to predetermined condition terminal has occurred under forward link and the unbalanced situation of reverse link at Access Network, Access Network compares the distance of the last terminal that sends of terminal and access base station and default Traffic Channel search window threshold value; Judge that at Access Network under the situation of distance greater than default Traffic Channel search window threshold value of terminal and access base station, Access Network notice terminal is returned the up-to-date distance of terminal and access base station; The up-to-date distance of carrying in the response message that Access Network returns according to terminal is determined reverse link search window center.
Wherein, above-mentioned search window threshold value is the maximum coverage that access base station can search terminal.
Preferably, before Access Network judged that according to predetermined condition forward link and reverse link imbalance have appearred in terminal, further comprise: Access Network is the forward link and the reverse link of sense terminals regularly.
Preferably, after the distance of the Access Network the last terminal that sends and access base station with terminal and the Traffic Channel search window threshold value preset compare, further comprise: judge that at Access Network Access Network continues the regularly forward link and the reverse link of sense terminals under the situation of distance less than default Traffic Channel search window threshold value of terminal and access base station.
Preferably, predetermined condition is: Access Network can't be caught the reverse link of terminal at the fixed time in the section after catching the forward link of terminal.
Preferably, Access Network determines that the processing at reverse link search window center comprises: Access Network is determined new loopback delay and is determined reverse link search window center: NewRTD=RoundTripDelay+RouteUpdateInfo.PNOffset-pnPhase thus according to following formula; Wherein, NewRTD represents the new loopback delay that calculates, RoundTripDelay represents the multipath loopback delay that arrives the earliest that goes out according to up-to-date distance calculation, RouteUpdateInfo.PNOffset represents this Pilot PN skew of terminal to report, and pnPhas represents the PN deviant of the multipath that reaches the earliest.
According to a further aspect in the invention, provide a kind of Access Network, be used under the unbalanced situation of preceding reverse link of third generation CDMA access system terminal, dynamically adjusting the search window center.
Access Network according to the present invention comprises: comparison module, be used for judging that according to predetermined condition terminal has occurred under forward link and the unbalanced situation of reverse link that the distance of the last terminal that sends of terminal and access base station and default Traffic Channel search window threshold value compare; Notification module is used for judging that at comparison module the notice terminal is returned the up-to-date distance of terminal and access base station under the situation of distance greater than default Traffic Channel search window threshold value of terminal and access base station; Receiver module is used for the response message that receiving terminal returns, and wherein, comprises the up-to-date distance of terminal and access base station in the response message; Determination module is used for determining reverse link search window center according to the up-to-date distance that the response message that terminal is returned carries.
Preferably, Access Network further comprises: detection module is used for the regularly forward link and the reverse link of sense terminals.
Preferably, detection module is further used for: judge at comparison module under the situation of distance less than default Traffic Channel search window threshold value of terminal and access base station, continue the regularly forward link and the reverse link of sense terminals.
Preferably, predetermined condition is: Access Network can't be caught the reverse link of terminal at the fixed time in the section after catching the forward link of terminal.
Preferably, determination module is used for determining reverse link search window center according to following formula; NewRTD=RoundTripDelay+RouteUpdateInfo.PNOffset-pnPhase; Wherein, NewRTD represents the new loopback delay that calculates, RoundTripDelay represents the multipath loopback delay that arrives the earliest that goes out according to up-to-date distance calculation, RouteUpdateInfo.PNOffset represents this Pilot PN skew of terminal to report, and pnPhas represents the PN deviant of the multipath that reaches the earliest.
By means of technical scheme of the present invention, by Traffic Channel search window threshold value being set and according to terminal and charge to the center that the up-to-date distance between the base station is calculated search window dynamically, can solve in the correlation technique under the forward link and the unbalanced situation of reverse link of terminal, the access network that causes greatly owing to terminal displacement can't capture the problem of terminal, thereby effectively improves the success rate that terminal inserts under the uneven condition of preceding reverse link.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the search window center method of adjustment of the embodiment of the invention;
Fig. 2 is the flow chart according to the detailed process of the search window center method of adjustment of the embodiment of the invention;
Fig. 3 is the block diagram according to the Access Network of the embodiment of the invention.
Embodiment
Functional overview
As mentioned above, in situation one and situation two, can't capture the situation that terminal makes that terminal can not successfully insert thereby access network can occur.Therefore, the invention provides a kind of before existing, under the uneven condition of reverse link, promptly, forward signal is strong and under the condition that reverse signal is weak, the method at search window center is also upgraded in dynamic calculation terminal distance and search window center, preferably, the present invention is applicable to the CDMA2000 communication system, in technical scheme of the present invention, judge that according to predetermined condition terminal has occurred under forward link and the unbalanced situation of reverse link at Access Network, Access Network compares the distance of the last terminal that sends of terminal and access base station and default Traffic Channel search window threshold value; Judge that at Access Network under the situation of distance greater than default Traffic Channel search window threshold value of terminal and access base station, Access Network notice terminal is returned the up-to-date distance of terminal and access base station; The up-to-date distance of carrying in the response message that Access Network returns according to terminal is determined reverse link search window center.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Method embodiment
According to embodiments of the invention, provide a kind of search window center method of adjustment, preferably, the present invention is applied at third generation CDMA access system, that is, the CDMA2000 system dynamically adjusts the search window center under the unbalanced situation of preceding reverse link of terminal.Fig. 1 is the flow chart according to the search window center method of adjustment of the embodiment of the invention, as shown in Figure 1, comprises following processing (step S102-step S106):
At first, need to prove that before carrying out following processing, Access Network at first needs the periodically forward link and the reverse link of sense terminals, to judge whether to have occurred the uneven situation of preceding reverse link.Access Network is after catching the forward link of terminal, can't catch the reverse link of terminal at the fixed time in the section, Access Network just can think that forward link and the unbalanced situation of reverse link have appearred in terminal, occurred carrying out following step S102 under forward link and the unbalanced situation of reverse link in terminal.
Step S102, at Access Network (promptly according to predetermined condition, Access Network is after catching the forward link of terminal, can't catch the reverse link of terminal at the fixed time in the section) judge that terminal has occurred under forward link and the unbalanced situation of reverse link, Access Network compares the distance of the last terminal that sends of terminal and access base station and default Traffic Channel search window threshold value.Wherein, above-mentioned search window threshold value is the maximum coverage that access base station can search terminal, promptly, if the distance of terminal and base station is within the search window threshold value, then the base station can search terminal, if the distance of terminal and base station is outside the search window threshold value, then the base station just can not search terminal; In the application of reality, this search window threshold value can be carried out artificial setting according to engineering experience, and under different application scenarioss, this search window threshold value can change thereupon, and therefore, this threshold value is not unique immutable value.
In step S102, if Access Network judges that Access Network then continues the regularly forward link and the reverse link of sense terminals under the situation of distance less than default Traffic Channel search window threshold value of terminal and access base station.And continue to judge according to predetermined condition whether terminal forward link and the unbalanced situation of reverse link have occurred.
Step S104 judges that at Access Network under the situation of distance greater than default Traffic Channel search window threshold value of terminal and access base station, Access Network notice terminal is returned the up-to-date distance of terminal and Access Network.
Particularly, in step S104, Access Network can send RouteUpdateRequest message to terminal, the requesting terminal sends RouteUpdate message so that return terminal and the up-to-date distance of access base station, wherein, RouteUpdateRequest message and RouteUpdate message are the standard agreements in the CDMA2000 system.
Step S106, up-to-date distance and other information of carrying in the response message that Access Network returns according to terminal (RouteUpdate message) are determined reverse link search window center.
In step S106, Access Network can be according to the RouteUpdate message of terminal transmission, determine new loopback delay according to following formula, thereby obtain a reverse link search window center accurately, and the notice access base station upgrades the reverse link search window center of this terminal, be convenient to search this terminal, catch the reverse link of this terminal.Above-mentioned predetermined formula is as follows:
NewRTD＝RoundTripDelay+RouteUpdateInfo.PNOffset-pnPhase
Wherein, NewRTD represents the new loopback delay that calculates, RoundTripDelay represents the multipath loopback delay that arrives the earliest that the up-to-date distance calculation according to terminal and access base station goes out, RouteUpdateInfo.PNOffset represents this Pilot PN skew of terminal to report (carrying) in RouteUpdate message, pnPhas represents the PN deviant of the multipath that reaches the earliest.
From above-mentioned processing as can be seen, said method utilizes prior protocols (RouteUpdateRequest message and RouteUpdate message), only need the existing access network side system software of upgrading, need not has any hardware or the change on the software to terminal, just can dynamically adjust the search window center under the unbalanced situation of preceding reverse link of terminal.
Below, in conjunction with the accompanying drawings, technique scheme of the present invention is described in detail, as shown in Figure 2, comprise following processing:
Step S201, terminal need be linked into access network, access network has been caught its forward link, but do not catch its reverse link as yet, start timer T1, and, in the present embodiment, the reverse search window scope (that is Yu She Traffic Channel search window threshold value) that access network is provided with is 5 kms.
Step S202, access network is the preceding inverse link catching situation of sense terminals regularly, and owing to the overtime back of timer T1 reverse link is not still caught, so Access Network is judged forward link and the unbalanced situation of reverse link of having occurred.
Step S203, access network comparison terminal are responsible for the distance of the base station inserted with it, judge whether this distance surpasses default Traffic Channel search window threshold value (5 km).If this distance does not reach threshold value as yet, access network continues the forward link and the reverse link of regularly detection and comparison terminal.
Step S204, terminal has moved to the position of 7 kms from the base station, Access Network judges that this distance surpasses default Traffic Channel search window threshold value (5 km), access network sends RouteUpdateRequest message by the base station of being responsible for inserting to this terminal, and the requesting terminal sends RouteUpdate message immediately to access network.
Step S205, access network has been received the RouteUpdate message that terminal sends, according to terminal of carrying in the RouteUpdate message and the up-to-date distance of going to the station to meet somebody, and other relevant informations, utilize following formula can calculate the new loopback delay of this terminal, and determine new reverse link search window center by new loopback delay, computing formula is as follows: NewRTD=RoundTripDelay+RouteUpdateInfo.PNOffset-pnPhase, wherein, NewRTD represents the new loopback delay that calculates, RoundTripDelay represents the multipath loopback delay that arrives the earliest that the up-to-date distance calculation according to terminal and access base station goes out, RouteUpdateInfo.PNOffset represents this Pilot PN skew of terminal to report (carrying) in RouteUpdate message, pnPhas represents the PN deviant of the multipath that reaches the earliest.Need to prove, if it is relative far away with the access base station distance that Access Network calculates the processing unit of NewRTD, after then the processing unit of Access Network sends to access base station with the NewRTD that calculates, access base station is simply handled the NewRTD that receives according to actual conditions, just can access new reverse link search window center, if it is very near that Access Network calculates processing unit and the access base station distance of NewRTD, after then access base station receives NewRTD, directly with NewRTD as new reverse link search window center.This formula recomputates the new reverse link search window center that obtains by the field in the up-to-date RouteUpdate message will inevitably surpass 7 kms.
Step S206, the reverse link search window center at this terminal is revised at the new search window center that calculate according to above-mentioned formula the base station that the access network notice is responsible for inserting, after access base station uses new search window center, just can improve the probability of the reverse link that searches out terminal greatly.
Step S207, more new terminal reverse link search window process finishes.
By above-mentioned processing, can increase the probability that searches this terminal by revising search window, thereby increase the access success rate of terminal.
Device embodiment
According to embodiments of the invention, a kind of Access Network is provided, be used under the unbalanced situation of preceding reverse link of terminal, dynamically adjusting the search window center.Fig. 3 is the block diagram according to the Access Network of the embodiment of the invention, as shown in Figure 3, comprises according to the Access Network of the embodiment of the invention: comparison module 30, notification module 32, receiver module 34, determination module 36.Below, Access Network of the present invention is described in detail.
At first, preferably, the detection module of Access Network at first needs the periodically forward link and the reverse link of sense terminals, to judge whether to have occurred the uneven situation of preceding reverse link.
Subsequently, the comparison module 30 of Access Network is according to predetermined condition (promptly, if the trapping module of Access Network is after catching the forward link of terminal, can't catch the reverse link of terminal at the fixed time in the section, just can think that forward link and the unbalanced situation of reverse link have appearred in terminal) judge that terminal has occurred under forward link and the unbalanced situation of reverse link, comparison module 30 compares the distance of the last terminal that sends of terminal and access base station and default Traffic Channel search window threshold value; If comparison module 30 is judged under the situation of distance less than default Traffic Channel search window threshold value of terminal and access base station, detection module need continue the regularly forward link and the reverse link of sense terminals, and comparison module 30 needs to continue to judge according to predetermined condition whether terminal forward link and the unbalanced situation of reverse link have occurred.
Need to prove that above-mentioned search window threshold value is the maximum coverage that access base station can search terminal.In the application of reality, this search window threshold value can be according to artificial being provided with of engineering experience, and under different application scenarioss, this search window threshold value can change thereupon, and therefore, this threshold value is not unique immutable value.
Judge that at comparison module 30 under the situation of distance greater than default Traffic Channel search window threshold value of terminal and access base station, notification module 32 needs the notice terminal to return the up-to-date distance of terminal and Access Network.
Particularly, notification module 32 can send RouteUpdateRequest message to terminal, the requesting terminal sends RouteUpdate message so that return terminal and the up-to-date distance of access base station, wherein, RouteUpdateRequest message and RouteUpdate message are the standard agreements in the CDMA2000 system.
Receiver module 34 is used for the response message (RouteUpdate message) that receiving terminal returns, and wherein, comprises up-to-date distance and other information of terminal and Access Network in the RouteUpdate message; Determination module 36 is connected to receiver module 34, and the up-to-date distance that the RouteUpdate message that determination module 36 is used for returning according to terminal is carried and other information are determined reverse link search window center.
Particularly, the common method when determination module 36 can adopt industry to calculate loopback delay, that is, determine reverse link search window center according to following formula:
NewRTD＝RoundTripDelay+RouteUpdateInfo.PNOffset-pnPhase
Wherein, NewRTD represents the new loopback delay that calculates, RoundTripDelay represents the multipath loopback delay that arrives the earliest that the up-to-date distance calculation according to terminal and access base station goes out, RouteUpdateInfo.PNOffset represents this Pilot PN skew of terminal to report (carrying) in RouteUpdate message, pnPhas represents the PN deviant of the multipath that reaches the earliest.
Need to prove, under the situation that does not deviate from the spirit and scope that claims illustrate, can carry out various changes and combination above-mentioned each module.
In sum, by means of technical scheme of the present invention, by Traffic Channel search window threshold value being set and according to terminal and charge to the center that the up-to-date distance between the base station is calculated search window dynamically, can solve in the correlation technique under the forward link and the unbalanced situation of reverse link of terminal, the access network that causes greatly owing to terminal displacement can't capture the problem of terminal, thereby effectively improves the success rate that terminal inserts under the uneven condition of preceding reverse link.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.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 (11)
1. search window center method of adjustment is characterized in that described method comprises:
Judge that according to predetermined condition terminal has occurred under forward link and the unbalanced situation of reverse link at Access Network, described Access Network compares the distance of the last described terminal that sends of described terminal and access base station and default Traffic Channel search window threshold value;
Under the situation of the distance of judging described terminal and described access base station at described Access Network greater than described default Traffic Channel search window threshold value, described Access Network notifies described terminal to return the up-to-date distance of described terminal and described access base station;
The described up-to-date distance of carrying in the response message that described Access Network returns according to described terminal is determined reverse link search window center.
2. method according to claim 1 is characterized in that, described search window threshold value is the maximum coverage that described access base station can search described terminal.
3. method according to claim 1 is characterized in that, before described Access Network judged that according to predetermined condition forward link and reverse link imbalance have appearred in described terminal, described method further comprised:
Described Access Network regularly detects the forward link and the reverse link of described terminal.
4. method according to claim 3 is characterized in that, after the distance of described the Access Network the last described terminal that sends and access base station with described terminal and the Traffic Channel search window threshold value preset compared, described method further comprised:
Under the situation of the distance of judging described terminal and described access base station at described Access Network less than described default Traffic Channel search window threshold value, described Access Network continues regularly to detect the forward link and the reverse link of described terminal.
5. method according to claim 1 is characterized in that, described predetermined condition is:
Described Access Network can't be caught the reverse link of described terminal at the fixed time in the section after catching the forward link of described terminal.
6. method according to claim 1 is characterized in that, described Access Network determines that the processing at described reverse link search window center comprises:
Described Access Network is determined new loopback delay and is determined described reverse link search window center thus according to following formula:
NewRTD＝RoundTripDelay+RouteUpdateInfo.PNOffset-pnPhase；
Wherein, NewRTD represents the new loopback delay that calculates, RoundTripDelay represents the multipath loopback delay that arrives the earliest that goes out according to described up-to-date distance calculation, RouteUpdateInfo.PNOffset represents this Pilot PN skew of described terminal to report, and pnPhas represents the PN deviant of the multipath that reaches the earliest.
7. an Access Network is used for dynamically adjusting the search window center under the unbalanced situation of preceding reverse link of third generation CDMA access system terminal, it is characterized in that described Access Network comprises:
Comparison module, be used for judging that according to predetermined condition described terminal has occurred under forward link and the unbalanced situation of reverse link, the distance of the last described terminal that sends of described terminal and access base station and default Traffic Channel search window threshold value are compared;
Notification module is used for notifying described terminal to return the up-to-date distance of described terminal and described access base station under distance that described comparison module is judged described terminal and the described access base station situation greater than described default Traffic Channel search window threshold value;
Receiver module is used to receive the response message that described terminal is returned, and wherein, comprises the up-to-date distance of described terminal and described access base station in the described response message;
Determination module is used for determining reverse link search window center according to the described up-to-date distance that the response message that described terminal is returned carries.
8. Access Network according to claim 7 is characterized in that, described Access Network further comprises:
Detection module is used for forward link and reverse link that timing detects described terminal.
9. Access Network according to claim 8 is characterized in that, described detection module is further used for:
Under the situation of the distance of judging described terminal and described access base station at described comparison module less than described default Traffic Channel search window threshold value, continue regularly to detect the forward link and the reverse link of described terminal.
10. Access Network according to claim 7 is characterized in that, described predetermined condition is:
Described Access Network can't be caught the reverse link of described terminal at the fixed time in the section after catching the forward link of described terminal.
11. Access Network according to claim 7 is characterized in that, described determination module is used for determining described reverse link search window center according to following formula;
NewRTD＝RoundTripDelay+RouteUpdateInfo.PNOffset-pnPhase；
Wherein, NewRTD represents the new loopback delay that calculates, RoundTripDelay represents the multipath loopback delay that arrives the earliest that goes out according to described up-to-date distance calculation, RouteUpdateInfo.PNOffset represents this Pilot PN skew of described terminal to report, and pnPhas represents the PN deviant of the multipath that reaches the earliest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101774860A CN101415240B (en) | 2008-11-26 | 2008-11-26 | Method for regulating search window center and access network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101774860A CN101415240B (en) | 2008-11-26 | 2008-11-26 | Method for regulating search window center and access network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101415240A CN101415240A (en) | 2009-04-22 |
| CN101415240B true CN101415240B (en) | 2011-03-02 |
Family
ID=40595480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101774860A Active CN101415240B (en) | 2008-11-26 | 2008-11-26 | Method for regulating search window center and access network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101415240B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662308B (en) * | 2009-09-29 | 2013-01-16 | 中兴通讯股份有限公司 | Setting method of search window centre and device |
| CN101873151B (en) * | 2010-06-24 | 2014-04-30 | 中兴通讯股份有限公司 | Method and device for setting search window center in mode of fixing search window |
| CN102523595B (en) * | 2011-12-02 | 2017-08-01 | 南京中兴软件有限责任公司 | A kind of detection method and device of reverse search window center in cluster system |
| CN111970060A (en) * | 2019-05-20 | 2020-11-20 | 江苏永鼎通信有限公司 | Urban village depth coverage type optical fiber distribution scheme |
-
2008
- 2008-11-26 CN CN2008101774860A patent/CN101415240B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101415240A (en) | 2009-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW502547B (en) | Mobile station measurements with event-based reporting | |
| US6845245B2 (en) | Access parameter adaptation and packet data resource management using detailed mobile status information | |
| US6714785B1 (en) | Handoff device and method for mobile communication system | |
| US9198100B2 (en) | Wireless communications handoff method and system employing such | |
| US20040114555A1 (en) | Radio control apparatus, base station mobile communication method, mobile communication program, recording medium containing the same, and mobile communication system | |
| US20010006514A1 (en) | Apparatus and method for performing handoff in a mobile communication system | |
| US20060116156A1 (en) | Active set selection method for determining cells to be deleted from an active set based on the reception state of an uplink high-speed signal | |
| CN101415240B (en) | Method for regulating search window center and access network | |
| EP1722588A1 (en) | Hard handover method and radio network controller therefor in a mobile telecommunication system | |
| US10285158B2 (en) | Method and arrangement for triggering paging profiling | |
| CN101998464A (en) | Random access parameter automatic optimization method, system and equipment | |
| US20080026759A1 (en) | Handover system | |
| CN100502580C (en) | Method for wireless network controller to capture base station capability | |
| CN101848495B (en) | Random access processing method and processing system | |
| EP1271978A3 (en) | CDMA system and method of detecting faulty mobile device | |
| EP2048897B1 (en) | A method for reducing the risk of dropped calls in a mobile communications network | |
| CN103814620A (en) | Method and apparatus for adjusting random access parameters | |
| US20090170517A1 (en) | Method and apparatus for handling uplink transmission rate in a handover region | |
| CN111065069B (en) | T-BOX data network recovery method and device | |
| CN100596034C (en) | Method for carrying out power control on user device | |
| US20100003925A1 (en) | Insensitive area detecting method and apparatus for the same in radio communication system | |
| KR100292951B1 (en) | Method and apparatus for extending of service radius in mobile communication system | |
| CN101820298B (en) | Communication method utilizing frequency offset, device, base station and base station control device | |
| WO1998049859A1 (en) | A method of and apparatus for tracking propagation delay between a base station and a subscriber unit | |
| CN101431787B (en) | Access control method, system and base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |