CN1787688A - Soft switching processing method of asynchronous CDMA terminal - Google Patents

Soft switching processing method of asynchronous CDMA terminal Download PDF

Info

Publication number
CN1787688A
CN1787688A CNA2005100870937A CN200510087093A CN1787688A CN 1787688 A CN1787688 A CN 1787688A CN A2005100870937 A CNA2005100870937 A CN A2005100870937A CN 200510087093 A CN200510087093 A CN 200510087093A CN 1787688 A CN1787688 A CN 1787688A
Authority
CN
China
Prior art keywords
active set
unit
transmit
message
pilot channel
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.)
Pending
Application number
CNA2005100870937A
Other languages
Chinese (zh)
Inventor
金志宣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics China Research and Development Center Co Ltd
Original Assignee
LG Electronics China Research and Development Center Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Electronics China Research and Development Center Co Ltd filed Critical LG Electronics China Research and Development Center Co Ltd
Publication of CN1787688A publication Critical patent/CN1787688A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection

Abstract

The invention disclosed a method for processing soft handover of an asynchronous CDMA terminal. In the process of the 3G asynchronous terminal which use the third asynchronous CDMA terminal. If the channel reception level measurement information of a neighboring cell is over a cell addition threshold or the cell which in the active set be checked lower than the deleted threshold while using the communication service of a mobile communication terminal, a measurement report message is transmitted to a network. If an active set update message is transmitted from the network, the reception level state of a Common Pilot Channel of the neighboring cell, which is to be added, is re-confirmed, and set update failure message is transmitted to the network, thereby preventing accidents such as call drop, data transmission interruption.

Description

The soft switching processing method of asynchronous CDMA terminal
Technical field
The invention belongs to the mobile communication terminal address technology, particularly the soft switching processing method of asynchronous CDMA terminal.More detailed saying so, 3G asynchronous type terminal will be carried out fault processing to the soft switch message that postpones to transmit from communication network, and transmit bust this message to above-mentioned communication network when being used third generation communication service.
Background technology
Moving the maintenance channel connection status that adds access customer will realize by handoff functionality.The basic conception of above-mentioned handoff functionality is comparatively simple, promptly, when the portable terminal that adds access customer (mobile phone, wireless the Internet appliance, portable unit, personal portable information terminal etc.) in mobile communication system, from a cell moving of said system during to another unit, will set new being connected with new unit, need to remove the connection status of front unit with it simultaneously.
Above-mentioned switching principle is divided into direct-cut operation, soft handover and soft soft handover according to the diversity of being utilized.Simultaneously, above-mentioned soft handover and soft soft handover also can be described as soft-soft soft handover (soft-softer handover), and above-mentioned various handoff functionalities provide by the third generation (3G) mobile communication system.
Fig. 1 is the drawing of the handoff process in 3GPP (the 3th Generation Partnership Project) specification of prior art.As shown in Figure 1, receiving in the process of service by active set unit 2,3,4, the common pilot channel (CPICH) of unit 1 receives the incident of adding limit value that is superior to that detects around taking place, or the common pilot channel that belongs to the unit 2 of active set is when receive detecting rank and being lower than the incident of deletion limit value, and above-mentioned mobile communication terminal will transmit the step S100 of examining report message to communication network.
But, reason owing to radio environment etc., delay along with the messaging activity collection step of updating S110 that is used for soft handover that transmits in the communication network, cause when receiving above-mentioned message, the common pilot channel of unit 1 receives the state that rank has been in rapid reduction, or the common pilot channel receiver stage other places of unit 2 are in the state that takes a turn for the better again, make under above-mentioned 3GPP specification when adding unit 1 to active set or delete cells 2 step S120.Tx/Rx level condition between mobile communication terminal and the communication network will be bad, thereby cause the service in the current use to be interrupted.
Summary of the invention
The object of the present invention is to provide a kind of soft switching processing method of asynchronous CDMA terminal, it is characterized in that, comprise the steps: in the process of the communication service of using mobile communication terminal, exceed the unit and add limit value when the common pilot channel of unit on every side receives rank detection information, or the common pilot channel that belongs to the unit in the active set receives rank detection information and is lower than the element deletion limit value when following, will transmit the step of examining report message to communication network; When communication network postpone to transmit examining report message correspondence be used for the active set updating message of soft handover the time, with unit around needs are added and the step that needs the common pilot channel reception level condition of the active set unit of deletion to confirm again; When the common pilot channel of said units receives level condition generation conversion, will transmit the step that active set upgrades failed message to above-mentioned communication network.
Feature of the present invention also is, when the above-mentioned active set of transmission upgrades failed message, will keep the active set state of the unit in the current connection.
The invention has the beneficial effects as follows in the soft switching process of 3G asynchronous CDMA terminal and will adopt error recovery procedure, accidents such as the dropped calls that can prevent to take place under the particular state, data transmission terminal, thus make the user receive stable mobile communication service.
Description of drawings
Fig. 1 is the drawing of the handoff process in the 3GPP specification of prior art.
Fig. 2 is the structure chart of the 3G WCDMA terminal among the present invention.
Fig. 3 is the drawing of the soft handoff process of the 3G WCDMA terminal among the present invention.
The symbol description of accompanying drawing major part
10: duplexer 20: portion 30 posts a letter: receiving part 40: audio portion
50: control part 60: key input part 70: memory 80: display part
Embodiment
The invention provides a kind of soft switching processing method of asynchronous CDMA terminal.With reference to the accompanying drawings asynchronous CDMA terminal in the embodiment of the invention and soft switching processing method are described in detail.
Fig. 2 is the structure chart of the 3G WCDMA terminal among the present invention.As shown in the figure, in the above-mentioned mobile communication terminal that receives service by third generation communication network, it includes: duplexer 10, the portion 20 that posts a letter, receiving part 30, audio portion 40) control part 50, key input part 60, memory 70 and display part 80.
Duplexer 10 communicates by antenna (ANT) and base station, makes the signal of the portion of posting a letter 20 send the base station to by antenna (ANT), and simultaneously, receiving part 30 will receive the signal that transmit the base station by antenna (ANT).The portion 20 that posts a letter sends the wireless signal that obtains modulating in the audio portion 40 to duplexer 10, particularly according to the control of control part 50, will carry out fault processing and transmits the active set updating message that communication network transmits.Receiving part 30 is controlled by control part 50, is used for the wireless signal of receiving duplexer 10 outputs.
Audio portion 40 is controlled by control part 50, is used for the voice signal by microphone (MIC) input is modulated to wireless signal, simultaneously, the wireless signal that receives by receiving part 30 is carried out demodulation and sends loud speaker (SPK) to as voice signal.
In addition, when audio portion 40 is sent ring signal in the base station, will detect ring signal and the corresponding the tinkle of bells of output by receiving part 30.
Be provided with numerical key and voice mail conversion key and various function key in the key input part 60, make when the user presses set key, will produce corresponding key input signal and output to control part 50.
Display part 80 is controlled by control part 50, is used for the key input signal of key input part 60 generations and the various information signals of control part 50 are presented at picture.
Control part 50 is used to control the general action of mobile communication terminal, in addition, after the examining report message of the active set message correspondence that sends the communication network transmission, when if certain hour postpones to receive, the common pilot channel of the unit in will using current service receives rank and confirms, and when keeping the active set state, transmit active set message to above-mentioned communication network and transmit error message according to the result that it draws.
Memory 70 storage is used to control the blas of mobile communication terminal molar behavior, and stored program carry out in the various data of I/O and processing.
Fig. 3 is the drawing of the soft handoff process of the 3G WCDMA terminal among the present invention.
As shown in Figure 3, soft switching processing method at above-mentioned mobile communication terminal, when mobile communication terminal uses in the process of communication service by active set unit 2,3,4, if the rank detection of the common pilot channel of unit 1 reception on every side information exceeds the unit and adds limit value, or the common pilot channel that belongs to the unit 2 of active set is when receiving rank and being lower than the element deletion limit value, will transmit the step S200 of examining report message to above-mentioned communication network.
After communication network receives examining report message, the detection information between the unit that will transmit according to mobile communication terminal, making is used for the active set updating message of operating in soft handover and sends the step S210 of mobile communication terminal to.
For example, current mobile communication terminal uses the active set in the service to be unit 2,3,4, but unit 1 detection on every side is adding device by moving of user, the unit 2 that belongs to active set simultaneously detects when being the deletion object unit, and above-mentioned mobile communication terminal will transmit above-mentioned detected unit information to communication network.
At this moment, communication network will transmit the active set updating message (adding device 1, delete cells 2) that is used for operating in soft handover by detection information between the unit of mobile communication terminal.
Wherein, if when postponing to send to mobile communication terminal active set updating message owing to moving of user, in the active set updating message that communication network transmits, the common pilot channel of the unit 1 that provides as adding device receives rank will sharply be reduced, from being converted to below the deletion limit value, or receiving rank as the common pilot channel of the unit 2 that provides of deletion object unit will take a turn for the better once more, add the above state of limit value thereby be converted to.
In these cases, mobile communication terminal of the prior art is according to above-mentioned active set updating message, delete cells 2 in the time of adding device 1, thus unit 1,3,4 is used as the active set unit.In mobile communication terminal of the present invention, then the common pilot channel reception level condition of said units 1 and unit 2 is confirmed again, make when change takes place level condition, will transmit the step S230 that active set upgrades failed message to above-mentioned communication network.
At this moment, the active set state of the unit 2,3,4 that uses as active set before above-mentioned mobile communication terminal continues to keep also receives service, thereby the state of unlikely terminal communication service continues to use down.
More than the useful embodiment among the present invention is illustrated, but the present invention is not confined to aforesaid embodiment, in the category of the basic fundamental thought in not exceeding claims of the present invention, the operator of relevant industries can carry out various deformation to it, and above-mentioned change simultaneously all belongs in the claim scope of being put down in writing.

Claims (4)

1. the soft switching processing method of an asynchronous CDMA terminal is characterized in that, includes following steps:
In the process of the communication service of using mobile communication terminal, when the common pilot channel of unit on every side receives rank detection information and exceeds the unit and add limit value, will transmit the step of examining report message to communication network;
When communication network postpone to transmit examining report message correspondence be used for the active set updating message of soft handover the time, the step that the common pilot channel reception level condition of unit around needs are added is confirmed again;
When the common pilot channel of unit receives level condition generation conversion, will transmit the step that active set upgrades failed message to communication network.
2. the soft switching processing method of asynchronous CDMA terminal according to claim 1 is characterized in that, also includes following several steps:
In the process of the communication service of using mobile communication terminal, the common pilot channel of the unit in belonging to active set receives rank detection information and is lower than the element deletion limit value when following, will transmit the step of examining report message to communication network;
To receive the step that level condition is confirmed again to the above-mentioned common pilot channel of the active set unit of deletion that needs.
3. the soft switching processing method of asynchronous CDMA terminal according to claim 1 is characterized in that: when transmitting active set renewal failed message, will keep the active set state of the unit in the current connection.
4. the soft switching processing method of asynchronous CDMA terminal according to claim 1 is characterized in that: when postpone to transmit examining report message correspondence be used for the active set updating message of operating in soft handover the time, will transmit failed message to communication network.
CNA2005100870937A 2004-12-09 2005-07-26 Soft switching processing method of asynchronous CDMA terminal Pending CN1787688A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040103842 2004-12-09
KR1020040103842A KR100622911B1 (en) 2004-12-09 2004-12-09 Management method soft hand over method for w-cdma terminal

Publications (1)

Publication Number Publication Date
CN1787688A true CN1787688A (en) 2006-06-14

Family

ID=36784941

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2005100870937A Pending CN1787688A (en) 2004-12-09 2005-07-26 Soft switching processing method of asynchronous CDMA terminal

Country Status (2)

Country Link
KR (1) KR100622911B1 (en)
CN (1) CN1787688A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101785231A (en) * 2007-08-13 2010-07-21 交互数字专利控股公司 Method and apparatus for accommodating higher order modulation in wireless communication

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100413626B1 (en) * 2001-12-28 2004-01-03 에스케이 텔레콤주식회사 The control method considering the speed of the mobile and the size of the cell in the wirelss systems

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101785231A (en) * 2007-08-13 2010-07-21 交互数字专利控股公司 Method and apparatus for accommodating higher order modulation in wireless communication
CN101785231B (en) * 2007-08-13 2013-05-22 交互数字专利控股公司 Method and apparatus for accommodating higher order modulation in wireless communication
US9215584B2 (en) 2007-08-13 2015-12-15 Interdigital Patent Holdings, Inc. Method and apparatus for accommodating higher order modulation in wireless communication
US9537703B2 (en) 2007-08-13 2017-01-03 Interdigital Patent Holdings, Inc. Method and apparatus for accommodating higher order modulation in wireless communication

Also Published As

Publication number Publication date
KR100622911B1 (en) 2006-09-19
KR20060065108A (en) 2006-06-14

Similar Documents

Publication Publication Date Title
US7844272B2 (en) Method and apparatus for preventing excessive handovers in mobile communication system
JP2022517395A (en) Paging instruction method, paging method, terminal and network side device
US20080032689A1 (en) Mobile phone and forwarding program
EP1890500A1 (en) Method for processing the defeated videophone call based on mobile communication network
KR101517134B1 (en) Mode switching method and device
CN110505664B (en) Parameter adjusting method, device, terminal and storage medium
CN103188372B (en) Mobile terminal and conversation method and conversation system of mobile terminal
CN101888697A (en) Paging method and paging device
CN102843661B (en) Emergency contact method and communication terminal
CN104348947A (en) Method and device of managing incoming call of mobile terminal
US20240007906A1 (en) Voice service switching method and apparatus and user equipment
CN101179794A (en) Mobile communication terminal and call handover method
CN101489269B (en) Method and system for switching exception handling
CN103249104A (en) Data transmission method and device
CN101902517B (en) Communication terminal and incoming call answering method
WO2018014152A1 (en) Method for handling abnormal disconnection of core network, and terminal
CN108419258B (en) Processing method for network communication function abnormity, modem and mobile terminal
US20060270402A1 (en) Mobile radio terminal apparatus
CN111641480B (en) Control method for TCP retransmission times, terminal equipment and storage medium
CN101500199B (en) Message receiving apparatus, processing method and communication terminal
CN1787688A (en) Soft switching processing method of asynchronous CDMA terminal
US7302263B2 (en) Handover in a mobile communication system
CN201345679Y (en) Double-module wireless terminal
CN108966250B (en) Weak signal communication method, mobile terminal and computer readable storage medium
US9282441B2 (en) Mobile communication terminal for PTT and method for processing missed call information thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication