CN101022676B - Method and system for realizing hard switching among insertion network - Google Patents
Method and system for realizing hard switching among insertion network Download PDFInfo
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- CN101022676B CN101022676B CN200710089504A CN200710089504A CN101022676B CN 101022676 B CN101022676 B CN 101022676B CN 200710089504 A CN200710089504 A CN 200710089504A CN 200710089504 A CN200710089504 A CN 200710089504A CN 101022676 B CN101022676 B CN 101022676B
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Abstract
A method for realizing hard switchover between access networks includes making the N number of object access network and access terminal to obtain the same terminal single-play identification used for calculating reverse link long code mask in the N number of hard switchover process of continuous hard switchover carried out by access terminal between access networks, setting N to be positive integer being equal to or greater than 2, calculating long code mask by the N number of object access network according to said the same terminal single-play identification and demodulating reverse link signal of said access terminal.
Description
Technical field
The present invention relates to wireless communication technology field, refer to especially realize the method and system and the Access Network of direct-cut operation between Access Network and access terminal.
Background technology
Access Network (AN, Access Network) is meant that end office (EO) is to all machine wire apparatus between the local loop, be by a series of transmission entities between SNI (SNI) and the associated user's network interface (UNI), for example line facility and transmission facilities etc. are formed, for transmitting the implementation system that telecommunication service provides required bearing capacity.
At present, in the 3GPP2 standard, pass through the activated state direct-cut operation between A16 interface realization AN between AN.Access terminal (AT, Access Terminal) between AN, in the process of direct-cut operation, do not interrupt if eat dishes without rice or wine to connect, then the reverse link Long Code Mask of AT (LCM, Long Code Mask) does not change all the time.The reverse link LCM of AT is that the terminal clean culture sign (UATI, Unicast Access Terminal Identifier) of the professional place Access Network assignment initially carried out according to AT is calculated, so this UATI is called LCM_UATI.
Fig. 1 is in the prior art, and AT carries out the flow chart of direct-cut operation between Access Network.As shown in Figure 1, the source Access Network of AT, promptly the Access Network of the professional place subnet initially carried out of AT represents that with AN1 target access network represents that with AN2 AT carries out direct-cut operation between AN1 and AN2 process may further comprise the steps:
Step 101, AN1 carries out hard handoff decision, when need carrying out direct-cut operation, the AN1 judgement sends handoff request to AN2 by the A16 interface, handoff request is specially A16 conversation shift request (A16-Session Transfer Request) message, carry identify label (AT-ID1) and session state information record (SSIR, Session State Information Record) information of AT in this message.In this step, AT-ID1 is the UATI of AN1 to the AT assignment, i.e. LCM_UATI.
Step 102, AN2 then carries out resource allocation to AT if accept switching, comprises using AT-ID1 (being LCM_UATI) as the suction parameter of calculating LCM.After AN2 finishes resource allocation, return handoff response to AN1, handoff response is specially A16 conversation shift response (A16-SessionTransfer Response) message.
Step 103, AN1 is to AT transmitting channel assignment (TCA, Traffic Channel Assignment) message, and indication AT switches to AN2.
Step 104, AN1 sends handoff completion message to AN2, and the message that switching is finished is specially the A16 conversation shift and finishes (A16-Session Complete) message, carries LCM_UATI in this message.
Step 105, AT finishes (Traffic Channel Complete) message to the assignment of AN2 transmitting channel.
Step 106 after AN2 determines the AT handover success, when AN1 and AN2 do not belong to same subnet, is given the new UATI of AT assignment, represents with UATI2.
Step 107, AN2 sends resource to AN1 and discharges indication information, and indication AN2 discharges resource.
Arrive this, AT has finished the direct-cut operation between AN1 and AN2, and AN2 utilizes AT-ID1 (being LCM_UATI) to calculate reverse link LCM, and with the reverse link signal of this LCM demodulation AT.
As shown in Figure 1, AT carries out between AN1 and AN2 in the process of direct-cut operation, does not interrupt owing to eat dishes without rice or wine to connect, and therefore, the reverse link LCM of AT is the LCM for calculating for the UATI of its assignment according to AN1 still.Although AN2 in step 106 to the AT assignment new UATI, the reverse link LCM of AT can not use new UATI to calculate yet.
In some cases, AT might recur the direct-cut operation of striding AN and striding subnet in a business procedure.Fig. 2 is in the prior art, and AT carries out the flow chart that cross-over connection networks and strides the direct-cut operation of subnet continuously.As shown in Figure 2, AT has carried out direct-cut operation for the second time again between AN2 and AN3 when business does not finish after having carried out the direct-cut operation first time between AN1 and AN2; In first time direct-cut operation, AN1 is the 1st source Access Network of AT, i.e. the Access Network of the professional place subnet initially carried out of AT, and AN2 is the 1st target access network; In second time direct-cut operation, AN2 is the 2nd source Access Network, and AN3 is the 2nd target access network, and the rest may be inferred.The process of direct-cut operation may further comprise the steps AT for the first time carrying out direct-cut operation between AN1 and the AN2 and carry out for the second time between AN2 and AN3:
Step 201～step 207 is with step 101～step 107.
Arrive this, AT has finished from the direct-cut operation first time between the 1st source Access Network AN1 to the 1 target access network AN2, and AN2 utilizes AT-ID1 (being LCM_UATI) to calculate LCM, and with the reverse link signal of this LCM demodulation AT.
Step 208, AN2 carries out hard handoff decision, when need carrying out direct-cut operation, the AN2 judgement sends handoff request to AN3 by the A16 interface, handoff request is specially A16 conversation shift request (A16-Session Transfer Request) message, the identify label AT-ID2 and the SSIR message of carrying AT in this message.In this step, AT-ID2 is the new UATI2 of AN2 to the AT assignment.
Step 209, AN3 then carries out resource allocation to AT if accept switching, comprises using AT-ID2 (being UATI2) as the suction parameter of calculating LCM.After AN3 finishes resource allocation, return handoff response to AN2, handoff response is specially A16 conversation shift response (A16-Session TransferResponse) message.
Step 210, AN2 is to AT transmitting channel assignment TCA message, and indication AT switches to AN3.
Step 211, AN2 sends to AN3 and switches the message of finishing, and carries LCM_UATI in this message.
Step 212, AT finishes message to the assignment of AN3 transmitting channel.
Step 213 after AN3 determines the AT handover success, because AN2 and AN3 do not belong to same subnet, therefore to the new UATI of AT assignment, is represented with UATI3.
Step 214, AN3 sends resource to AN2 and discharges indication information, and indication AN2 discharges resource.
Arrive this, AT has finished from the direct-cut operation flow process between the 2nd source Access Network AN2 to the 2 target access network AN3, but because AN3 uses AT-ID2 (being UATI2) as the suction parameter of calculating LCM in step 209, and the reverse link LCM of AT is still and calculates according to LCM_UATI, therefore, AN3 can not demodulation AT reverse link signal, finally cause the direct-cut operation failure of AT from AN2 to AN3.
Summary of the invention
The main purpose of the embodiment of the invention is to provide a kind of method that realizes direct-cut operation between Access Network, and this method can be avoided the direct-cut operation failure that causes because of reverse link signal that target access network can not demodulation accesses terminal.
The embodiment of the invention provides a kind of system that realizes direct-cut operation between Access Network, and this system can avoid the direct-cut operation failure that causes because of reverse link signal that target access network can not demodulation accesses terminal.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
The embodiment of the invention discloses a kind of method that realizes direct-cut operation between Access Network, this method comprises:
Access terminal and carry out between Access Network in the N time direct-cut operation of continuous direct-cut operation, the N target access network obtains the terminal clean culture sign that the reverse link Long Code Mask is calculated in identical being used to accessing terminal; N is the positive integer more than or equal to 2;
The N target access network is according to the reverse link Long Code Mask that is calculated by described identical terminal clean culture sign, the reverse link signal that demodulation accesses terminal;
Wherein, described N target access network obtains the method that identical being used to calculate the terminal clean culture sign of reverse link Long Code Mask and comprises with accessing terminal:
Access terminal and between Access Network, carry out in the N time direct-cut operation of continuous direct-cut operation, use all the time and when the Access Network of N source, calculate the employed terminal clean culture sign of reverse link Long Code Mask; The N target access network obtains to access terminal and calculates the employed terminal clean culture sign of reverse link Long Code Mask; Or
The indication of N target access network accesses terminal and uses the employed terminal clean culture sign of the current calculating reverse link of N target access network Long Code Mask to calculate the reverse link Long Code Mask.
The embodiment of the invention discloses a kind of system that realizes direct-cut operation between Access Network, this system comprises: access terminal, N source Access Network and N target access network, N is the positive integer more than or equal to 2, wherein,
Access terminal, be used between Access Network, carrying out continuous direct-cut operation, switching to the N time direct-cut operation of N target access network, obtain the terminal clean culture sign that the reverse link Long Code Mask is calculated in be used to identical with the N target access network from N source Access Network;
The N target access network, be used to obtain the terminal clean culture sign of calculating the reverse link Long Code Mask with identical being used to that access terminal, and go out reverse link Long Code Mask, the reverse link signal that demodulation accesses terminal according to what calculate by described identical terminal clean culture sign;
Wherein, described accessing terminal is used for carrying out the N time direct-cut operation of continuous direct-cut operation between Access Network, uses all the time and calculate the employed terminal clean culture sign of reverse link Long Code Mask when the Access Network of N source; Described N target access network is used to obtain the employed terminal clean culture sign of calculating reverse link Long Code Mask that accesses terminal; Or
Described N target access network is used for indicating the employed terminal clean culture sign of the current calculating reverse link of the use N target access network Long Code Mask calculating reverse link Long Code Mask that accesses terminal.
As seen from the above technical solution, the embodiment of the invention is by carrying out between Access Network in the N time direct-cut operation of continuous direct-cut operation accessing terminal, make the N target access network obtain the employed terminal clean culture of identical calculating reverse link Long Code Mask sign with accessing terminal, N is the positive integer more than or equal to 2, the N target access network calculates the reverse link Long Code Mask according to described identical terminal clean culture sign, and the technical scheme of the reverse link signal that accesses terminal of demodulation, avoided accessing terminal and between Access Network, carried out in the process of continuous direct-cut operation, the direct-cut operation failure that the reverse link signal that can not demodulation accesses terminal because of target access network causes.
Description of drawings
Fig. 1 is in the prior art, and AT carries out the flow chart of direct-cut operation between Access Network;
Fig. 2 is in the prior art, and AT carries out the flow chart that cross-over connection networks and strides the direct-cut operation of subnet continuously;
Fig. 3 is the embodiment of the invention, a kind of flow chart of realizing the method for direct-cut operation between Access Network;
Fig. 4 is the present invention, the structured flowchart of a kind of first embodiment of the system that realizes direct-cut operation between Access Network;
Fig. 5 is the structured flowchart of the N source Access Network among Fig. 4;
Fig. 6 is the present invention, the structured flowchart of a kind of second embodiment of the system that realizes direct-cut operation between Access Network;
Fig. 7 is the structured flowchart of the N target access network among Fig. 6;
Fig. 8 is the present invention, the structured flowchart of a kind of the 3rd embodiment of the system that realizes direct-cut operation between Access Network;
Fig. 9 is the structured flowchart of the N target access network among Fig. 8;
Figure 10 is the structured flowchart that accesses terminal among Fig. 8.
Embodiment
Fig. 3 is the embodiment of the invention, and a kind of flow chart of realizing the method for direct-cut operation between Access Network as shown in Figure 3, may further comprise the steps:
Step 301 accesses terminal and carries out between Access Network in the N time direct-cut operation of continuous direct-cut operation, N target access network and the terminal clean culture sign that accesses terminal and obtain identical calculating reverse link Long Code Mask; N is the positive integer more than or equal to 2.
Step 302, the N target access network calculates the reverse link Long Code Mask according to described identical terminal clean culture sign, and the reverse link signal that accesses terminal of demodulation.
By above-mentioned steps can avoid because target access network can not demodulation AT reverse link signal cause the situation of direct-cut operation failure.
The N target access network that the embodiment of the invention provides can be divided into two classes with the scheme that AT obtains the terminal clean culture sign of identical calculating reverse link Long Code Mask: in the N time direct-cut operation that a kind of AT of being switches between Access Network continuously, connect as long as eat dishes without rice or wine and not interrupt, then use the terminal clean culture sign of when the Access Network of N source, using all the time, calculate the reverse link Long Code Mask, promptly access terminal after switching to the N target access network, still use and when the Access Network of N source, calculate the employed terminal clean culture sign of reverse link Long Code Mask, calculate current reverse link Long Code Mask; The N target access network obtains to access terminal and calculates the employed terminal clean culture sign of reverse link Long Code Mask, in order to the reverse link signal of demodulation AT; Another kind is that the N target access network indicates the employed terminal clean culture sign of the current calculating reverse link of use N target access network Long Code Mask that accesses terminal to calculate the reverse link Long Code Mask.
Carrying out double process of cutting firmly with AT among Fig. 2 between AN1, AN2 and AN3 below is example, describe in further detail in AT carries out continuous direct-cut operation between Access Network the N time direct-cut operation, all the time use the terminal clean culture sign of when the Access Network of N source, using, calculate the reverse link Long Code Mask; And the N target access network obtains AT and calculates the employed terminal clean culture sign of reverse link Long Code Mask, in order to two kinds of schemes of the reverse link signal of demodulation AT.
Scheme 1, AT carries out between AN in the process of continuous direct-cut operation, and N source Access Network can carry to access terminal in the handoff request that sends to the N target access network and calculate the employed terminal clean culture sign of reverse link Long Code Mask, specifically may further comprise the steps:
Step a1～step a7 is with the step 201 among Fig. 2～step 207.
Step a8, the 2nd source Access Network AN2 carries out hard handoff decision, sends handoff request by the A16 interface to AN3 when the AN2 judgement need be carried out direct-cut operation, carries LCM_UATI in the handoff request.
Step a9, the 2nd target access network AN3 then carries out resource allocation to AT if accept switching, comprises using the LCM_UATI that carries in the handoff request as the suction parameter of calculating LCM.After AN3 finishes resource allocation, return handoff response to AN2.
Step a10～step a14 is with the step 210 among Fig. 2～step 214.
In above-mentioned steps, the 2nd target access network AN3 obtains LCM_UATI from the handoff request message that AN2 sends, be used to calculate LCM, uses the reverse link signal of LCM demodulation AT again, thereby has avoided the direct-cut operation failure second time of AT.
In step a8, when described handoff request was specially A16 conversation shift request (A16-SessionTransfer Request) message, its concrete form that carries LCM_UATI was as shown in table 1:
Table 1
Scheme 2, N source Access Network carries to access terminal in the handoff completion message that sends to the N target access network and calculates the employed terminal clean culture sign of reverse link Long Code Mask, and the N target access network is the terminal clean culture sign of carrying in the handoff completion message with the suction parameter online modification that self calculates LCM, specifically may further comprise the steps:
Step b1～step b11 is with the step 201 among Fig. 2～step 211.
After step b12, AN3 received the handoff completion message of AN2 transmission, the suction parameter of self being calculated LCM changed to LCM_UATI from online the repairing of AT-ID2.Like this, the reverse link signal that AN3 just can demodulation AT.
Step b13～step b15 is with the step 212 among Fig. 2～step 214.
Therefore such scheme all is that example further specifies technical scheme of the present invention with Fig. 2, and in AT switches to AN3 from AN2 second time the direct-cut operation, AT still uses the UATI of the 1st source Access Network AN1 for its assignment.But in the N time direct-cut operation of AT, N is the positive integer more than or equal to 2, and the UATI that AT uses also might not be the UATI value of the 1st source Access Network AN1 for its assignment, but other UATI value.
Next, still carrying out double process of cutting firmly with AT among Fig. 2 between AN1, AN2 and AN3 is example, the N target access network is described in further detail after the new terminal clean culture sign of the assignment that accesses terminal, indication accesses terminal and uses the terminal clean culture of N target access network assignment to identify the Long Code Mask scheme of calculating reverse link, specifically may further comprise the steps:
Step c1～step c13 is with the step 201 among Fig. 2～step 213.
Step c14, AN3 sends General attribute update protocol (GAUP, Generic AttributeUpdate Protocol) message to AT, and it is the new UATI3 calculating reverse link LCM of its assignment that notice AT uses AN3;
Step c15, AT are after receiving the GAUP message that AN3 sends, and using AN3 is the UATI3 calculating reverse link LCM of its assignment.Like this, AN3 just can enoughly oneself be that the terminal clean culture sign UATI3 of access terminal AT assignment calculates LCM, and with the reverse link signal of this LCM demodulation AT.
Step c16 is with the step 214 among Fig. 2.
Step c16 also can carry out before step c14.
Fig. 4 is the present invention, the structured flowchart of a kind of first embodiment of the system that realizes direct-cut operation between Access Network.As shown in Figure 4, this system comprises: access terminal 401, N source Access Network 402 and N target access network 403.N is the positive integer more than or equal to 2 in the present embodiment, and the value of N no longer repeats also with the value in the present embodiment in the following examples.
In Fig. 4, access terminal 401, be used between Access Network, carrying out continuous direct-cut operation, and switching to the N time direct-cut operation of N target access network 403 from N source Access Network 402, all the time use the terminal clean culture sign of when the Access Network 402 of N source, using, calculate the reverse link Long Code Mask; N source Access Network 402 is used for sending handoff request to N target access network 403, and handoff request is wherein carried described accessing terminal and calculated the employed terminal clean culture sign of reverse link Long Code Mask; N target access network 403 is used to receive the handoff request that described N source Access Network 402 sends, and calculates the reverse link Long Code Mask according to the terminal clean culture sign of carrying in the handoff request, and access terminal 401 reverse link signal of demodulation.
Fig. 5 is the structured flowchart of the N source Access Network among Fig. 4.As shown in Figure 5, N source Access Network 402 comprises handoff request sending module 501, is used for sending handoff request to N target access network 502, carries described accessing terminal in the handoff request and calculates the employed terminal clean culture sign of reverse link Long Code Mask.
Fig. 6 is the present invention, the structured flowchart of a kind of second embodiment of the system that realizes direct-cut operation between Access Network.As shown in Figure 6, this system comprises: access terminal 601, N source Access Network 602 and N target access network 603.
In Fig. 6, access terminal 601, be used between Access Network, carrying out continuous direct-cut operation, and switching to the N time direct-cut operation of N target access network 603 from N source Access Network 602, all the time use the terminal clean culture sign of when the Access Network 602 of N source, using, calculate the reverse link Long Code Mask; N source Access Network 602 is used for sending handoff completion message to N target access network 603, wherein carries the described employed terminal clean culture sign of 601 calculating reverse link Long Code Masks that accesses terminal; N target access network 603 is used to receive the handoff completion message that N source Access Network 602 sends, and with the online terminal clean culture sign of carrying in the handoff completion message that is revised as of the terminal clean culture sign of self calculating the reverse link Long Code Mask.
Fig. 7 is the structured flowchart of the N target access network among Fig. 6.As shown in Figure 7, N target access network 603 comprises online update module 701, is used for the terminal clean culture of N source Access Network 603 calculating reverse link Long Code Masks is identified the terminal clean culture sign that the online handoff completion message that is revised as 602 transmissions of N source Access Network carries.
Fig. 8 is the present invention, the structured flowchart of a kind of the 3rd embodiment of the system that realizes direct-cut operation between Access Network.As shown in Figure 8, this system comprises: access terminal 801, N source Access Network 802 and N target access network 803.
In Fig. 8, access terminal 801, be used between Access Network, carrying out continuous direct-cut operation, and in the N time direct-cut operation, switch to N target access network 803 from N source Access Network 802; N target access network 803 is used for after the new terminal clean culture sign of 801 assignments that access terminal, and calculates the indication information of reverse link Long Code Mask to the 801 terminal clean culture signs that send the assignment of use N target access network that access terminal; Access terminal 801 behind the indication information that receives 803 transmissions of N target access network, use the terminal clean culture sign of N target access network 803 assignments to calculate the reverse link Long Code Mask; N target access network 803 calculates the reverse link Long Code Mask according to own terminal clean culture sign to 801 assignments that access terminal, and access terminal 801 reverse link signal of demodulation.
Fig. 9 is the structured flowchart of the N target access network among Fig. 8.As shown in Figure 9, N target access network 803 comprises indication information sending module 901, is used for making the employed terminal clean culture sign of 801 use N target access networks, 803 current calculating reverse link Long Code Masks that accesses terminal calculate the indication information of reverse link Long Code Mask to 801 transmissions that access terminal.
Figure 10 is the structured flowchart that accesses terminal among Fig. 8.As shown in figure 10, access terminal and 801 comprise update module 1001, be used for accessing terminal the N time direct-cut operation of 801, after receiving the indication information of N target access network 803 transmissions, be the terminal clean culture sign of N target access network 803 for 801 assignments that access terminal with the 801 terminal clean culture identification renewals that calculate the reverse link Long Code Masks that access terminal.
Provide three embodiment that realize direct-cut operation between Access Network among Fig. 4, Fig. 6 and Fig. 8, promptly provided three kinds of schemes of avoiding direct-cut operation failure between Access Network.Access terminal in the one-time continuous direct-cut operation between Access Network, may use a kind of scheme in three kinds of schemes that provide among Fig. 4, Fig. 6 and Fig. 8, or two kinds of schemes, or three kinds of schemes.
In sum, the embodiment of the invention is by carrying out between Access Network in the N time direct-cut operation of continuous direct-cut operation accessing terminal, make the N target access network obtain the employed terminal clean culture of identical calculating reverse link Long Code Mask sign with accessing terminal, N is the positive integer more than or equal to 2, the N target access network calculates the reverse link Long Code Mask according to described identical terminal clean culture sign, and the technical scheme of the reverse link signal that accesses terminal of demodulation, avoided accessing terminal and between Access Network, carried out in the process of continuous direct-cut operation, the direct-cut operation failure that the reverse link signal that can not demodulation accesses terminal because of target access network causes.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method that realizes direct-cut operation between Access Network is characterized in that, this method comprises:
Access terminal and carry out between Access Network in the N time direct-cut operation of continuous direct-cut operation, the N target access network obtains the terminal clean culture sign that the reverse link Long Code Mask is calculated in identical being used to accessing terminal; N is the positive integer more than or equal to 2;
The N target access network is according to the reverse link Long Code Mask that is calculated by described identical terminal clean culture sign, the reverse link signal that demodulation accesses terminal;
Wherein, described N target access network obtains the method that identical being used to calculate the terminal clean culture sign of reverse link Long Code Mask and comprises with accessing terminal:
Access terminal and between Access Network, carry out in the N time direct-cut operation of continuous direct-cut operation, use all the time and when the Access Network of N source, calculate the employed terminal clean culture sign of reverse link Long Code Mask; The N target access network obtains to access terminal and calculates the employed terminal clean culture sign of reverse link Long Code Mask; Or
The indication of N target access network accesses terminal and uses the employed terminal clean culture sign of the current calculating reverse link of N target access network Long Code Mask to calculate the reverse link Long Code Mask.
2. the method for claim 1 is characterized in that, described N target access network obtains the employed terminal clean culture sign of calculating reverse link Long Code Mask that accesses terminal and comprises:
N source Access Network carries described accessing terminal and calculates the employed terminal clean culture sign of reverse link Long Code Mask in the handoff request that sends to the N target access network; Or
N source Access Network carries described accessing terminal and calculates the employed terminal clean culture sign of reverse link Long Code Mask in the handoff completion message that sends to the N target access network, the N target access network is with the online terminal clean culture sign of carrying in the described handoff completion message that is revised as of the terminal clean culture sign of self calculating the reverse link Long Code Mask.
3. the method for claim 1, it is characterized in that described N target access network is indicated to access terminal and used the employed terminal clean culture sign of the current calculating reverse link of N target access network Long Code Mask calculating reverse link Long Code Mask to comprise: the N target access network is carrying the indication information that making the employed terminal clean culture sign of the current calculating reverse link of use N target access network Long Code Mask that accesses terminal calculate the reverse link Long Code Mask in the General attribute update protocol message that sends that accesses terminal.
4. a system that realizes direct-cut operation between Access Network is characterized in that, this system comprises: access terminal, N source Access Network and N target access network, N is the positive integer more than or equal to 2, wherein,
Access terminal, be used between Access Network, carrying out continuous direct-cut operation, switching to the N time direct-cut operation of N target access network, obtain the terminal clean culture sign that the reverse link Long Code Mask is calculated in be used to identical with the N target access network from N source Access Network;
The N target access network, be used to obtain the terminal clean culture sign of calculating the reverse link Long Code Mask with identical being used to that access terminal, and according to the reverse link Long Code Mask that calculates by described identical terminal clean culture sign, the reverse link signal that demodulation accesses terminal;
Wherein, described accessing terminal is used for carrying out the N time direct-cut operation of continuous direct-cut operation between Access Network, uses all the time and calculate the employed terminal clean culture sign of reverse link Long Code Mask when the Access Network of N source; Described N target access network is used to obtain the employed terminal clean culture sign of calculating reverse link Long Code Mask that accesses terminal; Or
Described N target access network is used for indicating the employed terminal clean culture sign of the current calculating reverse link of the use N target access network Long Code Mask calculating reverse link Long Code Mask that accesses terminal.
5. system as claimed in claim 4 is characterized in that,
Described accessing terminal in the N time direct-cut operation used all the time and calculate the employed terminal clean culture sign of reverse link Long Code Mask when the Access Network of N source, calculates the reverse link Long Code Mask;
Described N source Access Network sends handoff request to described N target access network, carries described accessing terminal in the handoff request and calculates the employed terminal clean culture sign of reverse link Long Code Mask;
Described N target access network receives the handoff request that described N source Access Network sends, and the terminal clean culture sign of carrying in the described handoff request is identified as the terminal clean culture of self calculating the reverse link Long Code Mask.
6. system as claimed in claim 5 is characterized in that, described N source Access Network comprises:
The handoff request sending module is used for sending handoff request to the N target access network, carries described accessing terminal in the handoff request and calculates the employed terminal clean culture sign of reverse link Long Code Mask.
7. system as claimed in claim 4 is characterized in that,
Described accessing terminal in the N time direct-cut operation used all the time and calculate the employed terminal clean culture sign of reverse link Long Code Mask when the Access Network of N source, calculates the reverse link Long Code Mask;
Described N source Access Network sends handoff completion message to described N target access network, and carrying in the handoff completion message accesses terminal calculates the employed terminal clean culture sign of reverse link Long Code Mask;
Described N target access network receives the handoff completion message that described N source Access Network sends, and the terminal clean culture of self calculating the reverse link Long Code Mask is identified the online terminal clean culture sign that described handoff completion message carries that is revised as.
8. system as claimed in claim 7 is characterized in that, described N target access network comprises:
The online updating module is used for the terminal clean culture of described N target access network calculating reverse link Long Code Mask is identified the online terminal clean culture sign that described handoff completion message carries that is revised as.
9. system as claimed in claim 4 is characterized in that,
Described N target access network sends the indication information that the terminal clean culture sign of using the assignment of N target access network is calculated the reverse link Long Code Mask to accessing terminal after the new terminal clean culture sign of the assignment that accesses terminal;
Access terminal after receiving described indication information, use the terminal clean culture sign of N target access network assignment to calculate the reverse link Long Code Mask;
The N target access network identifies described terminal clean culture sign to the assignment that accesses terminal as the terminal clean culture of self calculating the reverse link Long Code Mask.
10. system as claimed in claim 9 is characterized in that,
Described N target access network comprises: the indication information sending module is used for sending the terminal clean culture of using the assignment of described N target access network to accessing terminal and identifies the indication information that calculates the reverse link Long Code Mask;
Described accessing terminal comprises: update module, be used for after receiving the indication information that the N target access network sends, the terminal clean culture identification renewal that calculates the reverse link Long Code Mask with accessing terminal is that the N target access network is the terminal clean culture sign of assignment of accessing terminal.
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| CN1267988A (en) * | 1999-10-16 | 2000-09-27 | 深圳市华为技术有限公司 | Method of realizing cut-in network bypass |
| CN1487689A (en) * | 2002-06-03 | 2004-04-07 | ���ǵ�����ʽ���� | Method and equipment for multiplex transmission of block data in moblie communication system |
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2007
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267988A (en) * | 1999-10-16 | 2000-09-27 | 深圳市华为技术有限公司 | Method of realizing cut-in network bypass |
| CN1487689A (en) * | 2002-06-03 | 2004-04-07 | ���ǵ�����ʽ���� | Method and equipment for multiplex transmission of block data in moblie communication system |
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