WO2010148810A1

WO2010148810A1 - Method and system for handover in voice local switching

Info

Publication number: WO2010148810A1
Application number: PCT/CN2010/072745
Authority: WO
Inventors: 曹艳春
Original assignee: 中兴通讯股份有限公司
Priority date: 2009-11-24
Filing date: 2010-05-13
Publication date: 2010-12-29
Also published as: CN101702817B; CN101702817A

Abstract

The present invention discloses a method for handover in voice local switching. A first Base Transceiver Station (BTS), a second BTS and a third BTS are all controlled and managed by the same Base Station Controller (BSC), and in the voice local switching mode, a mobile terminal under the first BTS and a mobile terminal under the second BTS perform a conversation. In the process of the conversation, the mobile terminal under the first BTS needs to be handed over to the third BTS, and said method for handover includes: according to the measurement report sent from the BTSs, the BSC makes a handover decision that the mobile terminal under the first BTS is handed over to the third BTS, and a voice data transmission link is established between the third BTS and the second BTS; the BSC hands over said mobile terminal from the first BTS to the third BTS; and the BSC releases the voice data transmission link between the second BTS and the first BTS. The present invention also discloses a system for handover in voice local switching. The method and system of the present invention can enable seamless handover in voice local switching.

Description

Method of local exchange and the field of wood

This is related to switching in the field of communication, said Hugh, and involves switching methods and systems in the local communication system (GS, Ooba Syse O ob eCoca o s). Background

In GS, the exchange in the pass is in the exchange (SC ob e Sw ch gCe eT) or the controller ( S , ase Sa o Co To e ).

(T, aseTa sceve Sa o ) SC with the use of (P, eT e ooco) and work, see, a lot of larger shadows, ,, etc., may even cause sheep, and so on.

In the exchange, the terminal may switch, the terminal of the TS and the terminal of the second T, and the terminal of the TS is switched to the third TS, the terminal of the second T.

The terminal can be handwritten.

The following is a handwritten example to illustrate the switching method in the existing wood exchange. Among them, the TS, the second TS, and the third TS are managed by the same SC. In TS's handwriting, in the second TS's handwriting, Tongzhong, in TS's 0 handwriting switch to the third TS, the second TS's handwriting.

As shown in Figure 1, switching includes

Control 100 process

Step S SC TS measurement makes handover decision handover decision The third TS next live command is allocated to each of the steps S2 and the third TS to the SC, indicating that each of the good steps S3 is connected to the third TS of the TS and is switched to the third T.

Step S4 SC Release SC TS The same letter, the previous control work is completed

On the process of controlling 100, and under the flow of each 200

Switching between the handwriting of the TS and the handwriting of the second TS The process of switching between the handwriting of the second TS and the handwriting of the third TS is exactly the same. The switching mode of the second TS and the third TS is switched.

Upstream

Step S The third T's handwritten to the third TS

Step S, the third TS will go to the SC,

Step S12 SC will be sent to SC again

Downstream

Step S13 SC receives the SC, will

SC

Step S14 SC will be the second TS,

Step S15 The second TS is again placed under the handwriting.

In the middle, before the switch, the handwriting is sent out,

To TS, TS in P SC, SC E or P to SC, reverse the way, to another hand. Same

T SC TS SC SC is the same, therefore, multiple times, switching SC TS with the same b, SC SC same A P's, .

In order to solve this problem, this paper proposes a local exchange method (200910207581.5). Local exchange means that the calling terminals are all in the same TS or the different TSs connected to the P (shown in 2), and the local users are established in the same channel as the TS, that is, the switched channel, the channel is established, and the TS SC has no users. Up and down, in the same TS. The rest scheme with local exchange method is no longer here.

The local switch wood is directly connected to the TS connection, the local exchange is no longer SC and SC, but directly in the TS, SC and TS, SC and SC are the same, the same, reducing the sound and editing, eliminating the shadow of the harmony , increased. In particular, use P or both TS and SC.

In the case of the amount of goodness.

Looking at the introduction of the local exchange method, the handover in the local exchange is especially switched to a new one. Content

This provides the switching method and system in the local exchange, and the meta switching in the local exchange.

For the purpose of the purpose

The present invention provides a handover method in the local exchange, and the TS, the second TS, and the third TS are both controlled and managed by the same controller SC, and the terminal of the TS and the terminal of the second TS are in the local exchange mode, and the terminal of the T is required. Switching to the third TS switching method includes

The measurement of SC TS makes the terminal of the handover decision T Switching to the third BTS, establishing between the third TS and the second TS

After the path is established, the SC switch command is applied to the terminal of the TS, and the terminal TS is switched to the third TS.

SC Interpretation Command The second TS, the second TS TS is the same.

The third TS second TS and the establishing step include the SC constructing a message and a message to the third TS third TS, and the second TS second TS local building message.

The third TS local construction message includes the P address used by the local exchange of the second TS and the second TS local construction message contains the P address and the local exchange used by the third TS.

Wherein, in the third TS, the second TS is the same as the step of establishing

The third TS receives the third TS local construction message, the road establishment message, the second TS

The second TS receives the second TS local construction message, the road establishment message, the third T

Wherein, in the third TS, the second TS and the establishing step are the third TS message body and each, to the SC, the message contains the third TS's local exchange using the P address and .

The third TS and the second TS are respectively established on the received path, and the message is completed on the SC.

The release command contains the P address of the TS and .

Wherein, the switching method step includes the second TS, the same TS The third TS and the second TS of the terminal switched to the third TS and the terminal of the second TS are the same.

The switch system in the local exchange is provided, including the SC, the TS, the second TS, and the third TS. The TS, the second TS, and the third TS are controlled by the same SC. The SC step includes the handover decision sheep, sheep, and handover. Control the sheep and control the sheep's rest

The terminal under the TS and the terminal under the second TS are in the local exchange mode, and the terminal of the TS needs to switch to the third TS.

Switching decision sheep, the measurement of the root TS makes a handover decision TS terminal switches to the third TS, the command sheep, the root command, the third TS second TS is established, the road is established, the switch is completed, the control sheep

Switching control sheep, after receiving the completion, switching the command to the TS terminal, switching the terminal TS to the third TS, and the third TS at the terminal, switching successfully.

Control the sheep, after receiving the handover success, command the second TS, the second TS TS the same.

Among them, the sheep step is built to the third TS third TS local information, and the second TS second TS is built locally.

The third TS locally constructs a P address that is used by the local exchange of the second TS and a P address that is used by the local exchange that includes the third TS. Wherein, the third TS is in the receipt of the third TS local construction message,

The second TS, and the second TS of the message are received by the second TS.

Road establishment message third T

The switching method and system in the local exchange provided by the present invention are switched between the terminal successfully switching, the re-release scheme, and the function, so as to smooth the switch to the switching path.

Description

1 Switching process in existing wood exchange

2 In the local exchange

3 force local switching in local exchange

4 force local switching method flow in local exchange

5 force local switching method in local exchange

6 force local switching in the local exchange system.

Hugh way

The basic idea of this is that the measurement of SC TS makes a handover decision. In the third TS, the second TS is established, and the terminal TS is switched to the third TS, and the second TS is released, and the second TS is the same as TS. Since the SC is successfully switched at the terminal, it is released and smoothed.

3 indicates the switching in the local exchange. 3, the TS, the second TS, and the third BTS are all managed by the same SC, in the TS The terminal and the terminal under the second TS switch to the third TS in the local exchange mode, and the terminal of the second TS in the local exchange mode. Hugh's switch 4.

As shown in 4, the switching method in the local exchange includes

Step S41 Measurement of SC TS Making a handover decision TS The terminal switches to the third TS, and the third TS is established with the second TS

.

Step S42 is established, the SC switching command is at the terminal of the T, and the terminal TS is switched to the third TS step. Since the second TS is the same as the TS, the second TS will be the same TS of the terminal under it. And the third TS, receiving the TS and the third TS.

Step S43 SC commands the second TS, the second TS and the TS are the same.

5, the terminal of the TS switch to the third TS second T of the terminal includes

Control 500 up and down

Step S51 Measurement of SC TS The terminal making the handover decision T switches to the third TS.

Step S52, SC constructs a message and a message to the third TS third TS, and locally constructs a message to the second TS second BTS.

The third TS local construction message includes the P address used by the local exchange of the second TS and the same, the SC establishes a message to the second TS second TS, and the second TS local construction message includes the local exchange of the third TS. P address and □. Step S53: The third TS receives the third TS local construction message.

The second TS message is connected to the second TS message, and the second TS receives the second TS local construction message, and the second TS receives the P address of the local exchange used by the third TS.

Road establishment message third T

Step S54: The third TS and the second TS are respectively established on the received path, and the message is completed to the SCJ. The SC phase path is established. Since the second TS and the third TS are successfully established, the second TS TS is the same. The unreleased, therefore, the TS will be the same as the TS and the third TS of the terminal under it, with the reception of the TS and the third TS

The SC receives the completion message of the third TS and the second TS, respectively, and the third TS is successfully established.

Step S55: The SC receives the completion message of the third TS and the second TS, and switches the command to the terminal of the TS to switch the terminal from the TS to the third TS.

Step S56 SC releases the message to the second TS, explaining that the second TS and the TS are the same

The message contains the P address of the TS and .

Step S57 Second TS Release Second TS and TS Same

, , Release message S

Step S58 The third TS is the same as the second TS, and the handwriting of the second TS is the local exchange of the second TS.

On the upper control 500 switch, in the 600 and only the third TS and the second TS are the same, take a break The terminal of the terminal under the third TS is included in the terminal under the second TS

Step S61, the terminal of the third TS to the third T step S62, the third TS will go to the second TS

Step S63 The second TS will be placed next to the terminal.

The terminal under the second TS is the terminal under the third TS

Including

Step S64, the terminal of the second TS to the second TS, step S65, the second TS, to the third TS

Step S66 The third TS re-sets the terminal of the third TS. This section provides a system for switching methods in the local exchange. As shown in FIG. 6, the switching system in the local exchange includes SC, the TS second TS, and the third TS, and the terminal, wherein the TS, the second TS, and the third TS are managed by the same SC.

SC step includes switching decision sheep 1, sheep 2, switching control sheep 3 and release control sheep 4 rest

Switching decision sheep 1, the measurement of the root TS makes the switching decision T terminal to the third TS switch, the command sheep 2 sheep 2, in the root command, in the third TS second TS same, the road establishment is completed, the completion message The switching control sheep 3 is said to have local information and messages to the third TS third TS, wherein the third TS local construction message includes the P address of the local exchange used by the second TS and the sheep 2 is closer to the second TS a second TS local construction message, the second TS local construction message includes a P address used by the local exchange of the third TS and a third TS The second TS of the message is established, and the second TS of the message body and the second TS are established. The third TS and the second TS respectively receive the message to the SC

Switching control sheep 3, after receiving the completion message, switching the command to the terminal of the TS, switching the terminal TS to the third TS, and the third TS at the terminal, switching the success message.

The control sheep 4, after receiving the handover success message, releases the second TS, and the second TS TS is the same.

In the case of the amount of goodness. However, the local handover method and system provided in this section are used in the handover, and the function is used to smooth the handover before switching.

On the road, and switch.

This terminal can be hand-held, and it is not in the (RTP) type, and the other types are the same.

The above is a detailed description of the steps taken in conjunction with Hugh. Ordinary Mudong in the field of this wood said that under the premise of this, some sheep can be made or replaced, and all of them are based on this guarantee.

Claims

Claim

1. The handover method in the local exchange, the TS, the second TS, and the third TS are both controlled and managed by the same controller SC, and the terminal of the TS and the terminal of the second TS are in the local exchange mode, and the fifth TS is under The terminal needs to switch to the third TS, which is characterized in that the handover method includes

Measurement of SC TS Making handover decision TS The terminal switches to the third TS, and the third TS is established with the second TS

SC Interpretation Command The second TS, the second TS TS is the same.

2. The handover method in the local exchange in claim 1, wherein the third TS second TS same establishment step comprises the SC constructing a message and message locally to the third TS third TS, and simultaneously to the second TS5 second TS local Building a message.

3. The handover method in the local exchange of request 2, wherein the third TS local construction message includes the P address used by the local exchange of the second TS and the second TS local construction message includes the P address used by the local exchange of the third TS. with.

0. The handover method in the local exchange of request 3, which is characterized in that in the third TS, the second TS and the establishment step include the third TS receiving the third TS local construction message, the road establishment message, the second TS

The second TS receives the second TS local construction message, and the road establishes 5 message third T

5. The handover method in the local exchange of request 4, characterized in that in the third TS second TS same establishment step, the third TS body is included, and the P address of the local exchange used by the third TS is included on the SC. with.

6. The handover method in the local exchange of request 4, characterized in that the third TS and the second TS are respectively established on the received path and completed on the SC.

7. A handover method in local exchange requiring 5 or 6, which is specific to the command including the P address of the TS and .

8. The handover method in the local exchange of request 7, which is characterized in that the handover method step includes the second TS, the same TS

Switching to the terminal of the third TS and the terminal of the second TS

The third TS and the second TS are the same.

9. The switching system in the local exchange, including the SC, the TS, the second TS, and the third TS TS, the second TS, and the third TS are controlled by the same SC. The SC step includes a handover decision sheep, sheep, and handover control. Yang Yuan and control sheep

Switching decision sheep, the measurement of the root TS makes a handover decision TS terminal switches to the third TS, the instruction sheep

Sheep, in the root command, in the third TS, the second TS is established, the road is established, and the switch is completed. Control sheep

Switching to control the sheep, after receiving the completion message, switching the command to the terminal of the TS, switching the terminal TS to the third TS, and the third TS at the terminal, switching the success message.

5 Release control sheep, after receiving the handover success message, release the command second TS, release the second TS TS the same.

10. The switching system in the local exchange in requirement 9 is characterized in that the step of constructing information and messages locally to the third TS third TS is the same as the second TS second TS local construction message.

11. The switching system in the local exchange of claim 10, wherein the third TS local construction message includes a P address used by the local exchange of the second TS and a second local construction message includes a P address used by the local exchange of the third TS. .

12. The switching system in the local exchange of request 11 is characterized in that the third TS is in the receipt of the third TS local construction message,

The second TS, and the second TS of the message are received by the second TS.

Road establishment message third T