CN101494912B

CN101494912B - Control method for signaling load bearing migration

Info

Publication number: CN101494912B
Application number: CN200810001430XA
Authority: CN
Inventors: 徐云翔
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2008-01-21
Filing date: 2008-01-21
Publication date: 2010-12-29
Anticipated expiration: 2028-01-21
Also published as: CN101494912A

Abstract

The invention discloses a signaling bearing transferring control method, which comprises: when a user equipment initiates a call and establishes a wireless resource control connection of the call, selecting and establishing a wireless resource control connection according to the delay of forward access channel, high-speed packet access channel and dedicated channel; establishing the calling service on the forward access channel, high-speed packet access channel or dedicated channel; and controlling the signaling transferring according to the service bearing. Applying the invention can perform transferring strategy according to UE capability, current system capacity and current state of service, reduces the call establishing delay of the service, and improves the satisfaction of user to user.

Description

The control method of signaling load bearing migration

Technical field

The present invention relates to the communications field, and especially, relate to a kind of control method of signaling load bearing migration, be used for Wideband Code Division Multiple Access (WCDMA) and insert (WCDMA) system.

Background technology

In the WCDMA system, and Signaling Radio Bearer (Signalling Radio Bearer, SRB) mode can comprise: forward access channel (Forward Access Channel, FACH) carrying; Dedicated channel (Dedicated Channel, DCH) low speed signaling (3.4kbps) carrying; DCH high speed signaling (13.6kbps) carrying; High-speed packet inserts (High SpeedPacket Access, HSPA) channel signaling carrying (support of 3GPP R6 version).

(the delay analysis model as shown in Figure 1 for Packet Service, calling PS) for Packet Service.

As subscriber equipment (User Equipment, UE) present located Radio Resource control (Radio Resource Control, when RRC) connection status is idle (Idle) state, UE and radio network controller (Radio Network Controller, RNC) do not exist signaling to connect between, therefore, when the UE that is in the Idle state need initiate service call, basic procedure comprised: set up the RRC connection and set up professional radio bearer.Wherein, RRC connects the delay that is based upon on FACH, HSPA or the DCH, distinguishes to some extent each other.Table 1 shows the RRC connection and is based upon upward delay of FACH; Table 2 shows RRC and connects the delay that is based upon on the HSPA; Table 3 shows RRC and connects the delay that is based upon on the DCH.Delay on FACH generally, HSPA shown in table 1, table 2 and the table 3 and the DCH as can be seen, generally, RRC is based upon on the FACH the fastest, HSPA secondly, the DCH signaling is the slowest.Wherein, for the DCH signaling bear, the low speed signaling will be slower than high speed signaling, and comparative analysis is as shown in table 4.

Message/process	Transmission/reception	Postpone	Postpone accumulative total	Corresponding diagram 1 time reference
					The SIB7 time for reading	NA	70ms	70ms	t0
The RRC connection request	UE/RNC	40ms	110ms
					RRC connects foundation	RNC/UE	60ms	170ms	t1
RRC connects foundation to be finished	UE/RNC	100ms	270ms	t2
					RRC connects total time			270ms	T0-t2

Table 1

Message/process	Transmission/reception	Postpone	Postpone accumulative total	Corresponding diagram 1 time reference
					The SIB7 time for reading	NA	70ms	70ms	t0
The RRC connection request	UE/RNC	40ms	110ms
					RRC connects foundation	RNC/UE	200ms	310ms	t1
RRC connects foundation to be finished	UE/RNC	150ms	460ms	t2
					Sub-total is set up in the RRC connection			460ms	T0-t2

Table 2

Message/process	Transmission/reception	Postpone	Postpone accumulative total	Corresponding diagram 1 time reference
					The SIB7 time for reading	NA	70ms	70ms	t0
The RRC connection request	UE/RNC	40ms	110ms
					RRC connects foundation	RNC/UE	200ms	310ms	t1
The RRC connection is finished	UE/RNC	300ms	610ms	t2
					RRC connects total time			610ms	T0-t2

Table 3

	RRC message	RRC message size [Bytes]	Number of transport blocks	3.4kbps [ms]	13.6kbp s[ms]
						1	Radio bearer is set up (PS 64/64)	80	5	200	50
2	Radio bearer is set up (PS 64/384)	137	9	360	90
						3	Transmission channel is reshuffled (PS 64/384)	106	7	280	70

Table 4

For different PS business, the demand of the call delay that business is set up also can be different, and concrete demand is shown in subordinate list 5.

No	Process	Delay requirement
			1	When Ue was in the IDLE state, PDP context activation postponed, with reference to figure 1T0-T1	[1000ms]
2	Connect (64Kbps UL/384Kbps DL) state from IDLE state transition to grouping, with reference to figure 1T0-T2	[1500ms]
			3	(64Kbps UL/384Kbps DL) state carries out the upstream data transmission from IDLE state transition to a minute DCH	[700ms]
4	(128Kbps UL/384Kbps DL) state carries out the upstream data transmission from PCH state transition to DCH	[350ms]
			5	(64Kbps UL/384Kbps DL) state carries out the upstream data transmission from FACH state transition to DCH, with reference to figure 1T0-T2	[200ms]
6	DCH is from 64/64 reprovision to 64/384, with reference to figure 1T0-T2	[100ms]
			7	HSDPA activates, from from PCH state transition to DCH, carry out up 64kbps data and transmit	[250ms]
8	HSDPA activates, and moves to DCH too from the FACH attitude, and up 64kbps transmits data	[200ms]
			9	HSPA activates, and moves to the DCH attitude from the PCH attitude	[250ms]
10	HSPA activates, and moves to the DCH attitude from the FACH attitude	[200ms]
			11	Move to the DCH attitude from IDLE, VoIP activates, and is carried on the HSPA	[1250ms]
12	Move to the DCH attitude from PCH, VoIP activates, and is carried on the HSPA	[250ms]
			13	Move to the DCH attitude from IDLE, PoC (Push to talk over Cellular) activates, and is carried on the HSPA	[1250ms]
14	Move to the DCH attitude from PCH, PoC activates, and is carried on the HSPA	[250ms]

Table 5

Yet, the present technical scheme that does not propose to carry out corresponding signaling migration as yet according to current state of service.

Summary of the invention

Consider the problems referred to above and make the present invention, for this reason, main purpose of the present invention is to provide a kind of controlling schemes of signaling load bearing migration, to carry out corresponding signaling migration according to current state of service.

According to one embodiment of present invention, provide a kind of control method of signaling load bearing migration, be used for WCDMA access system.

This method comprises: when subscriber equipment makes a call and set up the Radio Resource control connection of calling, select to set up the Radio Resource control connection according to the delay of forward access channel, high-speed packet access signal channel and dedicated channel; On forward access channel, high-speed packet access signal channel or dedicated channel, set up the business of calling out; Control the migration of signaling according to the carrying of business.

Wherein, be based upon in the Radio Resource control connection under the situation of forward access channel: if the professional forward access channel that is carried as does not then move signaling; If the professional high-speed packet access signal channel that is carried as then migrates to high-speed packet access signal channel with signaling from the forward direction access channel; If the professional dedicated channel that is carried as, then with signaling migration to dedicated channel.

On the other hand, be based upon in the Radio Resource control connection under the situation of high-speed packet access signal channel: if the professional high-speed packet access signal channel that is carried as does not then move signaling; If the professional dedicated channel that is carried as, then with signaling migration to dedicated channel.

At last, be based upon in the Radio Resource control connection under the situation of dedicated channel: if the professional high-speed packet access signal channel that is carried as, then with signaling migration to the high speed grouped access channel; If the professional dedicated channel that is carried as is not then moved signaling.

Wherein, with signaling migration during to dedicated channel, preferentially with the high speed signaling carrying of signaling migration to dedicated channel.

In this case, this method is opened further and is comprised: timer is set, signaling migration is being started timer during to the high speed signaling bear; And when timer arrives, with the low speed signaling bear of signaling from the high speed signaling load bearing migration to dedicated channel.

In addition, the subscriber equipment of setting up the Radio Resource control connection of calling out is the subscriber equipment that is in non-DCH state, and above-mentioned business is a Packet Service, and above-mentioned calling is a packet service call.

By technique scheme of the present invention, can carry out corresponding migration strategy according to UE ability, current system capacity and current state of service, to shorten professional delay in call establishment, improve the satisfaction of user to user.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:

Fig. 1 is the signaling process figure that sets up according to the packet service call of correlation technique;

Fig. 2 is the flow chart according to the control method of the signaling load bearing migration of the embodiment of the invention; And

Fig. 3 is the flow chart according to the detailed process of the control method of the signaling load bearing migration of the embodiment of the invention.

Embodiment

In the present embodiment, provide a kind of control method of signaling load bearing migration, be used for WCDMA access system.

As shown in Figure 2, comprise according to the control method of the signaling load bearing migration of present embodiment: step S202, when the RRC that makes a call and set up calling connects, select to set up RRC according to the delay of FACH, HSPA channel and DCH and be connected; Step S204 sets up the business of calling out on FACH, HSPA channel or DCH; Step S206 controls the migration of signaling according to the carrying of business foundation.

Wherein, connect at RRC and to be based upon under the situation of FACH: if the professional FACH that is carried as does not then move signaling; If service bearer be carried as the HSPA channel, then signaling is migrated to the HSPA channel from FACH; If the professional DCH that is carried as, then with signaling migration to DCH.

On the other hand, connect at RRC and to be based upon under the situation of HSPA channel: if the professional HSPA channel that is carried as does not then move signaling; If the professional DCH that is carried as, then with signaling migration to DCH.

At last, connect at RRC and to be based upon under the situation of DCH: if the professional HSPA channel that is carried as, then with signaling migration to the HSPA channel; If the professional DCH that is carried as does not then move signaling.

Wherein, with signaling migration during to DCH, preferentially with the high speed signaling carrying of signaling migration to DCH.

In this case, this method is opened further and is comprised: timer is set, signaling migration is being started timer during to the high speed signaling bear; And when timer arrives, with the low speed signaling bear of signaling from the high speed signaling load bearing migration to DCH.

In addition, the above-mentioned described subscriber equipment of setting up the Radio Resource control connection of described calling is the subscriber equipment that is in non-DCH state, and above-mentioned business is PS, and above-mentioned calling is the PS calling.

Under the delay situation shown in table 1, table 2 and the table 3, according to the embodiment of the invention the control method of signaling load bearing migration specifically comprise:

Step 1, when UE is in non-DCH state, the RRC of call setup connects establishment stage, RRC is connected the FACH state that is based upon, secondly be that the HSPA channel bearing is (if the support of UE ability needs UE to support F-DPCH as far as possible, Fractional-DedicatedPhysical Control Channel, fractional dedicated physical channel), connects, then select DCH to set up RRC and connect if the above two all can't set up RRC;

Step 2 when the RRC of UE connection foundation must be carried with DCH, is preferentially selected the high speed signaling carrying;

Step 3, after the RRC connection was set up and finished, RB set up, and for PS (PacketService, Packet Service) business, signaling preferentially is based upon in the HSPA carrying, is the DCH high speed signaling secondly, selects the low speed signaling at last;

Step 4 for the PS business, after service call is set up, if signaling bear is a high speed signaling, then behind the certain interval of time, is reduced to the low speed signaling by reallocation message with signaling bear.

Particularly, Fig. 3 shows the detailed process flow process according to the method for the embodiment of the invention.As shown in Figure 3, its processing procedure is as follows:

(1), initiates PS and call out if current UE is in IDLE attitude or PCH attitude;

(a1) the RRC connection is based upon on the FACH,, carries out (2) if set up successfully;

(b1) if FACH admits failure, so according to the UE ability, the RRC connection is based upon on the HSPA channel, if set up successfully, UE is moved to the DCH attitude from IDLE attitude or PCH attitude, carries out (3);

(c1) if the RRC signaling is set up failure on the HSPA channel, so preferentially the RRC signaling is based upon in the DCH 13.6kbps carrying, next is based upon on the 3.4kbps signaling bear;

(2) after RRC connects foundation,, carry out following flow process respectively according to the difference of current RRC connected state;

(a2) if current RRC connects and to be based upon on the FACH, then RRC connect set up after, carry out the PS business radio bearer (Radio Bearer, RB) carrying the time, the subsidiary service bearer of following is set up; Be based upon on the HSPA channel as business, signaling is based upon on the HSPA channel so; If business is based upon on the DCH, signaling is preferentially selected the carrying of 13.6kbps so; If select failure, select the 3.4kbps carrying so, if business is based upon on the FACH, the carrying of signaling is constant so;

(b2) if current RRC connects to be based upon on the HSPA channel, when selection business so was based upon on the HSPA channel, the mode of signaling bear was constant; If professional HSPA admits failure, that is, can not on the HSPA channel, carry, then business is based upon on the DCH, when professional RB sets up, the signaling bear mode is carried to 13.6kbps from HSPA carrying priority migration so, secondly be the 3.4kbps carrying;

(c2) if connecting, current RRC is based upon on the DCH, then the signaling bear mode of setting up of following service bearer is carried out corresponding migration, if business is based upon on the HSPA channel, signaling load bearing migration is to the HSPA channel so, if business is based upon on the DCH, keep signaling bear constant so;

(3) after business is set up, if current signaling bear is 13.6kbps, timer SRBTriggerTimer=2s is set so, to after date, signaling bear is moved to 3.4kbps from 13.6kbps at timer.

In sum, the present invention proposes a kind of control method of signaling load bearing migration, can carry out corresponding migration strategy according to UE ability, current system capacity and current state of service,, improve the satisfaction of user to user to shorten professional delay in call establishment.

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

1. the control method of a signaling load bearing migration is used for WCDMA access system, it is characterized in that, described control method comprises:

When subscriber equipment makes a call and set up the Radio Resource control connection of described calling, select to set up described Radio Resource control connection according to the delay of forward access channel, high-speed packet access signal channel and dedicated channel, wherein, the described subscriber equipment of setting up the Radio Resource control connection of described calling is the subscriber equipment that is in non-dedicated channel DCH state;

On described forward access channel, described high-speed packet access signal channel or described dedicated channel, set up the business of described calling;

Control the migration of signaling according to the carrying of described business.

2. control method according to claim 1 is characterized in that, is based upon under the situation of described forward access channel in described Radio Resource control connection: if described business be carried as described forward access channel, then do not move signaling; If described business be carried as described high-speed packet access signal channel, then signaling is migrated to described high-speed packet access signal channel from described forward access channel; If described business be carried as described dedicated channel, then with signaling migration to described dedicated channel.

3. control method according to claim 1 is characterized in that, is based upon under the situation of described high-speed packet access signal channel in described Radio Resource control connection: if described business be carried as described high-speed packet access signal channel, then do not move described signaling; If described business be carried as described dedicated channel, then with described signaling migration to described dedicated channel.

4. control method according to claim 1, it is characterized in that, be based upon under the situation of described dedicated channel in described Radio Resource control connection: if described business be carried as described high-speed packet access signal channel, then with described signaling migration to described high-speed packet access signal channel; If described business be carried as described dedicated channel, then do not move described signaling.

5. according to each described control method in the claim 2 to 4, it is characterized in that, with described signaling migration when the described dedicated channel, preferentially with of the high speed signaling carrying of described signaling migration to described dedicated channel.

6. control method according to claim 5 is characterized in that, further comprises: timer is set, described signaling migration is being started described timer when described high speed signaling carries; And

When described timer arrives, with the low speed signaling bear of described signaling from described high speed signaling load bearing migration to described dedicated channel.

7. according to each described control method in the claim 1 to 4, it is characterized in that described business is a Packet Service, described calling is a packet service call.