CN1984399A

CN1984399A - Terminal for switching to HRPD network according to CDMA 2000 calling message

Info

Publication number: CN1984399A
Application number: CNA2005100228451A
Authority: CN
Inventors: 刘卫民
Original assignee: Beijing Samsung Telecommunications Technology Research Co Ltd; Samsung Electronics Co Ltd
Current assignee: Beijing Samsung Telecommunications Technology Research Co Ltd; Samsung Electronics Co Ltd
Priority date: 2005-12-12
Filing date: 2005-12-12
Publication date: 2007-06-20
Anticipated expiration: 2025-12-12
Also published as: CN1984399B

Abstract

The method comprises: control module for controlling each correlated module in the terminal; cdma2000 modem; HRPD modem; storage unit for saving the data required the operation; switch unit for connecting the radio module to cdma2000 modem or HRPD modem; radio module connected to the modem through switch unit for making switch between baseband digital signals and RF analog signals, and transmitting and receiving the RF analog signals through antenna; a display unit; wherein, the control module is used for controlling the radio module to connect to the cdma2000 modem or to connect to HRPD modem.

Description

According to the terminal of cdma2000 beep-page message to the switching of HRPD network

Technical field

The present invention relates to portable terminal, particularly a kind of terminal of switching to HRPD (high rate packet data) (hereinafter to be referred as HRPD) network according to CDMA 2000 1x (hereinafter to be referred as cdma2000) beep-page message.

Background technology

In actual applications, the HRPD network is many to be occurred to unite network's mode with cdma2000, and generally the cdma2000 network is used to provide speech and low-speed data service, and the HRPD network is used to provide the business based on data, and the user uses dual-mode terminal to insert.Logically, cdma2000 network and HRPD network are two separate networks.Usually adopt cdma2000/HRPD dual-mode terminal (hereinafter to be referred as HAT) to intercept the mode of two nets in turn at present under non-voice state, promptly HAT frequently switches between two nets with specific frequency, to intercept the beep-page message that comes from two nets.Each switching all needs to start the corresponding work module, will certainly cause rolling up of HAT power consumption like this, shortens the stand-by time of HAT.

Because present dual-mode terminal in use need bring following problem in the frequent switching between two nets:

1. the terminal standby time is shorter;

Two the net between frequent switching and intercept, increased the consumption of electric energy.

2. quality of service is influenced

For example when terminal is carried out data service under the cdma2000 network, owing to need regularly

Intercept the HRPD network and will influence ongoing business.

In addition, when terminal is in speech state following time under the cdma2000 network, terminal is not intercepted the HRPD network, thereby misses the call information of HRPD net.

Summary of the invention

For addressing the above problem, the invention provides a kind of according to the implementation method of cdma2000 beep-page message to the terminal of HRPD network switching, HAT can only intercept the cdma2000 network, just can know the paging information of HRPD net, can avoid terminal between two nets, frequently to switch and intercept, reduce the switching times of HAT between two nets.

The use prerequisite of this terminal is the connection link that need set up in advance between two nets, and by this link, and the call-in message of HRPD network is delivered to the cdma2000 network.

For achieving the above object, provide a kind of according to the terminal of cdma2000 beep-page message to the switching of HRPD network, comprising: control module is used for each correlation module in the control terminal; The cdma2000 modulator-demodulator is used at the transmission and the reception of interface aloft of cdma2000 signal signal being handled; The HRPD modulator-demodulator is used at the transmission and the reception of interface aloft of HRPD signal signal being handled; Memory is used for the required data of storage terminal work; Replacement part is used under the control of control module, is connected on the cdma2000 modulator-demodulator wireless module or the HRPD modulator-demodulator; Wireless module links to each other with modulator-demodulator by replacement part, is used for the conversion of baseband digital signal and radio frequency analog signal, and receives and send radio frequency analog signal by antenna; Display unit is used to show various message, icon; Wherein said control module is controlled wireless module by replacement part and is finished by being connected to and conversion between the HRPD modulator-demodulator is connected with the cdma2000 modulator-demodulator.

The invention provides a kind of mode mobile terminal that can switch to the HRPD network according to the cdma2000 beep-page message, therefore and the other problems that causes solved in the past that mode mobile terminal is frequently intercepted and between net, thereby can increase the standby time of HAT effectively.

Description of drawings

Fig. 1 is the structured flowchart of the dual-mode terminal of the embodiment of the invention;

Fig. 2 is based on the professional arrival information of the HRPD conveying flow of cdma2000 beep-page message;

Fig. 3 is that the dual-mode terminal that proposes according to the present invention carries out display screen and the keyboard schematic diagram that network switches;

Fig. 4 is that modulator-demodulator is connected control chart with wireless module.

Embodiment

Main purpose of the present invention is to realize the cdma2000/HRPD dual-mode terminal, and characteristics are that this terminal can receive the professional beep-page message that arrives of the expression HRPD that comes from the cdma2000 network, and switch to the HRPD network according to the indication of this beep-page message.

In order to support to switch to the HRPD network according to the indication of cdma2000 network, the basic function that part that dual-mode terminal is included and each several part should be finished is as follows:

Antenna 101

Be used for receiving and the transmission wireless signal.

Wireless module 102

The conversion of responsible baseband digital signal and radio frequency analog signal, the transmission of radio frequency analog signal and reception etc., wireless module links to each other with modulator-demodulator by replacement part 103.

Replacement part 103

Replacement part is come from the signal controlling of control module 106, is connected respectively to wireless portion on the cdma2000 modulator-demodulator 104 or on the HRPD modulator-demodulator 105.

Cdma2000 modulator-demodulator 104

Its function comprises the encoding and decoding of cdma2000 business datum, signaling, the spread spectrum of physical channel and despreading, modulation and demodulation.

HRPD modulator-demodulator 105

In realization usually and the cdma2000 modulator-demodulator be an entity physically.But what carry out is the encoding and decoding of HRPD business datum, signaling, the spread spectrum of physical channel and despreading, modulation and demodulation, and software module of carrying is corresponding with the HRPD net on it.At a time cdma2000 modulator-demodulator and HRPD modulator-demodulator can only have one in running order.

Control module 106

The integrated operation of this each assembly of module controls, for the application layer software in the terminal provides operation platform, the carrying application software module, finish transmission, reception and the processing of air interface signaling, the control of calling procedure etc., and each correlation module in the terminal controlled, enable cooperating.Control module also will be controlled wireless module by replacement part and be connected by being connected with the cdma2000 modulator-demodulator to be transformed into the HRPD modulator-demodulator.For example, whether control module is transformed into the HRPD modulator-demodulator by the cdma2000 modulator-demodulator according to conditional decisions such as clock, the HRPD business information that parses and user commands from the cdma2000 beep-page message.When being transformed into the HRPD modulator-demodulator, parts such as wireless module, memory, display unit, keyboard all cooperate with the HRPD modulator-demodulator, at this moment, are equivalent to dual-mode terminal and have inserted the HRPD network.

Memory 107

Data memory module in the terminal, the data that the storage terminal operate as normal is essential.

Display unit 108

Display unit generally comprises LCD etc., can show various message, icon etc. under the control of control module.

Keyboard 109

Be used for input information, the information of user input is sent to control module, finish the interface function of user and terminal jointly with display unit and loud speaker, microphone etc.Among the present invention, keyboard may further include and is used to accept the rete mirabile that key and refusal network issue of answering that rete mirabile that network issues switches indication and switches the refusal key of indication.In realization, under the prerequisite that is unlikely to cause the user to obscure, also other function bondings on these two keys and the terminal can be established physically.

Loud speaker 110

Be used for output sound, as prompt tone etc.

Power module 111

For each module provides power supply.

Also microphone etc. should be arranged in addition, not shown.

Rise a common user and to exhale in the process, the user sends order by the man-machine interface that keyboard 109 and display unit 108 constitute to control module 106, begins a calling.Control module 106 is after the instruction of receiving the user, according to indicated type of service of user and decision being set whether carrying out network and switch and start control corresponding and processing module in advance, correspondingly, control module 106 also will be enabled cdma2000 modulator-demodulator 104 or HRPD modulator-demodulator 105 as processing unit according to selected network, the structure signaling message, finish call establishment jointly with network, and notify the user by display unit 108 or loud speaker 110.Afterwards, the user can begin communication process, and user speech gives cdma2000 modulator-demodulator 104 by microphone or HRPD modulator-demodulator 105 is finished coded modulation, is sent to network.Simultaneously, cdma2000 modulator-demodulator 104 or HRPD modulator-demodulator 105 also will carry out demodulation and decoding, and deliver to receiver the wireless channel frame that receives.In this course, control module 106, wireless module 102, memory module 107 and power module 111 will provide necessary support for it.

Be under the cdma2000 network, terminal antenna receives the wireless signal that the cdma2000 network is sent, be delivered to wireless module, wireless module carries out signal processing, be delivered to modulator-demodulator, modulator-demodulator is sent to control module after finishing demodulation, control module is resolved signal, if the special beep-page message of expression HRPD business, control module is presented to the user to relevant information by display unit, whether point out the user to select to switch to the HRPD network by loud speaker or other man-machine interface modes simultaneously, the user imports select command by keyboard.If the user pushes the refusal key, input controller will keep being connected of cdma2000 modulator-demodulator and wireless module; Answer key if the user pushes, input controller disconnects being connected of cdma2000 modulator-demodulator and wireless module by Switching Module, sets up being connected of HRPD modulator-demodulator and wireless module.

As shown in Figure 2, it is as follows to the message conveying flow that the HRPD network switches that dual-mode terminal receives the special beep-page message of cdma2000:

1. after receiving the service request that comes from calling terminal, the HRPD network will be constructed the BTS service request message and be sent to mobile switching centre in the cdma2000 net, comprise the user ID of HRPD traffic type information and terminal called in this message;

2. after mobile switching centre receives the BTS service request message that the HRPD network sends, respond the BTS service response message to the HRPD network;

3. the base station sub-system at terminal called place is searched according to the cdma2000 user ID of the terminal called that comprises in the BTS service request message by mobile switching centre, and sends paging request message to base station sub-system;

4. base station sub-system sends special beep-page message by paging channel to terminal called, and this special beep-page message can be its services selection unit to be changed to particular value represent that this paging is the general beep-page message that comes from the HRPD net;

5. if base station sub-system needs, terminal called also will be responded page-response message to base station sub-system; Otherwise skip to step 7;

6. base station sub-system is constructed page-response message, and it is placed in layer 3 message, gives mobile switching centre;

7. terminal called is according to the HRPD type of service of carrying in current working state and the special beep-page message, and decision is switched to the HRPD net.This step and step 6 do not have sequential relationship;

8. terminal called sends connection request to HRPD AN, connects between HRPD AN and terminal called by corresponding information interaction.

In above-mentioned steps 7, terminal called can be resolved the back with this message related to calls and be sent prompting by loud speaker, display etc. to the user, allows the user make the judgement of whether switching.Also decision mechanism can be arranged on lane terminal in advance, operate automatically by terminal.

Fig. 3 has expressed display screen and the keyboard schematic diagram for the dual-mode terminal that cooperates above-mentioned flow process.The HRPD business information that dual-mode terminal will come from the cdma2000 network is presented on the screen, has increased on the keyboard to answer key 301 and refusal key 302.

In the present invention, when dual-mode terminal inserts the cdma2000 network, comprise and be in idle condition or business is carried out state, if dual-mode terminal receives the paging information of the expression HRPD business that is sent by the cdma2000 network, dual-mode terminal is handled paging information and is notified the user that a new calling is arranged.The user can by push answer key or the refusal key select.Dual-mode terminal determine the user whether pushed answer key or the refusal key, carry out operation then corresponding to the key of being pushed.Answer key if the user pushes, dual-mode terminal will withdraw from the cdma2000 network, insert HRPD network and response calling.If the user pushes the refusal key, dual-mode terminal will rest in the cdma2000 network, and the structure refuse information sends to the cdma2000 network or ignores this incoming call simply.

In above-mentioned handoff procedure, for convenience of the user, dual-mode terminal also can determine whether according to the setting that the user is done in advance to another switchings of throwing the net after receiving the paging information of the expression HRPD business that is sent by the cdma2000 network, and saves the step of user's participation.Set in advance and can be provided with by the user, also can be by the preceding setting of dispatching from the factory of terminal producer, set in advance content and can be professional priority level, certain business and whether can be interrupted etc.At this moment, dual-mode terminal will no longer need answering key 301 and refusing key 302 shown in Fig. 3.

Claims

One kind according to the cdma2000 beep-page message to the terminal that the HRPD network switches, comprising:

Control module is used for each correlation module in the control terminal;

The cdma2000 modulator-demodulator is used at the transmission and the reception of interface aloft of cdma2000 signal signal being handled;

The HRPD modulator-demodulator is used at the transmission and the reception of interface aloft of HRPD signal signal being handled;

Memory is used for the required data of storage terminal work;

Replacement part is used under the control of control module, is connected on the cdma2000 modulator-demodulator wireless module or the HRPD modulator-demodulator;

Wireless module links to each other with modulator-demodulator by replacement part, is used for the conversion of baseband digital signal and radio frequency analog signal, and receives and send radio frequency analog signal by antenna;

Display unit is used to show various message, icon;

Wherein said control module is controlled wireless module by replacement part and is finished by being connected to and conversion between the HRPD modulator-demodulator is connected with the cdma2000 modulator-demodulator.
2. by the described terminal of claim 1, also comprise the keyboard that is used to import various instructions, described keyboard comprises and is used to accept answer the refusal key that key and refusal switch to the HRPD network to what the HRPD network switched.
3. by the described terminal of claim 1, it is characterized in that when receiving described beep-page message that described control section determines whether to switch to another net according to setting in advance wherein.
4. by the described terminal of claim 2, it is characterized in that other function keys of will answer on key and refusal key and the terminal merge.
5. by one of claim 1-3 described terminal, it is characterized in that the beep-page message of control section parsing from the expression HRPD of cdma2000 network reception, when determining will be when the HRPD network switches, indicate replacement part that the cdma2000 modulator-demodulator is separated with wireless module and the HRPD modulator-demodulator is linked to each other with wireless module.
6. by one of claim 1-3 described terminal, it is characterized in that the professional beep-page message that arrives of expression HRPD that the control section parsing receives from the cdma2000 network, when determining refusal when the HRPD network switches, reply refusal information or ignore this incoming call to the cdma2000 network.
7. by the described terminal of claim 5, it is characterized in that described beep-page message is that its services selection unit is changed to predetermined value to represent that this paging is the professional general beep-page message that arrives of expression HRPD.
8. by the described terminal of claim 6, it is characterized in that described beep-page message is that its services selection unit is changed to predetermined value to represent that this paging is the professional general beep-page message that arrives of expression HRPD.
9. by the described terminal of claim 1, it is characterized in that described cdma2000 modulator-demodulator and HRPD modulator-demodulator at a time can only have one in running order.