CN100366037C - Method and device for realizing complete radio communication at single processor kernel - Google Patents

Abstract

The present invention provides a method and a device for realizing complete radio communication at a single processor core, which relates to a method and a device for realizing the radio communication. The method comprises the following steps: one or more complete wireless system protocol stacks each of which integrates a physical layer L1, a data link layer L2 and a network layer L3 on a DSP processor core operate in a DSP, and are developed and compiled as a whole in the integrated development environment of the DSP to generate executable binary codes; after the DSP is powered up, according to a start mode, the executable binary codes are downloaded to the DSP via a host interface or started to operate in a flash memory of the DSP; a program executes the work of self-test and initializing setting for DSP hardware to test if an SIM card exists and read SIM card data; a protocol stack program carries out selection, subzone synchronization, cantonment and registration on a radio communication network; after the successful registration, services specified by the protocol, such as voice and supplementary services, short message and data transmission, etc., are completed; the DSP is powered off, the protocol stack program completes necessary registration removing work.

Description

On single processor core, realize complete method of wireless communication and device

Technical field

The present invention relates to a kind of implementation method and device thereof of radio communication, particularly a kind of complete method of wireless communication and device thereof on single processor core, realized.

Background technology

Existing mobile phone or other forms of wireless communication terminal, at least by two processors, be that DSP (digital signal processor) and CPU (computer processor) examine existing its radio communication and application function, DSP nuclear is carried out the strong partial function software of timeliness in the wireless communication standard usually, and timeliness time strong partial function software is then carried out by CPU nuclear.As for other wireless communications application functional software, can be placed on the functional software of part wireless communications standards specify in the same CPU nuclear and carry out, avoid the increase of number of processor cores, but it is this in the physics and the implementation method of related 2 class difference in functionalitys simultaneously in logic, make definite communication function and the constantly simultaneously integrated complexity increase of development and uppity application function, and can bring insoluble systematic jitters problem, therefore be unfavorable for third-party application and development, be unfavorable for increasing new application function, can't reach optimum performance.Powerful and the upgradeable smart mobile phone of existing capability or have the palmtop PC of radio communication function, clearly cut apart from the processor core that physically will carry out wireless application and other multimedia application and the processor core of carrying out radio communication function, so need three processor cores at least; In addition, when integrated various wireless communication agreement realizes the multi-modal communications function, the quantity of processor core also will increase, and cause power consumption and cost to increase.

Summary of the invention

Technical problem: the object of the present invention is to provide a kind of complete method of wireless communication and device on single processor core, realized, promptly examine the complete wireless communication terminal function (being called for short WoP-Wireless on a Processor) of existing wireless communications standards specify with the individual digit signal processor.Can safeguard the stable of system works from physically separating the processor core of carrying out wireless application and the processor core of carrying out radio communication function; Reduce the quantity of carrying out the processor core of radio communication function, simplified the structure, reduced cost and power consumption.

Technical scheme: the WoP technical scheme that realizes the object of the invention is: for the wireless communication terminal of single mode operation or multi-mode working, can on a DSP nuclear, distinguish the complete wireless communication terminal protocol stack sofeware of integrated one or more wireless communications standards specify, comprise the complete wireless communication protocol stack function of physical layer L1, data link layer L2 and network layer L3; The drive software of also integrated peripheral circuit and universal input and output port on same DSP nuclear comprises the function of bridge wireless protocol stack to DSP nuclear, peripheral circuit and universal input and output port; Physical layer L1, data link layer L2 and network layer L3 protocol stack program and driver can be done as a whole operation in a DSP nuclear; Physical layer L1, data link layer L2 and network layer L3 protocol stack program and driver are done as a wholely to compile in the Integrated Development Environment of DSP, generate executable binary code; After dsp processor powered up, according to start-up mode, executable binary code was downloaded in the dsp processor by host interface, or started operation from the flash memory; Program is carried out the work of hardware check, initialization setting, checks whether SIM card exists, and the reading SIM card data; The protocol stack program carries out that cordless communication network is selected, the sub-district synchronously, be stationed and register; After registering successfully, finish communication protocol regulation as business such as voice, supplementary service, short message and transfer of data; The DSP outage, the protocol stack program is finished necessary removal registration work.

The implement device of examining the complete wireless communication terminal function of existing wireless communications standards specify with the individual digit signal processor is constructed as follows: it comprises dsp processor, in order to move the complete wireless communication terminal protocol stack and the relevant software of one or more wireless communications standards specify, comprise the encoding and decoding software of audio/video; It also comprises with communication protocol and dsp processor and with other peripheries carries out bridge joint, and realizes the controlled function to periphery/interface; Specifically comprise dsp processor, in order to finish the agreement work of whole wireless system protocol stack, finish control by bridger simultaneously, and communicate with external host to each module; Bridger is finished the asynchronous serial port transceive data with SIM card, finishes the relevant burst timing controlled of wireless communication system under processor control; The Analog Baseband chip is in order to finish the mould/number and the D/A switch of transceive data between transceiver module and the dsp processor; The transceiver module is in order to receive and to send wireless signal; SIM card is with the bridger interface, in order to user's relevant information to be provided to processor and to finish network authentication, encryption function; Crystal oscillator is in order to provide local frequency and timing reference to WoP; Power management module is supplied with and management in order to the power supply of finishing whole device; Memory is in order to provide the dsp processor data and the code space in when operation; External host is in order to move various wireless applications; Wherein, bridger connects dsp processor, Analog Baseband chip, transceiver module, SIM card, external host respectively, and transceiver module and antenna join, and dsp processor and memory join.

Bridger in order in dsp processor and its periphery, for example carries out logic and is connected with sequential is adaptive between Analog Baseband chip, transceiver module, SIM card, the I/O port; Also in order to expand the peripheral ability of dsp processor, for example I/O (I/O) port function; Integrated in addition some logic function is for example based on software control signal clock, reception/transmit status machine, the host interface logic of timing function;

The Analog Baseband chip in order to setting up the transmission channel between earphone/and the DSP, and is realized the processing of analog signal and the conversion between analog signal and the digital signal.For different wireless communication systems, also comprise the modulator-demodulator of corresponding wireless channel in the Analog Baseband;

The transceiver module in order to receive network and to send radiofrequency signal to network, generally includes frequency source, receiver, transmitter, duplexer and control corresponding function; Under the integrated a plurality of wireless communication standard pattern working conditions of WoP, comprise the transceiver radio-frequency enabled that corresponding wireless communication system requires;

SIM card is in order to deposit and User Recognition, the relevant data of service log-on;

Crystal oscillator is in order to provide local frequency and timing reference to WoP;

Power management module, the power supply in order to the control each several part comprises the electricity-saving function relevant with communication protocol stack;

Memory is in order to code and the data of depositing software program;

WoP software comprises the complete wireless communication terminal protocol stack sofeware of a wireless communications standards specify of single mode operation, perhaps the complete wireless communication terminal protocol stack sofeware of a plurality of communication standards regulations of multi-mode working; The complete wireless communication protocol stack function that comprises encoding and decoding, physical layer L1, data link layer L2 and the network layer L3 of audio/video; The drive software that comprises peripheral circuit and universal input and output port also comprises the function of bridge wireless protocol stack to DSP nuclear, peripheral circuit and universal input and output port; And provide interface for upper layer application;

Operation principle and process:

Receiving course: under the control of dsp processor, by bridger transceiver module and Analog Baseband chip parameter are set, produce burst timing controling signal control transceiver module and Analog Baseband chip simultaneously, the transceiver module is under this control, by antenna received RF signal from the wireless channel of appointment, this signal is converted to analog baseband signal through quadrature frequency conversion delivers to the Analog Baseband chip, the Analog Baseband chip carries out received signal to deliver to dsp processor after mould/number conversion, DSP finishes data according to protocol specification and recovers, and will receive data and be transferred to external host by bridger.

Process of transmitting: external host sends data to be sent to DSP by bridger, DSP finishes data formatting according to protocol specification, deliver to the Analog Baseband chip again, simultaneously by bridger transceiver module and Analog Baseband chip parameter are set by dsp processor, produce burst timing controling signal control transceiver module and Analog Baseband chip simultaneously, under this control, Analog Baseband carries out received signal to deliver to the transceiver module behind the D/A switch, finish the up-conversion and the power amplification of signal by the transceiver module, pass through antenna transmission again.

Beneficial effect: the present invention compared with prior art, its remarkable advantage is:

1, use for same typical case, the present invention can save one or two processor cores, not only provides cost savings, and has also reduced power consumption;

2, because not only from logic, and from physically having isolated application function and radio function, effectively avoided uncontrollable factor of bringing from application facet, make wireless system reach optimum performance and stable;

3, be integrated into single processor with physical layer L1, data link layer L2 and network layer L3 wireless software are seamless, its result obtains the utilization that best software is integrated, improved efficient and resource;

4,, satisfied the system requirements of versatility, tightness and the flexibility of different wireless systems (2G, 2.5G and 3G and other wireless communication standard) owing to the software control signal clock that adopts based on timing function;

5, on identical platform, realize the complete wireless communication terminal protocol stack sofeware of a plurality of communication standard regulations of multi-mode working, comprise the audio/video processing;

6, the third party can develop the application of primary processor easily, and can not influence wireless and other function, shortens third-party time of product development;

7, be easy to add the new application function that needs various processing.

The difference of the implementation method of WoP of the present invention and existing double-core implementation method:

1, Integrated Development Environment-WoP method only needs independent DSP Integrated Development Environment, and the double-core method needs DSP and CPU two cover Integrated Development Environment;

2, the binary code carried out of Sheng Chenging-WoP method only generates single executable binary code, and the double-core method generates two executable binary codes;

3, in the institutional framework of WoP program-WoP method, physical layer L1, data link layer L2, network layer L3 protocol stack program are done as a whole, the real-time of communication protocol stack can well be guaranteed, in the double-core method, because physical layer L1 program realizes in DSP, and data link layer L2 and network layer L3 program realize in CPU, for realizing the mutual of physical layer L1 and data link layer L2 and network layer L3 program, must define a series of trunk interfaces on the software, need resources such as the interior dual port RAM of sheet on the hardware, increased complexity.

4, protocol stack starts in operation method-WoP method, after DSP powers up, according to start-up mode, executable binary code is downloaded among the DSP by host interface, or from the flash memory of DSP, start operation, in the double-core method, because two independently can be carried out binary code, need be downloaded to respectively among DSP and the CPU and move, increase the complexity of control.

Description of drawings

Fig. 1 is a method implementation procedure schematic diagram block diagram of the present invention.

Fig. 2 is that the device of method WOP of the present invention constitutes block diagram.

Fig. 3 is single place device implementation method schematic diagram in the method for the present invention.

Fig. 4 is the general two places device implementation method schematic diagram of radio communication device.

Fig. 5 is embodiments of the invention GSM/GPRS PC card software and hardware block diagram.It also is the structural representation of method WoP of the present invention

Fig. 6 is embodiments of the invention GSM digital transmission module software and hardware block diagram.It also is the structural representation of method WoP of the present invention

Have among the above figure: dsp processor 201, bridger 202, Analog Baseband chip 203, transceiver module 204, SIM card 205, crystal oscillator 206, power management module 207, memory 208, external host 209, CPLD or FPGA (with the bridger of programming device realization) 302, WoP software 308 with GSM/GPRS function, WoP software 309 with GPRS function, physical layer L1, data link layer L2, network layer L3, read-write memory RAM, read only memory ROM.

The LAPDm-link access protocol

The control of RLC-Radio Link

The access control of MAC-medium

The RR-RRM

The GRR-GPRS RRM

The MM-mobile management

The LLC-logic link control

The GMM-GPRS mobile management

CC-calls out control

The SS-supplementary service

The SMS-Short Message Service

The SM-session management

SNDCP-subnet convergence protocol

The HMI-man-machine interface

Embodiment

Below in conjunction with accompanying drawing the present invention is further described.

The present invention realizes that on single processor core complete method of wireless communication is: for the wireless communication terminal of single mode operation or multi-mode working, can on a DSP nuclear, distinguish the complete wireless communication terminal protocol stack sofeware of integrated one or more wireless communications standards specify, comprise the complete wireless communication protocol stack function of physical layer L1, data link layer L2 and network layer L3; The drive software of also integrated peripheral circuit and universal input and output port on same DSP nuclear comprises the function of bridge wireless protocol stack to DSP nuclear, peripheral circuit and universal input and output port; Physical layer L1, data link layer L2 and network layer L3 protocol stack program and driver can be done as a whole operation in a DSP nuclear; Physical layer L1, data link layer L2 and network layer L3 protocol stack program and driver are done as a wholely to compile in the Integrated Development Environment of DSP, generate executable binary code; After dsp processor powered up, according to start-up mode, executable binary code was downloaded in the dsp processor by host interface, or started operation from the flash memory of peripheral circuit; Program is carried out the work of hardware check, initialization setting, checks whether SIM card exists, and the reading SIM card data; The protocol stack program carries out that cordless communication network is selected, the sub-district synchronously, be stationed and register; After registering successfully, finish communication protocol regulation as business such as voice, supplementary service, short message and transfer of data; The DSP outage, the protocol stack program is finished necessary removal registration work.

Fig. 5 is embodiments of the invention GSM/GPRS PC card software and hardware block diagram.Fig. 6 is embodiments of the invention GPRS digital transmission module software and hardware block diagram.

In conjunction with Fig. 1, the complete GSM/GPRS PC card of on DSP C5502, realizing, perhaps GPRS digital transmission module.Can realize GSM voice, short message, supplementary service function, and the GPRS data-transformation facility.

Fig. 2 is that the device of method WOP of the present invention constitutes block diagram.Implement device specifically comprises dsp processor 201, in order to move the complete wireless communication terminal protocol stack and the relevant software of one or more wireless communications standards specify, finishes control to each module by bridger simultaneously, and communicates with external host; Bridger 202 is finished the asynchronous serial port transceive data with SIM card, finishes the relevant burst timing controlled of wireless communication system under processor control; Analog Baseband chip 203 is in order to finish the mould/number and the D/A switch of transceive data between transceiver module and the dsp processor; Transceiver module 204 is in order to receive and to send wireless signal; SIM card 205 is with the bridger interface, in order to user's relevant information to be provided to processor and to finish network authentication, encryption function; Crystal oscillator 206 is in order to provide local frequency and timing reference to WoP; Power management module 207 is supplied with and management in order to the power supply of finishing whole device; Memory 208 is in order to provide the dsp processor data and the code space in when operation; External host 209 is in order to move various wireless applications; Wherein, bridger 202 connects dsp processor 201, Analog Baseband chip 203, transceiver module 204, SIM card 205, external host 209 respectively, and transceiver module 204 is joined with antenna, and dsp processor 201 joins with memory 208.

The transceiver module comprises the Si4203 radio frequency chip, link to each other with CPLD or FPGA by principal and subordinate's serial line interface (SPI), running parameter is controlled by interface, just handing in/down-conversion of charge completion signal, the signal that is received by antenna during reception is through duplexer, band pass filter BPF to Si4203 radio frequency chip, be transformed to quadrature two-way analog signal RxI, RxQ delivers to the Analog Baseband chip, the quadrature two-way analog signal TxI that transmission is sent to by Analog Baseband, TxQ up-converts to the radiofrequency signal of assigned frequency through Si4203 radio frequency chip quadrature modulation, amplify by power amplifier PA, deliver to through duplexer and to carry out antenna emission, wherein the gain of power amplification is subjected to the Ramp signal controlling that Analog Baseband is confessed, to satisfy the code requirement of gsm system to transmitting power.Simultaneously, Analog Baseband is sent the AFC signal and is adjusted local crystal oscillator TCVCXO, with frequency and the time synchronized of assurance with base station system.

What Analog Baseband adopted is " AD6521 " chip, under the control of dsp processor, CPLD or FPGA are provided with AD6521 chip operation parameter by synchronous serial interface (SSP), digital value comprising AFC, Ramp, deliver to the transceiver module behind the digital value D/A switch of AD6521 chip with AFC, the burst of CPLD generation simultaneously timing controling signal control AD6521 chip receives accordingly and sends.When receiving, the AD6521 chip receives under the timing controling signal effect corresponding, to carry out mould/number and deliver to DSP from signal RxI, the RxQ that the transceiver module receives by synchronous serial interface, when sending, the AD6521 chip sends under the timing controling signal effect corresponding, to receive data from DSP by synchronous serial interface, carry out obtaining two-way analog signal TxI, TxQ after the corresponding GMSK modulation and deliver to the transceiver module, the AD6521 chip is delivered to transceiver module controls power after when sending the digital value of Ramp being carried out D/A switch.

The bridger that CPLD or FPGA realize provides the interface function of DSP and each several part, and its function comprises:

(1) provides the asynchronous read and write interface logic of SIM;

(2) bus interface of transceiver module, the bus interface of Analog Baseband are bridged on the bus interface of DSP;

(3) under DSP control, produce the timing controling signal that burst receives and burst sends, control transceiver module and Analog Baseband chip are bridged to pcmcia interface or the RS232 interface that is fit to external host with the bus interface of DSP, the timer function that provides to DSP;

(4) the external interface ability of expansion DSP.

Dsp processor is the key core parts of native system WOP, adopts C5502 DSP in the native system, and it is responsible for controlling, monitoring the operating state of all each modules, finishes the protocol stack function of radio communication, realizes WoP function of the present invention.The protocol stack program is carried on the real-time multi-task operating system BIOS, and is mutual by driving and Analog Baseband, transceiver module, SIM card and main frame.

Realized the GSM/GPRS protocol stack, the software protocol stack is by constituting with lower module: physical layer L1, data link LAPDm layer, RRM RR layer, mobile management MM layer, calling controling CC layer, supplementary service SS layer, short message SMS layer, MAC/RLC (medium access control/wireless connection control) layer, GPRS RRM GRR layer, GPRS mobile management GMM layer, session management SM layer, logical links LLC layer, subnet are assembled SNDCP layer and man-machine interface HMI layer.The WoP requirement is finished in each layer protocol collaborative work, and promptly monolithic DSP goes up and realizes complete communication protocol stack.

The function that physical layer L1 finishes: (1) carries out the catching of control channel (as BCCH), synchronously and the basic handling of time division duplex, carries out the time-controlled estimation of channel, the estimation of carrier frequency shift and AFC control; (2) carry out that receiving demodulation, equilibrium, burst form decompose, deinterleave, decoding, cyclic redundancy check (CRC), thereby restore data; (3) cyclic redundancy check (CRC) coding, the chnnel coding that sends, interweave, the burst form forms and transmission power control; (4) full rate (FR) or enhanced full rate (EFR) voice encoding/decoding.

The function that the LAPDm layer is finished: (1) provides one or more data link to connect; (2) allow the identification picture format; (3) allow the 3rd layer of message elements transparent transmission; (4) error detection occurs; (5) notify the 3rd layer of expendable mistake.

The function that the RR layer is finished: (1) set up, keep with releasing network and MS between point-to-point RR be connected, comprise cell selecting, sub-district gravity treatment and switching; (2) when no RR connects, keep the individual event of BCCH, CCCH and accept, comprise automatic cell selecting and gravity treatment.

The function that the MM layer is finished: (1) MM layer is supported the mobile management of user terminal, and for example: carry out the management that PLMN selects, user terminal provides the Confidentiality protection of user identity in the registration of the enterprising line position of network district; (2) be that (CC, SMS SS) provide the connection management service to different upper strata CM layers.

The function that the CC layer is finished: the telephone service that (1) CC layer network enabled initiated, support the Client-initiated telephone service, support urgent call, support call is rebuild upright, supports multiplex telephony; (2) the CC layer is supported the SS business relevant with the CC layer, for example: Call Waiting, call out maintenance, Multi-Party Conference etc.

The function that the SS layer is finished: finish and call out irrelevant supplementary service, as calling transfer, call blocking etc.

The function that the SMS layer is finished: (1) finishes acceptance and the transmission of point-to-point SMS; (2) finish the acceptance of broadcast SMS SMSCB.

The function that the MAC/RLC layer is finished: (1) provides multiplexing technique for a plurality of MS, and the solution of competition is provided; (2) LLC-PDUs is torn open (or dress) and become the RLC piece, and provide the back to error correction (BEC) mechanism.

The function that the GRR layer is finished: (1) finishes cell selecting and the gravity treatment under parsing, free time and the transmission mode of system message; (2) transmitted power measurement report.

The function that the GMM floor is finished: completing place and the management of route district comprise processes such as ATTACH, DETACH, cell update, Routing Area Update and authentication.

The function that the SM layer is finished: finish the session management procedure of wave point, mainly comprise activation, releasing and the modification of PDP environment.

The function that the LLC layer is finished: (1) guarantees to provide being connected of high reliability between mobile radio terminal and network SGSN; (2) be independent of the message structure of underlying protocol, support different length, transmission, support wrong identification and the recovery of supporting the transmission of end-end data, supporting affirmation and do not confirm data.

The function that the SNDCP layer is finished: (1) SNDCP can provide service for any one network layer protocol, and promptly a plurality of different PDP can transmit data and agreement control letter in same LLC link.(2) by compress technique, provide the function of improving channel efficiency.

The function that the HMI layer is finished: finish the data interaction of GPRS agreement and main frame.

Shown in Fig. 5 and Fig. 6 is the structural representation of method WoP of the present invention, and this method is complete GSM/GPRS PC card or the GPRS digital transmission module of realizing on the dsp processor of monolithic.Promptly for the wireless communication terminal of single mode operation shown in Figure 6 or multi-mode working shown in Figure 5, can on a DSP nuclear, distinguish integrated one (for example GPRS), or the complete wireless communication terminal protocol stack sofeware of a plurality of (for example GSM and GPRS) wireless communications standards specify; The complete wireless communication protocol stack function that comprises physical layer L1, data link layer L2 and network layer L3; The drive software of also integrated peripheral circuit and universal input and output port on same DSP nuclear comprises the function of bridge wireless protocol stack to DSP nuclear, peripheral circuit and universal input and output port; Single GPRS data-transformation facility can be realized, also GSM voice, short message, supplementary service can be realized, and the GPRS data-transformation facility.The specific implementation method is:

The transceiver module comprises main radio frequency chip, link to each other with bridger by bus interface, running parameter is controlled by interface, just handing in/down-conversion of charge completion signal, the signal that is received by antenna during reception is through duplexer, band pass filter is to main radio frequency chip, be transformed to analog signal and deliver to the Analog Baseband chip, the analog signal that transmission is sent to by Analog Baseband up-converts to the radiofrequency signal of assigned frequency through main radio frequency chip quadrature modulation, amplify by power amplifier, delivering to antenna through duplexer launches, wherein the gain of the power amplification power control signal that confessed by Analog Baseband is controlled, to satisfy the code requirement of system to transmitting power.Simultaneously, Analog Baseband is sent the automatic frequency correction signal and is adjusted local crystal oscillator, with frequency and the time synchronized of assurance with base station system.

Under the control of dsp processor, bridger is provided with the Analog Baseband running parameter through bus interface, produces timing controling signal control Analog Baseband and receives accordingly and send.When receiving, Analog Baseband receives under the timing controling signal effect corresponding, to carry out mould/number and deliver to DSP from the analog signal that the transceiver module receives by bus interface, when sending, Analog Baseband sends under the timing controling signal effect corresponding, receive data by bus interface from DSP, the signal that will carry out obtaining after the corresponding conversion is delivered to the transceiver module.

Bridger provides the interface function of DSP and each several part, and its function comprises:

(1) provides the asynchronous read and write interface logic of SIM;

(2) bus interface of transceiver module, the bus interface of Analog Baseband are bridged on the bus interface of DSP;

(3) produce the timing controling signal that burst receives and burst sends, control transceiver module and Analog Baseband chip;

(4) bus interface with DSP is bridged on the interface of external host or data terminal;

(5) timer function that provides to DSP;

(6) the external interface ability of expansion DSP.

Dsp processor is the key core parts of native system WoP, and it is responsible for controlling, monitoring the operating state of all each modules, finishes the protocol stack function of radio communication.Obtain a dsp processor and be used to carry one or more complete standard wireless communication agreements, in conjunction with the device that the present invention proposes the wireless communication protocol stack function is realized bridge joint by software and hardware and periphery/imput output circuit, so can finish the WoP function that the present invention proposes.The protocol stack program is carried on the real-time multi-task operating system, and is mutual by driving and Analog Baseband, transceiver module, SIM card and main frame.

Claims (2)

1. on single processor core, realize complete method of wireless communication for one kind, it is characterized in that: for the wireless communication terminal of single mode operation or multi-mode working, on a DSP nuclear, distinguish the complete wireless communication terminal protocol stack sofeware of integrated one or more wireless communications standards specify, comprise the complete wireless communication protocol stack function of physical layer L1, data link layer L2 and network layer L3; The drive software of also integrated peripheral circuit and universal input and output port on same DSP nuclear comprises the function of bridge wireless protocol stack to DSP nuclear, peripheral circuit and universal input and output port; Wireless communication terminal protocol stack program and driver can be done as a whole operation in a DSP nuclear; Physical layer L1, data link layer L2, network layer L3 protocol stack program and driver can be done as a whole exploitation compiling in the Integrated Development Environment of DSP, generate executable binary code; After dsp processor powered up, according to start-up mode, executable binary code was downloaded among the DSP by host interface, or started operation from the flash memory of DSP; Program is carried out the work of DSP hardware check, initialization setting, checks whether SIM card exists, and the reading SIM card data; The protocol stack program carries out that cordless communication network is selected, the sub-district synchronously, be stationed and register; After registering successfully, finish voice, supplementary service, short message and the data transmission service of agreement regulation; The DSP outage, the protocol stack program is finished necessary removal registration work.

2. implement device of on single processor core, realizing complete method of wireless communication as claimed in claim 1, it is characterized in that: it comprises dsp processor (201), in order to finish the agreement work of whole wireless system protocol stack, finish control by bridger simultaneously, and communicate with external host to each module; Bridger (202) is finished the asynchronous serial port transceive data with SIM card, finishes the relevant burst timing controlled of wireless communication system under processor control; Analog Baseband chip (203) is in order to finish the mould/number and the D/A switch of transceive data between transceiver module and the dsp processor; Transceiver module (204) is in order to receive and to send wireless signal; SIM card (205) is with the bridger interface, in order to user's relevant information to be provided to processor and to finish network authentication, encryption function; Crystal oscillator (206) provides local frequency and timing reference in order to give complete wireless communication terminal; Power management module (207) is supplied with and management in order to the power supply of finishing whole device; Memory (208) is in order to provide the dsp processor data and the code space in when operation; External host (209) is in order to move various wireless applications; Wherein, bridger (202) connects dsp processor (201), Analog Baseband chip (203), transceiver module (204), SIM card (205), external host (209) respectively, transceiver module (204) is joined with antenna, and dsp processor (201) joins with memory (208); Power management module, the power supply in order to the control each several part comprises the electricity-saving function relevant with communication protocol stack.

Images