CN101179828A - Data acquisition method and system for implementing data acquisition in SCDMA system - Google Patents
Data acquisition method and system for implementing data acquisition in SCDMA system Download PDFInfo
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- CN101179828A CN101179828A CNA2006101383143A CN200610138314A CN101179828A CN 101179828 A CN101179828 A CN 101179828A CN A2006101383143 A CNA2006101383143 A CN A2006101383143A CN 200610138314 A CN200610138314 A CN 200610138314A CN 101179828 A CN101179828 A CN 101179828A
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Abstract
The invention provides a method and system for collecting data in an SCDMA system. The system at least contains BSes, a BSC, an HLR, a data collection device, a GWF and an APP Server; the method contains the following: a plurality of BSes on an ACCO generate a paging request toward a DCE which launches a distribution establishment process of a wireless link on an ACCI; after signaling interaction with other devices, the BSes transmit allowed information of data transmission to the DCE; then data transmission is conducted between the DCE and a DTE; upon receipt of data transmitted by the BSC, the GWH transmits the data to the APP Server through an SLa interface. By adopting the invention, transmission interference of multi-paths is avoided; accurate receiving and realizing in-phase CDMA is ensured; interference among multiple accesses is reduced; system capacity is increased; the problem of aero link blockage caused by large capacity of data collection and short time of burst communication in a single time is prevented.
Description
Technical field
The present invention relates to a kind of collecting method and system, relate in particular to a kind of collecting method and system that in the SCDMA system, realizes data acquisition.
Background technology
At present, there is the multiple method of utilizing public wireless network to carry out data acquisition, for example utilizes GSM/GPRS and CDMA1x network to carry out data acquisition.
GPRS (GPRS) is a kind of novel packet data transmission business of opening on existing GSM network, and it can allow a plurality of users share some fixing channel resource.GPRS is applicable to interruption, paroxysmal or frequent, a spot of transfer of data, also is applicable to big data quantity transmission once in a while, has the advantage of " real-time online ", " chargeing according to quantity ", " quick login ", " high-speed transfer ", " switching freely ".At present since the GSM network coverage wide, need not to set up the base station, can realize the advantage of function such as voice/note, it is more and more to take the GSM/GPRS mode to carry out the terminal of data acquisition.On implementation method, terminal system inserts the GSM network by the GSM/GPRS module, just can utilize short message or GPRS packet-switch technology to carry out data acquisition.Its key step is: acquisition terminal passes through the order that the GSM/GPRS module obtains central station, and carries out data acquisition and Equipment Control according to this order; To gather the data that obtain afterwards and upload to the GSM public network with GPRS packet-switch technology or short message way, receive the go forward side by side processing such as storage demonstration of line data of data by being connected central station on this public network by the GSM/GPRS module.
CDMA is the radio spread spectrum communication technology that is used for a kind of advanced person of digital mobile cellular telecommunication.The CDMA1x theoretical bandwidth of CHINAUNICOM can reach 300Kb/s at present, the practical application bandwidth is about about 100Kb/s (bi-directional symmetrical transmission) greatly, on this channel, provide TCP/IP to connect, can realize application such as INTERNET connection, transfer of data, and its advantage is with to adopt the GSM/GPRS mode to carry out the advantage of data acquisition identical.On implementation method, system terminal inserts cdma network by the CDMA module, just can utilize CDMA technology to carry out data acquisition.Its key step is: acquisition terminal passes through the order that the CDMA module obtains central station, and carries out data acquisition and Equipment Control according to this order; To gather afterwards the data that obtain by the CDMA module with TCP/IP or X.25 protocol mode upload to the CDMA public network, receive the go forward side by side processing such as storage demonstration of line data of data by being connected central station on this public network.
Though the method that adopts GSM/GPRS and CDMA1x mode to carry out data acquisition has advantages such as " real-time online ", " chargeing according to quantity ", " quick login ", " high-speed transfer ", " switching freely ", but adopt short message to transmit not only finite capacity of data, and real-time can not be guaranteed; And in use, can occur during festivals or holidays because the Internet resources poorness cause information to stop up, thereby system can not receive data for a long time, has lost the data in real time Significance of monitoring.In addition, because GPRS and CDMA1x technical sophistication, the end product cost adopts the communication mode based on wireless public network such as GPRS and CDMA1x than higher, and the operating cost of communicating by letter usually is exactly a no small expense.
Reach the method for also not utilizing SCDMA wireless network mode to carry out data acquisition at present of considering in view of the above problems, be necessary to design a kind of method that can in the SCDMA system, utilize the exclusive characteristics of SCDMA technology to realize data acquisition in fact.
Summary of the invention
The object of the present invention is to provide a kind of collecting method of realizing data acquisition in the SCDMA system, the intelligent antenna technology that it utilizes in the SCDMA technology has overcome the multipath transmisstion interference, has guaranteed correct reception and has realized synchronization CDMA; And owing to reduced the multiple access interference, thereby increased power system capacity greatly.
Another object of the present invention is to provide a kind of collecting method of in the SCDMA system, realizing data acquisition, it utilizes paging channel in the SCDMA technology (ACC0) and the mode that access channel (ACC1) separates, and has overcome because the airlink blocking problem that data acquisition capacity characteristics big, that the single burst call duration time is short cause.
Another purpose of the present invention is to provide a kind of data acquisition system that realizes data acquisition in the SCDMA system, thereby utilizes the SCDMA wireless network to carry out data acquisition.
For achieving the above object, the present invention proposes a kind of collecting method of realizing data acquisition in the SCDMA system, wherein comprise several base stations (BS) at least in this SCDMA system, several base stations controller (BSC), plurality of data harvester and some application servers (APP Server), wherein also comprise SCDMA gateway (Gateway Function, GWF), data acquisition unit is by data acquisition module (Data Terminal Equipment, DTE) and data communication module (DataConnect Equipment, DCE) form, this collecting method comprises the steps:
A plurality of base stations of step 1:SCDMA system are initiated the paging request by its paging channel (ACC0) separately to described DCE according to system requirements in the whole lane place of system;
Step 2: receive the paging request of one of them base station transmission as described DCE after, go up the distribution of initiating Radio Link at the access channel (ACC1) of this base station and set up process;
Step 3: described base station sends transfer of data to described DCE and allows message after finishing Signalling exchange with GWF, the APP Server of SCDMA grid side and other equipment;
Step 4: described DCE carries out data acquisition flow with DTE after receiving that described transfer of data allows message; Wherein this data acquisition flow comprises that data link establishment stage, data transfer phase and data link discharge the stage;
Simultaneously, at described data transfer phase, the data that described DCE gathers described DTE are sent to the network side of SCDMA system;
Step 5: after the described data that described GWF As-received station control sends, described data are sent to described APP Server by the SLa interface.
Further, in step 2, DCE initiates Radio Link on the access channel of base station distribution is set up process and is specially:
Step 21: described DCE sends synchronization request (Sync1_Only) message to described base station on the access channel of described base station, begin to insert;
Step 22: described base station comprises synchronism deviation (SS) and power control bit (PC) information to described DCE feedback synchronization request response (SS_Enable) message in the wherein said SS_Enable message;
Step 23: after described DCE receives described SS_Enable message, adjust transmitting time and the power that it sends Radio Link foundation request (Link_Request) message according to SS and PC information, on the access channel of described base station, send Link_Request message afterwards to described base station;
Step 24: after described Link_Request message is received in described base station, distribution service code channel (VCC), and to described DCE transmission Radio Link foundation request affirmation (Link_Grant) message;
Step 25: described DCE enters the VCC of described Link_Grant message appointment, and sends handshake (SABM) to described base station;
Step 26: the answer signal (SABM_Ack) of shaking hands is fed back to described DCE in described base station, and the distribution of Radio Link is set up and finished;
Wherein, when Radio Link did not have voice or data to transmit, in described step 26, described base station also can send to described DCE and keep the effectively message of (ID_OK) of Radio Link address after described DCE has fed back SABM_Ack.
Wherein, in application type (APP-TYPE) field of described Link_Request message, defined professional business option (ServiceOption).
Preferably, described ServiceOption is for need carry out service negotiation.
Further, in step 2, in the process that DCE inserts by access channel, adopt the figuration technology of smart antenna, played the effect of control classification, thereby further reduced interference, improved the reliability of access channel.
Further, in step 4, the data acquisition flow that described DCE and DTE carry out is specially:
Step 41: described DCE sends data acquisition solicitation message (+CRING:REL ASYNC message) to described DTE;
Step 42: described DCE sends data transmission message (DCD VALID message) to described DTE after receiving the data acquisition response message (ATA message) of described DTE transmission;
Step 43: carry out transfer of data between described DCE and the described DTE;
Step 44: when the transfer of data between described DCE and the described DTE finishes, described DTE receives that described DCE sends withdraw from data transmission message (DCD INVALID message) and system resource and discharge the message (NO CARRIER message) that finishes after, the end data collection.
Further, in step 5, after described APP Server receives the data that described DTE gathers, described APP Server will analyze described data, and preserve corresponding data according to user's demand.
Wherein, described DCE can be the SCDMA terminal.
For achieving the above object, the present invention proposes a kind of data acquisition system that realizes data acquisition in the SCDMA system, wherein said data acquisition system comprise at least plurality of data harvester, some BS, some BSC,, attaching position register (HLR) and several A PP Server, and described data acquisition system also comprises:
GWF, it communicates by SL interface and described BSC;
Wherein, described data acquisition unit comprises DTE and DCE, and DCE communicates by serial ports and DTE, and DCE communicates by wave point and described BS;
APP Server communicates by SLa interface and described GWF.
Further, described DTE is used for the collection of initial data and the initial data of gathering is converted to digital signal; Described DCE is used for described digital signal is sent to the network side of SCDMA system; Communicating by letter between the equipment that described GWF is used to transmit data, be responsible for SCDMA grid side and the described APP Server; Described APP Server is used to analyze the transmission of data, control data and disposes its corresponding service access code (SAAN); Wherein, described APP Server also is used for preserving according to user's demand the data of described data collecting module collected.
Adopt collecting method of the present invention and system to have following advantage:
1) the present invention utilizes the intelligent antenna technology in the SCDMA technology, has overcome the multipath transmisstion interference, has guaranteed correct reception and has realized synchronization CDMA; And owing to reduced the multiple access interference, thereby increased power system capacity greatly;
2) the present invention utilizes paging channel in the SCDMA technology (ACC0) and the mode that access channel (ACC1) separates, and has overcome because the airlink blocking problem that data acquisition capacity characteristics big, that the single burst call duration time is short cause; And the present invention has adopted the figuration technology of smart antenna in the process that DCE inserts by access channel, played the effect of control classification, thereby further reduced interference, has improved the reliability of access channel;
3) data communication module of the present invention adopts and sets up bearer service towards connected mode, compares with the packet switching that GSM/GPRS and CDMA1x mode adopt, and does not have problems such as the grouping of packet and route, has the real-time height, the advantage of good reliability;
4) interface between data acquisition module of the present invention and the data communication module has been taked many particular design, and wherein, software interface is taked the AT Command Set of standard, support detects in real time to data communication module fault, heartbeat mechanism, fault recovery and fault warning, and interface protocol favorable expandability; In addition, consider the requirement of high/low temperature application circumstances, hardware interface has increased high temperature and low temperature control interface especially, can guarantee each module operate as normal under each temperature kind environment by this interface.
Description of drawings
Fig. 1 is the physical connection schematic diagram of the network schemer bearer service of data acquisition system of the present invention among the embodiment;
Fig. 2 is and physical connection corresponding protocols connection diagram shown in Figure 1;
Fig. 3 is the connection diagram between DCE and the DTE in the data acquisition unit;
Fig. 4 is the structural representation of DCE in the data acquisition unit;
The signaling process schematic diagram of process is set up in Fig. 5 initiates Radio Link for DCE in the data acquisition unit on the ACC1 of base station distribution;
Fig. 6 is the structural representation of smart antenna involved in the present invention;
Fig. 7 is the data acquisition signaling process schematic diagram between DTE and the DCE in the data acquisition unit;
Fig. 8 is the method flow schematic diagram of collecting method of the present invention;
Calling when Fig. 9 is caller for DTE in one embodiment of the invention is set up flow process (MO flow process) schematic diagram;
Called flow (MT flow process) schematic diagram when Figure 10 is called for DTE in one embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, concrete enforcement of the present invention is further described in detail.
Collecting method of the present invention and system can provide SCDMA terminal (UT) or be connected the intercommunication of TE2 (DTE) and other public wireless data network on the SCDMA terminal (UT), wherein, because the intercommunication of SCDMA terminal and public data network belongs to prior art, does not repeat them here; Below mainly describe being connected the DTE on the SCDMA terminal and the related content of public wireless data net interconnecting.
Because at present the SCDMA system provides the circuit type bearer service, and should business with connection-oriented mode work, therefore in the process that realizes data acquisition, have connect, data transmit be connected working procedure such as release.
Collecting method of the present invention and system are applicable to remote wireless data collection, and can provide end-to-end transparent transmission link under the support of SCDMA 1800MHz network system.The network model of the network schemer bearer service of data acquisition system of the present invention as shown in Figure 1, its corresponding protocol model as shown in Figure 2, wherein the DCE of data acquisition unit is SCDMA terminal (SCDMA Terminal) in the present embodiment.
Data acquisition unit of the present invention comprises data communication module (DCE) and data acquisition module (DTE), and the connection diagram between them as shown in Figure 3.Referring to Fig. 3, DTE comprises transducer and the two-part function of analog-to-digital conversion (A/D), and it is responsible for being converted to the collection of initial data and the initial data of gathering, and the communication mode according to standard is sent to DCE after the digital signal; DCE communicates by serial ports and DTE, is responsible for by wave point described digital signal being sent to the SCDMA network side.
The structural representation of DCE as shown in Figure 4, DCE comprises temperature control unit, baseband control unit and three parts of radio frequency control unit; Wherein, temperature control unit and baseband control unit are on same pcb board, but both are independent fully; And baseband control unit links to each other with the radio frequency control unit by mother daughter board connector.Major function to each control unit among the DCE is further detailed below.Baseband control unit mainly is responsible for finishing whole digital baseband signal processing, speech volume interpreter code processing and high-level signaling and is handled as the main logic unit among the DCE, and complete machine control etc.The major function of temperature control unit is to monitor the temperature of DCE in real time, guarantees that DCE can normally start and work under low temperature environment; When ambient temperature is lower than setting threshold, temperature control unit will start heater circuit automatically, be heated in DCE inside, guarantee the operate as normal of DCE.The radio frequency control unit mainly is made up of receiver, sender and frequency synthesizer, and it with the work of TDD time division duplex, can be operated on any carrier frequency point in the regulation frequency range under the DSP logic control; The radio frequency control unit mainly is responsible for transmission and the conversion between aerial radiofrequency signal and the baseband digital signal, comprises speech and signaling information; The radio frequency control unit also provides clock and frequency information, and carries out corresponding transmission power and receiving gain control.
GWF of the present invention communicates by the BSC of SL interface and SCDMA network side, is used to transmit data.Because GWF is the important component part of SCDMA system bearing business in the present invention, so communicating by letter between its equipment of being responsible for SCDMA grid side and the SCDMA system peripherals equipment (the described APP Server of various bearer services).
In addition, GWF can support the functional requirement of APP Server, HLR, terminal and maintenance.Wherein, 1) GWF can handle APP Server to the link setup of terminal with tear the chain request open, can carry out route and transmission to data according to APPServer and terminal, can support flow control; 2) GWF can inquire about the BSC numbering of the UID of respective user and visit recently according to Subscriber Number, can be according to user's the UID and the HLR at telephone number query user place, and carry out route by the routing iinformation of configuration HLR; 3) but the GWF support terminal to the link setup request of APP Server with tear the chain request open, the switching of user between the BSC under the same GWF in the time of can being supported in transfer of data can be carried out route and transmission to data according to APPServer and terminal, can support flow control.
APP Server of the present invention communicates by SLa interface and GWF, be used to analyze the transmission of data, control data and dispose its corresponding service access code (SAAN), and described APP Server also is used for preserving according to user's demand the data of described data collecting module collected.Wherein, APP Server can support the control to flow, and port, IP attribute that the service access code of configurable bearer service (SAAN) reaches GWF are configured.
In Fig. 1 and Fig. 2, the Paging that is based on the lane place (LA Paging) that the communication pattern between DCE (being the SCDMA terminal) and base station (BS) adopts; Promptly as DTE when being called, a plurality of BS of SCDMA system initiate the paging request by its paging channel (ACC0) separately to DCE according to system requirements in the whole lane place of system, and wherein BS uses Paging Message paging DCE; Afterwards, after DCE receives the paging request that one of them BS sends, go up the distribution of initiating Radio Link at the special-purpose access channel (ACC1) of this BS and set up process.Certainly, when DTE is caller, then need not through paging,, promptly on the ACC1 of one of them base station of SCDMA system, initiate the distribution of Radio Link and set up process as long as after DCE receives that Radio Link that DTE sends inserts request message.Wherein, DCE initiates the distribution of Radio Link and sets up process on the ACC1 of base station, as shown in Figure 5, mainly comprise the steps:
Step a:DCE sends Sync1_Only message to BS on ACC1, begin to insert;
Step b:BS wherein comprises SS and PC information to DCE feedback SS_Enable message in the SS_Enable message;
After step c:DCE receives SS_Enable message, adjust transmitting time and the power that it sends Link_Request message, on ACC1, send Link_Request message afterwards to BS according to SS and PC information; Wherein, in application type (APP-TYPE) field of Link_Request message, defined professional business option (ServiceOption); In the present embodiment, ServiceOption is defined as carries out service negotiation;
After steps d: BS receives Link_Request message, distribution service code channel (VCC), and to DCE transmission Link_Grant message;
Step e:DCE enters the VCC of Link_Grant message appointment, and sends the SABM signal to BS;
Step f:BS is to DCE feedback SABM_Ack signal, and the distribution of Radio Link is set up and finished.Wherein, when Radio Link did not have voice or data to transmit, after this step, BS also can send the ID_OK message of keeping Radio Link to DCE.
In addition, when process is set up in the distribution of initiating Radio Link on the ACC1 of DCE at BS, in the process that DCE inserts by ACC1, in order to play the effect of control classification, disturb so that further reduce, improve the reliability of ACC1, collecting method of the present invention and system have all adopted the figuration technology of smart antenna.The structure of smart antenna as shown in Figure 6, smart antenna is exactly that baseband digital signal is treated to every channel a shaped aerial launching beam is provided.In the SCDMA system, smart antenna can address the problem: overcome multipath transmisstion and disturb, guarantee the correct synchronization CDMA that receives and realize; And owing to reduced the multiple access interference, thereby increased power system capacity greatly; In addition, many low power amplifiers replace high power amplifier, can reduce cost, improve reliability.
Finishing the distribution of Radio Link between DCE and BS sets up, and after GWF, the APP Server of BS and SCDMA grid side and other equipment finish corresponding Signalling exchange, to carry out once normal data acquisition flow between DTE and the DCE, wherein this data acquisition flow is divided into three phases: data link establishment stage, data transfer phase and data link discharge the stage, as shown in Figure 7, mainly comprise the steps:
Steps A: DCE is to DTE transmission+CRING:REL ASYNC message; Expression has data incoming call message (being the data acquisition application);
Step B:DTE receives+CRING:REL ASYNC message after, to DCE feedback ATA message;
After step C:DCE receives ATA message, send DCD VALID message to DTE; The expression data link is set up and is finished, and can transmit data;
Step D:DTE image data, and send DCE to after the data of gathering are converted to digital signal, wherein transfer of data is carried out in the mode of transparent BIT stream;
Step e: after the transfer of data between DCE and the DTE finishes, DCE will send DCD INVALID message to DTE, the expression data transmission state; Afterwards, DCE also can send NO CARRIER message again to DTE, and expression system resource discharges and finishes.Thereby a data acquisition between DTE and the DCE finishes.
Below in conjunction with the above-mentioned explanation that DCE is set up the data acquisition flow between process and DTE and the DCE in the distribution of initiating Radio Link on the ACC1 of BS, and, collecting method of the present invention is described in detail in conjunction with Fig. 8.In the present embodiment, DCE is the SCDMA terminal, and collecting method of the present invention comprises the steps:
A plurality of base stations of step 1:SCDMA system are initiated the paging request by its ACC0 separately to described DCE according to system requirements in the whole lane place of system;
Step 2: receive the paging request of one of them base station transmission as DCE after, on the ACC1 of this BS, initiate the distribution of Radio Link and set up process; Detailed process is seen top corresponding description to Fig. 5;
Step 3:BS sends transfer of data to DCE and allows message after finishing Signalling exchange with GWF, the APP Server of SCDMA grid side and other equipment;
Step 4:DCE carries out data acquisition flow with DTE after receiving that transfer of data allows message; Wherein this data acquisition flow comprises that data link establishment stage, data transfer phase and data link discharge the stage; Detailed process is seen top corresponding description to Fig. 7;
Simultaneously, at data transfer phase, the data that DCE gathers DTE are sent to the network side of SCDMA system;
Step 5: receive the described data of BSC transmission as GWF after, data are sent to APP Server by the SLa interface.
Below in conjunction with Fig. 8, be that caller and the concrete operations flow process when called are described in detail to DTE respectively, wherein DCE is SCDMA terminal (UT).
One, when DTE is caller, relevant flow process is specially as shown in Figure 9:
Step a:DTE sends the ATD order to UT, makes a call, and requires to connect.
Step b～g: when the user makes a call, carrying out the distribution of Radio Link and set up process, mainly is to carry out synchronously and acquisition VCC code channel, specifically can be referring to top corresponding description to Fig. 5; Wherein, in Link_Request message, need the professional ServiceOption of definition, in the APP-TYPE field, have two values to keep at present, adopt one of them value 011 expression need carry out service negotiation in the present embodiment.
Carry out service negotiation between step h:UT and the BSC.
Step I: after the service negotiation success, UT sends Service Link Establish message to BS, and expression requires to carry out professional link setup, and comprises the ServiceOption that consults in message.
Step j:UT sends called number (Callednumber) after entering VCC, and carries SAAN simultaneously.Wherein, Service Link Establish message and Callednumber message there is no the sequential requirement, can send simultaneously.
Step k:BS receives after the Service Link Establish message, sends L3Request to BSC, asks the address into this call distribution L3, and carry ServiceOption in L3 Request message.
Authentication process between step l:UT and the BSC.
Step m:BSC sends Service Link Setup Request request to LMCC, and in Service Link Setup Request, carry ServiceOption, LMCC judges then according to the HLR stored user information whether the user has applied for this ServiceOption that has asked.
Step n:LMCC returns Service Link Setup Response message to BSC.
Step o:BSC returns L3 Request Ack to BS.
Link setup process between step p-s:BS and the BSC is identical with process in the audio call.
Wherein, BSC receives after the ALLOCATION COMPLETE message of BS, sends BEAR_LINK_ESTABLISH_REQ link setup request message to GWF, but does not carry called number SAAN in the message.
After link setup was finished between step t:BSC and the BS, BS sent called number by SIGNAL to BSC.
After step u:BSC receives called number, send BEAR_CALLED_NUMBER message to GWF, after GWF receives article one BEAR_CALLED_NUMBER message, start timer Tnum, wherein, the time-out time of timer Tnum can be 5 seconds, and the longest is 8 seconds; The number of receiving before timer expiry is as significant number.
Step v:GWF receives after the number, sends the request of LINK_ESTABLISH_REQ link setup to APP Server.
Step w:APP Server returns the response of LINK_ESTABLISH_RSP link setup to GWF.
Step x:BSC receives the LINK_ESTABLISH_RSP link setup response of GWF in timer Tble maximum prescribed duration.
After step y:BSC and GWF link setup were finished, the TLP between BSC initiation and the UT set up process.
Step z: after TLP foundation was finished, BSC sent the polarity upset signal to BS.
Step aa:BS is to BSC loopback SIGNAL ACK.
Step bb:BS sends Line Signal message to UT, and expression can carry out data call.
Step cc:UT sends the ATDOK order to DTE, the expression call through.
Steps d d-hh: transfer of data is carried out process, specifically can be referring to top corresponding description to Fig. 7.
Two, as DTE when being called, relevant flow process is specially as shown in figure 10:
Step a:APP Server initiates LINK_ESTABLISH_REQ to GWF, requires link setup.
Step b-c:GWF is by the BSC of SNg interface to HLR inquiry terminal UT place.
Steps d: GWF sends BEAR_LINK_ESTABLISH_REQ to BSC.
Step e:BSC sends Service Link Setup Request request to LMCC, in ServiceLink Setup Request, carry ServiceOption, LMCC judges then according to the HLR stored user information whether the user has applied for this ServiceOption that has asked.
Step f:LMCC returns Service Link Setup Response message to BSC.
Step g: BSC sends LA PAGING message to BS, in LA PAGING message, the ServiceOption field is made as default value (011).
Step h:BS carries out paging to UT, and carries default value in beep-page message.
Step I-n: process is set up in the distribution of Radio Link, can mainly be to carry out synchronously and acquisition VCC code channel referring to top corresponding description to Fig. 5 specifically.In LINK_REQUEST message, the APP-TYPE field is made as default value 011.
Step o:BS returns page response to BSC.
Carry out service negotiation between step p:UT and the BSC.
Step q: after the service negotiation success, UT sends Service Link Establish message to BS, and expression requires to carry out professional link setup.In Service Link Establish message, carry ServiceOption, be used to inform which kind of business BS is.
Authentication process between step r:UT and the BSC is identical with the audio call authentication process.
Step s:BSC sends ALLOCATION to BS, the assigns talk time slot.
Step t:BS sends response message ALLOCATION COMPLETE to BSC.
Step u:BCS sends ESTABLISH to BS, initiates PSTN link setup process; Calling number and ringing information have wherein been carried among the ESTABLISH.
Step v:BS sends Line Signal to UT, has wherein comprised calling number and ringing information.
Step w:BS sends ESTABLISH ACK to BSC, has acknowledged receipt ESTABLISH, and shows and can be this call distribution resource.After BSC receives ESTABLISH ACK, initiate TLP and set up process.
After step x:TLP set up and finishes, DTE received the active result code RING of UT, and expression has the incoming call incident.
Step y:DTE sends ATA to UT, and expression is replied.
Step z: behind called subscriber's off-hook, UT sends the Line Signal that comprises off-hook information.
Step aa:BS uses the called off-hook of SIGNAL notice BSC.
Step bb:BSC sends SIGNALACK, has acknowledged receipt SIGNAL.
Step cc:BSC sends BEAR_LINK_ESTABLISH_RSP to GWF, and professional foundation of expression finished.
Steps d d:GWF sends LINK_ESTABLISH_RSP to APP Server, and professional foundation of expression finished.
Carry out data transmission procedure between step ee-jj:APP Server and the DTE, specifically can be referring to top corresponding description to Fig. 7.
Should be understood that; this paper is described in detail concrete enforcement of the present invention with top; but it only is preferred embodiment of the present invention; be not to be used to limit protection scope of the present invention, collecting method of the present invention goes for the various fields that need image data and transmission data.It will be apparent to those skilled in the art that and can also make some improvements and modifications under the prerequisite that does not break away from the principle of the invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. collecting method of in the SCDMA system, realizing data acquisition, wherein comprise several base stations, several base stations controller, plurality of data harvester and some application servers at least in this SCDMA system, it is characterized in that also comprising the SCDMA gateway, data acquisition unit is made up of data acquisition module and data communication module, and its method that realizes data acquisition comprises the steps:
A plurality of base stations of step 1:SCDMA system are initiated the paging request by its paging channel separately to described data communication module according to system requirements in the whole lane place of system;
Step 2: receive the paging request of one of them base station transmission when described data communication module after, on the access channel of this base station, initiate the distribution of Radio Link and set up process;
Step 3: described base station sends transfer of data to described data communication module and allows message after SCDMA gateway, application server and other equipment with SCDMA grid side finish Signalling exchange;
Step 4: described data communication module carries out data acquisition flow with data acquisition module after receiving that described transfer of data allows message; Wherein this data acquisition flow comprises that data link establishment stage, data transfer phase and data link discharge the stage;
Simultaneously, at described data transfer phase, described data communication module is sent to the data of described data collecting module collected the network side of SCDMA system;
Step 5: after the described data that described SCDMA gateway As-received station control sends, described data are sent to described application server by the SLa interface.
2. collecting method according to claim 1 is characterized in that, in step 2, data communication module is initiated Radio Link on the access channel of base station distribution is set up process and is specially:
Step 21: described data communication module sends synchronization request message to described base station on the access channel of described base station, begin to insert;
Step 22: described base station comprises synchronism deviation and power control bit information to described data communication module feedback synchronization request response message in the wherein said synchronization request response message;
Step 23: after described data communication module is received described synchronization request response message, adjust transmitting time and the power that its transmission Radio Link is set up request message according to synchronism deviation and power control bit information, on the access channel of described base station, send Radio Link afterwards and set up request message to described base station;
Step 24: after described base station receives that described Radio Link is set up request message, the distribution service code channel, and to described data communication module transmission Radio Link foundation request acknowledge message;
Step 25: described data communication module enters the professional code channel that described Radio Link is set up the appointment of request acknowledge message, and sends handshake to described base station;
Step 26: the answer signal of shaking hands is fed back to described data communication module in described base station, and the distribution of Radio Link is set up and finished;
Wherein, when Radio Link did not have voice or data to transmit, in described step 26, described base station also can send to described data communication module and keep the effective message in Radio Link address after described data communication module has fed back the answer signal of shaking hands.
3. collecting method according to claim 2 is characterized in that, has defined professional business option in described Radio Link is set up the application type field of request message.
4. collecting method according to claim 3 is characterized in that described business option is for need carry out service negotiation.
5. collecting method according to claim 1 is characterized in that, in step 2, in the process that data communication module inserts by access channel, has adopted the figuration technology of smart antenna.
6. collecting method according to claim 1 is characterized in that, in step 4, the data acquisition flow that described data communication module and data acquisition module carry out is specially:
Step 41: described data communication module sends the data acquisition solicitation message to described data acquisition module;
Step 42: described data communication module sends data transmission message to described data acquisition module after receiving the data acquisition response message of described data acquisition module transmission;
Step 43: carry out transfer of data between described data communication module and the described data acquisition module;
Step 44: when the transfer of data between described data communication module and the described data acquisition module finishes, described data acquisition module receives that described data communication module sends withdraw from data transmission message and system resource and discharge the message that finishes after, the end data collection.
7. collecting method according to claim 1, it is characterized in that, in step 5, receive the data of described data collecting module collected when described application server after, described application server will be analyzed described data, and preserve corresponding data according to user's demand.
8. method according to claim 1 is characterized in that, described data communication module is the SCDMA terminal.
9. data acquisition system that in the SCDMA system, realizes data acquisition, wherein said data acquisition system comprises plurality of data harvester, several base stations, several base stations controller, attaching position register and some application servers at least, it is characterized in that described data acquisition system also comprises:
The SCDMA gateway, it communicates by SL interface and described base station controller;
Wherein, described data acquisition unit comprises data acquisition module and data communication module, and data communication module communicates by serial ports and data acquisition module, and data communication module communicates by wave point and described base station;
Application server communicates by SLa interface and described SCDMA gateway.
10. data acquisition system according to claim 9 is characterized in that,
Described data acquisition module is used for the collection of initial data and the initial data of gathering is converted to digital signal;
Described data communication module is used for described digital signal is sent to the network side of SCDMA system;
Communicating by letter between the equipment that described SCDMA gateway is used to transmit data, be responsible for SCDMA grid side and the described application server;
Described application server is used to analyze the transmission of data, control data and disposes its corresponding service access code;
Wherein, described application server also is used for preserving according to user's demand the data of described data collecting module collected.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929471A (en) * | 2014-03-19 | 2014-07-16 | 国家电网公司 | Service access method and device for electric power customer service system |
| CN107925667A (en) * | 2015-09-02 | 2018-04-17 | 高通股份有限公司 | The transmission of wearable device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235427C (en) * | 2002-10-28 | 2006-01-04 | 华为技术有限公司 | Mobile station having environmental data collection function and its environmental data collecting method |
| CN1317915C (en) * | 2005-11-03 | 2007-05-23 | 重庆重邮东电通信技术有限公司 | TD-SCDMA accessing network and core network signalling tester and testing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929471A (en) * | 2014-03-19 | 2014-07-16 | 国家电网公司 | Service access method and device for electric power customer service system |
| CN107925667A (en) * | 2015-09-02 | 2018-04-17 | 高通股份有限公司 | The transmission of wearable device |
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