CN101287183B - Base station for wireless access and data collection in personal access phone system - Google Patents
Base station for wireless access and data collection in personal access phone system Download PDFInfo
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- CN101287183B CN101287183B CN2008101019777A CN200810101977A CN101287183B CN 101287183 B CN101287183 B CN 101287183B CN 2008101019777 A CN2008101019777 A CN 2008101019777A CN 200810101977 A CN200810101977 A CN 200810101977A CN 101287183 B CN101287183 B CN 101287183B
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Abstract
The invention discloses a wireless-access and data-acquisition base station which is based on an AK2495 base-band processing chip and comprises a central base-band processing module, a user switching module, a radio frequency module, a base station interface module, a data acquisition and sub-control module, a software signaling processing module and a remote power supply module. In addition to basic wireless urban telephone communication, the wireless-access and data-acquisition base station of the invention can also provide functions such as data acquisition and remote sub-control, local wire and wireless user switching, digital cordless (Q-BOX) function, local short message group sending and receiving monitoring, accurate mobile phone positioning, etc., thus providing enterprise wireless users with a programmable, customized and intellectualized wireless access base station.
Description
Technical field
The present invention relates to a kind of PHS (Personal Handyphone System) wireless access and data acquisition type base station, refer in particular to PHS wireless access and data acquisition type base station based on the AK2495 baseband processing chip, mainly be applicable to enterprise-level radio communication private network technology, the services such as mobile voice communication, broadband wireless data transmission, mobile command scheduling, personnel positioning tracking and note of customization are provided for enterprise.
Background technology
At present, (base station of the Personal Handyphone System(PHS) communications field all is 10 milliwatts of overseas certain state or the PHS base station of 500 milliwatts to be applied to Chinese PHS, PHS base station from the complete independent development design of core Base-Band Processing to the modulation radio frequency to communication protocol software, have only the base station to derive or auxiliary products at present in China, as: repeater, QBOX, base station etc.
Summary of the invention
The object of the present invention is to provide a kind of PHS wireless access and data acquisition type base station, except that basic Personal Handyphone System(PHS) communication, also can provide data acquisition and long-range branch control, local wired with wireless user's exchange, digital cord-less (QBOX), local sending short messages in groups and receive functions such as monitoring, the accurate location of mobile phone, for the enterprise wireless user provides programmable, personalized, intelligentized wireless access base station.
For reaching above-mentioned purpose, the invention provides a kind of PHS wireless access and data acquisition type base station based on the AK2495 baseband processing chip, it comprises:
One center baseband processing module, it carries out control and management to whole base station, specifically comprise: device hardware initialization and plate carry software download, the modulation of intermediate frequency QPSK (Quadrature Phase Shift Keying) signal, ADPCM (adaptive differential pulse-code modulation) coding, the conversion of PHS air protocol and ISDN (integrated services digital network) agreement, radio frequency PLL (two phase-locked loop), transmitting-receiving time slot and power control, the processing of local exchange of signaling and business datum, the processing of the forwarded upstream of image data and descending branch control data, the processing of remote network management data, mobile subscriber's registration, authentication, the processing of call flow, cellphone subscriber's paging, roaming, switch, mobile managements such as channel allocation, line synchronization and air interface synchronization are handled, the processing of the accurate positioning flow of mobile phone, the management of many group of base stations control pattern etc.;
One user's Switching Module, it is connected with the center baseband processing module, finishing SLIC (Subscriber Line Interface Circuit) fixed line, the outside line of FXO loop of base station and the business datum between this machine registration cellphone subscriber down and the exchange of call signaling controls, realize digital cord-less (QBOX) function of single base station, and support exchange intelligent network functions such as two phones just one number, alien go home, handset intercommunication, fixed speech short message;
One radio-frequency module, it is connected with the center baseband processing module, finish the conversion of base station baseband intermediate-freuqncy signal and high-frequency signal, the filtering amplification is carried out in up reception and downlink signal, and provide the two phase-locked loop circuit, carry out the Control Allocation of frequency and time slot for the center baseband processing module by the PHS air protocol, realize that TDM/FDM (frequency division multiple access/time division multiple access) communicates by letter; In addition, this module also possesses programmable transmit-receive function;
One base-station interface module, it is connected with the center baseband processing module, and the BRI (2B+D basic rate interface) by ISDN communicates with base station controller; This interface has also designed the line synchronization communication on its M passage except professional B channel, signaling D passage are provided, guarantee that base station synchronization is in base station controller;
One data acquisition and branch control module, it is connected with the center baseband processing module, for the base station provides the local data collection and divides the control port;
This data acquisition comprises with dividing the control module: communication acquisition and control mouthful, some standard industry in-site modelings are gathered and control mouthful, digital I collection and control port that some photoelectricity are isolated; This is gathered and the transmission rate programmable configuration; In addition, notebook data collection and wireless mass-sending remote control that divides the control module also can realize short message mode and the monitoring of local note;
One software signaling processing module, it is based on the air protocol RCR-STD28 standard of PHS, to the wireless access flow process of mobile phone user side as: register and authentication, roaming are switched, caller is called, positioning paging, off-hook on-hook etc. are handled; And based on three layers of signaling of the exchange on isdn link standard Q.931, to the base station controller call flow of grid side, and message such as location, number biography, note, webmaster are handled.
One base station remote power feeding module, for whole base station provides dc supply, and the isdn signal that direct current-96V power supply that the base station controller far-end is provided and collinear coupling transmit carries out separating treatment; This base station remote power feeding module also can be supported local direct current supply work.
PHS wireless access provided by the invention and data acquisition type base station, main effect is exactly to have filled up the product blank that Chinese PHS Communications Market does not have the independent intellectual property right base station for a long time, owing to adopted the up-to-date integrated baseband processing chip of multi-functional height, greatly reduce the cost of PHS base station, for PHS radio communication private network technology has been accepted to lay solid material base by more vast enterprise customer.
Secondly, data acquisition of developing on this base station platform and long-range branch control function can be widely used in the on-the-spot industrial data collection and the control of industrial and mining enterprises, when the service of radio communication private network is provided for enterprise, the cable data monitoring and the transmission product that also can replace traditional industrial field bus formula fully, promptly on ordinary telephone line, just can realize the conllinear transmission of voice, data, power supply, the real net of realizing is many with many net unifications, for enterprise saves a large amount of communication transmission network construction costs, avoided the repeated construction of network.
In addition, the digital cord-less of this base station product (QBOX) is local user's function of exchange, can be emergent on-the-spot interim communication convenient networking means rapidly are provided, base station work promptly means finishing of wireless communication networks with mobile phone power-on, not only can compare, more possess its synchronous long-range outside line communication that does not have and the function of the real-time command scheduling in strange land with intercom; Certainly, such as mobile phone accurately locate, local sending short messages in groups also all is to develop under the demand in intranet user and market with receiving monitoring etc.So the invention effect of this product maximum is exactly to provide programmable, personalized, intelligentized wireless access base station for the enterprise wireless user.
Description of drawings
Fig. 1 is the structural representation of PHS wireless access provided by the invention and data acquisition type base station.
Embodiment
Below in conjunction with Fig. 1, describe a preferred embodiment of the present invention in detail.
As shown in Figure 1, be the structural representation of PHS wireless access provided by the invention and data acquisition type base station, it comprises:
One center baseband processing module 1, it carries out control and management to whole base station, specifically comprise: device hardware initialization and plate carry RF, the FPGA software download, the modulation of intermediate frequency QPSK signal, the ADPCM coding, the conversion of PHS air protocol and ISDN agreement, radio frequency PLL phase-locked loop, transmitting-receiving time slot and power control, the processing of local exchange of signaling and business datum, the processing of the forwarded upstream of image data and descending branch control data, the processing of remote network management data, mobile subscriber's registration, authentication, the processing of call flow, cellphone subscriber's paging, roaming, switch, mobile managements such as channel allocation, line synchronization and air interface synchronization are handled, the processing of the accurate positioning flow of mobile phone, the management of many group of base stations control pattern etc.;
One user's Switching Module 2, it is connected with center baseband processing module 1, finishing 2 road SLIC fixed lines, 1 road FXO loop outside line of base station and the business datum between this machine registration 3 cellphone subscribers down and the exchange of call signaling controls, realize digital cord-less (QBOX) function of single base station, and support exchange intelligent network functions such as two phones just one number, alien go home, handset intercommunication, fixed speech short message;
One radio-frequency module 3, it is connected with center baseband processing module 1, finish the conversion of base station baseband intermediate-freuqncy signal and high-frequency signal, the filtering amplification is carried out in up reception and downlink signal, and provide the two phase-locked loop circuit, carry out the Control Allocation of frequency and time slot for the center baseband processing module by the PHS air protocol, realize that TDM/FDM communicates by letter; In addition, this module also possesses programmable transmit-receive function;
One base-station interface module 4, it is connected with center baseband processing module 1, and the BRI (2B+D basic rate interface) by ISDN communicates with base station controller; This interface has also designed the line synchronization communication on its M passage except professional B channel, signaling D passage are provided, guarantee that base station synchronization is in base station controller;
One data acquisition and branch control module 5, it is connected with center baseband processing module 1, for the base station provides the local data collection and divides the control port;
This data acquisition comprises with dividing control module 5: 1 road RS232/RS485 communication acquisition and control mouthful, 4 road 4-20mA standard industry in-site modelings are gathered and control mouthful, digital I collection and control port that 8 road photoelectricity are isolated; This is gathered and the transmission rate programmable configuration, and maximum rate can reach 100kbps; In addition, notebook data collection and wireless mass-sending remote control that divides control module 5 also can realize short message mode and the monitoring of local note;
One software signaling processing module, it is based on the air protocol RCR-STD28 standard of PHS, to the wireless access flow process of mobile phone user side as: register and authentication, roaming are switched, caller is called, positioning paging, off-hook on-hook etc. are handled; Based on three layers of signaling of the exchange on isdn link standard Q.931, to the base station controller call flow of grid side, and message such as location, number biography, note, webmaster are handled.
One base station remote power feeding module 6, for whole base station provides direct current 5V working power, and the isdn signal of the direct current that the base station controller far-end can be provided-96V power supply and collinear coupling transmission carries out separating treatment; This base station remote power feeding module 6 also can be supported local direct current supply work.
PHS wireless access provided by the invention and data acquisition type base station, main effect is exactly to have filled up the product blank that Chinese PHS Communications Market does not have the independent intellectual property right base station for a long time, owing to adopted the up-to-date integrated baseband processing chip of multi-functional height, greatly reduce the cost of PHS base station, for PHS radio communication private network technology has been accepted to lay solid material base by more vast enterprise customer.
Secondly, data acquisition of developing on this base station platform and long-range branch control function can be widely used in the on-the-spot industrial data collection and the control of industrial and mining enterprises, when the service of radio communication private network is provided for enterprise, the cable data monitoring and the transmission product that also can replace traditional industrial field bus formula fully, promptly on ordinary telephone line, just can realize the conllinear transmission of voice, data, power supply, the real net of realizing is many with many net unifications, for enterprise saves a large amount of communication transmission network construction costs, avoided the repeated construction of network.
In addition, the digital cord-less of this base station product (QBOX) is local user's function of exchange, can be emergent on-the-spot interim communication convenient networking means rapidly are provided, base station work promptly means finishing of wireless communication networks with mobile phone power-on, not only can compare, more possess its synchronous long-range outside line communication that does not have and the function of the real-time command scheduling in strange land with intercom; Certainly, such as mobile phone accurately locate, local sending short messages in groups also all is to develop under the demand in intranet user and market with receiving monitoring etc.So the invention effect of this product maximum is exactly to provide programmable, personalized, intelligentized wireless access base station for the enterprise wireless user.
Claims (10)
1. Personal Handyphone System wireless access and data acquisition type base station based on an AK2495 baseband processing chip is characterized in that, specifically comprise:
One center baseband processing module, it carries out control and management to whole base station;
One user's Switching Module, it is connected with the center baseband processing module, finishes the SLIC fixed line, the outside line of FXO loop of base station and the business datum between this machine registration cellphone subscriber down and the exchange of call signaling and controls, and realizes the digital cord-less function of single base station;
One radio-frequency module, it is connected with the center baseband processing module, finish the conversion of base station baseband intermediate-freuqncy signal and high-frequency signal, the filtering amplification is carried out in up reception and downlink signal, and provide the two phase-locked loop circuit, carry out the Control Allocation of frequency and time slot, realization frequency division multiple access/time division multiple access communication for the center baseband processing module by the Personal Handyphone System air protocol;
One base-station interface module, it is connected with the center baseband processing module, and basic rate interface and base station controller by ISDN communicate;
One data acquisition and branch control module, it is connected with the center baseband processing module, for the base station provides the local data collection and divides the control port;
One software signaling processing module, the wireless access flow process of processing cellphone subscriber side, and the base station controller call flow of treatment system network side.
2. Personal Handyphone System wireless access and data acquisition type base station based on the AK2495 baseband processing chip as claimed in claim 1, it is characterized in that, described base-station interface module is provided with the basic rate interface of 2B+D, and wherein, the B channel is a signalling path for Traffic Channel, D passage are provided.
3. Personal Handyphone System wireless access and data acquisition type base station based on the AK2495 baseband processing chip as claimed in claim 2 is characterized in that, are provided with the line synchronization communication channel on the M passage of the basic rate interface of described base-station interface module.
4. Personal Handyphone System wireless access and data acquisition type base station based on the AK2495 baseband processing chip as claimed in claim 1, it is characterized in that, described data acquisition and branch control module comprise: communication acquisition and control mouth, some standard industry in-site modelings are gathered and control mouth, digital I collection and control port that some photoelectricity are isolated.
5. Personal Handyphone System wireless access and data acquisition type base station based on the AK2495 baseband processing chip as claimed in claim 1, it is characterized in that, described base station also comprises a base station remote power feeding module, the isdn signal separating treatment that DC power supply that the base station controller far-end is provided and collinear coupling transmit is for whole base station provides dc supply.
6. Personal Handyphone System wireless access and data acquisition type base station based on the AK2495 baseband processing chip as claimed in claim 5 is characterized in that described base station remote power feeding module is by local direct current supply work, for whole base station provides dc supply.
7. Personal Handyphone System wireless access and data acquisition type base station based on the AK2495 baseband processing chip as claimed in claim 1, it is characterized in that described software signaling processing module is handled the wireless access flow process of cellphone subscriber's side based on the air protocol RCR-STD28 standard of Personal Handyphone System.
8. Personal Handyphone System wireless access and data acquisition type base station based on the AK2495 baseband processing chip as claimed in claim 7, it is characterized in that the wireless access flow process of cellphone subscriber's side that described software signaling processing module is handled comprises: register and authentication, roaming are switched, caller is called, the flow process of positioning paging, off-hook on-hook.
9. Personal Handyphone System wireless access and data acquisition type base station based on the AK2495 baseband processing chip as claimed in claim 1, it is characterized in that described software signaling processing module is based on three layers of signaling of the exchange on isdn link base station controller call flow of standard treatment system network side Q.931.
10. Personal Handyphone System wireless access and data acquisition type base station based on the AK2495 baseband processing chip as claimed in claim 9, it is characterized in that also Q.931 standard positions described software signaling processing module, number biography, note, webmaster handle based on three layers of signaling of the exchange on the isdn link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101019777A CN101287183B (en) | 2008-03-14 | 2008-03-14 | Base station for wireless access and data collection in personal access phone system |
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| CN2008101019777A CN101287183B (en) | 2008-03-14 | 2008-03-14 | Base station for wireless access and data collection in personal access phone system |
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| CN101287183A CN101287183A (en) | 2008-10-15 |
| CN101287183B true CN101287183B (en) | 2011-02-02 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1688170A (en) * | 2005-05-11 | 2005-10-26 | 西安海天天线科技股份有限公司 | Mobile communication substation based on beam switching type intelligent antenna and beam switching method |
| CN101014173A (en) * | 2006-12-31 | 2007-08-08 | 姜宏伟 | Method and system for transmitting monitoring data of communication base station |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1688170A (en) * | 2005-05-11 | 2005-10-26 | 西安海天天线科技股份有限公司 | Mobile communication substation based on beam switching type intelligent antenna and beam switching method |
| CN101014173A (en) * | 2006-12-31 | 2007-08-08 | 姜宏伟 | Method and system for transmitting monitoring data of communication base station |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2003-111129A 2003.04.11 |
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Effective date of registration: 20081212 Address after: Beijing, Zhichun Road, Haidian District No. 9, Kun hearing building, 601-1, postcode: 100191 Applicant after: Beijing Yulian Communication Technology Co., Ltd. Address before: Zip code 503, 31 Zhongguancun B, Haidian District, Beijing, zip code: 100190 Applicant before: Ginger star Co-applicant before: He Xuzhong Co-applicant before: Zhao Tianshi Co-applicant before: Chen Xuetao |
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Owner name: BEIJING YULIAN XINTONG COMMUNICATION SCIENCE CO., Free format text: FORMER OWNER: JIANG QUNXING Effective date: 20081212 |
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