CN101132217A - Method and apparatus for implementing internal information interaction of repeater station adopting AT instruction - Google Patents
Method and apparatus for implementing internal information interaction of repeater station adopting AT instruction Download PDFInfo
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Abstract
This invention puts forward a method and a device for interacting information in a repeater of the TD-SCDMA system to set up instructive information interaction between communication module and monitor module and transfer network information received by the repeater to the monitor module by instruction, which adjusts and maintains various parts of the repeater based on it and transmits the monitor information to the communication module by short message and then to the network manager to send adjustment and control information to the repeater based on the monitor information so as to realize remote maintenance of repeaters.
Description
Technical field
The present invention relates to internal information mutual method and device in repeater in the wirelessmobile communication system, specially refer to mutual method and the device of Time Division-Synchronous Code Division Multiple Access wirelessmobile communication system (abbreviating the TD-SCDMA system as) repeater internal information.
Background technology
In wirelessmobile communication system, wireless signal is propagated between network and user terminal (abbreviating UE as) by base station (abbreviating Node B as).Yet because the influence of natural conditions, the zone that wireless signal covered all can exist weak signal area or blind area.And to some remote districts and the few blind area of number of users, the cost that sets up the base station is too high, and economic benefit is uneconomical.Therefore, occurred a kind of cost lower and set up simple, and equipment, promptly so-called repeater with small base station basic function.The basic role of repeater in wirelessmobile communication system is that forward direction and reverse signal are amplified again, under the condition that does not increase base station number, has increased the area coverage of network, has reduced the blind area of wireless signal.
Obviously, in the TD-SCDMA system, the basic functions in repeater is to realize signal transmission between base station and the portable terminal, promptly forward direction and reverse signal are amplified again, make portable terminal can receive signal of base station in the larger context, equally, also make the base station can receive the signal of portable terminal in the larger context.Thereby increase the area coverage of network, reduce the blind area of wireless signal.Meanwhile, for guaranteeing the smooth realization of the above-mentioned basic function in repeater, the repeater also must possess following function:
1, receives the Operation and Maintenance information that webmaster sends;
2, receive the TD-SCDMA frame synchronizing signal that the base station down signal produces;
3, the corresponding uplink and downlink control timing in generation and base station;
4, the operate as normal of control uplink and downlink link;
5, the operating state of the peripheral control circuit of monitoring, and the result that will monitor reports webmaster.
In addition, because repeater whether operate as normal has influence on the useful signal coverage of whole base station, in order to guarantee the normal operation of network, network presses for remote operation and maintenance is carried out in numerous repeaters, in time handle the information such as fault alarm of repeater, and adjust the running parameter etc. of repeater as required.Because the repeater of prior art does not possess the ability of remote maintenance, it is safeguarded it can only is the mode that adopts on-site maintenance, inevitably cause the expensive and inefficient of maintenance.
Usually, the internal structure of repeater can be divided into communications portion (being referred to as communication module usually) and monitor portion (being referred to as monitoring module usually) according to function with it.Communication module is mainly finished with the base station and is set up radio communication, receive the Operation and Maintenance information that webmaster sends, in conjunction with the TD-SCDMA frame synchronizing signal that produces according to the base station down signal of receiving, produce and the corresponding uplink and downlink control timing in base station the operate as normal of control uplink and downlink link.Monitoring module is mainly monitored the working condition of repeater, and the result that will monitor reports webmaster.
Mandatory information interaction need not set up because its working condition is simple relatively in the prior art repeater between communication module and monitoring module.If make the operating state intellectuality of repeater, perhaps to realize Long-distance Control and adjustment, just must between the communication module of repeater and monitoring module, set up mandatory information interaction, the network information that the repeater is received passes to monitoring module by instruction, and monitoring module is adjusted each workpiece of repeater according to instruction again and safeguarded; Equally, monitoring module can pass to monitor message communication module and send to webmaster by instruction, webmaster can send to the repeater according to monitor message and adjust and control information, thereby realizes the remote maintenance of repeater, improves the job stability and the intellectuality of repeater.
Summary of the invention
For realizing setting up mandatory information interaction between repeater communication module and the monitoring module, solve the information communication deficiency that the prior art repeater exists, be difficult for realizing the defective of remote monitoring, adjustment and maintenance, the present invention proposes mutual method and the device of a kind of TD-SCDMA system repeater internal information.Adopt repeater of the present invention internal information mutual method and device, can realize setting up between repeater communication module and the monitoring module mandatory information interaction, the network information that the repeater is received passes to monitoring module by instruction, and monitoring module is adjusted each workpiece of repeater according to instruction again and safeguarded; Equally, monitoring module can pass to monitor message communication module and send to webmaster by short message, webmaster can send to the repeater according to monitor message and adjust and control information, thereby realizes the remote maintenance of repeater, improves the job stability and the intellectuality of repeater.
Repeater of the present invention internal information exchange method adopts the AT instruction as the communication modes between repeater communication module and the monitoring module, in communication module and monitoring module it is carried out encapsulation operation.
Repeater of the present invention internal information exchange method adopts the AT instruction as the communication modes between repeater communication module and the monitoring module, comprise: define an AT order, carry out corresponding setting, inquiry or change operation by disposing different parameters, concrete form is:
AT^RPTFD＝<value1>，<value2>，<value3>，<value4>
1. value1=1, value2=0, the expression repeater enters test pattern (using signal source to test) order and need carry out before starting protocol stack;
2. value1=2, value2=0, the expression repeater does not report received signal code power (abbreviating RSCP as) and path loss (abbreviating passloss as);
3. value1=2, value2=1, the expression repeater reports RSCP and passloss;
4. value1=3, value2=0, active inquiry value of frequency point;
5. value1=3, value2=1, value3=Frequency are for being provided with value of frequency point, and wherein Frequency is for setting value of frequency point, and its form is an integer;
6. value1=3, value2=2, value3=Frequency, value=CellId, wherein Frequency is for setting value of frequency point, and CellId is for setting the sub-district, this command functions is while locked frequency point and lock sub-district, and wherein Frequency and CellId form are integer; In addition, the span of value of frequency point is 10054-10121, and the sub-district computational methods are CellId=SYNC*4+Midamble, and span is 0-254, and the instruction of lock sub-district needs to send before the initializtion protocol stack;
7. value1=3, value2=3, value3=SetTimer, SetTimer represent TDM210 detect lose synchronously after, synchronous enabled signal continue the to remain valid time span of (high level), its unit be second, form is shaping, span is 5-60 second, if do not use this instruction, gives tacit consent to synchronous enabled signal and keeps 30 seconds;
8. value1=3, value2=4, value3=SetLevel, SetLevel represent set TDM210 module grade point, default value is 10, as 10-116=-106dBm.Its form is shaping, and span is 0-91;
For the response of AT instruction, defer to following form:
＜CR〉＜LF〉original AT command content＜CR〉＜LF〉＜CR〉＜LF〉AT command content response＜CR〉＜LF 〉
As operate success, then return
AT^RPTFD＝<value1>，<value2>OK
As operation failure, then return
AT^RPTFD＝<value1>，<value2>ERROR。
Repeater of the present invention internal information exchange method will be encapsulated in the serial ports frame format as the AT instruction of the communication modes between repeater communication module and the monitoring module, the AT order that needs to send is encoded according to the serial ports frame format, the order of receiving is also decoded by this frame format, parse its initial data.
Repeater of the present invention internal information interactive device comprises: be packaged with the communication module and the monitoring module of AT instruction, and the communication serial port between communication module and the monitoring module.
Data, the instruction of repeater of the present invention internal information interactive device between communication module and monitoring module transmitted to be connected by serial ports and is achieved, the type of serial ports frame comprises: be used for monitoring module and send the serial ports (abbreviating AT COMMAND as) of instruction to communication module, be used for the serial ports (abbreviating CS/PS DATA as) that circuit domain/block domain data sends and be used for the fail serial ports (abbreviating ERROR REPORT as) of error reporting of serial ports FCS (Frame Check Sequence frame check sequence) verification.
The monitoring module of repeater of the present invention internal information interactive device can be according to different demand initialize communications modules (as test pattern, under the situation that does not have the TD-SCDMA network support, using signal source to send under the situation of random number, the repeater communication module can realize normal synchronized, accurately export synchronous enabled and synchronizing signal, thereby under the signal source environment, also can the test monitoring module whether can normal switch uplink and downlink link), network terminal also can send corresponding order, and the network state of repeater is inquired about and is provided with.
Accompanying drawing is done bright:
The schematic diagram of communication data frame format between accompanying drawing 1 embodiment of the invention repeater communication module and the monitoring module.
Below in conjunction with specific embodiment the inventive method and device are further described.
Repeater of the present invention communication module is connected serial ports with monitoring module and is connected, and the serial ports frame type is AT COMMAND (AT order) (be used for monitoring module and send instruction to communication module), CS/PS DATA (electricity Road territory/block domain data) (business that is used for the transmission of CS/PS data), ERROR REPORT (false alarm Accuse) (being used for serial ports FCS verification failure), the serial ports frame format encapsulation that the The data of sending and receiving is unified. For the data that the monitoring repeater module sends to communication module, after communication module receives and decodes, will The AT order or the data that parse send to network-side. Communication module receives the AT order that network is brought in Or after the data, with it according to the coded format among embodiment coding and send to monitoring module, monitoring module solution Separate out its data and operate accordingly. Realize thus both information interactions.
According to the demand of the work of TD-SCDMA repeater and test, need monitoring module initializing or making In process, can arrange, inquire about or change some parameters. Therefore, among the present invention self-defined one Bar AT order is carried out corresponding setting, inquiry or change operation by disposing different parameters. Can carry out Inquire-receive signal code power (referred to as RSCP), frequency locking point, lock residential quarter and the function such as threshold level is set. Therefore, monitoring module can be according to different demand initialize communications modules (such as test pattern), and network-side also Can send corresponding order, the network state of repeater is inquired about and arranged.
Test pattern is used for (not having real TD-SCDMA network environment) under the environment such as laboratory, utilizes The test of TD-SCDMA signal source provides synchronizing signal and data to pass by TD-SCDMA terminal wireless module Function and the performance indications of defeated repeater product. Test pattern can be tested " TD-SCDMA repeater skill Art requires and method of testing (declaration original text v4) _ 2007_3_15 " require " wireless index " and the 7th of the 6th chapter " the repeater power amplifier switch synchronization control function " of chapter.
According in the communicating by letter of communication module provided by the invention and monitoring module, described RS232 standard string The Transmission bit rate of mouth mode is 115200,8 bit data positions, no parity check position, 1 position of rest. Described logical The communication protocol data newspaper form that letter module and monitoring module adopt comprises frame head sign, 1 byte of 1 byte Frame head is follow-up, the frame check of the frame type sign of the number of frames of 2 bytes, 1 byte, data segment, 2 bytes The postamble sign of sequence (referred to as FCS) verification and 1 byte.
Serial communication between monitoring module provided by the invention and the communication module comprises: communication link is carried out following operating procedure after setting up:
A, local terminal send Frame to the opposite end.
If the B local terminal receives that the opposite end beams back really acknowledgement frame, go to steps A; If correct frame is not received in the opposite end,
Then can beam back to local terminal the frame number of erroneous frame.
Specific embodiment:
The schematic diagram of communication data frame format between accompanying drawing 1 embodiment of the invention repeater communication module and the monitoring module.As seen from the figure, the type of each segment data and being designated:
1, frame head sign (1Byte): with " 7E " byte representation;
2, frame head follow-up (1Byte): with " FF " byte representation;
3, number of frames (2Byte): progressively increase one by one since the 1st frame;
4, frame type sign (1Byte): be used to represent to send the type of data, wherein:
The AT command frame: frame type is designated " 0x01 ";
CS Data frame: frame type is designated " 0x02 ";
PS Data frame: frame type is designated " 0x03 ";
Error Report frame: frame type is designated " 0x04 ";
5, initial data: send the original contents of data, no more than 391 bytes of AT command length;
6, FCS verification (Frame Check Sequence) is (2Byte): the FCS check value, and method of calibration is referring to " RFC1549 ";
7, postamble sign (1Byte): with " 7E " byte representation.
When encapsulating the serial data frame,, then add a byte 0X7D again before behind it and the 0X20 XOR if (do not comprise frame head, postamble) in the transmit frame data and have the data identical (being 0X7E) with frame head; If (do not comprise the 7D that frame head, postamble, interpolation produce) in the transmit frame data 7D arranged then add a byte 0X7D again before behind it and the 0X20 XOR equally; If (do not comprise frame head, postamble) in the transmit frame data data between 0X00 and the 0X1F are not arranged, then add a byte 0X7D again before behind they and the 0X20 XOR; For example 0X7E becomes 0X7D 0X5E, and 0X7D becomes 0X7D 0X5D, and 0X10 becomes 0X7D 0X30.In the frame data that receive (not comprising frame head, postamble) then lose the 7D byte, then back one byte and 0X20 XOR, as 7D 5E change 7E, 7D 5D becomes 7D.
Calculate the value of FCS when sending data earlier, do the replacement of data between 0X7E, 0X7D, 0X00 and the 0X1F again, 0X7E, 0X7E that reduction is earlier replaced when receiving data and the data between 0X00 and the 0X1F are done the verification of FCS value again.
If verification FCS makes mistakes, then send ERROR REPORT frame, the same Fig. 3 of frame format, just initial data is fixed as the erroneous frame sequence number that receives.
In order to satisfy setting, inquiry or the change to some parameter of communication module of monitoring module and network terminal, self-defined AT order can be satisfied this demand by different parameters is set among the present invention.
Newly-increased AT command format is:
AT^RPTFD＝<value1>，<value2>，<value3>，<value4>
1. value1=1, value2=0, the expression repeater enters test pattern (using signal source to test) order and need carry out before starting protocol stack.
2. value1=2, value2=0, the expression repeater does not report RSCP and passloss (path loss).
3. value1=2, value2=1, the expression repeater reports RSCP and passloss.
4. value1=3, value2=0, active inquiry value of frequency point.
5. value1=3, value2=1, value3=Frequency is for being provided with value of frequency point.Wherein Frequency is for setting value of frequency point, and its form is an integer.
6. value1=3, value2=2, value3=Frequency, value=CellId, wherein Frequency is for setting value of frequency point, and CellId is for setting the sub-district, and this command functions is locked frequency point and lock sub-district simultaneously.Wherein Frequency and CellId form are integer.
Wherein the span of value of frequency point is 10054-10121, and the sub-district computational methods are CellId=SYNC*4+Midamble, and span is 0-254.The instruction of lock sub-district needs to send before the initializtion protocol stack.
7. value1=3, value2=3, value3=SetTimer, SetTimer represent TDM210 detect lose synchronously after, synchronous enabled signal continue the to remain valid time span of (high level).Its unit is second, and form is shaping, and span is 5-60 second.If do not use this instruction, give tacit consent to synchronous enabled signal and kept 30 seconds.
8. value1=3, value2=4, value3=SetLevel, SetLevel represent set TDM210 module grade point, default value is 10, as 10-116=-106dBm.Its form is shaping, and span is 0-91.
For the response of AT instruction, defer to following form:
＜CR〉＜LF〉original AT command content＜CR〉＜LF〉＜CR〉＜LF〉AT command content response＜CR〉＜LF 〉
As operate success, then return
AT^RPTFD＝<value1>，<value2>OK
As operation failure, then return
AT^RPTFD＝<value1>，<value2>ERROR。
Claims (6)
1. a repeater internal information exchange method is characterized in that: adopt the AT instruction as the communication modes between repeater communication module and the monitoring module, in communication module and monitoring module it is carried out encapsulation operation.
2. according to the described repeater of claim 1 internal information exchange method, it is characterized in that: adopt the AT instruction as the communication modes between repeater communication module and the monitoring module, comprise: define an AT order, carry out corresponding setting, inquiry or change operation by disposing different parameters, concrete form is:
AT^RPTFD＝<value1>，<value2>，<value3>，<value4>
1. value1=1, value2=0, the expression repeater enters test pattern (using signal source to test) order and need carry out before starting protocol stack;
2. value1=2, value2=0, the expression repeater does not report RSCP (received signal code power) and path loss (abbreviating passloss as);
3. value1=2, value2=1, the expression repeater reports RSCP and passloss;
4. value1=3, value2=0, active inquiry value of frequency point;
5. value1=3, value2=1, value3=Frequency are for being provided with value of frequency point, and wherein Frequency is for setting value of frequency point, and its form is an integer;
6. value1=3, value2=2, value3=Frequency, value=CellId, wherein Frequency is for setting value of frequency point, and CellId is for setting the sub-district, this command functions is while locked frequency point and lock sub-district, and wherein Frequency and CellId form are integer; In addition, the span of value of frequency point is 10054-10121, and the sub-district computational methods are CellId=SYNC*4+Midamble, and span is 0-254, and the instruction of lock sub-district needs to send before the initializtion protocol stack;
7. value1=3, value2=3, value3=SetTimer, SetTimer represent TDM210 detect lose synchronously after, synchronous enabled signal continue the to remain valid time span of (high level), its unit be second, form is shaping, span is 5-60 second, if do not use this instruction, gives tacit consent to synchronous enabled signal and keeps 30 seconds;
8. value1=3, value2=4, value3=SetLevel, SetLevel represent set TDM210 module grade point, default value is 10, as 10-116=-106dBm.Its form is shaping, and span is 0-91;
For the response of AT instruction, defer to following form:
＜CR〉＜LF〉original AT command content＜CR〉＜LF〉＜CR〉＜LF〉AT command content response＜CR〉＜LF 〉
As operate success, then return
AT^RPTFD＝<value1>，<value2>OK
As operation failure, then return
AT^RPTFD＝<value1>，<value2>ERROR。
3. according to the described repeater of claim 1 internal information exchange method, it is characterized in that: will be encapsulated in the serial ports frame format as the AT instruction of the communication modes between repeater communication module and the monitoring module, the AT order that needs to send is encoded according to the serial ports frame format, the order of receiving is also decoded by this frame format, parse its initial data.
4. repeater internal information interactive device is characterized in that: comprising: be packaged with the communication module and the monitoring module of AT instruction, and the communication serial port between communication module and the monitoring module.
5. according to the described repeater of claim 4 internal information interactive device, it is characterized in that: the data between communication module and monitoring module, instruction are transmitted to be connected by serial ports and are achieved, the type of serial ports frame comprises: be used for monitoring module and send the serial ports (abbreviating AT COMMAND as) of instruction to communication module, be used for the serial ports (abbreviating CS/PS DATA as) that circuit domain/block domain data sends and be used for the fail serial ports (abbreviating ERROR REPORT as) of error reporting of serial ports FCS (Frame CheckSequence frame check sequence) verification.
6. according to the described repeater of claim 4 internal information interactive device, it is characterized in that: monitoring module can be according to different demand initialize communications modules (as test pattern, under the situation that does not have the TD-SCDMA network support, using signal source to send under the situation of random number, the repeater communication module can realize normal synchronized, accurately export synchronous enabled and synchronizing signal, thereby under the signal source environment, also can the test monitoring module whether can normal switch on, down link), network terminal also can send corresponding order, and the network state of repeater is inquired about and is provided with.
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| CN102244686A (en) * | 2011-06-24 | 2011-11-16 | 中国人民解放军国防科学技术大学 | Method for realizing virtual network interface based on master-slave heterogeneous data transmission module |
| CN101370229B (en) * | 2008-09-12 | 2012-11-14 | 中国移动通信集团江苏有限公司 | Method for frequency point self-correction of GSM repeater |
| CN102984778A (en) * | 2012-11-26 | 2013-03-20 | 深圳市广和通实业发展有限公司 | Mobile terminal used method and device for fixing channels |
| CN104159272A (en) * | 2014-08-15 | 2014-11-19 | 福建升腾资讯有限公司 | CDMA (Code Division Multiple Access) cell locking method and system |
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| JP2003018073A (en) * | 2001-06-29 | 2003-01-17 | Ntt Docomo Inc | Operation control method for mobile base station in mobile communication system, and the mobile base station |
| CN100459749C (en) * | 2005-03-16 | 2009-02-04 | 深圳国人通信有限公司 | Broadband adjustable directly playing station |
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| CN101370229B (en) * | 2008-09-12 | 2012-11-14 | 中国移动通信集团江苏有限公司 | Method for frequency point self-correction of GSM repeater |
| CN102244686A (en) * | 2011-06-24 | 2011-11-16 | 中国人民解放军国防科学技术大学 | Method for realizing virtual network interface based on master-slave heterogeneous data transmission module |
| CN102984778A (en) * | 2012-11-26 | 2013-03-20 | 深圳市广和通实业发展有限公司 | Mobile terminal used method and device for fixing channels |
| CN102984778B (en) * | 2012-11-26 | 2016-05-11 | 深圳市广和通无线股份有限公司 | A kind of fixing method and device of channel that mobile terminal is used |
| CN104159272A (en) * | 2014-08-15 | 2014-11-19 | 福建升腾资讯有限公司 | CDMA (Code Division Multiple Access) cell locking method and system |
| CN105992329A (en) * | 2015-02-27 | 2016-10-05 | 展讯通信（上海）有限公司 | Signal amplification device and control method thereof, and method for identification of signal amplification device |
| CN105992329B (en) * | 2015-02-27 | 2019-09-06 | 展讯通信（上海）有限公司 | The method of signal amplifying apparatus and its control method, identification signal amplifying device |
| CN106162815A (en) * | 2015-03-30 | 2016-11-23 | 展讯通信（上海）有限公司 | Wireless cellular network and communication means thereof |
| CN106162814A (en) * | 2015-03-30 | 2016-11-23 | 展讯通信（上海）有限公司 | Wireless cellular network and communication means thereof |
| CN106162815B (en) * | 2015-03-30 | 2019-07-12 | 展讯通信（上海）有限公司 | Wireless cellular network and its communication means |
| CN106162814B (en) * | 2015-03-30 | 2019-07-19 | 展讯通信（上海）有限公司 | Wireless cellular network and its communication means |
| CN111737182A (en) * | 2020-06-29 | 2020-10-02 | 山东管理学院 | Automatic configuration method and system for serial communication parameters |
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| CN101132217B (en) | 2013-03-20 |
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