JP2002314622A - Device for collecting digital modulation and demodulation system data and baseband processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a digital modulation and demodulation system data collecting device and a baseband processor capable of collecting baseband processing data and performing transmission and reception radio performance evaluation in a field test mode of a digital modulation and demodulation system while mounted on a vehicle. SOLUTION: Data collection processed by a baseband processing part is carried out in real time and transmission and reception radio performance evaluation can be immediately performed in the field test mode of the digital modulation and demodulation system 100 mounted on the vehicle by providing an input-output interface part 105 with respect to a data collecting device 107 in a baseband processor 104 of the digital modulation and demodulation system 100.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a digital modulation / demodulation type data collection device and a baseband processing device for collecting, displaying and analyzing processing data of a digital modulation / demodulation system.

[0002]

2. Description of the Related Art Conventionally, as a digital modulation / demodulation type data collection device and a baseband processing device of this kind, FIG.
There was something like that shown. The digital modulation / demodulation type data collection device and baseband processing device shown in FIG.
A digital modulation / demodulation system 500, a transmission / reception end 501 of the digital modulation / demodulation system 500, and a high-frequency processing unit 502 for quadrature detection of a high-frequency reception signal and quadrature modulation of a transmission signal.
And an analog / digital converter 503 for converting a received analog IQ signal generated by the high frequency processing unit into a digital signal and converting a transmission digital signal into an analog IQ signal.
And a baseband processing unit 504 that processes each IQ signal
And a CPU processing unit 505 for controlling the entire digital modulation / demodulation system. Then, the setting contents instructed by the CPU processing unit 505 and the baseband processing unit 5
The result processed in step 04 is output using a serial communication unit mounted in the CPU processing unit 505, the data is stored in the memory 507 of the data collection device 506, and displayed on the display unit 508.

[0003]

However, in the conventional digital modulation / demodulation type data collection device and baseband processing device, the digital modulation / demodulation system, which is the main purpose of the data collection device, is used in a field test in a state where the digital modulation / demodulation system is mounted on a vehicle. When evaluating the transmission / reception wireless performance of the digital modulation / demodulation system, only the data items stored in the memory in the CPU processing unit can be collected, and the processing contents in the baseband processing unit cannot be collected. there were. In addition, since the communication means for the data collection device uses serial communication means, which is a low-speed data communication method, mounted on the CPU processing unit, the data lacks real-time properties.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. It is possible to collect baseband processing data. It is an object of the present invention to provide a digital modulation / demodulation type data collection device and a baseband processing device which can be performed in a mounted state.

[0005]

According to the present invention, there is provided a digital modulation / demodulation type data acquisition apparatus and a baseband processing apparatus according to the present invention, wherein the digital modulation / demodulation data collection apparatus and the baseband processing apparatus include interface means for inputting / outputting data to / from a baseband processing apparatus in a digital modulation / demodulation system for transmitting / receiving high frequency signals. It has a configuration in which a data analysis unit that inputs processing data processed by the baseband processing apparatus via the interface unit, analyzes the signal state of the input data, and converts the data state so as to be displayed. With this configuration, the baseband data processed by the baseband processing device can be input in real time, the signal state of the input data can be analyzed, converted, and displayed.

The digital modulation / demodulation system data collection device and the baseband processing device according to the present invention are equipped with a GPS self-position measurement system for outputting position information, and process data input from the baseband processing device via the interface means. On the other hand, it has a configuration in which the data analysis unit adds position information from the GPS self-position measurement system. With this configuration, by mounting the GPS self-position measurement system in the digital modulation / demodulation type data collection device, position information can be added to the input baseband processing data.

According to the present invention, there is provided a digital modulation / demodulation type data collection device and a baseband processing device, in a digital modulation / demodulation system for transmitting / receiving a high frequency signal, an interface for inputting / outputting processing data to / from the digital modulation / demodulation type data collection device according to claim 1. With means,
A timing pulse is generated by the interface means, and processing data is output in synchronization with the timing pulse. With this configuration, by having an interface to the digital modulation / demodulation type data collection device, it is possible to arbitrarily output a data output and data capture timing pulse signal, and to trigger data output to the digital modulation / demodulation type data collection device.

In the data acquisition apparatus and the baseband processing apparatus according to the present invention, the data analyzer activates an address counter in response to a timing pulse output from the interface means, and generates an address signal in a memory. An output signal is output to the interface means in synchronization with a read output pulse. With this configuration,
By triggering the address counter at a fixed timing by the trigger of the timing pulse output from the baseband processing device, the data counter can be synchronized with the data bus and data can be arbitrarily fetched.

[0009] In the digital modulation / demodulation system data collection apparatus and the baseband processing apparatus according to the present invention, the data analysis section transmits the data set by the baseband processing apparatus and the data set by the upper layer processing section from the interface means. It has a configuration in which the signal state of the input data is analyzed, converted, displayed, stored, and displayed again. With this configuration, the setting data of the baseband processing device and the data set by the upper layer processing unit are input from the interface unit of the baseband processing device, and the operation state of the DSP processing unit in the baseband processing device is determined by the input data. In addition to being able to monitor, the captured data can be stored and redisplayed.

The data acquisition device and the baseband processing device of the digital modulation / demodulation system according to the present invention are provided with interface means for outputting IQ data after synchronous detection to the baseband processing device in the wideband code division multiple access system. And a data analysis unit for analyzing and displaying the signal state of the IQ data after the synchronous detection input and storing the converted IQ data, storing the converted IQ data, and displaying the converted IQ data again. With this configuration, IQ data after synchronous detection is input from the interface unit of the baseband processing device of the wideband code division multiple access system, and the operation state of the finger unit in the baseband processing device is monitored based on the input IQ data. In addition, the captured data can be accumulated and displayed again.

The data acquisition device and the baseband processing device of the present invention have interface means for outputting delay profile data to the baseband processing device in the wideband code division multiple access system, and input the data via the interface means. The signal state of the delay profile data is analyzed and converted so as to be displayed, and the data state is stored and redisplayed. With this configuration, it is possible to input delay profile data from the interface unit of the baseband processing device of the wideband code division multiple access system, and monitor the operation state of the synchronization unit in the baseband processing device based on the input delay profile data. At the same time, the captured data can be accumulated and displayed again.

The data acquisition apparatus and the baseband processing apparatus of the present invention have interface means for outputting reception level measurement data to a baseband processing apparatus in a wideband code division multiple access system, and input data via the interface means. It is configured to include a data analysis unit that converts the signal state of the received reception level measurement data to be displayed for analysis, stores the data, and redisplays the data. With this configuration, the reception level measurement data is input from the interface unit of the baseband processing device of the wideband code division multiple access system, and the operation state of the DSP processing unit in the baseband processing device is monitored based on the received reception level measurement data. In addition, the captured data can be accumulated and displayed again.

The data acquisition apparatus and the baseband processing apparatus of the present invention have interface means for outputting transmission level setting data to the baseband processing apparatus in the wideband code division multiple access system, and input data via the interface means. It has a configuration that includes a data analysis unit that analyzes and converts the signal state of the transmitted transmission level setting data to display, accumulates, and redisplays. With this configuration, it is possible to input transmission level setting data from the interface unit of the baseband processing device of the wideband code division multiple access system and monitor the operation state of the transmission unit in the baseband processing device based on the input transmission level setting data. In addition, the captured data can be stored and displayed again.

The digital modulation / demodulation type data collection device and the baseband processing device according to the present invention are provided with interface means for outputting the decoded data received and the CRC result data for each effective traffic block to the baseband processing device in the wideband code division multiple access system. And a data analyzer for analyzing and displaying the signal state of the received decoded data and the CRC result data for each effective traffic block input through the interface means, storing the data, and storing and redisplaying the data. are doing. With this configuration, the received decoded data and CRC result data for each effective traffic block are input from the interface unit of the baseband processing device of the wideband code division multiple access system, and the baseband processing is performed based on the received reception decoded data and CRC result data. In addition to being able to monitor the operation status of the DSP processing unit in the device,
Can be redisplayed.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, first to fourth embodiments of the present invention will be described in detail with reference to the accompanying drawings. (First Embodiment) First, with reference to FIG. 1, the configuration of a digital modulation / demodulation system data collection device and a baseband processing device according to a first embodiment of the present invention will be described. The digital modulation / demodulation system data collection device and the baseband processing device shown in FIG. 1 include a digital modulation / demodulation system 100, a transmitting / receiving end 101, and a high-frequency processing unit 10
2, an analog / digital conversion unit 103, a baseband processing unit (baseband processing device) 104, an input / output interface unit 105, a CPU processing unit 106, a data collection device 107, a data analysis unit 108, a memory 109, a selector unit 110, and a display unit 111.

Next, the operation of the digital modulation / demodulation type data collection device and the baseband processing device according to the first embodiment of the present invention will be described with reference to FIG.
In FIG. 1, when a signal is received at a transmitting / receiving end 101 of a digital modulation / demodulation system 100, the received high-frequency signal is detected by a high-frequency processing unit 102, converted into a digital signal by an analog / digital conversion unit 103, and converted into a baseband processing unit 104. In, the digital IQ signal converted by the analog / digital conversion unit 103 is processed, and the processed digital IQ data is transferred to the data collection device 107 by the input / output interface unit 105. The operation of the baseband processing unit 104 is controlled by the CPU processing unit 106.

The data analyzer 10 of the data collection device 107
8 receives data from the input / output interface unit 105 of the baseband processing unit 104, analyzes the input data, converts it into a displayable data, writes it into the memory 109, and outputs the timing pulse ( In response to a trigger described later, the address counter is run at a fixed timing to output an address signal and synchronize with the data bus to input and output data. The selector unit 110 switches between displaying the input data on the display unit 111 and redisplaying the data stored in the memory 109, and the input / output interface unit 105 switches the data set in the upper layer processing unit and the baseband processing. The setting data of the unit 104 to the data collection device 1
07 to the data analysis unit 108.

As described above, the input / output interface unit 105 for the data collection unit 107 is provided in the baseband processing unit 104 of the digital modulation / demodulation system data collection unit and the baseband processing unit in the present embodiment.
Is provided, the data collection in the baseband processing unit 104 can be performed. In the field test of the digital modulation / demodulation system, the transmission / reception radio performance can be evaluated while the digital modulation / demodulation system is mounted on a vehicle. The data of the baseband processing unit 104 can be collected in real time via the interface unit 105.

(Second Embodiment) Next, with reference to FIG. 2, the configurations of a digital modulation / demodulation type data acquisition device and a baseband processing device according to a second embodiment of the present invention will be described. In the digital modulation / demodulation type data collection device and baseband processing device shown in FIG.
Only the baseband processing unit 104 including the reference numeral 05 is shown in the figure, and the description of other components is omitted. The data collection device 107 has a GPS (Glob) for the configuration shown in FIG.
al Positioning System) A transmitting / receiving end 200 and a GPS control unit 201 are added, and the other components are the same as those shown in FIG.

Next, with reference to FIG. 2, the operation of the digital modulation / demodulation system data collection device and the baseband processing device according to the second embodiment of the present invention will be described.
The digital modulation / demodulation system data collection device and baseband processing device in the present embodiment are provided with a GPS control unit in data collection device 107 for data output from input / output interface unit 105 of baseband processing unit 104 of digital modulation / demodulation system 100. The position information from 201 is added.

To explain in more detail, FIG.
The baseband processing unit 104 of the digital modulation / demodulation system 100 transfers the data processed by the baseband processing unit 104 to the data collection device 107 via the input / output interface unit 105. The data analysis unit 108 of the data collection device 107 analyzes data output from the input / output interface unit 105 of the baseband processing unit 104,
Processing is performed so as to write to the memory 109. Selector section 11
Reference numeral 0 denotes switching means for switching between displaying the input data on the display unit 111 and redisplaying the data stored in the memory 109. The GPS transmitting / receiving end 200 provided in the data collection device 107 receives GPS data, and the GPS control unit 201 processes the received GPS data and outputs position information.

As described above, the GPS transmitter / receiver 200 and the GPS controller 201 are provided in the data acquisition device 107 of the digital modulation / demodulation system and the baseband processor according to the present embodiment. Is output to the data analysis unit 108, and the data analysis unit 108 adds the position information data to the input data, so that the transmission / reception wireless performance evaluation items during the field test of the digital modulation / demodulation system 100 mounted on the vehicle Can be added to the location information.

(Third Embodiment) Next, referring to FIG. 3 and FIG. 4, an input / output interface unit of a digital modulation / demodulation system data collecting apparatus and a baseband processing apparatus according to a third embodiment of the present invention. Data transmission processing from 105 to the data analysis unit 108 of the data collection device 107 will be described.

The input / output interface unit 105 for transferring the data processed by the baseband processing unit 104 to the data collection unit 107 is shown in FIG.
And the data of the data collection device 107
Inputs and analyzes data output from the input / output interface unit 105 of the baseband processing unit 104.

Each signal shown in FIG. 4 is generated by clock 300 transferred from input / output interface unit 105, timing pulse 301, output data 302 from input / output interface unit 105, and timing pulse 301 in data analysis unit 108. An address signal 303 generated by triggering, and input data 304 specified by the address signal 303 and read from the memory by the data analysis unit 108 and input to the baseband processing unit 104.

As described above, the data transmission from the baseband processing section 104 to the data collection apparatus 107 of the digital modulation / demodulation data collection apparatus and the baseband processing apparatus in this embodiment is performed by the input / output interface section 105 and the data collection apparatus. 107, a timing pulse 301, and output data 3
02, the data acquisition from the data analysis unit 107 of the data collection apparatus 107 to the baseband processing unit 104 is performed by inputting the input data 304 read from the memory by the address signal 303 generated by the trigger of the timing pulse 301. It is performed by

(Fourth Embodiment) Next, with reference to FIG. 5, an example of data display by a digital modulation / demodulation type data collection apparatus and a baseband processing apparatus according to a fourth embodiment of the present invention will be described. FIG. 5 shows a fourth embodiment of the present invention.
-CDM to which digital modulation / demodulation type data collection device and baseband processing device according to embodiment of the present invention are applied
FIG. 4 shows an example of delay profile data and data display of IQ signals after synchronous detection in an A (Wide Band Code Division Multiple Access) system. FIG.

The display example shown in FIG. 5 shows a waveform 400 of IQ Lissajous data after synchronous detection and a delay profile graph 401 showing delay profile data on a time axis. The digital modulation / demodulation scheme data collection apparatus and baseband processing apparatus according to the present embodiment are provided with an input / output interface section 105 for data collection apparatus 107 in baseband processing section 104, so that processing of baseband processing section 104 can be performed in real time. Data can be collected, analyzed, and displayed, and the transmission / reception wireless performance can be immediately evaluated during a field test of the digital modulation / demodulation system 100 mounted on the vehicle.

That is, the W-CD according to the present embodiment
The data collection device of the MA system inputs delay profile data or IQ data after synchronous detection via the interface unit of the baseband processing unit, analyzes and converts the signal state of the input data, and converts the input data into a synchronous state in the baseband processing unit. In addition to monitoring the operation state of the unit and the finger unit, the acquired delay profile data or IQ data after synchronous detection can be accumulated and displayed again.

Also, the W-CDMA according to the present embodiment
The data collection device of the system inputs the reception level measurement data, the transmission level setting data or the received decoded data and the CRC result data for each effective traffic block via the interface unit of the baseband processing unit, and The operation state of the DSP processing unit or the transmitting unit can be monitored.

[0031]

According to the present invention, the data acquisition device and the baseband processing device of the digital modulation / demodulation system according to the present invention are constructed as described above, and in particular, the input / output interface section between the data acquisition device and the baseband processing device is provided. As a result, the processing data can be collected in the baseband processing device in real time, and the transmission / reception wireless performance can be immediately evaluated especially during the field test of the digital modulation / demodulation system mounted on the vehicle.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of a digital modulation / demodulation system data collection device and a baseband processing device according to a first embodiment of the present invention;

FIG. 2 is a diagram showing a configuration of a baseband processing device and a data collection device of a digital modulation / demodulation system data collection device and a baseband processing device according to a second embodiment of the present invention;

FIG. 3 is a diagram showing a configuration of an input / output interface unit of a digital modulation / demodulation system data collection device and a baseband processing device according to a third embodiment of the present invention;

FIG. 4 is a diagram showing input / output interface timings in a digital modulation / demodulation system data collection device and a baseband processing device according to a third embodiment of the present invention;

FIG. 5 is a diagram showing an example of data transfer and display in a digital modulation / demodulation system data collection device and a baseband processing device according to a fourth embodiment of the present invention;

FIG. 6 is a diagram showing a configuration of a conventional digital modulation / demodulation data acquisition device and a baseband processing device.

[Explanation of symbols]

 100, 500 Digital modulation / demodulation system 101, 501 Transmission / reception end 102, 502 High frequency processing unit 103, 503 Analog / digital conversion unit 104 Baseband processing unit (baseband processing unit) 105 Input / output interface unit 106, 505 CPU processing unit 107, 506 Data collection device 108 Data analysis unit 109, 507 Memory 110 Select unit 111, 508 Display unit 200 GPS transmitting / receiving terminal 201 GPS control unit 300 Clock 301 Timing pulse 302 Output data 303 Address signal 304 Data input 400 IQ detection after synchronization detection 401 Lissajous data Profile graph 504 Baseband processing unit

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) H04L 27/18 H04J 13/00 A F term (reference) 5K004 AA01 AA05 AA08 BA02 FD01 JD01 5K022 EE01 5K042 AA05 AA06 BA08 CA13 EA03 EA14 FA15 HA01 LA14

Claims (10)

[Claims] An interface means for inputting / outputting data to / from a baseband processing device in a digital modulation / demodulation system for transmitting / receiving a high-frequency signal, wherein processing data processed by the baseband processing device is input via the interface means, A digital modulation / demodulation type data collection device, comprising: a data analysis unit that analyzes a signal state of input data and converts the data to be displayed. 2. A GPS self-position measuring system for outputting position information, wherein processing data input from the baseband processing device via the interface means is processed by the data analysis unit to receive data from the GPS self-position measuring system. 2. The digital modulation / demodulation type data collection device according to claim 1, wherein position information is added. 3. A digital modulation / demodulation system for transmitting / receiving a high-frequency signal, comprising: interface means for inputting / outputting processing data to / from the digital modulation / demodulation type data collection apparatus according to claim 1, wherein said interface means generates a timing pulse. A baseband processing device for outputting processing data in synchronization with a timing pulse. 4. The data analyzer, wherein an address counter is started by a trigger of a timing pulse output from the interface means, an address signal is generated in a memory, an output signal is read out, and the output signal is read out and synchronized with the output pulse. 3. The digital modulating / demodulating system data collecting apparatus according to claim 1, wherein the data is outputted. 5. The data analysis unit inputs data set by the baseband processing device and data set by an upper layer processing unit from the interface unit, and analyzes and converts the signal state of the input data. 3. A digital modulation / demodulation system data collection apparatus according to claim 1, wherein the data is displayed, stored and redisplayed. 6. A baseband processing device in a wideband code division multiple access system, comprising interface means for outputting IQ data after synchronous detection, and analyzing a signal state of the IQ data after synchronous detection inputted through said interface means. A digital modulation / demodulation type data collection device, comprising: a data analysis unit for converting the data to be displayed, storing the data, and displaying the converted data again. 7. A baseband processing device in a wideband code division multiple access system, comprising: interface means for outputting delay profile data to a baseband processing apparatus, wherein a signal state of the delay profile data input via the interface means is analyzed and converted to be displayed. And a data analyzer for storing and redisplaying the data. 8. An interface means for outputting reception level measurement data to a baseband processing device in a wideband code division multiple access system, wherein a signal state of the reception level measurement data input through said interface means is analyzed and displayed. A digital modulation / demodulation type data collection device comprising a data analysis unit for converting, storing and redisplaying. 9. An interface means for outputting transmission level setting data to a baseband processing device in a wideband code division multiple access system, wherein a signal state of the transmission level setting data input via the interface means is analyzed and displayed. A digital modulation / demodulation type data collection device comprising a data analysis unit for converting, storing and redisplaying. 10. An interface means for outputting decoded data received by a baseband processing device and CRC result data for each effective traffic block in a wideband code division multiple access system, and said received decoded data input via said interface means. And a data analyzer for analyzing and displaying the signal state of the CRC result data for each effective traffic block, storing the converted data, and displaying the converted data again.