CN201536426U - Independent debugging module of radio frequency unit in wireless base station system - Google Patents

Abstract

The utility model relates to an independent debugging module of a radio frequency unit in a wireless base station system, which is positioned at the base plate microcontroller side of the radio frequency unit. The independent debugging module comprises a bus control power selection unit device, a PC machine universal interface communication unit device and a parameter data set unit device which are connected in an electric control way, the bus control power selection unit device determines the control power of a bus of the radio frequency unit according to the connected or disconnected state between a base band control unit and the radio frequency unit, the PC machine universal interface communication unit device determines the debugging frequency specified by PC machine transfer debugging personnel and/or parameter data of an attenuator according to the debugging state of the debugging target radio frequency unit, and the parameter data set unit device sets the work frequency of a frequency module of the radio frequency unit and/or sets the attenuation value of a signal channel attenuator through the bus of the radio frequency unit according to configuration parameter data downloaded in advance or parameter data transferred through a PC machine universal interface. The utility model has the advantages that the radio frequency unit and the base band control unit can realize parallel debugging, and the development period can be effectively reduced.

Description

The independent debugging module of radio frequency unit in a kind of wireless base system

Technical field

The utility model relates to wireless communication technology field, is specifically related to the independent debugging module of radio frequency unit in a kind of wireless base system.

Background technology

Along with the continuous development of radio communication, the commerce of radio communication is used from analog to digital communication, develops into 3G (3G (Third Generation) Moblie) from 2G (second generation mobile communication), and develops into the wireless broadband communication service of supporting high-speed mobile.In wireless communication field, base station equipment is the important component part in the wireless network, and the research and development speed of base station equipment depends on the design of each major function unit in the base station equipment, the speed of debugging.

A base station will experience design, drawing, making sheet, welding component, functional unit debugging and detection, until a plurality of links such as integration testings from being designed into the R﹠D process of finishing integration testing.In this whole process, the time proportion that the functional unit debugging takies is bigger.Mainly needing the functional unit of debugging in the wireless base system is baseband control unit and radio frequency unit, wherein the debugging of radio frequency unit needs the supplemental characteristic configuration that baseband control unit is correlated with, and this begins after the baseband control unit debugging is finished with regard to the debugging that means radio frequency unit.How could make parallel the carrying out of debugging work of baseband control unit and radio frequency unit, to improve research staff's operating efficiency, accelerate the research and development process as much as possible, be very important.

The adjustment method of serial is adopted in the debugging of radio frequency unit in traditional wireless base system, that is: adopt instrument and meters such as required signal source of baseband control unit, power supply, PC, the debugging identical and spectrum analyzer to build debugging enironment with the real base station system, connect cable between baseband control unit and radio frequency unit, connect the instrument and meter of debugging radio frequency unit; Power on the back baseband control unit to target radio frequency unit loading frequency and attenuator supplemental characteristic, make radio frequency unit enter operating state.During debugging, the modulation signal of signal source output corresponding frequencies and level, the commissioning staff debugs and tests tested radio frequency unit according to waveform and level that spectrum analyzer shows.

In traditional adjustment method, structure to the environment of radio frequency unit debugging need one can operate as normal baseband control unit, if under the state that radio frequency unit and baseband control unit are researched and developed simultaneously, the debugging enironment that is configured to radio frequency unit with baseband control unit has certain degree of difficulty.Mean, one can operate as normal the debugging of baseband control unit also need the long cycle, be not easy to realize the parallel debugging of radio frequency unit and baseband control unit.Therefore, the adjustment method of this serial has restricted the raising of research and development speed.

The utility model content

The utility model is at the problems referred to above, the independent debugging module of radio frequency unit in a kind of wireless base system is provided, adopt this debugging module, can not have under the prerequisite of baseband control unit, radio frequency unit to the base station carries out debugging work, make that the debugging of radio frequency unit and baseband control unit are parallel carries out, shorten the R﹠D cycle of base station system, accelerate the research and development process.

The technical solution of the utility model is such:

The independent debugging module of radio frequency unit in a kind of wireless base system, this module are positioned at this plate of radio frequency unit microcontroller side, and it comprises:

Bus control right selected cell device, PC general-purpose interface communication unit device and supplemental characteristic are provided with cell arrangement, electricly connect between the three;

Described bus control right selected cell device is according to the control that state is determined the radio frequency unit bus that whether is connected between baseband control unit and the radio frequency unit;

Described PC general-purpose interface communication unit device, according to the debugging mode of debug target radio frequency unit determine by PC transmit commissioning staff's appointment the debugging frequency and or the attenuator supplemental characteristic;

Described supplemental characteristic is provided with cell arrangement, according to configuration parameter data of downloading in advance or the supplemental characteristic that transmits via the PC general-purpose interface, the operating frequency of radio frequency unit frequency module is set and or the pad value of fading channel device is set by the radio frequency unit bus.

As seen from the above technical solution, the independent debugging module of radio frequency unit in the wireless base system that the utility model provides, compare with existing common adjustment method, when radio frequency unit is debugged, simplified demand to debugging enironment, debugging work is carried out in the control that can break away from baseband control unit, makes that radio frequency unit and baseband control unit can parallel debuggings; In the research and development of wireless base station product, the mutual wait phenomenon when the utility model has been avoided radio frequency unit debugging and baseband control unit debugging can be accelerated the debugging progress, increases work efficiency, and shortens the R﹠D cycle effectively.

Description of drawings

Fig. 1 is the debugging enironment schematic diagram that the utility model radio frequency unit is independently debugged.

Fig. 2 is the flow chart of the independent adjustment method of the utility model radio frequency unit.

Fig. 3 is the composition structural representation of the independent debugging module of the utility model radio frequency unit.

Embodiment

The utility model is described in more detail below in conjunction with the drawings and specific embodiments.

The utility model is mainly used in the integrated wireless base station system, and this system becomes a complete wireless base system by baseband control unit, radio frequency unit, power amplifier, power supply module, power interface, antennal interface and other external signal interface group.The utility model is applicable in the debugging of other wireless communication system too, as the PHS system.

For making the technical solution of the utility model more cheer and bright, below in conjunction with the drawings and specific embodiments the utility model is elaborated, so that further understand the technical solution of the utility model.Technical scheme provided by the utility model is applicable in the debugging of other wireless communication system too.

The utility model embodiment provides the independent adjustment method of radio frequency unit in a kind of wireless base system, and the debugging enironment that this method is used comprises frequency spectrograph, PC, radio frequency unit, signal source and D.C. regulated power supply as shown in Figure 1.Frequency and attenuator supplemental characteristic that this plate of radio frequency unit microcontroller μ P presets by the setting of radio frequency unit bus perhaps receive PC and behind frequency that RS-232 interface sends or attenuator supplemental characteristic radio frequency unit are provided with.

Before carrying out, need meet the following conditions to the debugging of radio frequency unit:

1. set up debugging enironment, and correctly connect the line between the each several part.

2. debugging module program and the frequency and the attenuator supplemental characteristic that preset are downloaded in the program storage of this plate of radio frequency unit microcontroller μ P.

3. correctly power to radio frequency unit.

4. the instrument and meter of test usefulness is normal.

In the utility model the flow chart of the independent adjustment method of radio frequency unit as shown in Figure 2, comprising:

Step 201: this plate of radio frequency unit microprocessor controls radio frequency unit bus.

When microcontroller μ P detects radio frequency unit and does not connect baseband control unit, the microcontroller program enters debugging mode, this moment, microcontroller μ P was connected to the I/O port of radio frequency unit bus, by the high resistant mode switch is output mode, and radio frequency unit bus power is just controlled by microcontroller μ P like this.

Otherwise, when microcontroller μ P detects radio frequency unit and is connected with baseband control unit, the microcontroller program withdraws from debugging mode, enter normal mode of operation, the I/O port that this moment, microcontroller μ P was connected to the radio frequency unit bus transfers the high resistant pattern to, discharge its control to the radio frequency unit bus, this bus control right profit is transferred to baseband control unit control.

Step 202: the radio frequency unit frequency and the attenuator supplemental characteristic that preset are set.

After entering debugging mode, microcontroller μ P will be loaded in the frequency of the acquiescence in the memory and attenuator supplemental characteristic in advance down and be written to frequency module and attenuator on the radio frequency unit respectively through the radio frequency unit bus, carry out the operating frequency and the attenuator configuration of radio frequency unit.

Step 203: receive and be provided with supplemental characteristic from PC.

The commissioning staff is according to the debugging situation to radio frequency unit, and the debugging demand, can also adopt the control of PC control desk, by RS-232 interface different frequency debugging is set, with the working condition of check radio frequency unit any frequency in the frequency range of design; Change attenuator supplemental characteristic perhaps is set, adjusts the signal level position of channel, so that signal reaches the optimal design scope of link.

Microcontroller receives order and the supplemental characteristic from the PC RS-232 interface, and the resolve command requirement is written to the correspondent frequency module to the supplemental characteristic of receiving according to order and carries out frequency configuration, perhaps is written to corresponding attenuator and carries out the pad value setting.

Step 204: radio frequency unit debugging.

The commissioning staff carries out the debugging of radiofrequency signal link according to the signal results of the parameter detecting radio frequency unit that is provided with, after the debugging of debugging of the radio frequency unit under the default parameters condition and PC control desk control tuning parameter combines, can finish debugging to all radio-frequency (RF) index of radio frequency unit.

The utility model also provides a kind of independent debugging module of radio frequency unit, is the module of carrying out the independent adjustment method of above-mentioned radio frequency unit, and it is positioned at the microcontroller side of this plate of radio frequency unit, the composition structure of this debugging module as shown in Figure 3:

Described debugging module 300, under the radio frequency unit debugging mode, the frequency module 311 and the attenuator 312 of configuration target radio frequency unit 310.

Described debugging module 300 comprises: RS-232 serial communication unit 301, supplemental characteristic are provided with unit 302 and bus control right selected cell 303.

Described RS-232 serial communication unit 301 receives order and the supplemental characteristic that the PC RS-232 interface is sent according to data communication protocol;

Described supplemental characteristic is provided with cell arrangement 302, the frequency and the attenuator supplemental characteristic of acquiescence are set, perhaps be provided with from the frequency of PC control desk and attenuator supplemental characteristic to target radio frequency unit 310, the operating frequency and the attenuator of target radio frequency unit 310 is configured;

Described bus control right selected cell device 303 is judged the connection status between target radio frequency unit 310 and baseband control unit, microprocessor controls or discharge its control to target radio frequency unit bus.

The above only is an embodiment of the present utility model; so it is not to be used to limit spirit of the present utility model and protection range; under the situation that does not deviate from the utility model spirit and essence thereof; various corresponding variation or distortion that those of ordinary skill in the art made all should be considered as belonging to the protection range of the appended claim of the utility model.

Claims (1)

1. the independent debugging module of radio frequency unit in the wireless base system is characterized in that this module is positioned at this plate of radio frequency unit microcontroller side, and it comprises:

Bus control right selected cell device, PC general-purpose interface communication unit device and supplemental characteristic are provided with cell arrangement, electricly connect between the three;

Described bus control right selected cell device is according to the control that state is determined the radio frequency unit bus that whether is connected between baseband control unit and the radio frequency unit;

Described PC general-purpose interface communication unit device, according to the debugging mode of debug target radio frequency unit determine by PC transmit commissioning staff's appointment the debugging frequency and or the attenuator supplemental characteristic;

Described supplemental characteristic is provided with cell arrangement, according to configuration parameter data of downloading in advance or the supplemental characteristic that transmits via the PC general-purpose interface, the operating frequency of radio frequency unit frequency module is set and or the pad value of fading channel device is set by the radio frequency unit bus.

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