CN205725712U - A kind of software radio communication system - Google Patents
A kind of software radio communication system Download PDFInfo
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- CN205725712U CN205725712U CN201620306714.XU CN201620306714U CN205725712U CN 205725712 U CN205725712 U CN 205725712U CN 201620306714 U CN201620306714 U CN 201620306714U CN 205725712 U CN205725712 U CN 205725712U
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Abstract
The utility model discloses a kind of software radio communication system, comprise antenna-feedback system (1), transceiver module (2), processor module (3), computer (4).Described antenna-feedback system (1) is connected by radio frequency line with transceiver module (2), is connected by control line with processor module；Described transceiver module (2) is connected with processor module (3) by spi bus, LVDS and discrete lines respectively, and transceiver module (2) comprises Direct Conversion transceiver chip；Described processor module (3) is connected with computer (4) by network interface, and processor module (3) comprises SoC chip.The software radio system that this utility model relates to, meets the software radio requirement to hardware, working band width, and reconfigurability is good, volume compact.
Description
Technical field
The present invention relates to the transceiver system of wireless communication field, particularly relate to a kind of software radio communication system.
Background technology
Modern wireless communication systems is faced with a series of new challenge, on the one hand, the upgrading of radio communication product is rapid, R&D cycle shortened, and original radio communications system based on hardware is difficult in adapt to its development；On the other hand, multiple communication system is also deposited, and each self-structure is different and follows different communication protocol, and the interconnection between each system is the most difficult.The whole America telecommunications annual meeting in 1992, Joe.Mitola proposes the concept of software radio first.The core concept of software radio is by building opening, standardization, a modular hardware platform, and is realized the function of the various communication modules such as such as working frequency range, modulation type, data form, encryption format by the loading of software.
Preferably software radio should possess following characteristics: (1) flexibly, can be by software control and the transceiver architecture of programming；(2) function of radio is mainly realized by digital signal processor；(3) by the re-programmability of air interface the probability of download new software (can)；(4) multi-mode multi-standard is supported.By using software, set up and be applicable to multi-service, multi-standard, multiband, reconfigurable and reprogrammable radio system.
Widely used if digitization mode in software radio system, is first converted to radiofrequency signal intermediate frequency and is digitized Base-Band Processing again at present, and owing to being limited by analog inverter performance, its working band is narrow, and reconfigurability is poor, and volume is bigger.
The present invention relates to a kind of software radio system framework based on state-of-the-art technology, have employed SoC technology and Direct Conversion transceiver technology, the software radio system that the present invention relates to, meet the software radio requirement to hardware, working band width, reconfigurability is good, volume compact, it is a set of to improve preferable software radio system solution, it is contemplated that there is economic benefit significantly.
Summary of the invention
It is an object of the invention to the deficiency for existing software radio communication system, disclose a kind of new software radio communication system, meet the software radio requirement to hardware, working band width, reconfigurability is good, volume compact, is a set of to improve preferable software radio system solution, it is contemplated that have economic benefit significantly.
The goal of the invention of the present invention is achieved through the following technical solutions:
A kind of software radio communication system, comprises antenna-feedback system 1, transceiver module 2, processor module 3, computer 4；
Described antenna-feedback system 1 is connected by radio frequency line with transceiver module 2, is connected by control line with processor module；
Described transceiver module 2 is connected with processor module 3 by spi bus, LVDS and discrete lines respectively, and transceiver module 2 comprises Direct Conversion transceiver chip；
Described processor module 3 is connected with computer 4 by network interface, and processor module 3 comprises SoC chip.
Preferably, described antenna-feedback system comprises transmission channel and receives passage, and described transmission channel comprises the first reconfigurable filter 13, power amplifier 14 and the antenna being sequentially connected with；Described reception passage comprises antenna, low-noise amplifier 11 and the second reconfigurable filter 12 being sequentially connected with.
Preferably, described SoC chip comprises a FPGA core and an ARM core, is connected by high-speed bus on AXI4 sheet between FPGA core and ARM core.
Further, described software radio communication system, it is characterised in that also comprise power module 5, described power module 5 is antenna-feedback system 1, transceiver module 2, processor module 3 provide power supply.
Compared with prior art, there is techniques below effect in the present invention:
Software radio communication system of the present invention, by using Direct Conversion transceiver chip, it is achieved that wider working band, preferably reconfigurability and less volume, by using SoC chip to substitute traditional signal-processing board, it is achieved that volume is little, the characteristic that data band is wide.This software radio system working band width, reconfigurability is good, and volume is little, goes for the requirement of multiple transceiver communication system.
Accompanying drawing explanation
Fig. 1 is the software radio system configuration diagram that the present invention relates to；
Fig. 2 is the structural representation of antenna-feedback system in the embodiment of the present invention；
Detailed description of the invention
In order to make the technological means of invention, creation characteristic, reach purpose and effect.This utility model is expanded on further below in conjunction with specific embodiment.
A kind of software radio communication system shown in Fig. 1, comprises antenna-feedback system 1, transceiver module 2, processor module 3, computer 4 and power module 5.
Described antenna-feedback system 1 is connected by radio frequency line with transceiver module 2, is connected by control line with processor module.As in figure 2 it is shown, described antenna-feedback system 1, comprising transmission channel and receive passage, described transmission channel comprises the first reconfigurable filter 13, power amplifier 14 and the antenna being sequentially connected with；Described reception passage comprises antenna, low-noise amplifier 11 and the second reconfigurable filter 12 being sequentially connected with.
Described transceiver module 2 is connected with processor module 3 by spi bus, LVDS and discrete lines respectively, and transceiver module 2 comprises Direct Conversion transceiver chip.Described transceiver module 2 transmits control information with processor module 3 by SPI, transmits digital intermediate frequency information by LVDS, is controlled other ports of transceiver module by discrete lines.In the present embodiment, the Direct Conversion transceiver chip of transceiver module 2 selects the AD9361 of AD company, and its working frequency range is 70MHz～6GHz, and bandwidth maximum supports 58MHz.
Described processor module 3 is connected with computer 4 by network interface, and processor module 3 comprises SoC chip.In the present embodiment, the SoC chip of processor module 3 selects the xc7z020 series processors of Xilinx company, and it includes a FPGA core and an ARM core.Control software and base-band software resides in processor module.
Described power module 5 is antenna-feedback system 1, transceiver module 2, processor module 3 provide power supply.
During transmitting, the digital IQ two paths of signals that base band is sent here by transceiver module carries out digital filtering, be converted to analogue zero intermediate-freuqncy signal, and deliver to antenna-feedback system via analog filtering, amplification, gain control, modulation to RF spot at chip internal, the radiofrequency signal that transceiver module is sent here by antenna-feedback system is amplified, and is transmitted in free space via antenna.
During reception, reception signal is filtered and low noise amplification by antenna-feedback system, delivers to transceiver module and processes；Transceiver module receives the signal of antenna-feedback system, downconverts to analogue zero intermediate frequency, carries out gain control, analog filtering, sample conversion are digital I/Q signal, carry out signal processing in digital filtering delivers to processor module.
The present embodiment working band is 70MHz～6GHz, the most configurable within carrying a width of 58MHz, and modulation system can configure, and channel linear can configure, and launches power and can configure.The overall dimensions of this embodiment is 30mm × 30mm × 10mm, small volume.In sum, the present embodiment has possessed the significant advantages such as wider working band, preferable reconfigurability and less volume.
The foregoing is only a specific embodiment of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, within should be included in protection domain of the present utility model.
Claims (4)
1. a software radio communication system, comprises antenna-feedback system (1), transceiver module (2), processes
Device module (3), computer (4), it is characterised in that:
Described antenna-feedback system (1) is connected by radio frequency line with transceiver module (2), passes through with processor module
Control line connects；
Described transceiver module (2) is respectively by spi bus, LVDS and discrete lines and processor module (3)
Connecting, transceiver module (2) comprises Direct Conversion transceiver chip；
Described processor module (3) is connected with computer (4) by network interface, and processor module (3) comprises
SoC chip.
Software radio communication system the most according to claim 1, it is characterised in that described antenna feeder system
System comprises transmission channel and receives passage, and described transmission channel comprises the first reconfigurable filter being sequentially connected with
(13), power amplifier (14) and antenna；Described reception passage comprises antenna, the low-noise amplifier being sequentially connected with
(11) and the second reconfigurable filter (12).
Software radio communication system the most according to claim 1, it is characterised in that described SoC core
Sheet comprises a FPGA core and an ARM core, by AXI4 sheet between FPGA core and ARM core
High-speed bus connects.
4. according to the software radio communication system described in claim 1, it is characterised in that also comprise power supply mould
Block (5), described power module (5) is antenna-feedback system (1), transceiver module (2), processor module (3)
Power supply is provided.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306714.XU CN205725712U (en) | 2016-04-13 | 2016-04-13 | A kind of software radio communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620306714.XU CN205725712U (en) | 2016-04-13 | 2016-04-13 | A kind of software radio communication system |
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| CN205725712U true CN205725712U (en) | 2016-11-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743063A (en) * | 2019-01-28 | 2019-05-10 | 西安玄黄通信技术有限公司 | A kind of baseband processing unit, wireless communication system and equipment based on FPGA |
| CN110070790A (en) * | 2019-04-11 | 2019-07-30 | 广州大学 | Multi-modal communications demo system based on software radio |
| CN112888085A (en) * | 2021-01-13 | 2021-06-01 | 中科华军(北京)科技发展有限公司 | Broadband wireless ad hoc network radio station and broadband wireless ad hoc network system |
| CN114422410A (en) * | 2021-12-29 | 2022-04-29 | 中电科思仪科技(安徽)有限公司 | Multi-channel signal processing device and method |
-
2016
- 2016-04-13 CN CN201620306714.XU patent/CN205725712U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743063A (en) * | 2019-01-28 | 2019-05-10 | 西安玄黄通信技术有限公司 | A kind of baseband processing unit, wireless communication system and equipment based on FPGA |
| CN110070790A (en) * | 2019-04-11 | 2019-07-30 | 广州大学 | Multi-modal communications demo system based on software radio |
| CN112888085A (en) * | 2021-01-13 | 2021-06-01 | 中科华军(北京)科技发展有限公司 | Broadband wireless ad hoc network radio station and broadband wireless ad hoc network system |
| CN114422410A (en) * | 2021-12-29 | 2022-04-29 | 中电科思仪科技(安徽)有限公司 | Multi-channel signal processing device and method |
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