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Radio communication device and radio communication signal processing method

A wireless communication device and signal processing technology, applied in the communication, electrical components, transmission system and other directions between multiple stations, can solve the problem of increasing development time, achieve high reusability, improve independence, and easy to change. Effect

Inactive Publication Date: 2009-10-07
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in order to adapt to the new wireless system, a large design change is required, which leads to an increase in development time

Method used

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  • Radio communication device and radio communication signal processing method
  • Radio communication device and radio communication signal processing method
  • Radio communication device and radio communication signal processing method

Examples

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Embodiment Construction

[0017] figure 1 Shown is an example of the configuration of the software wireless device of the present invention. When sending data, the baseband signal processing unit 103 converts the transmission data output from the protocol processing unit (CPU) 104 into a signal conforming to the wireless mode, and then converts it into a signal of the wireless frequency band by the wireless modem unit 102, and then transmits the signal from the antenna 101 output. During data reception, the radio modem unit 102 converts the radio frequency signal input from the antenna 101 into a baseband frequency domain signal, demodulates it by the baseband signal processing unit 103, and sends it to the protocol processing unit 104 as received data. The baseband signal processing unit 103 includes functional components 105 to 110 realized by software, a clock 111, and an interface 112 for writing software. figure 1 In , the number of functional parts is six, but this is an example, and other numb...

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Abstract

The present invention relates to a wireless communication device and a wireless communication signal processing method. The wireless communication device of the present invention has: an antenna; a wireless modem unit connected to the antenna; a signal processing unit connected to the wireless modem unit and performing signal processing; a signal processing unit connected to the signal processing unit and performing signal transmission and reception Protocol processing section for protocol processing. The signal processing section includes a plurality of functional blocks whose functions are defined by the installation of the program, and which perform signal processing of transmitted signal data or received signal data; each functional block indicates whether the functional block can accept the next transmitted signal data or received signal The busy status information of data input is notified to the previous stage as a reverse control signal, and when receiving the notification of the busy status information indicating that the input of the next sending signal data or receiving signal data can be accepted from the subsequent function block, the The transmit signal data or receive signal data subjected to signal processing in the block is output to the subsequent functional block.

Description

technical field [0001] The present invention relates to a wireless device having a processing unit whose function can be changed by rewriting software, that is, a so-called software wireless device. Background technique [0002] Conventionally used wireless devices are composed of a protocol processing unit, a baseband processing unit, and a wireless modem unit (JP-A-2000-138651 (Patent Document 1)). The transmission data sent from the protocol processing unit is converted into a baseband signal suitable for the frequency band of the wireless system by the baseband processing unit, converted into a signal of the wireless frequency band by the wireless modem unit, and transmitted from the antenna. The wireless modulation and demodulation part converts the signal of the wireless frequency band received from the antenna into a baseband signal, and then the baseband processing part performs baseband demodulation processing, and then sends it to the protocol processing part as re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/38H04B7/26H04B1/40
Inventor 川边学恒原克彦石井裕丈石川崇
Owner HITACHI LTD
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