Posts Tagged ‘Software Defined Radio’:

Research of Digital Up-Converter of Radio

on June 9th, 2012 by - Comments Off

Wireless Communication is widely used in commerce, military and civilian. With the development of modern communication technology, more and more communication systems are applied to practice. And more new communication standards are there, In order to use some old standards, and to make them compatible with each other, we need Soft Defined Radio(SDR). And SDR

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Research of Digital Up-Converter of Radio

on June 2nd, 2012 by - Comments Off

Wireless Communication is widely used in commerce, military and civilian. With the development of modern communication technology, more and more communication systems are applied to practice. And more new communication standards are there, In order to use some old standards, and to make them compatible with each other, we need Soft Defined Radio(SDR). And SDR

(Read More…)

The Research and FPGA Implement of All Digital OQPSK Demodulation Algorithms

on June 1st, 2012 by - Comments Off

With the increment of the amount for all kinds of communication systems, for the sake of using the frequency spectrum resource sufficiently, more and more modulation technology with high spectrum utilization ratio are being used. OQPSK (Offset Quadrature Phase Shift Keying) modulation technology is a constant envelope modulation technology, which possesses the features of high

(Read More…)

Study of Modulation/modulation of 16-QAM Based on Software-Defined Radio

on June 1st, 2012 by - Comments Off

As a high efficiency digital modulation and demodulation scheme, 16-QAM is widely used in HDTV, satellite communication, microwave communication and so on. In the communication system, the method of modulation and demodulation based on soft-defined radio (SDR) is the aim of the development of technology. SDR is a kind of new technology in communication area.

(Read More…)

Study on Key Technologies of π/4-DQPSK Modulation and Demodulation Realized by FPGA

on June 1st, 2012 by - Comments Off

In recent years,software defined radio emerges as the times require along with the technique of digital signal processing growing up and the performance of digital processing instrument being consummate.It’s based on the principles of modern communication with digital signal processing for core,and supported by the technique of micro-electronics.Its basic concept is making hardware as the

(Read More…)

The Research and Implementation of Software-defined Radio IF Receiver Based of DSP

on June 1st, 2012 by - Comments Off

Software-defined Radio is a concept in the field of wireless communication in recent years. It is a new and significant technology after the revolution from analog technology to digital technology. It is characterized in using the software program to complete the function of standardized, modular hardware, and achieving various types of radio communication systems by

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Research of Digital Up-Converter of Radio

on June 1st, 2012 by - Comments Off

Wireless Communication is widely used in commerce, military and civilian. With the development of modern communication technology, more and more communication systems are applied to practice. And more new communication standards are there, In order to use some old standards, and to make them compatible with each other, we need Soft Defined Radio(SDR). And SDR

(Read More…)

The Research and FPGA Implement of All Digital OQPSK Demodulation Algorithms

on May 31st, 2012 by - Comments Off

With the increment of the amount for all kinds of communication systems, for the sake of using the frequency spectrum resource sufficiently, more and more modulation technology with high spectrum utilization ratio are being used. OQPSK (Offset Quadrature Phase Shift Keying) modulation technology is a constant envelope modulation technology, which possesses the features of high

(Read More…)

Study of Modulation/modulation of 16-QAM Based on Software-Defined Radio

on May 31st, 2012 by - Comments Off

As a high efficiency digital modulation and demodulation scheme, 16-QAM is widely used in HDTV, satellite communication, microwave communication and so on. In the communication system, the method of modulation and demodulation based on soft-defined radio (SDR) is the aim of the development of technology. SDR is a kind of new technology in communication area.

(Read More…)

Study on Key Technologies of π/4-DQPSK Modulation and Demodulation Realized by FPGA

on May 31st, 2012 by - Comments Off

In recent years,software defined radio emerges as the times require along with the technique of digital signal processing growing up and the performance of digital processing instrument being consummate.It’s based on the principles of modern communication with digital signal processing for core,and supported by the technique of micro-electronics.Its basic concept is making hardware as the

(Read More…)

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