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Worldwide microwave inter-operative transmitting and receiving system and method for transmitting and receiving signal thereof

A receiving system and interoperability technology, applied in the transmission system, multi-frequency code system, radio transmission system, etc., can solve the problems that hinder the development and application of WIMAX, and it is difficult to analyze the overall performance of WIMAX, so as to reduce the complexity of the system, Low operating costs and improved efficiency

Inactive Publication Date: 2007-08-22
SOUTH CHINA UNIV OF TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to analyze the overall performance of WIMAX, which hinders the development and application of WIMAX

Method used

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  • Worldwide microwave inter-operative transmitting and receiving system and method for transmitting and receiving signal thereof
  • Worldwide microwave inter-operative transmitting and receiving system and method for transmitting and receiving signal thereof
  • Worldwide microwave inter-operative transmitting and receiving system and method for transmitting and receiving signal thereof

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Embodiment

[0046] Fig. 1 has shown the concrete structure of WiMax system of the present invention, as seen from Fig. 1, this WiMax system comprises transmitting system and receiving system, and described transmitting system comprises: randomization module, channel coding module, interleaving module, modulating module, framing module, IFFT conversion module, adding cyclic prefix module, parallel / serial conversion (P / S) module, RRC filter module, digital-to-analog conversion module, low-pass filter module and power control module, and the randomization module passes through the channel coding module in turn , an interleaving module, a modulation module, a framing module, an IFFT conversion module, a cyclic prefix adding module, a parallel / serial conversion (P / S) module, an RRC filter module, a digital-to-analog conversion module, a low-pass filter module and a power control module; The receiving system includes: sampling timing module, analog-to-digital conversion module, symbol synchroniz...

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Abstract

A mutually-operated emitting and receiving system of microwave is prepared as forming emission system by randomization module, channel coding module, interlacing module, modulation module, setting-frame module, IFFT conversion module, adding circulation prefix module, parallel / series conversion module, etc; forming receiving system by sampling-positioning module, A / D conversion module, symbol synchronization module, de-circulation prefix module, FFT conversion module, de-framing module, channel estimation module, balance module, decoding module, derandomization module, etc.

Description

technical field [0001] The invention relates to wireless network transmitting and receiving technology, in particular to a World Microwave Interoperability (WIMAX) transmitting and receiving system and a signal transmitting and receiving method thereof. Background technique [0002] WIMAX is the abbreviation of "Worldwide Interoperability for Microwave Access", generally translated as Worldwide Interoperability for Microwave Access, defined by a series of standards of IEEE 802.16. The core of WIMAX is Orthogonal Frequency Division Multiplexing (OFDM), which is mainly aimed at WMAN and the "last mile" problem. It regulates point-to-point and point-to-multipoint wireless network mechanisms. WIMAX broadband wireless access system is faster than Ethernet and Wi-Fi, and the transmission distance is longer. Moreover, this kind of network construction speed is fast, the operation cost is low, the expansion ability is strong, and the flexibility is high, so it is favored by operator...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/00H04L27/26
Inventor 甘玉珏张远见龙建标
Owner SOUTH CHINA UNIV OF TECH
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