Multi-band frequency spectrum aggregating wireless transmitter-receiver device

A wireless transceiver device and spectrum aggregation technology, which is applied in wireless communication, multi-frequency code system, wireless network protocol, etc., can solve the problems of only using continuous spectrum and not being able to work in multiple frequency bands at the same time, so as to facilitate modular design and production, overcome the effect of narrow processing bandwidth and good cost advantages

Inactive Publication Date: 2010-06-16
UNIV OF SCI & TECH OF CHINA
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  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to propose a multi-band spectrum aggregation wireless transceiver device, using multi-band radio frequency front-end, modular baseband processing channel and non-continuous orthogonal frequency division multiplexing (NC-OFDM) technology to solve the problem...

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  • Multi-band frequency spectrum aggregating wireless transmitter-receiver device
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  • Multi-band frequency spectrum aggregating wireless transmitter-receiver device

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Embodiment 1

[0022] first with figure 1 A schematic diagram of the multi-band spectrum aggregation wireless transceiver device system of the present invention is given; figure 2 A block diagram of the RF front-end processing and transmitting principle is given; image 3 It is a block diagram of the RF front-end processing and receiving principle; Figure 4 It is a block diagram of the transmission baseband processing channel; Figure 5 It is a block diagram of the receiving baseband processing channel. This example will use the figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 As shown, how to use the present invention to simultaneously use 4 frequency bands divided by the IMT-Advanced standard.

[0023] Such as figure 1 As shown: the radio frequency front-end processing module 101 is connected to multiple receiving baseband processing channels 102 and multiple transmitting baseband processing channels 103, and each receiving baseband processing channel 102 and each trans...

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Abstract

The invention discloses a multi-band frequency spectrum aggregating wireless transmitter-receiver device which is characterized in that multi-band simulating radio frequency front ends are aggregated; different radio frequencies are divided into 20 MHz and 60 MHz processing frequency bands; analog-to-digital conversion while receiving a base-band signal and digital-to-analogue conversion while sending are performed in low and intermediate frequencies; and a signal treatment relative to a base-band NC-OFDM modulation-demodulation is performed by a sending base-band processing channel and a receiving base-band processing channel which are dynamically arranged. The invention solves the problem that the prior mobile communication terminal cannot work in multi-band at the same time during the communication process and only can use continuous frequency spectrums. The frequency spectrum aggregating function of the transmitter-receiver device realizes a data rate required by an IMT-Advanced system.

Description

technical field [0001] The invention belongs to the technical field of wireless transmission and reception for digital information transmission, and in particular relates to a wireless transceiver device for organizing spectrum fragments on multiple frequency bands in a wireless mobile communication system to realize spectrum aggregation. Background technique [0002] International Advanced Mobile Telecommunications (IMT-Advanced) is a new generation of mobile communication technology defined by the International Telecommunication Union (ITU). It is a new development of 3G technology, and it includes mobile systems with new capabilities beyond IMT-2000. According to Recommendation ITU-RM.1645 "Framework and Overall Goals for Future Deployment of IMT-2000 and Post-IMT-2000 Systems", the design goal of the data rate of the IMT-Advanced system is to support 1Gbps data services when the user is stationary or moving at a low speed Rate; when the user is in a high-speed mobile sta...

Claims

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Application Information

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IPC IPC(8): H04L27/26H04B7/26H04W80/00
Inventor 李辉戴旭初
Owner UNIV OF SCI & TECH OF CHINA
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