Radio communication device, system and method

A technology of wireless communication device and wireless communication system, which is applied in the directions of radio relay system, transmission system, selection device, etc., can solve the problems of low throughput rate and inability to cover shadow areas, etc.

Active Publication Date: 2008-03-12
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The technical problem solved by the present invention is to provide a wireless communication device, system and method to improve the coverage of the wir

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  • Radio communication device, system and method
  • Radio communication device, system and method
  • Radio communication device, system and method

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[0167] In order to facilitate a clearer understanding of the present invention, the present invention will be further described in detail below with reference to the drawings and specific embodiments.

[0168] The present invention forms a new wireless communication system by improving the base station in the prior art and introducing a new wireless relay station, as shown in FIG. 3. The wireless communication system provided by the present invention includes a base station 1, a wireless relay station 2 and a user terminal 3. The base station 1 and the user terminal 3 can directly communicate through the uplink data subframe and the downlink data subframe like a traditional wireless communication system, and can also forward the uplink and downlink data to each other through the wireless relay station 2. That is, the wireless relay station 2 can receive the downlink relay subframe data from the base station 1 and carry the demodulated downlink data in the downlink data subframe an...

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Abstract

The present invention discloses a wireless communication system, a device and a wireless communication method. The wireless communication system comprises a base station, a wireless relay station and a user terminal. Wherein, the base station and the user terminal can transmit uplink data and downlink data to each other through the wireless relay station. In detail, the wireless relay station receives downlink relay sub-frame data from the base station and carries the demodulated downlink data onto downlink relay sub-frames and then transmits the data to the user terminal. In addition, the wireless relay station receives uplink data sub-frame data from the user terminal and carries the demodulated uplink data onto uplink relay sub-frames and then transmits the data to the base station, thus fulfilling communication of the wireless communication system. Moreover, the present invention discloses a wireless communication device and a method. The present invention forms a novel wireless communication system and a wireless communication method applying the wireless communication system by modifying the base station and introducing a novel wireless relay station, thus expanding coverage scope of the base station and removing lower throughput rate on community edges and uncovered shadow regions.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a base station for wireless communication, a wireless relay station, a wireless communication system composed of the base station, wireless relay station and user terminals, and a wireless communication system for forwarding uplink and downlink data method. Background technique [0002] With the rapid development of high-speed network technology and multimedia technology, the development of wireless network is extremely rapid. The development trend of wireless network gradually evolves from circuit switching to packet switching, and various wireless broadband access technologies emerge in endlessly. Wireless networks that have developed rapidly in recent years include the third generation mobile communication system (3G, The thirdGeneration Mobile Communication), local multipoint distributed service (LMDS, LocalMultipoint Distribution Service), multipoint multichanne...

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Application Information

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IPC IPC(8): H04B7/14H04Q7/30H04Q7/32H04B7/26H04L12/56
Inventor 邓世强张爱民唐臻飞
Owner HUAWEI TECH CO LTD
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