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System and method for providing preamble codes and generating preamble signals in communication system

A user terminal and preamble technology, which is applied in the field of transmitting ranging preamble to base stations and user terminals in a communication system, can solve problems such as false alarm events, and achieve the effect of reducing alarm events and improving system efficiency.

Active Publication Date: 2013-07-31
IND TECH RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, a false warning event occurs

Method used

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  • System and method for providing preamble codes and generating preamble signals in communication system
  • System and method for providing preamble codes and generating preamble signals in communication system
  • System and method for providing preamble codes and generating preamble signals in communication system

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Embodiment Construction

[0075] Exemplary embodiments illustrated in the accompanying drawings will be described in detail below. The following description will be made in conjunction with the attached drawings. Unless otherwise specified, in the attached drawings, the same numbers in different drawings represent the same or similar components. The four embodiments listed below do not represent all the embodiments of the present invention. The description and the examples are only considered as exemplary, and the true scope of the present invention should be defined by the appended claims.

[0076] image 3 is a schematic diagram of a communication system 300 according to an embodiment. The communication system 300 may operate according to different standards, such as IEEE802.16 standard family, 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) standard, High-Speed ​​Packet Access (High-Speed ​​Packet Access, HSPA) standard, long-term Evolution (Long Term Evolution, LTE) ...

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Abstract

A method for a user terminal to generate a preamble signal in a wireless communication system, the method including: generating an orthogonal sequence as a first sequence; performing cyclic shift on an antipodal version of the orthogonal sequence to generate a second sequence; and combining the first sequence and the second sequence to generate the preamble signal.

Description

[0001] This case is a divisional application, the application number of its parent case is: 201010622017.2, the filing date is: December 29, 2010, and the title of the invention is: system and method for providing preambles and generating preamble signals in communication systems. technical field [0002] This patent application claims priority to U.S. Provisional Patent Application No. 61 / 290878, filed December 29, 2009, with the USPTO and U.S. Provisional Patent Application No. 61 / 380883, filed September 8, 2010 , the content disclosed in this patent application is fully incorporated in the description of this patent application. [0003] The disclosure of this patent application is related to systems and methods for providing preambles and generating preamble signals in wireless communications. Background technique [0004] For future wireless communications, wideband transmission with high spectral efficiency and high mobility is required. Technologies that may achieve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/06
CPCH04L27/2607H04L27/2613H04L5/0048H04L5/0023H04L27/2662H04L1/20
Inventor 黄朝旺陈桢明丁邦安许仁源谢雨滔
Owner IND TECH RES INST