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A multi-carrier modulation system

A multi-carrier modulation and multi-carrier technology, applied in the modulation carrier system, multi-frequency code system, transmission system, etc., can solve the problems that cannot meet the needs of multi-carrier secure communication, reduce hardware costs and implementation difficulties, and enhance security performance effect

Active Publication Date: 2019-03-05
深圳市领创星通科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the ensuing problem is that the original single-channel or single-carrier modulation technology can no longer meet the needs of multi-carrier secure communication. Therefore, it is necessary to propose a multi-carrier modulation scheme suitable for LTE

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  • A multi-carrier modulation system

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Embodiment Construction

[0020] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0021] According to an embodiment of the present invention, a multi-carrier modulation system is proposed, as shown in the attached figure 1 As shown, the system includes: an LTE multi-carrier transmitter and an LTE multi-carrier receiver, the LTE multi-carrier transmitter performs multi-carrier modulation and transmits the multi-carrier signal to be transmitted, and the LTE multi-carrier receiver performs multi-carrier modulation o...

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Abstract

The invention relates to a multi-carrier modulation system. Two-stage multi-carrier modulation and demodulation are adopted in the multi-carrier modulation system. The secrecy performance is greatly improved while the spectrum efficiency and the data transmission rate of an LTE system are ensured; the hardware cost and the implementation difficulty are also reduced; and the multi-carrier modulation system has beneficial technological effects.

Description

technical field [0001] The invention relates to secure communication, in particular to a multi-carrier modulation system. Background technique [0002] In the future mobile communication system, high-bandwidth and high-speed data services are essential, which requires wireless communication technology to effectively eliminate the adverse effects of wireless channel fading on transmission, and achieve higher spectral efficiency. Take into account the equality among users. [0003] LTE (Long Term Evolution) is a long-term evolution of the UMTS (Universal Mobile Telecommunications System) technical standard formulated by 3GPP (Third Generation Partnership Project). The LTE system introduces key transmission technologies such as OFDM and MIMO, which significantly increases the spectrum efficiency and data transmission rate; and in order to obtain diversity multiplexing gain, the LTE system gradually adopts multi-carrier and dynamic modulation technologies for transmission. [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L27/26
CPCH04L27/2601H04L27/2627H04L27/2649
Inventor 杨荣
Owner 深圳市领创星通科技有限公司
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