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Heterogeneous network dynamic system level simulation method based on physical layer abstraction algorithm

A simulation method and dynamic system technology, applied in baseband systems, transmission systems, digital transmission systems, etc., can solve problems such as high complexity, huge amount of computational data, and complex systems, and achieve a solution that reduces computational complexity and optimizes overall performance. Effect

Inactive Publication Date: 2011-07-27
SOUTHEAST UNIV
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Problems solved by technology

[0003] The problem to be solved by the present invention is: in the current wireless communication, on the one hand, the system is extremely complex for the heterogeneous network formed by the fusion of 802.11n and LTE; System-le

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  • Heterogeneous network dynamic system level simulation method based on physical layer abstraction algorithm
  • Heterogeneous network dynamic system level simulation method based on physical layer abstraction algorithm
  • Heterogeneous network dynamic system level simulation method based on physical layer abstraction algorithm

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Embodiment Construction

[0024] Such as figure 1 , the present invention carries out dynamic system-level simulation to the heterogeneous network that 802.11n and LTE merge, comprises the following steps:

[0025] Perform dynamic system-level simulation on the heterogeneous network formed by the fusion of 802.11n and LTE, including the following steps:

[0026] The first step is to determine whether the access network is 802.11n or LTE;

[0027] The second step is to determine the selected modulation and coding mode MCS, and the modulation and coding mode MCS includes the modulation and coding mode of the LTE cellular mobile communication network or the modulation and coding mode of the 802.11n wireless local area network;

[0028] The third step is to use the RBIR physical layer abstract algorithm to establish a unified air interface abstract model of LTE and 802.11n heterogeneous networks, and obtain the block average mutual information rate RBIR from real-time channel information;

[0029] In the...

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Abstract

The invention discloses a heterogeneous network dynamic system level simulation method based on a physical layer abstraction algorithm. Aiming at the heterogeneous network fusion of an LTE (Long Term Evolution) honeycomb mobile communication network and the next generation high-speed wireless local area network based on a Wi-Fi wireless transmission standard protocol 802.11n, link simulation of a complex physical layer is simplified by using the physical layer abstraction algorithm and abstracted into a simple unitary parametric function, details of the physical layer protocol are shielded, and 802.11n and LTE different physical layers are abstracted into a uniform air interface model to be used as an across-layer module. The heterogeneous network dynamic system level simulation method based on the physical layer abstraction algorithm, provided by the invention, realizes dynamic system level simulation and greatly lowers operation complexity.

Description

technical field [0001] The present invention belongs to the technical field of wireless communication, relates to the fusion of LTE (Long Term Evolution, long-term evolution) and 802.11n heterogeneous network, RBIR (received block mean mutual information rate, block average mutual information rate) physical layer abstract algorithm, and proposes a A dynamic system-level simulation method for heterogeneous networks based on physical layer abstraction algorithm. Background technique [0002] At present, with the rapid development of wireless communication technology, various standards are constantly being updated, and new wireless network architectures and technologies are constantly being proposed. People have also put forward higher requirements for wireless communication systems, such as higher transmission rates, higher quality of service, and wider access. Such requirements have drawn great attention to cross-layer design. In addition, wireless The integration of local a...

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Application Information

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IPC IPC(8): H04W16/22
CPCH04L25/00H04W16/22H04B17/00
Inventor 衡伟印芷漪张金宝王婉苓张威
Owner SOUTHEAST UNIV
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