A dual-antenna dual-frequency point communication method and system for strong reflection environments

A strong reflection, dual-antenna technology, applied in diversity/multi-antenna systems, wireless communications, multi-frequency code systems, etc. Or the effect of reducing interference and ensuring flat characteristics

Active Publication Date: 2021-11-12
TOEC TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, wireless communication technology is applied to handheld mobile terminals. The wireless communication system technology of mobile terminals in conventional applications is relatively mature, but in some special scenarios, due to interference from terrain or environment, conventional communication systems are no longer applicable, such as In a strong reflection environment, there are space selective fading and frequency selective fading, and wireless communication will be greatly affected. Therefore, it is necessary to design a wireless communication system suitable for a strong reflection environment

Method used

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  • A dual-antenna dual-frequency point communication method and system for strong reflection environments
  • A dual-antenna dual-frequency point communication method and system for strong reflection environments
  • A dual-antenna dual-frequency point communication method and system for strong reflection environments

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Embodiment Construction

[0031] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0032] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] The applicati...

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Abstract

The invention discloses a dual-antenna dual-frequency point communication method and system used in a strong reflection environment. The carrier waves of the uplink and the downlink are located in the range of 440MHz to 460MHz; the frequency diversity is adopted, and the center frequency of the frequency diversity is different in Deep fading bandwidth and above for the deck reflection model; the carrier bandwidth for each frequency diversity is less than the coherence bandwidth for the facade reflection model. The invention resists space selective fading and frequency selective fading through frequency diversity, and ensures that the frequency diversity does not fall into deep fading at the same time by setting the center frequency difference of frequency diversity; OFDM technology eliminates or weakens interference and is suitable for strong reflection environments.

Description

technical field [0001] The invention belongs to the field of wireless communication, and in particular relates to a dual-antenna dual-frequency point communication method and system used in a strong reflection environment. Background technique [0002] At present, wireless communication technology is applied to handheld mobile terminals. The wireless communication system technology of mobile terminals in conventional applications is relatively mature, but in some special scenarios, due to interference from terrain or environment, conventional communication systems are no longer applicable, such as In a strong reflection environment, there are space selective fading and frequency selective fading, and wireless communication will be greatly affected. Therefore, it is necessary to design a wireless communication system suitable for a strong reflection environment. Contents of the invention [0003] The invention proposes a dual-antenna dual-frequency point communication metho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/04H04B7/12H04L27/26H04W24/06
CPCH04B7/04H04B7/12H04L27/26H04W24/06
Inventor 张建军董悦颜凯郝帅龙钱建增范玉进
Owner TOEC TECH
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