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High frequency synchronization realization method based on wide-narrow wave beam access, system and device

An implementation method and system implementation technology, applied in access restriction, transmission system, radio transmission system, etc., can solve problems such as increased time delay and cumbersome implementation steps

Active Publication Date: 2017-03-08
ZTE CORP
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Problems solved by technology

[0006] To sum up, high-frequency cellular communication requires both beam training and cell search. Moreover, this separate implementation of downlink synchronization and beam training makes the implementation steps cumbersome and increases the delay.

Method used

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Embodiment Construction

[0106] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0107] figure 1 Schematic diagram of two beams supported for high-frequency sites, such as figure 1 As shown, the left picture is a schematic diagram of the wide beam transmission of the high-frequency station, and the right picture is the schematic diagram of the narrow beam transmission of the high-frequency station. figure 2 It is a flow chart of the method for implementing high-frequency synchronization based on wide and narrow beam access in the present invention, such as figure 2 shown, including:

[0108] Step 200: The transmitting end sends out a wide beam carryi...

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Abstract

The invention discloses a high frequency synchronization realization method based on wide-narrow wave beam access, a system and a device. The method comprises steps that an emission end gives out a wide wave beam bearing a main synchronous sequence at a main synchronous emission moment; after receiving the wide wave beam, a receiving end detects a community intra-group ID and a wide wave beam ID; the emission end gives out a narrow wave beam bearing an auxiliary synchronous sequence at an auxiliary synchronous emission moment; after receiving the narrow wave beam in a coverage region of the detected wide wave beam ID, the receiving end detects a community group ID and a narrow wave beam ID; and the receiving end determines a community ID according to the detected community intra-group ID and the detected community group ID, and feeds back the detected wide wave beam ID and the detected narrow wave beam ID to the emission end. According to the invention, it is achieved that community searching is finished when wave beams are trained, so time consumption for wave beam searching is reduced.

Description

technical field [0001] The present invention relates to fifth-generation mobile communication (5G) millimeter wave technology, in particular to a high-frequency synchronization implementation method, system and device based on wide and narrow beam access in high-frequency communication. Background technique [0002] People's demand for wireless communication is increasing, and the requirements for user experience are also getting higher and higher, such as low delay, high throughput, etc., which also put forward higher and higher requirements for communication technology. According to Shannon's theorem: In order to increase the communication capacity, the bandwidth can be increased. [0003] High frequency (hereinafter referred to as high frequency) has a lot of free spectrum to be developed, and the bandwidth is as high as 0.9GHz or more, which is more than 200 times that of the spectrum below 3GHz. The main characteristics of high frequency are directivity, large bandwidt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/06H04B7/08H04B1/7083
CPCH04B1/7083H04B7/0695H04B7/088H04B7/26H04W48/20
Inventor 谢赛锦刘文豪毕峰
Owner ZTE CORP
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