Method and device for hierarchical beam access

An access method and beam technology, applied in the field of communication, can solve problems such as inability to efficiently obtain optimal beams

Active Publication Date: 2020-03-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] The present invention provides a hierarchical beam access method and device to at least solve the problem in the related art that the first node or the second node cannot efficiently obtain the optimal beam

Method used

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  • Method and device for hierarchical beam access
  • Method and device for hierarchical beam access
  • Method and device for hierarchical beam access

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0200] Figure 9 is a schematic diagram of a two-stage beam group access training process according to an embodiment of the present invention, as shown in Figure 9 As shown, the first node uses the first-level downlink transmission beam group to transmit a channel and / or signal with beam characteristics, and the channel and / or signal information is used for identification, synchronization, indication of access configuration information, and notification of downlink transmission beams At least one of the system configuration information, the first-level downlink sending beam group includes at least one first-level downlink beam. The indicated access configuration information includes at least one of time-frequency code resources of the first level uplink transmit beam group, uplink access signal and / or channel transmit power indication information.

[0201] The second node detects, on the predefined or configured time-frequency code resources, the channel and / or signal with b...

Embodiment 2

[0221] The first node uses N downlink sending beams to send at least one of the following signals and channels on the carrier: a synchronization signal, a downlink discovery signal, downlink system information, and uplink access configuration information. The N beams can meet the above basic channel coverage area requirements of the first node. The discovery signal is used to indicate the transmission beam used by the first node on the resource corresponding to the second node.

[0222] The N downlink beams form a first-level downlink sending beam group.

[0223] Optionally, the synchronization signal may be used to indicate the transmission beam used by the first node on the resource corresponding to the second node, and in this case, the first node does not need to additionally send a discovery signal.

[0224] Optionally, the downlink system information may be used to indicate to the second node the downlink transmission beam used by the first node on the corresponding res...

Embodiment 3

[0257] In Embodiment 1 and Embodiment 2, when the second node feeds back the index information of each beam in the second-level downlink transmission beam group, it may carry the quality indication information or correlation information corresponding to each beam in the second-level downlink transmission beam group. The priority information is used to indicate channel quality information and / or priority information corresponding to each beam in the second-level downlink beams of the first node. The first node may select the optimal one or more downlink transmission beams according to the corresponding quality information and / or priority information using a predefined or configured principle to form a first-level downlink transmission beam group.

[0258] In Embodiment 1 and Embodiment 2, when the first node indicates to the second node the index information of each beam in the second-level uplink transmission beam group, it may carry the quality of each beam in the second-level...

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PUM

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Abstract

Disclosed are a hierarchical beam access method and apparatus. The method comprises: a first node sends related signals and / or channels in a downlink access process by using at least two stages of beam groups, each beam group being formed by one or more beams. By means of the present invention, the problem in the related art that a first node or a second node cannot efficiently acquire an optimal beam is solved, and different signal-to-noise ratios can be provided for a channel and a signal, thereby providing a more reliable and rapider access process.

Description

technical field [0001] The present invention relates to the communication field, in particular to a hierarchical beam access method and device. Background technique [0002] In high-frequency communication, since a higher carrier frequency is used for transmission, the average path loss will be much larger than that of the traditional Long term evolution advanced system (LTE-Advanced for short). For example, we use 28GHz Carrier frequency for transmission, using the formula: [0003] [0004] The calculated average ratio information of the high-frequency path loss value and the LTE path loss value is: [0005] [0006] In order to ensure coverage in high-frequency communication, that is, the receiving side meets the minimum Signal to Interference plus Noise Ratio (Signal to Interence plus Noise Ratio, referred to as SINR) requirement, it is necessary to increase the gain of the transmitter and receiver. [0007] [0008] Among them, R is the radius covered by the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/0408H04W72/04
CPCH04B7/005
Inventor 肖华华毕峰郭森宝
Owner ZTE CORP
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