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Transmission method and device for downlink receiving beam training signal

A technology for receiving beams and training signals, applied in the field of transmission methods and devices for downlink receiving beam training signals, capable of solving problems such as no downlink receiving beam training methods

Active Publication Date: 2018-02-23
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0024] In the existing communication system, there is no trigger-based downlink receiving beam training method

Method used

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  • Transmission method and device for downlink receiving beam training signal
  • Transmission method and device for downlink receiving beam training signal
  • Transmission method and device for downlink receiving beam training signal

Examples

Experimental program
Comparison scheme
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no. 1 example

[0103] Such as Figure 4 As shown, the first embodiment of the present invention provides a method for transmitting a downlink receiving beam training signal, including:

[0104] Step 41, receiving the downlink reception beam training trigger notification message sent by the base station;

[0105] Specifically, the downlink receive beam training trigger notification message sent by the base station may be received through downlink control information (DCI) or dedicated trigger signaling or other information blocks; wherein, the DCI may be an uplink access grant DCI or a downlink access Admission to DCI;

[0106] In addition, the downlink receive beam trigger notification message includes but is not limited to the following:

[0107] A) Whether there is indication information of a downlink receiving beam training signal; and / or

[0108]B) the time-frequency position of the downlink receiving training signal, for example, the occupied OFDM symbol, the start time, etc.;

[01...

no. 2 example

[0119] Such as Figure 5 As shown, the second embodiment of the present invention provides a method for transmitting a downlink receiving beam training signal, including:

[0120] Step 51: Send a downlink receiving beam training request message to the base station; the terminal may also send to the base station the number of downlink receiving beams of the terminal or the number of downlink receiving beams that need to be trained, and the base station according to the number of downlink receiving beams or The number of downlink receiving beams that need to be trained determines the number of downlink receiving beam training signals; here the terminal can not only send a downlink receiving beam training request message to the base station, but also send the number of downlink receiving beams of the terminal to the base station or the required The number of downlink receiving beams to be trained; it is also possible to only send a downlink receiving beam training request message...

no. 3 example

[0141] Such as Figure 6 As shown, the third embodiment of the present invention provides a method for transmitting a downlink receiving beam training signal, including:

[0142] Step 61, sending a downlink receive beam training request message to the base station; wherein, this step is optional; the terminal may also send the number of downlink receive beams of the terminal or the number of downlink receive beams to be trained to the base station, the base station According to the number of downlink receiving beams or the number of downlink receiving beams that need to be trained, determine the number of downlink receiving beam training signals; here, the terminal can send a downlink receiving beam training request message to the base station, and send the terminal to the base station The number of downlink receiving beams or the number of downlink receiving beams that need to be trained; it can also only send a downlink receiving beam training request message to the base sta...

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PUM

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Abstract

The invention provides a transmission method and device for a downlink receiving beam training signal. A transmission method of a second device comprises the steps of receiving a downlink receiving beam training trigger notification message sent by a first device; and receiving, according to the downlink receiving beam training trigger notification message, a downlink receiving beam training signal sent by the first device so as to perform downlink receiving beam training. A sending method of the first device comprises the steps of determining to perform downlink receiving beam training on a terminal, then sending a downlink receiving beam training trigger notification message to the second device; and sending the downlink receiving beam training trigger notification message to the seconddevice, then sending a downlink receiving beam training signal to the second device. Through adoption of the transmission method and device for the downlink receiving beam training signal, downlink receiving beam training is performed by the second device based on a first device trigger manner.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a transmission method and device for downlink receiving beam training signals. Background technique [0002] In view of the important role of MIMO (Multiple Input Multiple Output) technology in improving peak rate and system spectrum utilization, wireless access technology standards such as LTE (Long Term Evolution, Long Term Evolution) / LTE-A (LTE-Advanced, upgraded LTE) They are all built on the basis of MIMO+OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) technology. [0003] The performance gain of MIMO technology comes from the spatial freedom obtained by multi-antenna systems. Therefore, one of the most important evolution directions of MIMO technology in the standardization development process is the expansion of dimensions. [0004] In LTE Rel-8, up to 4 layers of MIMO transmission can be supported. [0005] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/08
CPCH04B7/088H04B7/0695H04B7/0408H04B7/08H04B7/0851
Inventor 黄秋萍高秋彬陈润华李辉塔玛拉卡·拉盖施宋扬苏昕杨宇王蒙军李传军
Owner DATANG MOBILE COMM EQUIP CO LTD
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