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Beam quantity indication method and device

A beam and number technology, applied in the field of beam number indication, can solve problems such as high overhead and resource waste, and achieve the effect of reducing system overhead

Active Publication Date: 2018-07-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Because the reference signal is designed according to a maximum of 8 beams in the prior art, when the number of beams is less than 8, 8 REs are still needed to transmit different beam reference signals, resulting in waste of resources
[0006] Since the number of beams sent by each base station is different at the same time, if the reference signal is designed according to the maximum number of beams, it will bring a lot of overhead

Method used

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  • Beam quantity indication method and device
  • Beam quantity indication method and device
  • Beam quantity indication method and device

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Embodiment Construction

[0044] The terminal equipment involved in the embodiment of the present invention can communicate with one or more core networks via a radio access network (Radio Access Network, RAN), and the terminal equipment can refer to an access terminal, a subscriber unit, a subscriber station, a mobile station, or a mobile station , a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or a user device. The access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant, referred to as "PDA"), handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, user devices in future 5G networks, etc.

[0045]The network device involved in the embodiment of the present invention can be used to communicate...

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Abstract

The invention discloses a beam quantity indication method and device. The method comprises the following steps: network equipment generates at least one symbol, wherein at least one symbol comprises afirst resource block and a second resource block; the first resource block carries a beam reference signal BRS, and the second resource block carries beam quantity indication information; and the network equipment sends at least one symbol, thereby facilitating the terminal equipment to detect the BRS according to the beam quantity. And the system expenditure is reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for indicating the number of beams. Background technique [0002] In order to meet the large-capacity requirements of the next-generation communication system, a high-frequency frequency band greater than 6 GHz is introduced for communication to utilize large bandwidth and high-speed transmission. It is the fifth generation mobile communication system (5 th -Generation, 5G) is one of the hot research technologies. Due to the high path loss of high-frequency communication, narrow beams are required to ensure the propagation distance and high beam gain. However, the coverage of narrow beams is limited. In order to ensure communication quality, narrow beam alignment is required between network equipment and terminal equipment. Network devices can send synchronization signals and broadcast signals through beam scanning, which are used to implement ...

Claims

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Application Information

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IPC IPC(8): H04L5/00H04B7/0408
CPCH04B7/0408H04L5/0048
Inventor 黄煌李赛楠陈磊
Owner HUAWEI TECH CO LTD