Title:
DOWNLINK CONTROL INFORMATION TRANSMISSION METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/227432
Kind Code:
A1
Abstract:
The present application provides a downlink control information transmission method and a device, pertaining to the technical field of communications and improving the accuracy of channel estimation. The method comprises: allocating P resource element groups (REG), the P REGs comprising M REG sets, and each of the M REG sets comprising K REGs occupying consecutive resource elements in a frequency domain, where M ≥ 1, K ≥ 2, P ≥ MK, and M and K are integers; and sending DCI and a dedicated pilot signal on the P REGs, the dedicated pilot signal being carried on at least one RE of each REG of the P REGs.
Inventors:
ZHANG RUIQI (CN)
Application Number:
PCT/CN2018/089365
Publication Date:
December 05, 2019
Filing Date:
May 31, 2018
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04W72/04; H04W88/02; H04W88/08
Foreign References:
| CN102469589A | 2012-05-23 | |||
| CN102638892A | 2012-08-15 | |||
| US20140301346A1 | 2014-10-09 |
Other References:
HUAWEI ET AL.: "On PDCCH-CCE-REG Mapping and REG Bundle", 3GPP TSG RAN WG1 MEETING #90, R1-1712181, 12 August 2017 (2017-08-12), XP051314998
Attorney, Agent or Firm:
CHINABLE IP (CN)
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