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Information transmission method and apparatus

A technology for information transmission and indication information, applied in the field of communication

Active Publication Date: 2018-10-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This technical solution is no longer suitable for the needs of New Radio (NR) NR

Method used

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  • Information transmission method and apparatus
  • Information transmission method and apparatus
  • Information transmission method and apparatus

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Embodiment Construction

[0131] First of all, a brief introduction to the relevant technologies and related terms involved in this application is provided to facilitate understanding:

[0132] 1) Time domain resource for transmission control channel

[0133] In the LTE system, a channel is transmitted in units of a radio frame (radio frame). A radio frame includes 10 subframes (subframe), each subframe has a length of 1 millisecond (ms), and each subframe includes two time slots (slot), each slot is 0.5ms. The number of symbols included in each slot is related to the length of a cyclic prefix (cyclic prefix, CP) in the subframe. If the CP is a normal (normal) CP, each slot includes 7 symbols, and each subframe consists of 14 symbols. For example, each subframe can be composed of serial numbers #0, #1, #2, #3, # 4, #5, #6, #7, #8, #9, #10, #11, #12, #13 symbols. If the CP is a long (extended) CP, each slot includes 6 symbols, and each subframe consists of 12 symbols. For example, each subframe can b...

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Abstract

The embodiment of the application discloses an information transmission method and apparatus, and relates to the technical field of communication. According to the technical scheme, the influence of awave beam on information transmission is considered so that the system performance is enhanced. The method can include steps: obtaining a scrambled bit sequence according to beam indication information; modulating and mapping the scrambled bit sequence to a time frequency resource; and transmitting the scrambled bit sequence mapped to the time frequency resource to a terminal device through the wave beam indicated by the beam indication information.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to an information transmission method and device. Background technique [0002] In the long term evolution (LTE) system, the physical layer processing flow of the base station on the physical downlink control channel (PDCCH) includes: the base station performs channel coding, rate matching, scrambling, and modulation on the original data bits , cyclic shift, and resource mapping and other operations are sent out. This technical solution is no longer suitable for the requirements of New Radio (NR) NR. Contents of the invention [0003] The present application provides an information transmission method and device, which considers the influence of a beam on at least one of a scrambling operation and a cyclic shift operation, thereby improving system performance. [0004] In order to improve the effect of randomization and reduce the interf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/28H04J11/00
CPCH04J11/0056H04W16/28
Inventor 管鹏
Owner HUAWEI TECH CO LTD
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