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Random access transmission method and terminal

A technology of random access and transmission method, applied in the field of communication, can solve the problem of inability to detect msgA and high complexity of msgA detection

Active Publication Date: 2020-06-12
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Embodiments of the present invention provide a random access transmission method and a terminal to solve the problem that the network device detects msgA with high complexity or cannot detect msgA during the random access process

Method used

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  • Random access transmission method and terminal
  • Random access transmission method and terminal
  • Random access transmission method and terminal

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Embodiment Construction

[0022] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0023] The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described...

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Abstract

The invention discloses a random access transmission method and a terminal. The method comprises the following steps: acquiring a sequence jump parameter of a demodulation reference signal DMRS of a physical uplink shared channel PUSCH; and sending a random access message according to the sequence jump parameter, the random access message corresponding to the PRACH and the PUSCH. Embodiments of the present invention, the invention discloses a random access method of a terminal. According to a sequence jump parameter of a DMRS of a PUSCH; according to the invention, the random access message issent according to the sequence jump parameter of the DMRS of the PUSCH, correspondingly, after the network equipment detects the lead code of the random access message, the random access message is demodulated according to the determined sequence jump parameter of the DMRS of the PUSCH, unnecessary blind detection is avoided, and the detection complexity of the network equipment is reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a random access transmission method and a terminal. Background technique [0002] Fifth generation (5 th Generation, 5G) mobile communication system, or New Radio (NR) system, needs to adapt to diverse scenarios and business requirements. The main scenarios of NR system include enhanced Mobile Broadband (eMBB) communication, large-scale IoT (massive Machine Type Communications, mMTC) communication and ultra-reliable and ultra-low latency communication (Ultra-Reliable and Low Latency Communications, URLLC). These scenarios put forward requirements for the system such as high reliability, low latency, large bandwidth, and wide coverage. For services that occur periodically and have a fixed packet size, in order to reduce the overhead of downlink control signaling, network devices can use semi-static scheduling to continuously allocate certain resources for the tra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08H04L5/00
CPCH04W74/0833H04L5/0048H04W74/08H04L5/00
Inventor 陈晓航
Owner VIVO MOBILE COMM CO LTD
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