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Communication method, terminal and network device

A technology for network equipment and communication methods, applied in the fields of communication methods, terminals and network equipment, can solve the problems of inability to calculate PRACH resources t_id and f_id, inability to complete random access, inability to determine RA-RNTI, etc.

Pending Publication Date: 2021-03-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the terminal cannot calculate the t_id and f_id of each PRACH resource, so when the terminal receives PDCCH signaling across sub-bands and / or sub-slots, it cannot calculate the t_id and f_id of the PRACH resource that sends the preamble, so it cannot be determined out of RA-RNTI, so that the PDCCH signaling used to schedule RAR cannot be received through RA-RNTI, so that random access cannot be completed

Method used

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  • Communication method, terminal and network device
  • Communication method, terminal and network device
  • Communication method, terminal and network device

Examples

Experimental program
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Embodiment Construction

[0088] The application will be described in further detail below in conjunction with the accompanying drawings.

[0089] Embodiments of the present application can be applied to various mobile communication systems, for example: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced long term evolution (LTE-A) system, general mobile communication system (Universal Mobile Telecommunication System, UMTS), evolved Long Term Evolution (eLTE) system, NR system and other mobile communication systems.

[0090] figure 1 A schematic diagram of a system network applicable to the embodiment of the present application is shown. Such as figure 1 As shown, at least one terminal 10 communicates with a radio access network (Radio access network, RAN). The RAN includes at leas...

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Abstract

The invention discloses a communication method, a terminal and a network device, and the method comprises the steps that the terminal determines a first identification according to a resource index number of a first resource, the resource index number of the first resource is preset or indicated by the network device, and the first resource is a resource used by the terminal for transmitting a random access lead code; wherein the first identifier is used for scrambling a first signaling, and the first signaling is used for scheduling a random access response in a random access process; and theterminal detects the first signaling according to the first identifier.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a communication method, terminal and network equipment. Background technique [0002] The random access radio network temporary identification number (Random Access Radio Network Tempory Identity, RA-RNTI) is a scheduling identifier, which is used to identify and address the random access response (Random Access Response, RAR) sent by the scheduling base station to the terminal Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH) signaling (order). In the Long Term Evolution (LTE) system, after the terminal sends the preamble (preamble) to the base station on the physical random access channel (Physical Random Access Channel, PRACH) resource, it needs to perform blind detection within the random access response window In the PDCCH signaling sent by the base station, a random access response window corresponds to a physical random ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W74/00H04W74/08
CPCH04W72/0466H04W74/004H04W74/006H04W74/0866H04W72/23H04W74/0833H04W74/0838
Inventor 刘星黄曲芳
Owner HUAWEI TECH CO LTD