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Access method and related equipment

An access method and network equipment technology, applied in the field of access methods and related equipment, can solve problems such as unreceived access and terminal device access failure, and achieve the effect of avoiding access failure and improving access success rate

Pending Publication Date: 2022-03-29
SHANGHAI HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If PRB2 and PRB3 are different PRBs, the terminal equipment will not be able to receive the msg4 sent by the base station for retransmission, and will not reply ACK about msg4 again until msg4 reaches the maximum number of retransmissions of the base station or exceeds the contention resolution timer in the base station. time, causing the terminal device to fail to access

Method used

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  • Access method and related equipment
  • Access method and related equipment
  • Access method and related equipment

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Embodiment Construction

[0042] The following describes the embodiments of the present application with reference to the accompanying drawings. Those skilled in the art will know that with the development of technology and the emergence of new scenarios, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.

[0043] The terms "first", "second" and the like in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein.

[0044] In the embodiments of the present application, words such as "exemplary" or "for example" are used as examples, illustrations or illustrations. Any embodi...

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Abstract

The invention provides an access method and related equipment, after network equipment sends a competition resolution message to terminal equipment, if the network equipment confirms that a target ACK sent by the terminal equipment is not received on an uplink carrier, the network equipment sends a first uplink authorization message to the terminal equipment on a data transmission carrier. The terminal device may send a first message to the network device on the data transmission carrier according to the first uplink grant message. Thus, the network device can confirm whether the terminal device successfully solves the competition problem according to the first message received on the data transmission carrier, thereby avoiding access failure caused by missing detection of the target ACK, and improving the access success rate of the terminal device.

Description

technical field [0001] The embodiment of the present application relates to the communication field, in particular to an access method and related equipment. Background technique [0002] Narrowband Internet of Things (NB-IoT) is a technology that can be widely applied around the world, and it is also an important branch of the Internet of Everything. NB-IoT has the characteristics of wide coverage, multiple connections, fast speed, low cost, low power consumption, and excellent architecture. [0003] A terminal device with multi-carrier random access channel (random access channel, RACH) access capability selects an available physical random access channel (physical random access channel) between the anchor carrier and the uplink non-anchor carrier. Random access channel (PRACH) resources, that is, physical resource blocks (physical resource blocks, PRB), if the resource block selected by the terminal device is PRB1, then PRB1 corresponds to the downlink non-anchor point i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08H04L1/16H04L1/18H04L5/00
CPCH04W74/085H04L1/1607H04L1/1812H04L5/0055H04L5/0094H04L5/001H04W74/0841H04W72/21H04W72/23H04W74/006H04L1/1835H04W84/12H04W72/1268
Inventor 黄海
Owner SHANGHAI HUAWEI TECH CO LTD
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