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Preamble Detection in Wireless Networks

A technology of wireless network and detection process, applied in the field of detection lead, which can solve problems such as parallel transmission discarding

Active Publication Date: 2022-06-07
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

at least one of the parallel transmissions is discarded if a first calculated transmission power comprising a plurality of transmission powers exceeds a first value

Method used

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  • Preamble Detection in Wireless Networks
  • Preamble Detection in Wireless Networks
  • Preamble Detection in Wireless Networks

Examples

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Embodiment Construction

[0050] The following examples are examples. Although the specification may refer to "an," "one," or "some" embodiments in several places, this does not necessarily mean that each such reference is to the same (multiple ) embodiment, or the feature applies to only a single embodiment. Individual features of different embodiments may also be combined to provide other embodiments. Furthermore, the words "comprising" and "including" should be understood as not to limit the described embodiments to the inclusion only of the features already mentioned, and such embodiments may also contain not specifically mentioned Features / Structure.

[0051] In the following, different exemplary embodiments will be described using a radio access architecture based on Long Term Evolution Advanced (LTE-Advanced, LTE-A) or New Radio (NR, 5G) as an example of an access architecture to which the embodiments may be applied. , the embodiments are not limited to this architecture. Those skilled in th...

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Abstract

This document discloses a solution for preamble detection. According to one aspect, a method comprises: transmitting a message to a first terminal device connected to an access node, the message instructing the terminal device to perform a random access procedure to the access node; during the random access procedure, from the first terminal The device receives a signal, the signal including a random access preamble; using the received signal as a training input in a random access preamble detection process; In detection, a random access preamble detection procedure trained using training inputs is used.

Description

technical field [0001] Various embodiments described herein relate to the field of wireless communications and, in particular, to detection of preambles at access nodes. Background technique [0002] Random access is a process in which a terminal device, usually disconnected from an access node of a wireless network, contacts an access node on a channel. Such random access procedures may be based on an access node defining a limited set of preambles, which are dedicated sequence "tickets" used during random access. The terminal device may select one of the preambles and transmit the preamble to the access node. The access node searches for a limited set of preambles and, upon detecting the preamble, responds to the terminal device with a random access response message. [0003] CN 110139392 discloses a multi-collision detection method for random access channel of LTE power wireless private network. The access detection unit performs operations on the acquired random acces...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08H04L5/00
CPCH04W74/0833H04L5/0048H04W74/0838H04W56/0045H04W74/002H04W74/0891
Inventor A·卡亚H·维斯瓦纳坦
Owner NOKIA TECH OY