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technology used to communicate data in radio communications

A technology of radio communication and radio link, which is applied in the technical field of transmitting data in radio communication, and can solve the problems of LTE carrier aggregation not providing reliability, extra delay, etc.

Active Publication Date: 2022-05-27
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the event of a transmission error and observed, retransmissions can introduce significant additional latency, which is not acceptable in the CMTC use case
Also, LTE Carrier Aggregation (CA) does not provide higher reliability even if the UE is connected to multiple eNBs

Method used

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  • technology used to communicate data in radio communications
  • technology used to communicate data in radio communications
  • technology used to communicate data in radio communications

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Embodiment Construction

[0068] In the following description, for purposes of explanation and not limitation, specific details are set forth, such as specific network environments, in order to provide a thorough understanding of the technology disclosed herein. It will be apparent to those skilled in the art that the technology may be practiced in other embodiments that depart from these specific details. Furthermore, while the following embodiments are primarily described with respect to 5G New Radio (NR) implementations, it is readily apparent that the techniques described herein may also be implemented in any other radio network, including 3GPP Long Term Evolution (LTE) or its successor, in accordance with standards Series IEEE 802.11 wireless local area network (WLAN) and / or IEEE802.15.4 based ZigBee.

[0069] Furthermore, those skilled in the art will appreciate that the functions, steps, units and modules explained herein may be used in conjunction with programmed microprocessors, application sp...

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PUM

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Abstract

Describes a technique for communicating data in radio communications. In one method aspect of the technology, data is received in at least two hybrid automatic repeat request (HARQ) processes (580, 582). For each of the at least two HARQ processes (580, 582), an error detection scheme is performed for the received data. for each of the at least two HARQ processes (580, 582), based on a logical combination (589) of results (585, 587) of error detection schemes for the at least two HARQ processes (580, 582) Send feedback (596, 598).

Description

technical field [0001] Generally, the present disclosure relates to techniques for communicating data in radio communications. More specifically, methods and apparatus for transmitting and receiving data in radio communications are provided. Background technique [0002] For some use cases such as critical machine type communications (CMTC), the reliability and latency of existing radio communication technologies are not adequate. CMTC is a subgroup that requires very low latency, very high reliability, and very high availability in a wide range of machine communication use cases. M. Weiner et al. in the paper "Design of a Low-Latency, High-Reliability Wireless Communication System for Control Applications" (IEEE ICC2014, Selected Areas in Communications, pp. 3835 to 3841) discuss the time and Latency and reliability. [0003] In existing radio communication protocols such as 3GPP Long Term Evolution (LTE), the physical (PHY) layer provides eg adaptive coding, modulation ...

Claims

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Application Information

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IPC IPC(8): H04L1/16H04L1/18H04L1/08H04L1/12
CPCH04L1/08H04L1/1607H04L1/1822H04L1/1858H04L2001/125H04L1/1812H04L5/0055
Inventor T.杜达J.萨克斯H.韦曼G.维克斯特龙
Owner TELEFON AB LM ERICSSON (PUBL)