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Soft buffer management method and device based on user equipment category in communication network

A technology of user equipment category and equipment category, applied in wireless communication, error prevention/detection through diversity reception, error prevention/detection using return channel, etc., can solve channel coding damage, user equipment cannot receive data, code protection Inefficiency, etc., to increase effectiveness, improve coverage, and avoid disruption

Active Publication Date: 2019-02-19
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can cause user equipment and base station to use different soft buffer sizes, which leads to channel coding corruption since rate matching in base station and user equipment will be done according to different soft buffer sizes
As a result, the user equipment will not be able to receive data on the PDSCH
Encoding protection will not work as the encoded bits will be inserted in the wrong place

Method used

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  • Soft buffer management method and device based on user equipment category in communication network
  • Soft buffer management method and device based on user equipment category in communication network
  • Soft buffer management method and device based on user equipment category in communication network

Examples

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Embodiment Construction

[0068] Figure 6 A communication network 600 is depicted in which embodiments herein may be implemented. In some embodiments, communication network 600 is applicable to one or more radio access technologies, such as LTE, LTE-Advanced, WCDMA, GSM, Worldwide Interoperability for Microwave Access (WiMAX), or any other 3GPP radio access technology .

[0069] The communication network 600 comprises a base station 603 serving a cell. The base station 603 may be a base station such as a Node B, eNodeB, or any other network element capable of communicating over a radio carrier 604 with user equipment 605 present in a cell. Base station 603 may be LTE Release 8 / 9 or LTE Release 10. In some figures, base station 603 may be referred to as a BS.

[0070] User equipment 605 may be any suitable communication device or computing device having communication capabilities capable of communicating with a base station over a radio channel, such as, but not limited to, a mobile phone, smart ph...

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Abstract

Embodiments herein relate to a method in a user equipment (605) for communicating with a base station (603) in a communication network (600). The user equipment (605) is configured to communicate with the base station (603) according to selectable at least two user equipment categories. If information indicating one of at least two user equipment categories is received from the base station (603), the user equipment (605) selects which one of these user equipment categories. If no information indicating which of the user equipment categories is received from the base station (603), the user equipment (605) selects a default value of the user equipment category. The user equipment (605) determines the soft buffer size according to the selected user equipment class. The user equipment (605) communicates with the base station (603) according to the selected user equipment category and applies the determined soft buffer size.

Description

technical field [0001] The embodiments herein generally relate to a user equipment and a method in the user equipment, and to a base station and a method in the base station. More particularly, embodiments herein relate to communications in a communications network. Background technique [0002] In a typical cellular radio system, wireless terminals communicate with one or more core networks (CN) via a radio access network (RAN). Wireless terminals are also known as mobile stations and / or user equipment (UE), such as mobile phones, cellular phones, smartphones, tablet computers and laptops with wireless capabilities. For example, a user device may be a portable, portable storage, handheld, computer built-in, or vehicle mounted mobile device that communicates voice and / or data via the RAN. In the following the term user equipment is used when referring to wireless terminals. [0003] The RAN covers a geographical area via cells, where each cell consists of a base station (...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/06H04L1/18
CPCH04L1/1835H04L1/0079H04L1/1819H04L1/1864H04L1/1896H04L49/9005H04W88/06
Inventor D.格斯滕贝格尔D.拉森K-E.苏内尔H.维曼
Owner TELEFON AB LM ERICSSON (PUBL)
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