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Method and apparatus for uplink resource assignment

A technology of link data and link transmission, applied in the direction of transmission modification based on link quality, allocation between users/terminals, multiple use of transmission paths, etc., can solve problems such as interference, and achieve the effect of improving performance

Active Publication Date: 2019-03-22
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this will cause unnecessary interference as the UE is forced to transmit on the entire assigned resource allocation (even though it may not need to)

Method used

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  • Method and apparatus for uplink resource assignment
  • Method and apparatus for uplink resource assignment
  • Method and apparatus for uplink resource assignment

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Embodiment Construction

[0030] In the following, different aspects will be described in more detail with reference to certain embodiments and with reference to the accompanying drawings. For purposes of explanation and not limitation, specific details are set forth, such as specific scenarios and techniques, in order to provide a thorough understanding of various embodiments. However, other embodiments may exist that depart from these specific details.

[0031] Embodiments are described with respect to an example scenario in E-UTRAN in a non-limiting general context, where the radio network node responsible for scheduling wireless terminals is the eNodeB sending uplink assignments to UEs. However, it should be noted that the embodiments can be applied to any radio access network technology with an uplink assignment procedure similar to that in E-UTRAN.

[0032] In traditional networks, the scheduler for the assignment of resources and transport formats has full control over UE resource allocation. ...

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Abstract

The present invention relates to a method for uplink transmission performed in a wireless terminal served by a radio network node of a wireless communication system, and a corresponding radio network node method. The method comprises receiving (410) an assignment for uplink transmission from the radio network node. The method also includes determining (420) alternative uses of the assignment based on the received assignment. Each alternate use is associated with a different DMRS. The method also includes selecting (430) a use from said assigned alternative uses, and applying (440) the selected use when sending uplink data to said radio network node. The method also includes sending (450) a DMRS associated with the selected usage.

Description

technical field [0001] The present disclosure relates to uplink resource assignments, more particularly to wireless terminals and radio network nodes, and methods for transmitting uplink data in response to received assignments and for decoding uplink data Methods. Background technique [0002] 3GPP Long Term Evolution (LTE) was developed under the 3rd Generation Partnership Project (3GPP) to improve the Universal Mobile Telecommunications System (UMTS) standard in response to improved services such as higher data rates, increased efficiency and reduced Cost) the fourth generation mobile communication technology standard for the future needs. Universal Terrestrial Radio Access Network (UTRAN) is a radio access network of UMTS, and Evolved UTRAN (E-UTRAN) is a radio access network of LTE system. In UTRAN and E-UTRAN, User Equipment (UE) is wirelessly connected to a Radio Base Station (RBS), often referred to as a Node B (NB) in UMTS and an Evolved NodeB (eNodeB) in LTE . ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04L27/26H04L1/00
CPCH04L1/0032H04L5/0033H04L5/0042H04L5/0046H04L5/0051H04L5/0091H04L1/0025H04L27/2613
Inventor 马丁·赫斯勒乔纳斯·弗洛伯格·奥尔森埃里克·埃里克松弗雷迪克·古纳尔森
Owner TELEFON AB LM ERICSSON (PUBL)