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Reduction of unnecessary downlink control channel reception and decoding

A downlink and control channel technology, applied in the field of wireless communication systems, can solve the problems of CQI measurement, different structures of reference signals, non-existence, etc.

Active Publication Date: 2014-12-10
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0063] It should be further noted that the UE may not be able to measure CQI in MBSFN or blank subframes or during measurement gaps, since the reference signal may thus have a different structure or may not be present

Method used

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  • Reduction of unnecessary downlink control channel reception and decoding
  • Reduction of unnecessary downlink control channel reception and decoding
  • Reduction of unnecessary downlink control channel reception and decoding

Examples

Experimental program
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Embodiment approach

[0116] In accordance with these exemplary embodiments, the description of cqi-ReportingModeAperiodic is changed to include a definition that enables the RRC module 225 of the eNB 220 to explicitly signal to the RRC module 215 of the UE 210 that aperiodic CQI reporting has been disabled (e.g., with Signaling is off for occasional CQI reporting).

[0117] The second embodiment can be enabled by inserting descriptive text in the specification in the section describing the actions of the UE 210 upon receipt of a System Information Block type 2 (including possible MBSFN subframe allocations) accomplish.

[0118] In this regard, as an example only, reference is made to 3GPP 36.311, subclause 5.2.2.9, which may be modified as described in boldface type below:

[0119] 5.2.2.9 Actions upon receipt of SystemInformationBlockType2

[0120] When receiving SystemInformationBlockType2, the UE shall:

[0121] 1> If a (UE-specific) paging cycle is received (signaling details FFS):

[0122...

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Abstract

A method for channel signaling is described. The method includes determining (e.g., by a UE) whether at least one DL subframe is a valid reference resource. If the at least one DL subframe is not a valid reference resource, reporting measurements of a DL channel measured during the at least one DL subframe is inhibited. The method may include determining (e.g., by an eNB) whether reporting of the at least one DL subframe of a DL channel is required. If reporting is not required, a message configured to cause the at least one UE to inhibit reporting measurements of the DL channel (e.g., CQI measurements) measured during the at least one DL subframe is sent to the UE. Determining whether the at least one downlink subframe is a valid reference resource is based at least in part on the message. Apparatus and computer readable media are also described.

Description

technical field [0001] Exemplary and non-limiting embodiments in accordance with the present invention relate generally to wireless communication systems, methods, devices and computer programs, and more particularly to control channel signaling between network access nodes and mobile communication nodes. Background technique [0002] This section is intended to provide a background or context with respect to the invention that is recited in the claims. The description herein may include concepts that may be practiced but have not necessarily been previously conceived, implemented or described. Therefore, unless otherwise indicated herein, what is described in this section is not prior art to what is described and claimed in this application and is not admitted to be prior art by inclusion in this section. [0003] The following abbreviations that may be found in the description and / or illustrations of the drawings are defined as follows: [0004] 3GPP 3rd Generation Partn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04W52/02H04W72/14
CPCH04L1/0027H04W24/10H04W72/1289H04L1/0026H04W72/23H04B17/309H04L5/0053H04W72/21
Inventor H·M·科斯基南J·K·奥雅拉T·E·伦蒂拉
Owner NOKIA TECH OY