US 2018/0323941 A1 · CONTROL CHANNEL SIGNALLING FOR TRIGGERING THE INDEPENDENT TRANSMISSION OF A CHANNEL QUALITY INDICATOR

Abstract

A communication apparatus has a receiver and a transmitter. The receiver, in operation receives a control signal including a Modulation and Coding Scheme (MCS) Index, a channel quality indicator (CQI) trigger and information indicating uplink resource blocks. The transmitter in operation, determines whether to multiplex an aperiodic CQI report with data in an uplink signal based on the MCS Index, the channel quality indicator trigger, the information indicating uplink resource blocks, and a threshold number of resource blocks, and transmits the uplink signal.

Claims24

Dependent claims

A method for providing control signaling in a communication system, comprising the following steps performed by a base station of the communication system:

generating a control channel signal comprising a transport format and a channel quality indicator trigger signal for triggering a transmission of a channel quality indicator by at least one terminal to the base station, and
transmitting the generated control channel signal to at least one terminal,
wherein said transport format is a predetermined format for user data transmission by the at least one terminal to the base station and said control channel signal indicates a predetermined mode for reporting the channel quality indicator to the base station, wherein the channel quality indicator transmission is to be triggered by the at least one terminal based on the channel quality indicator trigger signal.

A method for use in a communication system, said method comprising the following steps performed by a terminal of the communication system:

receiving, from a base station of the communication system, a frame of physical radio resources comprising a control channel signal destined to the terminal,
wherein the control channel signal comprises a predetermined transport format and a channel quality indicator trigger signal for triggering a transmission of a channel quality indicator by the terminal to the base station, wherein said transport format is a predetermined format for user data transmission by the at least one terminal to the base station and said control channel signal indicates a predetermined mode for reporting the channel quality indicator to the base station,
said method further comprising transmitting a channel quality indicator to the base station using the indicated predetermined mode, wherein the channel quality indicator transmission is triggered based on the channel quality indicator trigger signal.

Dependencies are inferred from the claim text.

Facts

Application

16/020,797Filed 27 Jun 2018

Priority

EP 08 008 539.26 May 2008

Published

8 Nov 2018

Term ends

Not estimatedThe source records don’t support an estimate.

Classification23 codes

H04L 5/0057
Allocation of signalling, i.e. of overhead other than pilot signals: physical resource allocation for CQI
H04B 7/0617
Of weighted versions of same signal: for beam forming
H04L 1/0026
Characterised by the signalling: transmission of channel quality indication
H04L 1/0027
Characterised by the signalling: scheduling of signalling, e.g. occurrence thereof

Family

Application12/989,017Continuation · filed 29 Dec 2010

Application13/743,707Continuation · filed 17 Jan 2013

Application14/457,924Continuation · filed 12 Aug 2014

Application14/818,096Continuation · filed 4 Aug 2015

Application15/205,996Continuation · filed 8 Jul 2016

Application16/020,797Continuation

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