Cqi feedback for mimo deployments

B Varadarajan, E Onggosanusi - US Patent App. 11/759,221, 2008 - Google Patents
The present disclosure provides a receiver, a transmitter and methods of operating a
receiver and a transmitter. In one embodiment, the receiver includes a receive portion …

Method and apparatus for feedback error detection in a wireless communications systems

A Das, FU Khan, A Sampath, HJ Su - US Patent 7,116,944, 2006 - Google Patents
Errors in closed loop transmit diversity (CLTD) feedback signaling may be detected and/or
corrected by a mobile station, according to aspects of the present invention, based on …

Multiple spatial channel transmission with rate control

Y Sun - US Patent 9,634,743, 2017 - Google Patents
Abstract A MIMO ARC transmitter derives demux streams (15, 20) carrying different parts of
the information, at given data rates, processes each demux stream by coding and …

Method for efficient CQI feedback

JH Kotecha - US Patent 8,509,160, 2013 - Google Patents
In a closed-loop wireless communication system (300), chan nel-side information—such as
CQI information, rank adap tation information or MIMO codebook selection informa tion is fed …

Method and apparatus for efficient precoding information validation for MIMO communications

KJL Pan - US Patent 9,716,604, 2017 - Google Patents
(57) ABSTRACT A method and apparatus for efficient precoding matrix verification in a
multiple-input multiple-output MIMO wire less communication system are disclosed. A …

Multipath interference-resistant receivers for closed-loop transmit diversity (CLTD) in code-division multiple access (CDMA) systems

EN Onggosanusi, AG Dabak - US Patent 7,961,774, 2011 - Google Patents
Abstract System and method for providing interference resistance in communications
systems using closed-loop transmit diversity (CLTD). A preferred embodiment comprises: at …

Pre-coder selection based on resource block grouping

EN Onggosanusi, B Varadarajan… - US Patent 10,044,532, 2018 - Google Patents
The present invention provides a receiver. In one embodiment, the receiver includes a
receive portion employing transmission signals from a transmitter having multiple antennas …

Apparatus and method for transmitting/receiving channel quality information in a communication system

J Cho, SY Yoon, JH Chang, JH Jang, PY Joo… - US Patent …, 2009 - Google Patents
This application claims the benefit under 35 USC S 119 (a) of applications filed in the
Korean Intellectual Property Office on Jan. 5, 2005 and assigned Serial No. 2005-998, and …

Method and apparatus for requesting and reporting channel quality information in mobile communication system

CS Yoon, JH Kim, KM Yeo, SY Lim, BH Ryu - US Patent 7,813,291, 2010 - Google Patents
Disclosed is a method and device for requesting and reporting channel quality information in
a mobile communication system. A base station a locates a dedicated feedback channel for …

Beamspace-time coding based on channel quality feedback

AF Naguib - US Patent 8,670,504, 2014 - Google Patents
Methods and apparatus for increasing diversity gain at a receiver by applying beam forming
to transmit diversity space-time coded signals. A transmit signal is space-time coded over a …