Determination of channel condition indication

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United States of America Patent

PATENT NO 9793945
APP PUB NO 20170195973A1
SERIAL NO

15315306

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Abstract

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A method is provided of a wireless communication device operating in connection with a cellular communication system providing a serving cell and one or more interfering cells. A signal is received comprising symbols of the serving cell transmitted in a downlink channel and symbols of the one or more interfering cells and a first function of a signal-to-interference ratio of the received signal is calculated. One or more of the interfering cells are selected as dominant interfering cells based on a respective average power of reference symbols of the one or more interfering cells in the received signal, an average power of demodulated symbols of the serving cell in the received signal and a respective average power of demodulated symbols of each of the dominant interfering cells in the received signal are determined. A metric value is calculated based on the average power of demodulated symbols of the serving cell and on the respective average power of demodulated symbols of each of the dominant interfering cells, a channel condition indication is determined based on the metric value and the first function of the signal-to-interference ratio of the received signal, and the channel condition indication is transmitted to the cellular communication system, thereby providing downlink channel condition information to a network node. A method of creating a look-up table for mapping the first function and the metric value to the channel condition indication is also disclosed along with computer program products, arrangements and wireless communication devices corresponding to the methods.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)STOCKHOLM12205

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Patent Info (Count) # Cites Year
 
QUALCOMM INCORPORATED (4)
* 2006/0205,396 Methods and apparatus for implementing and using a rate indicator 54 2005
* 2010/0309,861 INTERFERENCE MITIGATION FOR DOWNLINK IN A WIRELESS COMMUNICATION SYSTEM 55 2010
* 2011/0170,440 METHOD AND APPARATUS FOR DETECTING TRANSMISSION SIGNALS 10 2011
* 2015/0092,705 MEASUREMENT AND SIGNALING FOR NETWORK ASSISTANCE TO ENABLE DATA-IC IN SMALL CELL CLUSTERS 1 2014
 
ALCATEL LUCENT (1)
2014/0029,448 Method And Apparatus For Improved Signal Processing In Wireless Networks 2 2012
 
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) (4)
* 2013/0202,063 Extending the Set of Addressable Interferers for Interference Mitigation 4 2012
* 2015/0156,670 Method and Apparatus for Equalization Processing in a Wireless Communication Receiver 1 2013
* 2015/0117,327 Method and Apparatus for Communication Link Adaptation for Interference-Canceling Receivers 2 2014
* 2016/0197,693 Selective Interference Cancellation in the Range-Expansion Region of a Heterogeneous Network 2 2014
 
ERICSSON INC. (1)
* 2002/0044,614 Methods and systems for reducing interference using co-channel interference mapping 64 2001
 
NOKIA TECHNOLOGIES OY (1)
* 2008/0260,012 Receiver and receiving method 4 2007
 
SBC TECHNOLOGY RESOURCES, INC. (1)
* 2003/0118,131 Joint demodulation using a viterbi equalizer having an adaptive total number of states 3 2001
 
InterDigital Technology Corporation (1)
2004/0093,178 Method and apparatus for determining signal-to-interference ratio with reduced bias effect 2 2003
 
MOTOROLA SOLUTIONS, INC. (1)
2013/0272,436 METHODS AND APPARATUS FOR MITIGATING INTERFERENCE BETWEEN CO-LOCATED COLLABORATING RADIOS 3 2012
 
INTERDIGITAL PATENT HOLDINGS, INC. (1)
2012/0257,568 Systems And Methods For Uplink Feedback For High-Speed Downlink Packet Access (HSPDA) 19 2011
 
ICERA INC. (2)
* 2011/0032,837 SYNCHRONOUS CDMA COMMUNICATION SYSTEM 10 2010
* 2012/0300,765 CELLULAR COMMUNICATIONS SYSTEM 2 2011
 
WSOU INVESTMENTS, LLC (1)
* 6215827 System and method for measuring channel quality information in a communication system 90 1998
 
APPLE INC. (1)
2013/0128,820 METHOD AND APPARATUS FOR DETERMINING CHANNEL QUALITY INDEX IN MULTIPLE USER-MIMO COMMUNICATION NETWORKS 9 2010
 
MARVELL INTERNATIONAL LTD. (1)
* 9119082 Reference signal design for interference measurement 3 2013
 
LG ELECTRONICS INC. (2)
* 2015/0372,779 METHOD FOR TRANSMITTING SUPPORT INFORMATION FOR REMOVING INTERFERENCE OF TERMINAL, AND SERVING CELL BASE STATION 5 2014
* 2016/0135,194 METHOD FOR CHANNEL STATE REPORT IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR 5 2014
* Cited By Examiner

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