Space-time and space-frequency hopping for capacity enhancement of mobile data systems

R Narasimhan, PB Wong, SB Scherzer, J Wu - US Patent 7,016,649, 2006 - Google Patents
BACKGROUND The wireleSS telecommunications market has experienced an enormous
Subscriber growth in recent years, with no Signs of slowing. It is therefore becoming more …

Wireless base station and packet transfer apparatus for dynamically controlling data transmission rate

K Yoshida, H Aoe, S Miyazaki, S Kozawa… - US Patent …, 2006 - Google Patents
2002-04-18 Assigned to HITACHI, LTD. reassignment HITACHI, LTD. RE-RECORD TO
CORRECT FIFTH ASSIGNOR'S NAME PREVIOUSLY RECORDED AT REEL/FRAME …

Method and system for switching antenna and channel assignments in broadband wireless networks

G Xing, M Shen, H Liu - US Patent 8,797,970, 2014 - Google Patents
A method and apparatus for antenna switching, grouping, and channel assignments in
wireless communication systems. The invention allows multiuser diversity to be exploited …

Method and system for adapting a wireless link to achieve a desired channel quality

PK Sebastian - US Patent 7,529,548, 2009 - Google Patents
Wireless communications systems use multiple access 15 protocols to enable wireless
communications between base transceiver stations and multiple Subscriber units. Typically …

Methods and systems for transmission mode selection in a multi channel communication system

I Medvedev, JW Ketchum, JR Walton - US Patent 8,619,620, 2013 - Google Patents
Techniques to select a suitable transmission mode for a data transmission in a multi channel
communication system with multiple spatial channels having varying SNRS are presented in …

Method and system for multi-cell interference reduction in a wireless communication system

G Xu - US Patent 7,151,755, 2006 - Google Patents
A method and system for multi-cell interference reduction in a wireless communication
system is disclosed. The present disclosure describes a new method and system for …

OFDMA with adaptive subcarrier-cluster configuration and selective loading

X Li, H Liu, K Li, W Zhang - US Patent 9,191,138, 2015 - Google Patents
A method and apparatus for allocating subcarriers in an orthogonal frequency division
multiple access (OFDMA) system is described. In one embodiment, the method comprises …

Method and apparatus for scheduling and modulation and coding selection for supporting quality of service in transmissions on forward shared radio channels

LA Hsu, MW Cheng, G Mandyam - US Patent 6,901,046, 2005 - Google Patents
The invention is a process and system for controlling selection of which MS is to receive the
next packet data transmission on a forward channel and selection of which plural MCS is to …

Transmitting/receiving apparatus and method for packet data service in a mobile telecommunication system

YK Cho, JS Jang - US Patent 7,283,559, 2007 - Google Patents
There are provided a transmitting/receiving apparatus and method for packet data service in
a mobile telecommunica tion system. To determine the transmission format of packet data …

Multi-carrier communications with group-based subcarrier allocation

X Li, H Liu, H Yin, G Xing, F Mu - US Patent 7,933,244, 2011 - Google Patents
A method and apparatus for subcarrier selection for systems is described. In one
embodiment, the system employs orthogonal frequency division multiple access (OFDMA) …