Multi-connection, non-simultaneous frequency diversity in radio communication systems

M Leabman - US Patent 7,263,335, 2007 - Google Patents
BACKGROUND In radio communication systems, such as, for example, mobile telephone
systems and Wireless netWorks, signals propagate through communication channels that …

Methods and apparatus for power control in multi-carrier wireless systems

X Li, K Li, T Lo, H Huang, J Meng - US Patent 8,031,686, 2011 - Google Patents
BACKGROUND Compared with Code-Division Multiple Access (CDMA) systems, Multi-
Carrier (MC) systems, such as Orthogonal Frequency Division Multiple Access (OFDMA) …

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

G **ng, M Shen, H Liu - US Patent 8,797,970, 2014 - Google Patents
5,267,261 A 11/1993 B1akeney, 11eta1. 6,026,123 A 2/2000 W11_11= 1ms 5,280,630 A
1/1994 Wang 6,037,898 A 3/2000 Par1sh et a1. 5,282,222 A 1/1994 Fattouche et a1 …

Network communication using diversity

BG Agee, MC Bromberg - US Patent 9,106,286, 2015 - Google Patents
US9106286B2 - Network communication using diversity - Google Patents US9106286B2 -
Network communication using diversity - Google Patents Network communication using diversity …

OFDM system with per subcarrier phase rotation

JS Sadowsky, S Levy, S Sandhu, K Holt - US Patent 7,447,268, 2008 - Google Patents
Subcarrier phase rotation is implemented in an OFDM transmitting apparatus to overcome
problems such as, for example, non-frequency selective multipath fading. In at least one …

Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns

JL Geer - US Patent 9,551,785, 2017 - Google Patents
(57) ABSTRACT A method for detecting an object, comprising the steps of defining expected
characteristics of scattered electromag netic radiation to be received at a receiver; …

Apparatus for calculating weights associated with a received signal and applying the weights to transmit data

BG Agee, MC Bromberg - US Patent 8,451,929, 2013 - Google Patents
US8451929B2 - Apparatus for calculating weights associated with a received signal and
applying the weights to transmit data - Google Patents US8451929B2 - Apparatus for calculating …

Adaptive time diversity and spatial diversity for OFDM

S Wu, W Tong, L Strawczynski - US Patent 7,336,601, 2008 - Google Patents
This application is a continuation application of US patent application Ser. No. 09/750,804 to
Shiquan Wu et al., filed Dec. 29, 2000 now US Pat. No. 6,985,434, and incorporates its …

Adaptive time diversity and spatial diversity for OFDM

S Wu, W Tong, L Strawczynski - US Patent 7,688,710, 2010 - Google Patents
An adaptable orthogonal frequency-division multiplexing system (OFDM) that uses a
multiple input multiple output (MIMO) to having OFDM signals transmitted either in accor …

Method for transmitting a digital data stream, transmitter, method for receiving a digital data stream and receiver

CK Ho, Y Wu, S Sun, Z Lei, HW Fung… - US Patent …, 2011 - Google Patents
(57) ABSTRACT A method for transmitting a digital signal is described, wherein the digital
signal is to be transmitted by a plurality of antennas and a 2-domain pre-transformation is …