Pre-coding in multi-user MIMO
S Shattil - US Patent 9,485,063, 2016 - Google Patents
In a multi-user communication system, a pre-coder in a transmitter comprises a Discrete
Fourier Transform (DFT) spreader configured to spread reference-signal symbols with …
Fourier Transform (DFT) spreader configured to spread reference-signal symbols with …
Spreading and precoding in OFDM
S Shattil - US Patent 9,628,231, 2017 - Google Patents
An OFDM transmitter spreads original data symbols with a complex-valued spreading matrix
derived from a discrete Fourier transform. Spread data symbols are mapped to OFDM …
derived from a discrete Fourier transform. Spread data symbols are mapped to OFDM …
System and methods for planned evolution and obsolescence of multiuser spectrum
SG Perlman, A Forenza - US Patent 10,425,134, 2019 - Google Patents
A system and method are described which enable planned evolution and obsolescence of
multiuser wireless spectrum. One embodiment of such a system includes one or multiple …
multiuser wireless spectrum. One embodiment of such a system includes one or multiple …
Distributed software-defined radio
S Shattil - US Patent 10,355,720, 2019 - Google Patents
A software defined radio (SDR) virtualizes physical-layer processing operations of a radio
access network (RAN) communication standard. The SDR comprises multiple components …
access network (RAN) communication standard. The SDR comprises multiple components …
Multiple-input multiple output system and method
Q Sun, WJ Choi, JM Gilbert, AM Tehrani - US Patent 7,616,698, 2009 - Google Patents
A multiple-input multiple-output (MIMO) system can transmit on multiple antennas
simultaneously and receive on multiple antennas simultaneously. Unfortunately, because a …
simultaneously and receive on multiple antennas simultaneously. Unfortunately, because a …
Method and apparatus for selectively applying interference cancellation in spread spectrum systems
AP Narayan, ES Olson, P Jain - US Patent 7,787,518, 2010 - Google Patents
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et al. 4,856,025 A 8, 1989 Takai 6,175,587 B1 1/2001 Madhow et al. 4,893,316 A 1/1990 …
Increasing the range of access point cells for a given throughput in a downlink of a wireless local area network
A Kuzminskiy - US Patent 7,599,714, 2009 - Google Patents
The present invention provides a method and an apparatus may increase or extend the
range of wireless communication cells for a given throughput in a downlink of a wireless …
range of wireless communication cells for a given throughput in a downlink of a wireless …
Pre-coding in multi-user MIMO
S Shattil - US Patent 10,200,227, 2019 - Google Patents
US10200227B2 - Pre-coding in multi-user MIMO - Google Patents US10200227B2 - Pre-coding
in multi-user MIMO - Google Patents Pre-coding in multi-user MIMO Download PDF Info …
in multi-user MIMO - Google Patents Pre-coding in multi-user MIMO Download PDF Info …
Method and system for a remote downlink transmitter for increasing the capacity and downlink capability of a multiple access interference limited spread-spectrum …
DB Kilfoyle, TH Slocumb III, S Carson - US Patent 7,535,867, 2009 - Google Patents
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Adaptive beam forming with multi-user detection and interference reduction in satellite communication systems
D Zheng, PD Karabinis - US Patent 7,813,700, 2010 - Google Patents
Satellite communications methods include receiving communications signals including co-
channel interference at a space-based component from a plurality of wireless terminals in a …
channel interference at a space-based component from a plurality of wireless terminals in a …