One method of operation includes beamforming a plurality of microphone outputs to obtain a
plurality of virtual micro phone audio channels. Each virtual microphone audio chan nel …

2004/0192398 A1 9, 2004 Zhu 2011/0080969 A1 4/2011 Jongren et al. 2005/0124393 Al
6/2005 Nuovo et al. 2011/011643.6 A1 5/2011 Bachu et al. 2005/0134456 Al 6/2005 Niu et …

BACKGROUND [0002] In Wireless communication systems, transmission techniques
involving multiple antennas are often categorized as open-loop or closed-loop depending …

(57) ABSTRACT A method for configurable spatial channel information feed back in wireless
communication systems is disclosed includ ing receiving, at the wireless communication …

The IEEE 802.11 ax for Wireless Local Area Network (WLAN), one of the most important
wireless networks, will be released in 2020. In recent years, ultra-high definition video …

Apparatus and methods are provided for TDM uplink transmission on multiple serving cells
with single transmitter. In one novel aspect, the UE selects a serving cell for an UL …

A method includes configuring a transmitter and a receiver with first precoding matrices for
mapping onto N transmit antenna ports of the transmitter R1≦ N data streams. Each first …

(57) ABSTRACT A method for communication includes receiving at a receiver from a group
of two or more transmitters multiple Radio Frequency (RF) transmission beams that alternate …

H0474/02(2009.01)(57) ABSTRACT H04. 736/00(2009.01) H04. 736/08(2009.01) A method
performed by an apparatus includes Scanning at GOIS 3/38(2006.01) least one of multiple …

A method for two component feedback in wireless communication systems is disclosed, with
a wireless communication device sending a first representation of a first matrix chosen from …