Dual-mode shared OFDM methods/transmitters, receivers and systems

J Ma, W Tong, M Jia, P Zhu, DS Yu - US Patent 7,551,546, 2009 - Google Patents
A wireless terminal and network terminal are provided for implementing a new uplink OFDM
protocol. In the new protocol, the wireless terminal has a first transmit chain for generating …

Multi-carrier communications with group-based subcarrier allocation

X Li, H Liu, H Yin, G **ng, F Mu - US Patent 6,904,283, 2005 - Google Patents
US6904283B2 - Multi-carrier communications with group-based subcarrier allocation - Google
Patents US6904283B2 - Multi-carrier communications with group-based subcarrier allocation …

Transmission device, reception device and radio communication method

Y Murakami, S Takabayashi, M Orihashi… - US Patent …, 2010 - Google Patents
On a transmitting side, a spread modulated signal that has undergone spread spectrum
processing and an information modulated signal that has not undergone spread spectrum …

Multi-carrier communications with adaptive cluster configuration and switching

X Li, H Liu, W Zhang, K Li - US Patent 7,146,172, 2006 - Google Patents
6,064,692 A 5/2000 Chow......................... 375/219 6,064,694 A 5/2000 Clark et al. 375/224
6,067,290 A 5/2000 Paulraj et al. 370/329 6,108,374 A 8/2000 Balachandran et al …

Channel allocation in broadband orthogonal frequency-division multiple-access/space-division multiple-access networks

H Liu, H Yin, X Li, F Mu - US Patent 6,870,808, 2005 - Google Patents
299'347'455/450'507'509'517 A netWork is described. In one embodiment, the netWork (56)
References Cit ed comprises multiple subscriber units to communicate With the base station …

Base station identification in orthogonal frequency division multiplexing based spread spectrum multiple access systems

R Laroia, J Li, S Rangan, P Viswanath - US Patent 6,961,364, 2005 - Google Patents
A base station having the strongest downlink signal is identified by utilizing a unique slope
of a pilot tone hop** sequence being transmitted by a base station. Specifically, base …

Multi-carrier communications with group-based subcarrier allocation

X Li, H Liu, H Yin, G **, and channel assignments in
wireless communication systems. The invention allows multiuser diversity to be exploited …

Interference suppressing OFDM method for wireless communications

D Gerakoulis - US Patent 6,882,619, 2005 - Google Patents
A method for operating an IS-OFDM system for point-to-point wireless communications that
suppresses narrow-band interference comprises the steps of producing and transmitting an …

Interference suppressing OFDM system for wireless communications

D Gerakoulis - US Patent 7,158,474, 2007 - Google Patents
An IS-OFDM system for point-to-point wireless communi cations that Suppresses narrow-
band interference comprises an IS-OFDM transmitter and an IS-OFDM receiver, wherein a …