(57) ABSTRACT A new media access control (MAC) protocol for cognitive wireless networks
is described. The new MAC protocol allows each of multiple nodes, such as cellphones and …

(57) ABSTRACT A wireless terminal receives and measures broadcast refer ence signals,
eg, beacon and/or pilot signals, transmitted from a plurality of base station attachment points …

In a single-carrier frequency division multiple access (SC FDMA) system that utilizes
interleaved FDMA (IFDMA) or localized FDMA (LFDMA), a transmitter generates modula tion …

Related U s A lication Data A channel structure has at least tWo channel sets. Each chan''PP
nel set contains multiple channels and is associated With a (60) Provisional application No …

5,604,744 A 2, 1997 Andersson et al. w 5,612,978 A 3, 1997 Blanchard etal 6,483,820 B1
11/2002 Davidson et al. wk 4 6,487.243 B1 11, 2002 H tal. 5,625,876 A 4, 1997 …

4,747,137 4,783,779 4,783,780 4,975,952 5,008,900 5,115,248 5,268,694 5,282,222
5,363,408 5,371,761 5,384,810 5,406,551 5,410,538 5,455,839 5,465,253 5,491,727 …

Methods and apparatuses are disclosed for providing flexible channel information feedback.
In some cases this may be according to reporting types assigned by one or more sectors …

(60) Provisional application No. 60/731,014, filed on Oct. 27, 2005, provisional application
No. 60/713,029,(57) ABSTRACT filed on Aug. 30, 2005. Embodiments are described in …

5,384,810 A 1/1995 Amrany 6,374,115 B1 4/2002 Barnes et al. 5,406,551 A 4/1995 Saito et
al. 6,377,539 B1 4/2002 Kang et al. 5,410,538 A 4/1995 Roche et al. 6,377,809 B1 4/2002 …

OFDM signal communication methods and apparatus are described. In accordance with the
invention OFDM signals are generated in the time domain with symbols being mapped to …