490 search results - page 56 / 98 » Changing the Channel |
EV
2006
13 years 9 months ago
2006
: This paper describes the direct relationship between the perception of citizenship and its material expression, with emphasis on how changing expression obliges a rethink of the ...
BC
1998
13 years 7 months ago
1998
A non-uniform equivalent cable model of membrane voltage changes in branching neuronal trees with active ion channels has been developed. A general branching condition is formulate...
JCM
2006
13 years 7 months ago
2006
Orthogonal Frequency Division Multiplexing (OFDM) has been increasingly used in wireless broadband communication systems. Guard interval (GI) is used in OFDM system to reduce inter...
ETT
2006
13 years 7 months ago
2006
: Cyclic Delay Diversity (CDD) was introduced in 2001 to obtain spatial diversity in an Orthogonal Division Multiplexing (OFDM) based transmission system. In contrast to Space-Time...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— In this paper, a problem for efficient use of subcarriers in downlink OFDMA multi-hop cellular networks is studied based on quality of service (QoS) guarantee of each ...