56 search results - page 9 / 12 » Pilot optimization for time-delay and channel estimation in ... |
TSP
2008
13 years 7 months ago
2008
We propose a wireless fading channel prediction algorithm for a pilot-symbol aided Orthogonal Frequency Division Multiplexing (OFDM) system. Assuming a doubly selective (time and ...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
— Time-interleaved (TI) analog-to-digital converters (ADCs) are a promising architecture for realizing the highspeed ADCs required to implement “mostly digital” receivers for...
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
—We address joint estimation of frequency offsets and channel responses in OFDMA uplink. A cyclically equal-spaced, equal-energy interleaved pilot preamble is proposed by which t...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— Carrier frequency offset (CFO) estimation is a key challenge in multicarrier systems such as OFDM. Often, this task is carried out using a preamble made of a number, say J, of ...
TWC
2008
13 years 7 months ago
2008
This paper presents an iterative receiver for Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) systems over time-variant wireless channels. T...