Sciweavers

461 search results - page 35 / 93
» Letters
Sort
View
SIGPRO
2008
89views more  SIGPRO 2008»
13 years 11 months ago
Radix-2 algorithm for the fast computation of type-III 3-D discrete W transform
: In this letter, an efficient algorithm for three-dimensional (3-D) vector radix decimation in frequency is derived for computing the type-III 3-D discrete W transform (DWT). Comp...
Huazhong Shu, J. S. Wu, Lotfi Senhadji, Limin Luo
TCOM
2008
106views more  TCOM 2008»
13 years 11 months ago
Walsh coded training signal aided time domain channel estimation for MIMO-OFDM systems
This letter proposes a novel Walsh coded training signal design and decoding method to estimate the channel response in MIMO-OFDM systems. The Walsh coded training signals, designe...
Hyoung-Goo Jeon, Hyoung-Kyu Song, Erchin Serpedin
TCOM
2008
130views more  TCOM 2008»
13 years 11 months ago
Quasi-orthogonal STBC with minimum decoding complexity: performance analysis, optimal signal transformations, and antenna select
This letter presents a new method to directly analyze and optimize symbol error rate (SER) performance of minimum decoding complexity (MDC) ABBA space-time block codes based on a t...
Dung Ngoc Dao, Chintha Tellambura
TWC
2008
207views more  TWC 2008»
13 years 10 months ago
A New Approach for Time Synchronization in Wireless Sensor Networks: Pairwise Broadcast Synchronization
Abstract--This letter proposes an energy-efficient clock synchronization scheme for Wireless Sensor Networks (WSNs) based on a novel time synchronization approach. Within the propo...
Kyoung-Lae Noh, Erchin Serpedin, Khalid A. Qaraqe
FUIN
2002
92views more  FUIN 2002»
13 years 10 months ago
Characterization Results for Time-Varying Codes
Time-varying codes associate variable length code words to letters being encoded depending on their positions in the input string. These codes have been introduced in [8] as a pro...
Ferucio Laurentiu Tiplea, Erkki Mäkinen, Drag...