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SIGPRO
2008
89views more  SIGPRO 2008»
14 years 9 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»
14 years 9 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
73
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TCOM
2008
130views more  TCOM 2008»
14 years 9 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»
14 years 9 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»
14 years 9 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...