Sciweavers

234 search results - page 39 / 47
» db 2007
Sort
View
ISCAS
2007
IEEE
81views Hardware» more  ISCAS 2007»
14 years 2 months ago
Rate Control for Hierarchical B-picture Coding with Scaling-factors
—The coding performance can be further improved when the hierarchical B-picture coding is introduced into H.264/AVC. However, the existing rate control schemes can NOT work effic...
Long Xu, Wen Gao, Xiangyang Ji, Debin Zhao
VTC
2007
IEEE
125views Communications» more  VTC 2007»
14 years 1 months ago
Joint Source Coding, Unity Rate Precoding and FFH-MFSK Modulation Using Iteratively Decoded Irregular Variable Length Coding
— Serially concatenated and iteratively decoded Irregular Variable Length Coding (IrVLC) combined with precoded Fast Frequency Hopping (FFH) M-ary Frequency Shift Keying (MFSK) i...
Sohail Ahmed, Robert G. Maunder, Lie-Liang Yang, S...
VTC
2007
IEEE
100views Communications» more  VTC 2007»
14 years 1 months ago
Downlink Steered Space-Time Spreading Assisted Generalised Multicarrier DS-CDMA Using Sphere-Packing-Aided Multilevel Coding
— This paper presents a novel generalised Multi-Carrier Direct Sequence Code Division Multiple Access (MC DS-CDMA) system invoking smart antennas for improving the achievable per...
Mohammed El-Hajjar, Ronald Y. S. Tee, Hu Bin, Lie-...
VTC
2007
IEEE
148views Communications» more  VTC 2007»
14 years 1 months ago
Iteratively Detected Irregular Variable Length Coding and Sphere-Packing Modulation-Aided Differential Space-Time Spreading
Abstract— In this paper we consider serially concatenated and iteratively decoded Irregular Variable Length Coding (IrVLC) combined with precoded Differential Space-Time Spreadin...
Mohammed El-Hajjar, Robert G. Maunder, Osamah Alam...
VTC
2007
IEEE
104views Communications» more  VTC 2007»
14 years 1 months ago
Soft-Bit Assisted Iterative AMR-WB Source-Decoding and Turbo-Detection of Channel-Coded Differential Space-Time Spreading Using
Abstract – Jointly optimised iterative source- and channel-decoding is used for enhancing the error resilience of the Adaptive Multi Rate WideBand (AMR-WB) speech codec. The resu...
Noor S. Othman, Mohammed El-Hajjar, Osamah Alamri,...