Inventor
XIA XIANG-GEN
US8 patents
⚠️ This page may combine multiple inventors who share the name “XIA XIANG-GEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV DELAWARE
3 patentsUS6928047B1Aug 9, 2005
Precoded OFDM systems robust to spectral null channels and vector OFDM systems with reduced cyclic prefix length
UNIV DELAWARE169 citations97
US6493399B1Dec 10, 2002
Digital wireless communications systems that eliminates intersymbol interference (ISI) and multipath cancellation using a plurality of optimal ambiguity resistant precoders
UNIV DELAWARE62 citations95
US6556689B1Apr 29, 2003
Watermarking methods for digital images and videos
UNIV DELAWARE86 citations94
HUGHES ELECTRONICS CORP
3 patentsUS5852567ADec 22, 1998
Iterative time-frequency domain transform method for filtering time-varying, nonstationary wide band signals in noise
HUGHES ELECTRONICS CORP22 citations92
US6014466AJan 11, 2000
Object-based video coding of arbitrarily shaped objects using lapped orthogonal transforms (LOTs) defined on rectangular and L-shaped regions
HUGHES ELECTRONICS CORP44 citations90
US5809082ASep 15, 1998
Vector trellis coded modulation using vector convolutional codes for reliable data transmission
HUGHES ELECTRONICS CORP5 citations61