20120213299 | METHODS AND SYSTEMS FOR NOISE RESILIENT, PIN-EFFICIENT AND LOW POWER COMMUNICATIONS WITH SPARSE SIGNALING CODES - In bus communications methods and apparatus, a first set of physical signals representing the information to be conveyed over the bus is provided, and mapped to a codeword of a sparse signaling code, wherein a codeword is representable as a vector of a plurality of components, some of which are quiescent components and some of which are non-quiescent components, wherein the number of quiescent components and non-quiescent components meet a sparseness requirement. | 08-23-2012 |