High Performance and Error Tolerant Approximate Multiplier Based on Multi-bit Compressors

Abstract: This paper investigates the performance of encoding and interleaving in DVB in the context of mobile reception. By means of time interleaving it is possible to provide time diversity and improve the robustness of the transmitted information in mobile environments. DVB implements a highly flexible time interleaving that allows different trade-offs in terms of time diversity, latency and power saving. DVB also includes the possibility to particularize the transmission parameters on a service basis by means of multiple physical layer pipes. This way, it is possible to accommodate different use cases: fixed, portable and mobile, in the same frequency channel. This paper evaluates the time interleaving capabilities of DVB by means of physical layer simulations.

Keywords: DVB, OFDM, BER, RS.