The Multiuser Detection Of The DS-UWB Receiver Based On The Adaptive Scheme

Since UWB technology has a lot of advantages such as high date rate, low power spectral density, high precision location identification and inherently exceptional multipath immunity, it has become the research focus in the wireless communication field.In this paper, the basic theory, the characteristics and the develop trends of UWB communication are introduced at first. Then two representative types of UWB signal models and their characteristics are discussed. Then we discuss several representative multipath channel model of UWB in the home. After that, we lay emphasis on the multiuser detection of DS-UWB receiver. Thereinto we first discuss some common technology of multiuser detection, then put forward a multiuser detection scheme of DS-UWB based on the adaptive method, and we compare the performance of receiver when the spreading codes and the sampling speed are different.All these study will provide some useful ideas and methods to achieve multiuser detection of UWB communication system.