Design of CDMA Transceiver on FPGA for Ad-hoc Networks
نویسنده
چکیده
Code division multiple access (CDMA) uses spread spectrum technology where each user is assigned a unique code and allows multiple users to be multiplexed over the same physical channel. The spread spectrum is used in the commercial applications such as mobile handsets, internet, and satellite applications. KeywordsSSMA, DDS, DS-CDMA, PN code.
منابع مشابه
Cdma Code Assignment in Wireless Ad Hoc Networks
Many CDMA code assignment algorithms have been developed and studied for cellular wireless networks, however, little is known about the ad hoc wireless networks. In this chapter, we first briefly introduce several Orthogonal Constant Spreading Factor (OCSF) CDMA code assignment schemes based on distance-2 vertex coloring algorithm. We then present several distributed OVSF-CDMA code assignment a...
متن کاملTheoretically Good Distributed CDMA/OVSF Code Assignment for Wireless Ad Hoc Networks
Orthogonal Variable Spreading Factor (OVSF) CDMA code has the ability to support higher and variable data rates with a single code using one transceiver. A number of CDMA code assignment algorithms have been developed and studied for cellular wireless networks, however, little is known about the ad hoc wireless networks. In this paper, we propose several distributed CDMA/OVSF code assignment al...
متن کاملMedium Access Control and Adaptive Transmission Techniques in Wireless Networks
Efficient utilization of the limited wireless spectrum while satisfying applications’ quality of service requirements is an essential design goal of forthcoming wireless networks and a key to their successful deployment. The need for spectrally efficient systems has motivated the development of adaptive transmission techniques. Enabling this adaptation requires protocols for information exchang...
متن کاملDesign and evaluation of two scalable protocols for location management of mobile nodes in location based routing protocols in mobile Ad Hoc Networks
Heretofore several position-based routing protocols have been developed for mobile ad hoc networks. Many of these protocols assume that a location service is available which provides location information on the nodes in the network.Our solutions decrease location update without loss of query success rate or throughput and even increase those.Simulation results show that our methods are effectiv...
متن کاملDesign and evaluation of two scalable protocols for location management of mobile nodes in location based routing protocols in mobile Ad Hoc Networks
Heretofore several position-based routing protocols have been developed for mobile ad hoc networks. Many of these protocols assume that a location service is available which provides location information on the nodes in the network.Our solutions decrease location update without loss of query success rate or throughput and even increase those.Simulation results show that our methods are effectiv...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2013