Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 8 of 8 for “"CDPD"”.
-
Error and erasure decoding for a CDPD system
Cellular digital packet data (CDPD) is a new service for wide-area data communication with wireless mobile users. CDPD system uses the existing infrastructure of the analog Advanced Mobile Phone Service (AMPS) cellular telephone network to transmit data with a channel hopping technique. The CDPD …
-
Practical considerations in the design of cellular digital packet data (CDPD) equipment
Cellular Digital Packet Data (CDPD) is a new wireless packet data communications system which was developed by a consortium of U.S. cellular service providers to augment their voice communications systems. The main goal of the CDPD system design was to provide wireless packet data connectivity to …
-
Simulation and performance analysis of Cellular Digital Packet Data
… communication. Cellular Digital Packet Data (CDPD) offers an unobtrusive data service that overlays the existing Advanced Mobile Phone Service (AMPS) in a cost effective manner that will be attractive to most service providers. Using idle time between voice traffic, CDPD uses Gaussian Minimum …
-
Routing and Transport Layer Protocols for Wireless Networks
… of typical WWANs based on studies on the CDPD (Cellular Digital Packet Data) network, simulate (ns-2) the environment and design our protocol (WTCP) in this simulation environment to compare it with TCP-NewReno, TCP-Vegas, and Snoop-TCP. We also evaluated an implementation of the protocol …
-
Synergy of Alum and Chlorine Dioxide for Curbing Disinfection Byproduct Formation Potential at Central Arkansas Water
… of chlorine dioxide primary disinfection (CDPD) with alum coagulation. Of the DBPs screened, trichloromethane (TCM) was formed in highest concentration in each source water and treatment scenario. In the DBPFP tests, TCM formation potential decreased on average by 30 and 42% after alum …
-
Development, Validation, and Evaluation of a Continuous, Real-time, Bivalve Biomonitoring System
… array, a single board computer, and a CDPD telemetry modem for robust remote operation. Data were telemetered at a time relevant rate of once every ten minutes. One unit was deployed in Lake Lewisville, Denton County, TX in February 2000. Data were telemetered and archived at a 92% …
-
Robust GMSK Demodulation Using Demodulator Diversity and BER Estimation
… wireless standards around the world (GSM, DECT, CDPD, DCS1800, and PCS1900). The dissertation begins with a literature review of GMSK demodu- lation techniques (coherent and noncoherent) and includes an overview of single- channel interference rejection techniques in digital wireless …
-
El deporte escolar en Asturias y su papel educativo
… de los sujetos con la práctica deportiva (CDPD). Duda y Nicholls (1992), Metas Sociales en Educación Física (SGS-PE) Guan, McBride y Xiang (2006), Cuestionario sobre las Creencias con la práctica deportiva (CRUPPAFYD) Arribas, Arruza, González y Telletxea (2007), Autoconcepto y Forma (AF5). …