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On Througput Of Multipath Data Transmission Over Multihop Ad Hoc Networks
White Papers Data transmission in ad hoc networks involves interactions between MAC-layer protocol and data forwarding along network-layer paths. In this paper, their impact on the multipath data transmission system over multihop IEEE 802.11 MAC-based ad hoc...
[August 10, 2007, 10:44]
Throughput Comparison Of CDM And TDM For Downlink Packet Transmission In CDMA Systems With A Limited Data Rate Set
White Papers Throughputs with Code-Division Multiplexing (CDM) and Time-Division Multiplexing (TDM) for downlink packet transmission are compared in multirate Code-Division Multiple Access (CDMA) systems. The developed analytical method reflects the effect of a...
[February 22, 2006, 0:01]
Integration Of Streaming Services And TCP Data Transmission In The Internet
White Papers The paper is specifically interested in the computation of the mean bit rate obtained by a data transfer. The study discussed in this paper is the integration of elastic and streaming traffic on a same link in an IP network.
[December 6, 2007, 0:01]
Real Time Data Transmission Over GSM Voice Channel For Secure Voice & Data Applications
White Papers This paper describes a real time prototype implementation of a system, which enables secure voice and data communication over the GSM voice channel. The proposed system modulates digital data, which may be encrypted onto speech-like waveforms.
[November 15, 2005, 0:00]
Saving - In Data Transmission As Well: WebWasher Reduces The Data Burden On Sparkasse Rugen’s Thin-Client Network
White Papers The Sparkasse savings bank in Rugen has opted for a thin-client solution for its regional network in order to make optimal use of its existing 64KB data lines for planned expansions. To avoid the constant retransmission of graphic image content...
[January 18, 2005, 23:00]
Options Expand For Data Transmission Security
White Papers As the automation of sales and service personnel has grown, secure communications from wireless handheld computers to company back offices has become more and more of an issue. There is more than one answer to keeping the company's information and...
[November 8, 2008, 0:22]
Return Loss And Data Transmission
White Papers The echo noise created by return loss is relatively easy to understand. This technical brief uses channel modeling techniques to prove that return loss also directly affects the quality of the transmitted signal and that impedance-controlled patch...
[November 3, 2003, 2:15]
The Wake County Public School System Uses Biscom Delivery Server (BDS) To: Ensure Privacy Of Student And Employee Files, Comply With The Family Educational Rights And Privacy Act And Eliminate
White Papers Data transfer is secure, authenticated, and delivered directly from point-to-point. The Wake County Public School System (WCPSS) is one of the twenty largest school districts in the nation. WCPSS's challenge primarily focused on ensuring privacy...
[May 15, 2008, 1:01]
TCP-XM: Unicast-Enabled Reliable Multicast
White Papers Much work has been done on attempting to scale multicast data transmission to hundreds or thousands of receivers. There are, however, many situations where an application might involve transmission to just ten or twenty sites.
[December 20, 2007, 0:01]
Integrate Passport Into Your ASP.Net Apps
News One of the toughest challenges faced by online retailers is the safe transmission of credit card, private, and financial data on the Web. Microsoft Passport is a collection of authentication services designed to facilitate access and transmission...
[April 13, 2003, 19:59]
Performance Analysis And Improvement Of TCP Proxy Mechanism In TCP Overlay Networks
White Papers TCP overlay networks that control data transmission quality at the transport layer are being paid a lot of attentions as users' demands for diversified Internet services increase. This paper introduces an analysis approach to estimate end-to-end...
[December 20, 2007, 0:01]
Performance Analysis For GPRS With Prioritized And Non-Prioritized Mobility Management Procedures
White Papers A simulator was developed to study the end-to-end behaviour of data transmission between a mobile client and a fixed server via GPRS and Internet. This paper investigates the effect of user mobility on packet transmission in GPRS.
[June 23, 2004, 20:00]
Vodafone Launches 'fastest' Wireless Data Service
Blog Communications giant Vodafone will launch a wireless mobile data transmission service with speeds of up to 7.2 MBits/s in Germany on Thursday. The technology will allow high speed mobile transmission of large data volumes for Vodafone's German...
[March 14, 2007, 15:50]
High Efficiency Wireless LAN For Multimedia Home Networks
White Papers Methods for a transmitter based link adaptation are evaluated to increase the reliability of the physical data transmission. This paper describes the problems of wireless LAN usage in the user's home with focus on media transmission.
[August 7, 2008, 1:18]
Security Architecture In UMTS Third Generation Cellular Networks
White Papers Throughout the last years there has been a great interest in developing and standardizing the technologies needed to achieve high speed transmission of data in cellular networks. Third generation (3G) wireless networks represent the more recent...
[July 26, 2005, 6:00]
Transmission Rate Scheduling With Fairness Constraints In Downlink Of CDMA Data Networks
White Papers Proper transmission rate scheduling of data service in downlink can reduce the intra-cell interference; hence maximize the throughput of the downlink. Various works have been done for the transmission rate scheduling to maximize total throughput in...
[February 22, 2006, 0:01]
Researchers Claim Stealth Encryption Breakthrough
News The technique hinges on transmission of encrypted data in the "noise" of signals along fibre-optic cables. The method should be secure because even if eavesdroppers knew a secret transmission was taking place, any slight imperfection in their...
[October 13, 2006, 16:00]
Efficient Power Allocation For Coded OFDM Systems
White Papers Orthogonal Frequency Division Multiplexing (OFDM) is a transmission technique which divides the data into a number of independent frequency subchannels whose bandwidth is much less than the total data rate.
[April 11, 2007, 1:01]
Hybrid Reliable Multicast With TCP?XM
White Papers Much work has been done on attempting to scale multicast data transmission to hundreds or thousands of receivers. There are, however, many situations where an application might involve transmission to just ten or twenty sites.
[October 28, 2008, 0:22]
German Utility Uses RAD Access Devices For Telecontrol And Voice And Data Communications Network
White Papers SWR needed a high bandwidth data transmission network to operate its new power distribution network management system. RAD's Megaplex-2104 multiplexers provide transparent transmission of data from process control systems with a V.24 interface.
[October 27, 2004, 3:00]
