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TCP With Link Level ARQ
White Paper Link level Automatic Repeat Request (ARQ) is one of the proposed solutions to overcome this problem. Wireless networks are a significant part of the Internet. Unfortunately, TCP performance degrades over wireless links where packet error rates are... [14 Jan 2008]
Performance Impact of Interaction of ARQ Error Control in Layer 2 and Handover Control in Layer 3 on Wireless TCP
White Paper It is well known that ARQ (Automatic Repeat Request) and packet forwarding can improve the performance degradation due to bit errors and handover, respectively. In wireless environment, TCP suffers from significant performance degradation due to... [14 Jan 2008]
Simulation-Based Study of Link-Level Hybrid FEC/ARQ-SR for Wireless Links and Long-Lived TCP Traffic
White Paper Different solutions have been proposed to improve the performance of TCP over wireless links, the most promising one being the use of a hybrid model at the link-level combining FEC, ARQ-SR (Automatic Repeat Request with Selective Repeat), and an... [14 Jan 2008]
Analysis of Link-Level Hybrid FEC/ARQ-SR for Wireless Links and Long-Lived TCP Traffic
White Paper Different solutions have been proposed to improve the performance of TCP over wireless links, the most promising one being the use of a hybrid model at the link level combining FEC (Forward Error Correction), ARQ-SR (Automatic Repeat Request with... [14 Jan 2008]
Performance Analysis of TCP Fairness Between Wired and Wireless Sessions
White Paper This paper discusses the fairness issue between TCP connections over wireless and wired links, and theoretically analyze throughput fairness between TCP over wireless link with ARQ(Automatic Repeat reQuest)-based link layer error recovery and TCP... [14 Jan 2008]
Optimum Number of RLC Retransmissions for Best TCP Performance in UTRAN
White Paper The paper extends the link level Automatic Repeat Request model proposed by Peisa et al.to be able to set a maximum number of RLC transmissions, and with the help of Padhye's TCP throughput model (2000), it determines the corresponding throughput... [26 Dec 2007]
Performance Analysis of TFRC Over Wireless Link With Truncated Link-Level ARQ
White Paper For the wireless network, a link-level truncated Automatic Repeat reQuest (ARQ) scheme is deployed to reduce the packet losses visible to the transport layer protocol. In this paper, an analytical framework is proposed for evaluating the Quality of... [05 Dec 2007]
On Link Budget of cdma2000 1x EV-DV Forward Link
White Paper These gains, including multiple-user diversity gain, cell switching gain and HARQ (Hybrid Automatic Repeat reQuest) gain, are achieved by theoretical analysis. cdma2000 1x EV-DV provides high-speed data services, as well as voice service, in... [01 Mar 2007]
A Spread Slotted CDMA/ALOHA System With Hybrid ARQ for Satellite Multiple Access
White Paper This paper proposes and investigates a new type of satellite multiple access protocol that combines the characteristics of the Spread Slotted (SS)-ALOHA protocol, Code Division Multiple Access (CDMA), and the hybrid Automatic Repeat Request (ARQ... [10 Nov 2006]
Turbo-Coded ARQ Schemes for DS-CDMA Data Networks Over Fading and Shadowing Channels: Throughput, Delay, and Energy Efficiency
White Paper In this paper, modified ARQ (Automatic-Repeat-Request) techniques based on turbo coding are investigated for asynchronous DS-CDMA (Direct-Sequence Code-Division Multiple-Access) data networks under shadowing and frequency selective fading channel... [10 Nov 2006]
Simultaneous MAC Packet Transmission (SMPT) for High-Speed Service in a Multi-Code CDMA Wireless System
White Paper Wireless links are typically stabilized by a combination of link layer Automatic Repeat Request (ARQ) mechanisms in conjunction with forward error correction and other physical layer techniques. Providing high and stable throughput over wireless... [21 Feb 2006]
Hybrid ARQ for Robust Video Streaming Over Wireless LANs
White Paper The paper presents a solution that efficiently combines Automatic Repeat Request (ARQ) and Forward Error Correction coding for sending compressed video and audio over a packet network. This paper addresses the problem of transmission of multimedia... [19 Jan 2006]
Bluetooth RF Layer Performance Evaluation
White Paper Using the two types of Forward Error Correction (FEC) and Automatic Repeat Request (ARQ) schemes is believed that the BER performance will be further enhanced and will be suitable for reliable communication of data between Bluetooth enabled devices. [29 Sep 2005]
Error Protection for ATM-Based Wireless Networking Systems
White Paper An hybrid automatic repeat request (ARQ)/FEC protocol that uses RCPC coding to diatribe error protection between the wireless PHY and data link control (DLC) layers is also presented. Variable rate error protection is required to support the broad... [24 Feb 2004]
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