wireless data multipath

Highly-Resilient, Energy-Efficient Multipath Routing in Wireless Sensor Networks

White Paper Disjoint multipath has been studied in the literature. This paper proposes a novel braided multipath scheme, which results in several partially disjoint multipath schemes. Previously... [11 Jul 2008]

Improving End-to-End Delay Through Load Balancing With Multipath Routing in Ad Hoc Wireless Networks Using Directional Antenna

White Paper This paper have addressed these two issues in the context of ad hoc wireless networks and shown that the success of multipath routing depends on the effects of route coupling during path selection.... [10 Jul 2008]

Space-Time-Frequency Coded OFDM Over Frequency-Selective Fading Channels

White Paper In wireless links, multipath fading causes performance degradation and constitutes the bottleneck for increasing data rates. The major driver for broadband wireless... [10 Apr 2008]

Effect of Slow Fading and Adaptive Modulation on TCP/UDP Performance of High-Speed Packet Wireless Networks

White Paper High speed data wireless networks in multipath environments suffer channel impairment from many sources such as thermal noise, path loss, shadowing, and fading. The solutions target... [06 Dec 2007]

Joint PHY/MAC Based Link Adaptation for Wireless LANs With Multipath Fading

White Paper This paper investigates the effect of payload size variations on single-user throughput for both non-fading and multipath fading environments. Wireless local area networks offer a range of transmitted... [03 Sep 2007]

Multipath Routing in Mobile Ad Hoc Networks: Issues and Challenges

White Paper This paper specifically examines the issues of multipath routing in MANETs. Mobile Ad hoc NETworks (MANETs) consist of a collection of wireless mobile nodes which dynamically exchange... [25 Aug 2007]

Carrier Separated OFDM Systems for Multiaccess Wireless Communications

White Paper OFDM is considered to support high data rates and carrier separation is introduced to combat multipath fading. While promising robustness against multipath fading, the computational... [18 Apr 2007]

Multiband-OFDM MIMO Coding Framework for UWB Communication Systems

White Paper In order to satisfy the growing demand for higher data rates, one possible solution is to exploit both spatial and multipath diversities via the use of Multiple-Input Multiple-Output (MIMO) and proper... [13 Apr 2007]

MIMO-OFDM

White Paper OFDM is modulation method known for its capability to mitigate multipath. The requirement for wide bandwidth and flexibility imposes the use of efficient transmission methods that would fit to the characteristics of... [11 Apr 2007]

Efficient Power Allocation for Coded OFDM Systems

White Paper One of the advantages of the OFDM technique is robustness against the inter-symbol interference caused by multipath channels. The OFDM technique has many advantages in wireline and wireless... [11 Apr 2007]

MU-OFDM Power and Subchannel Allocation Performance on DSP

White Paper This channel response depends on multipath delays and position of receiver which the Rayleigh Fading Distribution models. Orthogonal Frequency Division Multiplexing (OFDM) offers an increased data rate... [11 Apr 2007]

MAC Protocols Derived From IEEE 802.11 Virtual Carrier Sensing Mechanism

White Paper The paper also presents the protocol that does not require any hardware support, instead it acts as a support for multipath routing protocols and enhances their performances by MAC layer anycasting in order to find the... [30 Jun 2006]

Co-Existence of 802.11g WLANs With Bluetooth

White Paper The advantages of OFDM WLANs are very high data rates, resilience to multipath and extended operating range. Orthogonal-frequency-division multiplexing (OFDM) based wireless... [12 Aug 2005]

Rank Constrained Temporal-Spatial Matrix Filters for CDMA Systems

White Paper In this paper, a receiver structure which combines multiuser detection (temporal filtering) and receiver beamforming (spatial filtering) in a multipath environment is considered. Future wireless systems... [26 Jul 2005]

Effect of Power Amplifier Impairments in Designing OFDM Based Wireless Communication Systems

White Paper New generation Wireless Local Area Network (WLAN) standards (like 802.11a and HyperLAN2) use Orthogonal Frequency Division Multiplexing (OFDM) modulation technique because of its ability to offer high... [02 Nov 2004]

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