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Goodput Enhancement of IEEE 802.11a Wireless LAN Via Link Adaptation
White Paper IEEE 802.11a is a new high-speed physical layer (PHY) defined for the 5 GHz U-NII bands as a supplement to the existing IEEE 802.11 wireless LAN (WLAN) standard. This paper gives an overview of the IEEE 802.11a Orthogonal Frequency Domain... [03 Jul 2008]
About the 10 Gigabit Ethernet Standard
White Paper 10 GbE Physical layer specifications (PHY) and supported media and reaches, as defined in IEEE 802.3 2005. The 10 GbE MAC operates at 10 Gbps at its service interface (towards PHY) and rate-adapts between MAC PHY layers to accommodate slightly... [07 Feb 2008]
Adaptive Optimal Frame Length Predictor for IEEE 802.11 Wireless LAN
White Paper Link adaptation is one approach focusing on through building a reliable MAC and PHY layer to provide committed QoS. This paper presents an optimal frame length predictor in terms of maximizing the channel utilization. [04 Dec 2007]
Joint PHY/MAC Based Link Adaptation for Wireless LANs With Multipath Fading
White Paper Thus, a cross-layer based design approach along with link adaptation is required to improve the network performance under different channel conditions. Wireless local area networks offer a range of transmitted data rates that are to be selected... [03 Sep 2007]
Joint PHY/MAC Based Link Adaptation for Wireless LANs With Multipath Fading
White Paper Thus, a cross-layer based design approach along with link adaptation is required to improve the network performance under different channel conditions. Wireless local area networks offer a range of transmitted data rates that are to be selected... [13 Aug 2007]
Experimental Evaluation of Application Performance With 802.11 PHY Rate Adaptation Mechanisms in Diverse Environments
White Paper This paper examines the impact of physical layer rate adaptation mechanisms on the performance of real applications over 802.11 wireless links in diverse channel environments. The paper considers two different and well known 802.11 rate adaptation... [01 Aug 2007]
MiSer: An Optimal Low-Energy Transmission Strategy for IEEE 802.11a/h
White Paper TPC (Transmit Power Control) and PHY (Physical layer) rate adaptation have been recognized as two most effective ways to achieve this goal. This paper proposes a novel scheme, called MiSer, that minimizes the communication energy consumption in... [19 Jan 2006]
Energy-Efficient PCF Operation of IEEE 802.11a Wireless LAN
White Paper This paper demonstrates the energy-efficient Point Coordination Function (PCF) operations of IEEE 802.11a wireless LAN (WLAN) via both Transmit Power Control (TPC) and Physical layer (PHY) rate adaptation. [19 Jan 2006]
Adaptive Transmit Power Control in IEEE 802.11a Wireless LANs
White Paper This paper demonstrates the energy-efficient Distributed Coordination Function (DCF) operation of IEEE 802.11a wireless LANs (WLANs) via TPC and Physical Layer (PHY) rate adaptation. The key idea is to enforce an RTS/CTS frame exchange before each... [19 Jan 2006]
PER-Prediction for Link Adaptation in OFDM Systems
White Paper The physical layers (PHY) of modern wireless communication standards like HiperLAN/2 or IEEE802.11a provide a high degree of flexibility allowing the Data Link Control (DLC) layer to adapt various transmission parameters to the currently observed... [01 Nov 2004]
A Network Service Providing Wireless Channel Information for Adaptive Mobile Applications: Part I: Proposal
White Paper In this paper, we propose a network service that collects and processes PHY/MAC layer parameters for wireless channel conditions and provides them to adaptive mobile applications in clearly defined abstracted forms to aid them in their adaptation... [24 Feb 2004]
