physical layer

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Reusable Verification Environment for Verification of Ethernet Packet in Ethernet IP Core, a Verification Strategy-an Analysis

Design reuse and verification reuse are important to satisfy time-to-market requirements. Designer must be able to reuse Intellectual Property in the design as golden model. Reuse of verification environment across different designs of the domain saves time to market further and improves total design verification quality. The Physical Layer is...

Tags: Physical Layer, Network, Environment, IP, Ethernet, Networking

White papers 2008-11-01

Scalable Non-Blocking Infrastructure Management: A Comparative Study

Today's enterprise environments impose demands for a large-scale, highly available, fault tolerant physical layer infrastructure. Typical storage area and data communication network environments, within a single data center or across geographically dispersed sites, can easily require several thousand ports of connectivity. The ability to plan for and build out network...

Tags: Physical Layer, Fault-tolerance, Infrastructure Management, OnPATH Technologies, It Services, It Management, It service Management

White papers 2008-03-25

Cross-Layer Network Design for Quality of Services in Wireless Local Area Networks: Optimal Access Point Placement and Frequency Channel Assignment

This paper presents a novel network design algorithm for Wireless Local Area Networks WLANs considering optimal access point placement and frequency channel assignment problems. The proposed algorithm is a cross-layer approach, accounting the physical layer and the data link layer functionalities of the WLANs in the network design process. Specifically,...

Tags: Physical Layer, QoS, Network, WLAN, Network Design, Access Point, Wireless LANs, LANs, Wi-Fi, Wireless, Networking

White papers 2008-02-19

WiMAX Capacity White Paper

This white paper discusses factors influencing system capacity in IEEE 802.16 networks. IEEE 802.16, commonly known by its industry forum moniker of WiMAX, a wireless protocol intended for establishing metropolitan area networks that supply broadband data and voice services. The present standards document, IEEE 802.16-2004 as amended by IEEE 802.16-...

Tags: Physical Layer, IEEE 802.16, WiMAX, Wireless And Mobility

White papers 2007-08-01

End of the Road for TCP Offload

This whitepaper examines the multiple generations of TCP Offload engines which have appeared as point solutions since the invention of workstation architecture in the late 1980s. It shows that the last two generations of TCP Offload have been driven by the desire to handle a link-speed upshift in Ethernet, yet...

Tags: Physical Layer, TCP, Solarflare Communications, Tcp/Ip, Ethernet, Networking

White papers 2007-04-02

Fairness and Physical Layer Capture in Random Access Networks

While physical layer capture has been observed in real implementations of wireless devices which randomly accessing shared channels, fair rate control algorithms based on accurate channel models describing the phenomenon have not been developed. In this paper, using the general physical channel model, the paper formally presents the characteristics of...

Tags: Physical Layer, Microsoft Access, Network, Columbia University, Domain

White papers 2007-03-22

Open Architecture Physical Layer Diagnostics Speed Installation and Reduce Downtime

Hand-held test tools have been used routinely on the world's major fieldbus installations to speed the installation process by diagnosing wiring errors prior to start-up. In response to end-user feedback, recent enhancements have delivered better features such as noise measurement in multiple frequency bands and the ability to store field...

Tags: Physical Layer, Installation, Downtime, FF-EUC Aus

White papers 2007-03-15

System Interconnect Fabrics: Ethernet Versus RapidIO Technology

This white paper is a comprehensive compilation of embedded interconnect information. It provides a high-level market perspective and delivers a detailed technical examination of these two technologies. The paper begins with a top-level description of market requirements for the logical, transport, and physical layers, then moves into a thorough discussion...

Tags: Freescale Semiconductor Inc., Physical Layer, Ethernet, Network Technology, Networking

White papers 2007-02-01

High Fidelity Simulation of Mobile Cellular Systems With Integrated Resource Allocation and Adaptive Antennas

Using parallel processing, the execution time of wireless network simulations can be significantly decreased without compromising the fidelity of the simulation. However, incorporating details such as signal propagation, interference, and resource allocation schemes may add considerable complexity to the parallel simulation which may overshadow the gain of parallelization. This paper...

Tags: Physical Layer, Mobile, Fidelity Investments, Allocation, Wireless Network, Wi-Fi, Wireless

White papers 2006-12-29

Research in Optical Burst Switching Within the e-Photon/ONe Network of Excellence

This paper presents a summary of Optical Burst Switching OBS research within the VI framework program e-Photon/ONe network of excellence. The paper includes network aspects such as routing techniques, resilience and contention resolution, together with burst switch architectures. On the other hand, the author also discusses traffic analysis issues, Quality...

Tags: Physical Layer, Reed Elsevier Inc., Tcp/Ip, Networking

White papers 2006-12-14

Wireless LAN Security: Securing Your Access Point

Wireless Local Area Network WLAN is vulnerable to attacks due to the use of radio frequency, which encounters data revelation. This paper describes about wireless security in the physical layer, dealing namely with Access Points AP. It is recommended to secure wireless LANs with a layered approach. Where best to...

Tags: Physical Layer, WLAN, Multimedia University, Access Point, LANs, Wireless LANs, Wi-Fi, Wireless, Networking

White papers 2006-05-01

Design Considerations and Initial Physical Layer Performance Results for a Space Time Coded OFDM 4G Cellular Network

The exponential growth of cellular radio, WLANs and the Internet sets the context for a discussion on the role and objectives of 4G. In this paper OFDM is proposed as a leading candidate for a 4G cellular communications standard. The key design considerations and link parameters for a 4G OFDM...

Tags: 4G, Physical Layer, Performance, OFDM, Cellular Phones, Wireless, Consumer Electronics, Personal Technology

White papers 2005-08-01

Comparing Energy-Saving MAC Protocols for Wireless Sensor Networks

Applications for wireless sensor networks have notably different characteristics and requirements from standard WLAN applications. Low energy consumption is the most important consideration. The low message rate that is typical for sensor network applications and the relaxed latency requirements allow for significant reductions in energy consumption of the radio. This...

Tags: Physical Layer, Network, Wireless Sensor Network, Springer Science+Business Media, Energy Consumption, Networking, Wireless

White papers 2005-07-16

Performance Analysis of the IEEE 802.11 MAC and Physical Layer Protocol

This paper presents an analytical model that accounts for the positions of stations with respect to the Access Point AP while evaluating the performance of 802.11 MAC layer. The work discussed in this paper is based on the Bianchi's model where the performance of 802.11 MAC layer is computed using...

Tags: Physical Layer, IEEE 802.11, MAC, Performance, Computer Science, Access Point, Wireless LANs, Performance Management, Wireless, Wi-Fi, Human Resources, Workforce Management

White papers 2005-03-08

Intel(R) 82559 Fast Ethernet LAN on Motherboard 9.2 (Windows)

The 82559 10/100 Mbps Fast Ethernet controller with an integrated 10/100 Mbps physical layer device is Intel’s leading solution for PCI board LAN designs. It is designed for use in Network Interface Cards NICs, PC LAN On Motherboard LOM designs, embedded systems and networking system products. The 82559 combines a...

Tags: Physical Layer, Network, Ethernet LAN, Fast Ethernet, Microsoft Windows, Motherboard, Intel Corp., LANs, Networking

Software downloads 2005-01-12

IC Plus IP1000 Family Gigabit Ethernet Adapter 2.17.50111.0 (Windows)

The IP1000A is a truly 10/100/1000Mbps Gigabit Ethernet NIC single chip which it incorporatesa 32-bit PCI interface wit bus master support. It is manufactured using standard digital CMOSprocess and contain all the active circuitry required to implement the physical layer functions to transmit and receive data on standard CAT5 unshielded...

Tags: Physical Layer, Integrated Circuit, Gigabit Ethernet, Microsoft Windows, IP1000A, PCI, Networking, Storage, Hardware

Software downloads 2005-01-11

Technician Dr. DSL: ADSL2 Modem Diagnostics Software for Field Testing

While much of the focus on ADSL2 and ADSL2+ has been on their extended reach and increased data rates, these standards include impressive physical layer diagnostics designed to qualify customers for new services, troubleshoot failures and monitor ongoing performance. ADSL2 and ADSL2+ modems will likely become an efficient method of...

Tags: Software, Physical Layer, ADSL, DSL, Broadband Internet, Network Technology, Modems, Telecommunications, Personal Technology, Networking, Hardware, Components

White papers 2004-11-01

Intel(R) 82559 Fast Ethernet LOM with Alert on LAN* 8.0.13.0 (Windows)

IntelR 82559 Fast Ethernet LOM with Alert on LAN*:The 82559 10/100 Mbps Fast Ethernet controller with an integrated 10/100 Mbps physical layer device is Intel’s leading solution for PCI board LAN designs. It is designed for use in Network Interface Cards NICs, PC LAN On Motherboard LOM designs, embedded systems...

Tags: Physical Layer, Network, Fast Ethernet, Microsoft Windows, Intel Corp., Networking

Software downloads 2004-08-19

Broadcom NetLink (TM) Gigabit Ethernet 7.84.0.0 (Windows)

Broadcom NetLink TM Gigabit Ethernet is a fully integrated 10/100/1000BASET Gigabit Ethernet media access control and physical layer transceiver PHY solution for client networking applications. The NetLink combines a triple-speed,IEEE 802.3 compliant media access controller MAC,a PCI v2.2 bus interface,an on-chip buffer memory, and an integrated PHY in a single...

Tags: Physical Layer, Broadcom Corp., Gigabit Ethernet, Microsoft Windows, Broadcom NetLink, Network Technology, Ethernet, Networking

Software downloads 2004-08-05

Intel(R) 82559 Fast Ethernet LOM with Alert on LAN* 6.1.3.10 (Windows)

IntelR 82559 Fast Ethernet LOM with Alert on LAN*: IntelR 82559 Fast Ethernet LOM with Alert on LAN*:The 82559 10/100 Mbps Fast Ethernet controller with an integrated 10/100 Mbps physical layer device is Intel’s leading solution for PCI board LAN designs. It is designed for use in Network Interface Cards...

Tags: Physical Layer, Fast Ethernet, Microsoft Windows, Intel Corp., Networking

Software downloads 2002-04-30