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Radio Frequency Data Communications
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Trends in WLAN Technology
by Future Communications Software
Published: December 1, 2002  Type: White Paper

Wireless LANs effectively combine data connectivity with user mobility. Wireless LANs today provide wireless access to vital network resources such as large, multi-location enterprises, small and medium size enterprises as well as hospitals, hotels, airp

Techniques to Enhance Wireless Local Area Network (WLAN) Performance
by Marvell
Published: December 1, 2002  Type: White Paper

This paper first details two challenges that a WLAN chipset must overcome in order toaccomplish this goal: signal attenuation caused by reflectors (walls and objects) andunpredictable multi-path effects in a given environment. Their solutions will then b

Channel Overlap Calculations for 802.11b Networks
by Cirond Corporation
Published: November 1, 2002  Type: White Paper

The commercial success of the IEEE 802.11b wireless networking standard is leading to ever more crowded usage of the 2.4 GHz ISM band. Current literature suggests that only three independent channels (1, 6, and 11) may be used when using 5.5 or 11 Mbps D

Extending the Enterprise - A Bottom-line Look at Extending Network Access to Mobile Workers
by Cisco Systems, Inc.
Published: October 1, 2002  Type: White Paper

This paper discusses the business benefits, costs, and expected payback of expanding highly mobile knowledge workers' access to the corporate network.

Open Spectrum: The New Wireless Paradigm
by New America Foundation
Published: October 1, 2002  Type: White Paper

This paper introduces concept of Open spectrum. Open spectrum is neither science fiction nor wishful thinking about human nature. Its ideas are rooted in well-established engineering techniques and mainstream economics, and its viability has been proven

SpotCell Dramatically Improves In-Building Data Throughput
by Spotwave Wireless
Published: October 1, 2002  Type: White Paper

This paper examines how deploying SpotCell adaptive repeaters inside buildings can dramatically increase wireless data throughput.

Comparison of Wireless LAN Radio Performance
by Intersil
Published: October 1, 2002  Type: White Paper

With the explosion of Wireless Local Area Network (WLAN) deployment, recent magazine articles have appeared comparing the performance of various vendors' end products. Propagation of radio frequency signals at the microwave frequencies used in WLAN's is

WLAN RFICs Drive Next-Generation Test Requirements
by Credence Systems
Published: September 1, 2002  Type: White Paper

Evolving consumer demand for flexible, high-bandwidth applications is fueling a race for a new generation of high-performance wireless local-area network (WLAN) products. than seen before in commercial communications products. For semiconductor companies

Use of Asymmetrical Advance coding for 802.11g and 802.11NG
by VOCAL Technologies, Ltd.
Published: September 1, 2002  Type: White Paper

This paper proposes the use of Asymmetrical Advanced Coding Techniques (AACT) for the 802.11g and the 802.11NG. Theses Asymmetrical Advance Coding Techniques have the main purpose of saving power in the mobile device.

WLANS Interference Management
by Australian Communications Authority
Published: July 1, 2002  Type: White Paper

This white paper reports on the spectrum management arrangements for IEEE 802.11 devices in various countries, mainly in the USA and across Europe. This includes the level of regulatory protection offered to radio communications using these devices under

Trade-Off Analysis (802.11e versus 802.15.3 QoS Mechanism)
by Xtreme Spectrum
Published: July 1, 2002  Type: White Paper

In recent years, there has been a number of MAC protocols proposed to efficiently handle prioritized and parameterized QoS based traffic. In this paper, we intend to review two of the most popular ones: IEEE 802.11e draft D3.0 versus IEEE 802.15.3 draft

Outdoor IEEE 802.11 Cellular Networks: Radio Link Performance
by AT&T
Published: July 1, 2002  Type: White Paper

This paper explores the feasibility of designing an outdoor cellular network based on the IEEE 802.11 Standard, which was developed originally for wireless local-area networks. While standards bodies, manufacturers and service providers are actively deve

Troubleshooting Common Wireless LAN Radio Problems
by Intersil
Published: June 1, 2002  Type: White Paper

This paper discusses common WLAN transmitter and receiver problems and their solutions. Orderly diagnostic procedures are presented to rapidly zero in on the source of trouble. Tried and proven mitigation techniques are discussed. The paper concentrates

Autocorrelation - A New Differentiating Domain For Multiple Access Wireless Communications
by AT&T
Published: February 1, 2002  Type: White Paper

In this paper, a new differentiating domain, the autocorrelation of the transmitted signals, is exploited, and a new random multiple access method, based on the principle of Autocorrelation Matching (AM), is developed on top of it. The advantages of havi

A Comparison of Bluetooth and IEEE 802.11
by Bluetooth Designer
Published: December 1, 2001  Type: White Paper

This document provides a comparison of Bluetooth and 802.11. It provides information on forecasted markets, an 802.11 technical overview, OSI models, modes, features, international band plans, usage scenarios, and interoperability - UPF, Wi-Fi, coexisten

Apply Autocorrelation Matching Method to Outdoor Wireless LAN on Co-Channel Interference Suppression and Channel Equalization
by AT&T
Published: December 1, 2001  Type: White Paper

This paper presents an application of a new signal processing technique, called the Autocorrelation Matching (AM) method, to outdoor 802.11b wireless LAN operation. Since wireless LAN uses unlicensed spectrum, outdoor wireless LANs may suffer strong co-c

Interference in the 2.4 GHz ISM Band: Challenges and Solutions
by National Institute of Standards and Technology
Published: June 1, 2001  Type: White Paper

Most emerging radio technologies for Wireless Personal Area Networks such as the Bluetooth protocol are designed to operate in the 2.4 GHz ISM band. Since both Bluetooth and IEEE 802.11 devices use the same frequency band and may likely come together in

High Speed WLANs: Moving Toward a 5-GHz Solution
by IceFyre Semiconductor
Published: April 1, 2001  Type: White Paper

New high-performance wireless local area networks (WLANs) must be able to interoperate with installed 802.11b equipment, and WLAN standards need to address this issue so that upgrade paths from 2.4-GHz systems are clearly identified. In fact, companies t

DBASE : a Distributed Bandwidth Allocation/Sharing/Extension Protocol for Multimedia over IEEE 802.11 Ad Hoc Wireless LAN
by IEEE
Published: April 1, 2001  Type: White Paper

In this white paper we propose a distributed bandwidth allocation/sharing/extension (DBASE) protocol to support multimedia traffics with the characteristics of variable bit rate (VBR) and constant bit rate (CBR)over ad hoc WLAN.

PARO: a Power-Aware Routing Optimization Scheme for Mobile ad hoc Networks
by Columbia University Department of Computer Science
Published: February 1, 2001  Type: White Paper

Due to fact that mobile ad hoc nodes have a critical need to preserve battery power, MANET routing protocols need to consider power saving techniques during operations. In this Internet-Draft we discuss PARO, a Power-Aware Routing Optimization protocol t