Wavtrace Announces The PTM 2000--A Next Generation Point to Multipoint System.Business Editors, High-Tech Writers SAN FRANCISCO--(BUSINESS WIRE)--March 14, 2000 The Wavtrace PTM PTM Post-Translational Modifications PTM Porsche Traction Management PTM Point-To-Multipoint PTM Please Tell Me PTM Packet Transfer Mode PTM Pulse-Time Modulation PTM Portugal The Man (band) PTM Predictive Technology Model 2000(TM) with BigBurst(TM) airlink technology provides 180 Mbps burst capability Wavtrace, Inc., a world leader in the development of wireless broadband High-speed wireless transmission of data. What is "high" speed is always a changing number. Wireless systems are typically slower than land-based, wireline networks. In the past, wireless broadband started at 250 Kbps, whereas land-based broadband was generally considered to start at T1 access systems based on adaptive time division duplexing (TDD (Time Division Duplexing) A transmission method that uses only one channel for transmitting and receiving, separating them by different time slots. No guard band is used. Contrast with FDD. See also TDD/TTY. TDD - Telecommunications Device for the Deaf ) technology, unveiled its next generation system today at the Broadband Wireless See wireless broadband. World Forum in San Francisco San Francisco (săn frănsĭs`kō), city (1990 pop. 723,959), coextensive with San Francisco co., W Calif., on the tip of a peninsula between the Pacific Ocean and San Francisco Bay, which are connected by the strait known as the Golden . The system, the Wavtrace PTM 2000 with BigBurst(TM) airlink technology, is the latest evolution of adaptive TDD point-to-multipoint system design for which Wavtrace was recently awarded a patent. The PTM 2000(TM) has payload transport capacity of 3.6 Gbps. It can support 20 carriers and 128 remote terminals per carrier for a total of over 2500 remote terminals per hub. The BigBurst(TM) airlink, the core of Wavtrace's patented technology, provides a burst rate of 180 Mbps per carrier--the biggest burst rate in the industry. "The capability of the system to burst at such a high rate is a function of Wavtrace's adaptive TDD (time division duplex) airlink and very high speed modems," said Thomas T. van Overbeek, president and CEO (1) (Chief Executive Officer) The highest individual in command of an organization. Typically the president of the company, the CEO reports to the Chairman of the Board. of Wavtrace. Adaptive TDD is the best architecture for transporting data in point to multipoint networks because it maximizes the number of bits you can deliver to the edge of the network for a given amount of spectrum. TDD utilizes a single channel for both send and receive transmissions. Because any part of the channel, up to its full capacity, can be used in either the forward or reverse direction, the PTM 2000(TM) with BigBurst(TM) airlink technology allows a new level of `bandwidth on demand' capability. The PTM 2000(TM) is economical for "first-in" deployments as well as large scale, fully redundant network buildouts. Its integrated systems architecture Integrated Systems Architecture - (ISA for ODP) An Esprit 2 project continuing the ANSA project. supports IP, ATM, and TDM (Time Division Multiplexing) A technology that transmits multiple signals simultaneously over a single transmission path. Each lower-speed signal is time sliced into one high-speed transmission. connectivity, enabling a wide range of services such as high speed internet access See how to access the Internet. , LAN (Local Area Network) A communications network that serves users within a confined geographical area. The "clients" are the user's workstations typically running Windows, although Mac and Linux clients are also used. interconnect, and multimedia. The system supports sector sizes of 30, 60 and 90 degrees and channel sizes of 12.5, 14, 25, 28, 50, and 56 MHz (MegaHertZ) One million cycles per second. It is used to measure the transmission speed of electronic devices, including channels, buses and the computer's internal clock. A one-megahertz clock (1 MHz) means some number of bits (16, 32, 64, etc. with flexible deployment and redundancy options. The system's underlying ATM architecture and standards-based QoS can be utilized to provision differentiated services Offerings that can be classified by type, or quality, of service. For example, a differentiated services network could prioritize real time traffic for a higher fee. , including prioritized voice, video, and business-critical applications. With N:1 redundancy for all critical system components and 1:1 redundancy for switching, the PTM 2000 provides very high availability Also called "RAS" (reliability, availability, serviceability) or "fault resilient," it refers to a multiprocessing system that can quickly recover from a failure. There may be a minute or two of downtime while one system switches over to another, but processing will continue. with carrier-class reliability. While voice has been growing 10 percent per year, data traffic, as a result of the Internet, has been doubling every six months. If these trends continue, aggregate demand for services will be 500 times today's in five years. DSL DSL in full Digital Subscriber Line Broadband digital communications connection that operates over standard copper telephone wires. It requires a DSL modem, which splits transmissions into two frequency bands: the lower frequencies for voice (ordinary is capacity-constrained. Fiber is not economic to deploy outside of the urban core. Fixed wireless systems, like the PTM 2000, will be employed to deliver broadband services to enterprises and multiple unit dwellings outside the urban core. Today, DSL is being aggressively deployed in multi-tenant buildings in metropolitan areas for 1-2 Mbps services, and fiber is being deployed to the largest buildings for rates above 155 Mbps. "Fixed wireless broadband access systems will see the most action in the under-served small and medium enterprise," says David Hawley David Hawley (1741–1807), Captain in the newly formed United States Navy and Privateer, fought in the first U.S. naval battle of the American Revolutionary War in 1776. Biography Hawley was born into a Connecticut seafaring family in 1741. , associate analyst at the Yankee Group (the Yankee Group, Boston, MA, www.yankeegroup.com) A major market research, analysis and consulting firm founded in 1970 by Howard Anderson. It provides general consulting and strategic planning in the computer and communications field. . "The sweet spot for carriers using these systems will be businesses who desire bundled carrier services at higher data rates than DSL, but who are not currently connected by fiber." "With the PTM 2000 system, operators will be able to deliver broadband services compatible with ubiquitous network standards--services such as IP, 10/100 BaseT, OCn rate ATM, and xDSL," continued van Overbeek. "It will enable operators to profitably deliver premium services at high bit rates, and generate more revenue per megahertz One million cycles per second. See MHz. MegaHertz - (MHz) Millions of cycles per second. The unit of frequency used to measure the clock rate of modern digital logic, including microprocessors. of spectrum than any other system in the market." ABOUT WAVTRACE Wavtrace, a private company founded in 1996, is a pioneer and leader in the development of wireless broadband access systems and has developed and patented the first point-to-multipoint millimeter wave radio system based on adaptive time division duplexing (TDD) technology. The system is designed for superior efficiency in the wireless transport of two-way, voice, data, and video using a single communications channel Also called a "circuit" or "line," it is a pathway over which data are transferred between remote devices. It may refer to the entire physical medium, such as a telephone line, optical fiber, coaxial cable or twisted wire pair, or, it may refer to one of several carrier frequencies . Wavtrace systems have been in operation for 15 months and have been trialed successfully with several operators, including Formus and NEXTLINK, and are currently operating at Virginia Tech in Blacksburg, Virginia Blacksburg is an incorporated town located in Montgomery County, Virginia. As of the 2000 census, the town had a total population of 39,573, making it one of Virginia's larger towns. and at Wavtrace's corporate headquarters in Bellevue, Washington Bellevue is a rapidly growing city in King County, Washington, U.S., across Lake Washington from Seattle. Long known as a suburb or satellite city of Seattle,[1] it is now categorized as an edge city or a boomburb. . For more information, please visit www.wavtrace.com Wavtrace PTM 2000(TM) with BigBurst(TM) Airlink
Features and Benefits
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Duplexing Adaptive TDD 20-50% greater throughput
technology than FDD systems
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Real time Less than 10 Highest spectral efficiency;
adaptivity milliseconds QoS enabler
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Payload transport 4 Gbps Supports large deployments,
capacity per hub simplified network
expansion, greater
sharing of capital
equipment expenditures,
smaller footprint
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Transport capacity 240 Mbps gross/ Higher statistical gain,
per RF carrier 180 Mbps payload reduced capital
expenditures
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Remote terminals 128 Support for high density
per carrier metropolitan areas and
large-scale network
deployments
Carriers per
hub 22 (up to)
Remote terminals
per hub 2500+
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Modulation choices 4, 16, 64 QAM Dynamically adjustable
modulation for efficient
tradeoff between link range
and capacity
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Modem speeds 10, 20, 40 Mbaud Efficient use of various
channel sizes, narrow to
Channel sizes 12.5, 14, 25, 28, wide, for worldwide
50, 56 MHz deployment simplicity
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Sector sizes 30, 60, and 90 Flexibility for first-to-
degrees market, and large scale
deployments
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Base protocols ATM, IP, TDM Enabler of differentiated
services, efficient transport
of voice, video, and data
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Redundancy N:1 for hub IDU High system availability
system components,
N:1 for switching
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Hub network Dual port ATM Very high speed Internet
interfaces (OC-12c/STM-4, connectivity
OC-3c/STM-1, DS3/E3)
dual port 10/100BaseT
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Remote interfaces ATM (DS3/E3, Seamless connectivity to
OC-3c/STM-1), existing local area
NxT1/E1, 10/ networks at customer premises
100 BaseT, xDSL
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