Wireless Local Loop Fixed wireless communications solutions providing telephone, voice, high-speed data and Internet services Download PDF

Globecomm Systems Wireless Local Loop Access Systems are improved pre-engineered designs that take advantage of SCDMA telephone transmission technology originally developed for military communications. These systems provide a full range of high-quality telephone and data services in areas where the wireline telephone infrastructure is either overburdened, damaged or absent.

Telephone service providers can now have the rapid and easy expansion of their telephone services anywhere in the world, in unwired markets, without the high costs and logistical nightmares associated with obtaining rights of way and easements, erecting hundreds or thousands of poles, stretching cables for miles or digging miles of trenches. In addition, with Globecomm Systems Wireless Local Loop Access Systems, there is none of the costly maintenance that is required to protect all those miles of wireline infrastructure. Subscribers quickly get the benefits of the full range of today's most modern telephone and data services, without experiencing long delays and the high passed-down costs associated with establishing new wireline service in rural and remote areas anywhere in the world.

Globecomm Systems is one of the world's leading suppliers of satellite and wireless communications systems and networks. We recognize that to configure networks requires innovation in design, integration and implementation for the solution to achieve maximum performance and economy. Such innovation is one of our strengths. With our broad multi-disciplinary engineering and design capabilities, we can integrate our Wireless Local Loop Access Systems into networks that meet the needs of both telephone service providers and their customers anywhere in the world.

Features:

• SCDMA technology
• Easy expansion of telephone services in unwired markets
• Reliable Internet connectivity
• Toll-quality voice
• High-speed data
• ISDN
• Multi-line subscriber "radios"
• Rapid, simple deployment
• Up to 50 km range
• SCDMA security
• Ideal for use in interference-adverse environments
• Multiple internationally-accepted operating bands
• Full local exchange switch
• Trunk (concentrated) PSTN interface
• Analog or digital PSTN interfaces
• Efficient relocation of customer equipment
• Suitable for "last-mile" distribution of satellite network communications
• Pre-engineered designs for quick reaction, proven performance and lowest cost

Application Information:

• New service in urban, suburban and rural areas
• Wireless overlay of existing wireline services
• Rapid expansion of telephone service to be followed by wireline
• Provision of additional lines of service in saturated areas
• Dedicated high-speed data connections via "radio"
• Multi-line services
• Customer-to-ISP Internet data connections
• Disaster recovery
• Large-campus wireless telephone systems RBU

You Can Rely On Globecomm Systems Network Design and Implementation

Spectral Efficiency:

SCDMA is the most efficient spread spectrum transmission available. It has capabilities up to five times greater than conventional CDMA. Inherent 1:1 frequency re-use supports new cells as subscriber density increases.

Central Office Capability:

Interface to the PSTN is through a full-function class 5 switch, which supports multiple protocols such as V5.1, GGS and CAS with V5.2 soon to follow. Call-forwarding, conferencing, call-waiting, billing, tolling, etc. are available.

Enhanced Functions:

Multi-level priority calling is available for emergency applications to support hospitals, fire, police, VIP services or other requirements.

Security:

Extensive fraud and theft prevention capabilities provide high security against interception and physical theft.

Service:

Fax systems, modems, computers and standard telephone equipment, including pay phones, are supported with data rates up to 64 kbs and ISDN. Internet access is readily achieved via ISPs.

Value:

The concentration of subscribers readily achieved with this technology allows the operator to deploy cost-effective, high quality services for high data rates, fax traffic, leased services, ISDN and Internet access.

Equipment Summary

SU - Subscriber Unit:

A wall- or pole-mounted antenna with integrated electronics. Serves 1, 2, 4 or 8 telephone subscribers. Advanced services are available using the ISDN Subscriber Unit (ISU) and the X.21 Subscriber Unit (XSU).

NTU - Network Terminal Unit:

Small, wall-mounted connection point for subscriber telephone wiring.

UPS - Uninterruptible Power Supply:

Connects to subscriber's power source. Contains voltage regulators and emergency backup battery providing an average of six hours talk time. Microprocessor-controlled charging. Reports battery and AC status to the Element Management System.

RBU - RADIO BASE UNIT:

The central equipment that services all subscribers within the coverage area.
NIU - Network Interface Unit:
Interfaces between radio elements and the Public Switched Telephone Network (PSTN).

EMS - Element Management System:

PC- or workstation-based Operation, Administration, Maintenance and Provisioning (OAM & P) terminal.