How To Extend A Cell Phone Over Wireless To A Long Distance Over A Cell Tower

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1 Airmux System Total Network Access Solutions over Broadband Wireless Airmux Innovative Access Solutions

2 elephony Extension Vmux-2100 E1/T1 E1/T1 Headquarters PSTN Telephony Extension Voice Traffic Extension over Wireless The Airmux system, incorporating RAD s Vmux compressed voice equipment, offers a cost-effective solution for extending an E1/T1 voice circuit up to 80 kilometers (50 miles) in a point-topoint application. The solution offers better price/performance than microwave for voice intensive applications. The Vmux has a 16:1 compression ratio, which means an E1/T1 link can be reduced to 128 kbps for optimal cost/performance. Since rate and range are adaptive, the high compression ratio Router Extended range for voice intensive applications Up to 80 km/50 miles IP / TDM Network IP or E1/T1 enables wireless transport over longer distances. It maintains toll quality voice while achieving the highest compression ratio for voice transmissions over TDM and IP networks. Voice activity detection and silence suppression allow the Vmux-2100 to dynamically utilize bandwidth for voice traffic and fax or modem relay, resulting in very efficient bandwidth usage over fewer lines, while signaling information is transmitted separately. Branch #1 Vmux-110 Vmux-110 E1/T1 Branch #2 E1/T1 PBX PBX High link utilization with up to 16:1 compression ratio Adaptive rate and range enables extending E1 or T1 over IP up to 80 kilometers (50 miles) High-quality voice communications

3 Lossless Backhaul for Hot Spots The nearly insatiable popular demand for ubiquitous Internet access is driving many ISPs to roll out Internet hot spots in public spaces as well as commercial properties. Their business model requires them to keep backhaul costs as low as possible. For this reason, wireless is an option even in areas where there is suitable landline infrastructure. The offers high-capacity transparent lossless transport of packets even under extreme link conditions. This ensures communications reliability from the most remote sites. In addition, the wide frequency band range of the supports virtually unlimited band and channel separation. This reduces the possibility of interference between the WiFi and Airmux networks, further enhancing the quality of the broadcast. Just as beneficial for hot spot deployment is the Airmux s extended range. The device can transmit a 1 Mbps stream to a maximum distance of 80 kilometers (50 miles). : Lossless flow guarantees maximum reliability Supports full 5.x GHz, 4.9 GHz and 2.4 GHz bands for hot spot backhauling, including band and channel separation Transparent forwarding and power over ODU/IDU connection Hot Spot ISP 5.x, 4.9 or 2.4 GHz Access Point Router Packet Switched Network Using wireless to achieve high-quality, low cost backhaul of hot spot traffic

4 Interconnecting Multiple Legacy Services over Packet Networks Metro service providers and alternative carriers deploying converged voice and data services over their packetswitched networks face several challenges. One is to provide their customer base with cost-effective managed Last Mile access. Another is to provision both telephony and LAN services over the same Metro infrastructure, reducing operational costs. RAD s Airmux wireless system offers the most cost-effective alternative to using leased lines or a wholesale LAN extension service for broadband services. The operator can transport multiple E1/T1s, as well as native, over an radio link. Combined with RAD s IPmux TDMoIP gateways, the Airmux system enables end-to-end transmission of multiple user services over a Gigabit /MPLS/IP network. V.35 Router IPmux-14 LAN The IPmux acts as a demarcation device, employing traffic management tools such as rate limiting and VLAN stacking. TDM traffic is effectively aggregated at the central site by the D End-to-end transmission of multiple IPmux and handed off to the PSTN. Endto-end service provisioning is available with the RADview and the RADview Service Center management tool. user services over packet-switched networks traffic management tools for reduced operating costs 4-16 E1/T1 IPmux-8/ IPmux-16 Services over Fiber, Cable, PLC IPmux-14 n x E1/T1 PBX End-to-end service provisioning for faster deployment NMS LAN Deploying managed services and TDM circuits over a converged access network using wireless Wireless Backup Many organizations rely on wireless communications to back up their transmission of mission-critical applications. Wireless links are less expensive than redundant fixed line connections and are not liable to accidental fiber cuts or degradation of copper quality. RAD s Airmux system, incorporating the company s DXC digital cross connect, provides a powerful low-cost wireless link with built-in automatic failover. This enables mission-critical data to be shunted to the link quickly and efficiently should there be an interruption of service on the main link. Typical applications include brokerage houses and other financial organizations, government offices, health facilities, and the military. Automatic switch-over ensures protective failover of under 50 msec High reliability of radio link Common management platform Site A Site B G.703 DXC Fiber optics or Copper DXC G.703 Wireless backup of mission-critical applications RADview NMS

5 Emergency Services and Temporary Deployment Establishing temporary communications links during an emergency situation is a classic wireless application. RAD s complete access solution, incorporating the wireless multiplexer and the company s compact data/voice multiplexers and digital cross connects, enables rapid deployment of multiple emergency communications services with optimal mobility. All system components are interoperable and managed from the same management platform, guaranteeing maximum operational reliability. Rapid installation, easy set-up and quick antenna alignment smooth deployment in times of natural or man-made disasters. An automatic configurable channel selection wizard contributes to finding an open frequency in the shortest time possible. The Airmux system has enhanced security mechanisms and advanced encryption safeguards, making it the ideal standard wireless solution for military and police applications. Central Site n x links Switch Remote Site DXC Switch nxe1 Megaplex Simple setup, configuration and antenna alignment ensure rapid deployment of multiple services Benefits and Features Compact all-in-one system fits easily into emergency vehicles Support for multiple services, longer ranges Rapid installation and quick channel selection of available frequencies Enhanced security methods

6 Daisy Chain and Ring Topologies Multiple Services in a Daisy Chain Topology Many applications in the utilities, transportation and mobile sectors require linking geographically distant communications field units containing controllers, signaling mechanisms, alarms, surveillance devices, key systems or telephony switches and management stations in a daisy chain topology. This is to save on leased line costs or because infrastructure is lacking. The, combined with RAD s dedicated data/voice multiplexers, is an effective end-to-end solution and attractive alternative to expensive terrestrial or microwave links. RAD offers a complete converged system on a unified management platform, supporting high-speed and low-speed data, analog and digital voice, LAN, and video. Drop-and-insert topology saves cost of leased lines or investment in infrastructure Easy deployment of a variety of services Optimized solution for specific node requirements Unified management platform simplifies operation Guaranteed interoperability Switch V.52 Megaplex-2104 FCD-IP FCD-IP Router Megaplex-2104 Data/voice convergence for drop-and-insert applications over wireless Protected E1/T1 Ring Topology Maximum system uptime is a must for many networking applications. Ring topologies go a long way toward ensuring that, in the event of link failure, Fire Alarm data can be routed quickly through an alternative communications channel. The, combined with RAD s FCD-IP 4 x E1/T1 Ring Megaplex-2104 data/voice multiplexers, offers a unique under-50 msec restoration capability over an n x E1/T1 wireless ring. This maintains the integrity of the network communications connection. Megaplex-2100 Unique ring protection with under-50 msec restoration maintains network integrity Optimized solution for specific node requirements Rapid deployment of multiple services NMS Servers PBX 50 msec restoration of E1/T1 rings

7 Cellular Backhaul With cellular coverage becoming available in even the most rural regions, more and more mobile network operators are resorting to wireless systems for backhaul of their cellular traffic. Some estimates indicate that 70 percent of cellular backhaul is wireless, typically microwave links. The Airmux system, incorporating RAD s small-footprint DXC cross connect, is a cost-effective complementary technology to more expensive microwave wireless connections. Airmux, together with the DXC, supports integration of cellular, monitoring and management traffic. Several Airmuxes can be co-located at the BSC to handle incoming traffic from various remote sites, and the DXC can aggregate the multiple E1/T1s for transport over E3/T3 or STM-1/OC-3 circuits. BTS Site nxe1 BTS Cost-effective alternative to microwave High link availability Future migration to IP 3G BTS BSC Site 10/100BT Packet n x links Switch BTS Site DACS nxe1 E3 BTS TDM BSC Integration of cellular, monitoring and management traffic over wireless backhaul

8 irmux Connecting Multiple Services and over TDM and Packet Networks Using Broadband Wireless Point-to-point broadband wireless communications are booming everywhere, spurred by deregulation of radio frequencies and increased demand by just about everybody for network access anytime, anyplace. Leased line savings, lower operating costs and rapid deployment of services are just some of and more transmissions are shifting to the newly available 5.x GHz radio band. While is the most popular application, the introduction of a costeffective broadband wireless multiplexer like the is enabling transport and backhaul of multiple services with unbeatable price/performance. This ensures the interoperability of all system components reducing deployment time and expenses. The entire system can be monitored and managed from a single network management platform, simplifying operations and cutting operational costs dramatically. the compelling commercial reasons why In addition to rapid ROI, the Airmux The diagrams and applications included enterprises and service providers alike system offers the added value of a in this guide are intended to serve as a are electing to use wireless links instead complete access solution, incorporating quick reference to the most common of terrestrial connections. As the both network access equipment, such as broadband wireless transport and popular and ubiquitous 2.4 GHz multiplexers, integrated access devices backhaul solutions for converged data, frequencies become congested, more and TDMoIP gateways, and radio units. voice and LAN services. V.24 Remote Site E1/T1 Up to 80 km (50 miles) Headquarters nxe1 PSTN Server Megaplex PBX n x FXS V.35 Router Switch LAN LAN Switch Packet Typical broadband wireless application provides a quick return on investment in a variety of campus, enterprise and service provider applications. Main Applications: Lossless Backhaul for Hot Spots Interconnecting Multiple Legacy Services over Packet Networks Wireless Backup Emergency Services and Temporary Deployment Multiple Services in a Daisy Chain Topology Protected E1/T1 Ring Topology Cellular Backhaul Telephony Extension

9 Telephone Service Extension to Remote/Rural Locations In many remote parts of the developing world where infrastructure is lacking, operators are establishing public call centers to provide basic telephony services. The Airmux system, incorporating RAD s Megaplex channel banks, enables service providers to extend voice circuits to remote sites. Compact Megaplex PCM-encoded channel banks can support up to 16 FXS voice channels. A larger Megaplex device at the central site provides aggregation to the PSTN. Public Call Center 5.x, 4.9 or 2.4 GHz E1 Megaplex-104/ Megaplex-204 E1 Public Call Center 5.x, 4.9 or 2.4 GHz PSTN Megaplex-104/ Megaplex-204 E1 E1 Megaplex-2104/ Megaplex-2100 Extending analog voice circuits over wireless Extending telephony services to rural areas Compact channel banks at remote sites, together with aggregation in the center, provide a complete solution over a common management platform

10 Installa Easy Installation, Alignment and Management The Airmux system offers more than just an attractive price-point per link and powerful performance characteristics. Ease of installation and alignment, along with smart management capabilities, make setup and configuration a snap. Buzzer indicates signal strength Consider these advantages: No need for digital volt meter (DVM) Survey performed by outdoor unit Audio indication for optimal received signal strength (RSS) Per-link configuration and settings Unique system signal identification No pre-installation setting is required Lightweight outdoor unit SNMP-based Installation wizard Link-based configuration for management of link with single IP address On-line monitoring of air interface, E1/T1 and services E1/T1 local and remote loopbacks Over-the-air software upgrade RADview SNMP network fault management

11 Frequency Bands Channel Bandwidth RF Channel Selection Compliance Polarization GHz GHz GHz GHz GHz 20 MHz Via NMS, 5 MHz Resolution FCC (5.8, 5.2, 4.9, 2.4 GHz) ETSI (5.4, 2.4 GHz) CAN/CSA (5.8, 5.2, 2.4 GHz) Linear (V or H) Antenna Gain (dbi) Antenna Beamwidth (degrees) 5.8, 5.4, 5.2 GHz 5.8 GHz 4.9 GHz 2.4 GHz 5.8, 5.4, 5.2 GHz 4.9 GHz 2.4 GHz Integrated External (parabolic antenna) Rate (Mbps) Sensitivity BER < 10e-9 Modulation QPSK QPSK QAM QAM

12 The RAD name and logo and TDMoIP are registered trademarks of RAD Data Communications Ltd. Airmux, IPmux, Megaplex, and Vmux are trademarks of RAD Data Communications Ltd RAD Data Communications Ltd. Specifications are subject to change without prior notification. All rights reserved. Catalog no Version 10/05