HUAWEI TECHNOLOGIES CO., LTD.

Networking IP Radio, Creates Value— RTN 900 Radio Transmission System

With a deep understanding of the requirements from

operators and the development trend of microwave,

Huawei Technologies has developed RTN 900 series,

the first Packet microwave radio transmission system in

the industry. Taking the advantages of IP-oriented and

broadband-oriented features, RTN 900 series have helped

hundreds of operators achieve the transformation towards

All-IP.

RTN 900 series have been designed with packet switching

core. Pure packet architecture is adopted for air interface to

greatly increase the efficiency of data transmission. The RTN

900 family is composed of RTN 910 and RTN 950, which

are based on the same hardware and software platform.

The RTN 910, a 1U-high and pluggable device with two RF

directions, is mainly used for site access. The RTN 950, a 2U

high and pluggable device with six RF directions, is mainly

used at convergence layer. The RTN 900 series can share

service boards, IF boards and outdoor units such as ODUs

and antennas.

NodeB

Wimax

eNB

eNB

eNB

eNB

eNB

RTN 910 RTN 950

BSC/BNC/aGW

LTE

LTE

Networking IP Radio, Creates Value—RTN 900 Radio Transmission System

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Industrial Base

Bantian Longgang

Shenzhen 518129, P.R. China

Tel: +86-755-28780808

Version No.: M3-013030801-20110217-C-1.0

www.huawei.com

In the microwave radio domain, Huawei boasts cutting-edge technologies in wireless radio frequency (RF),

IP-based data communications, and optical transmission. This advantage is backed by a team of hundreds of

experienced R&D engineers engaged in radio technologies and product R&D in Huawei research centers in

Shenzhen , Chengdu, Xi'an, Milan and Dallas. In 2007, Huawei pioneered the innovative "networking radio"

concept, and launched RTN Microwave Radio. In 2009, Huawei firstly launched hybrid/packet integrated

microwave in industry; By the end of 2010, Huawei has commercialized its radio equipment for more than

100 operators in over 100 countries around the world, including VDF, Telefonica, T-Moblie, Telenor, Nextel,

America Movil, Etisalat, Oi, STC, China Telecom, China Mobile, and China Unicom

With the development of mobile broadband services and rapid network expansions, however, operators

face the challenges of limited bandwidth and frequency spectrum resources and ever-changing service

requirements. Huawei has launched the innovative RTN 900 series digital IP radio systems, which are used on

transport networks as part of the mobile backhaul evolution from 2G to 3G/Wimax/LTE. These series systems

provide efficient packet data transmission and protect the original network investments, thus scaling down on

operators' network CAPEX and OPEX

Huawei RTN series radio microwave, the best Microwave Backhaul Solution of LTE era.

Copyright © Huawei Technologies Co., Ltd. 2011. All rights reserved.

No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.

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THERE ARE A NUMBER OF FACTORS THAT COULD CAUSE ACTUAL RESULTS AND

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MAY CHANGE THE INFORMATION AT ANY TIME WITHOUT NOTICE.

RTN 900 series radio is built based on packet switching, as

the unique IP radio device supporting end-to-end MPLS. It

builds out connection-oriented packet networks with other

equipment. The RTN 900 not only protects the network

investments but also supports smooth network evolution

towards packet networks.

IP-based OAM& protection: Ethernet /MPLS OAM for link

fault detection and performance monitoring implements

dedicated network management; ERPS and LSP protection

ensures carrier-class network reliability.

IP-based synchronization: Synchronous Ethernet and

IEEE1588v2 meet the requirement of phase and frequency

synchronization for 2G/3G/Wimax/LTE, saving the investment

on GPS deployment.

IP oriented microwave, meeting the requirements of network evolution

towards All-IP backhaul.

Key Features

Unified NMS solution for microwave and optical equipments,

provisions any end-to-end service with simple point-and-click

operations, which enables end-to-end service management

and enhances the efficiency of network operation.

Easy Installation and Commission: Synergy with wireless

network, unified network design & installation;

Supports pre-installation based on the site type, simplifying •

goods delivery.

Network planning for both the microwave radio •

transmission network and the wireless network can be done

by one associated group, streamlining the resources and

achieving high accuracy in network planning to improve

efficiency by 70%.

Construction of microwave radio networks and wireless •

base stations can be done by the same contractors,

reducing the engineering expenses. In this manner,

concurrent site survey and concurrent equipment

installation for the radio networks and wireless base

stations shorten the deployment duration by 30%.

Network aware microwave, improving the overall network

CAPEX and OPEX.

RTN 900 series radio implements 4 layer of header

compression (MAC-VLAN-MPLS-IP). The advanced header

compression technology achieves 1 Gbps bandwidth per

carrier and boosts the maximum capacity of 4Gbps per radio,

meeting the bandwidth requirement for mobile backhaul.

The hittless adaptive modulation (AM) technology

automatically adjusts the modulation schemes based on the

quality of radio links over the air interfaces and effectively

enhances the spectrum usage efficiency, so as to maximize

the transmission bandwidth at a fixed spectrum. Compared

with the technology using a fixed modulation mode, the AM

technology increases the transmission bandwidth by up to 4

times and cuts the spectrum expense.

Combined with advanced capacity-bundling features like

the Radio-Side LAG and Load Balancing Link Aggregation in

N+0 ,true Gbit/s capacity is achieved by Microwave Radio in

traditional RF bands.

V

H

V

H

GE

200M

1000M

200M300M300M

Air LAGAdaptive ModulationETH Header Compression

Broadband oriented microwave, addressing the required

increase in backhaul capacity.