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Wireless and Mobile Backhaul - R&D and Deployment Prospects
Frost & Sullivan, June 2009, Pages: 61
This research service assesses the recent trends and advances pertaining to wireless backhaul technologies in addition to providing strategies and recommendations for tackling the issues in this space.
This Frost & Sullivan research service titled Wireless and Mobile Backhaul - R&D and Deployment Prospects (Technical Insights) provides a thorough assessment of the wireless backhaul technologies with respect to the current needs in the mobile markets. The study offers a comprehensive analysis of the market drivers and challenges currently influencing the developments in the backhaul domain. The research also elucidates the different strategies that could potentially be employed for deploying and commercializing wireless backhaul technologies.
Market Overview
Spiraling Demand from High-bandwidth Applications Enables Backhaul Technologies to Gain Favor in the Wireless Space
With the emergence of an attractive market for mobile applications such as video streaming, online media sharing, and other resource-hungry data services, there is a critical need for existing mobile networks to support larger capacity and greater bandwidth. Emerging applications including context aware services and mobile advertising have enhanced the need for a complete broadband experience. The ability of backhaul technologies to satisfy high-bandwidth needs serves as a major force, driving their immediate adoption among the fraternity of service operators globally. With the availability of a host of emerging next-generation technologies such as 3G, long-term evolution (LTE), and worldwide interoperability for microwave access (WiMAX), the existing backhaul deployments built on fiber technology are gradually losing significance. 'The rising adoption of next generation networking (NGN) coupled with the drive towards establishing an all IP- networking -environment has severely undermined the functionality of the existing backhaul infrastructures,' notes the analyst of this research service. 'In this regard, the potential offered by microwave technology in facilitating a single converged backhaul platform for supporting an all-Internet-protocol (IP), packet-based network traffic is a key factor currently driving the implementation of mobile backhaul networks.'
With the ongoing trend to replace conventional T1 technology with Ethernet and microwave technologies for mobile backhaul, operators must accommodate the capability to support data applications without compromising the interests of traditional voice traffic. However, developing such a hybrid platform, which comprehensively supports time division multiplexing (TDM), asynchronous transfer mode (ATM), and other packet-based network traffic, poses a significant challenge to the developers in this domain. Therefore, the criticality of handling diverse network traffic on a single unified framework poses serious concerns in facilitating the smooth transition from conventional backhaul technologies to the next generation of microwave technologies.
A major drawback associated with the implementation of wireless backhaul is the ability to deliver the expected standard of carrier grade performance. Handling performance issues including jitter, bandwidth, and packet loss based on the nature of network traffic becomes extremely vital. 'While data-traffic is impacted by network issues such as packet-loss, voice-traffic is more liable to be sensitive towards network issues such as transmission delay,' says the analyst. 'Developing a platform, which absorbs the capability to intelligently handle network issues based on the sensitivity it bears to the transmitted-data, serves is a key factor impeding the immediate deployment of microwave-based backhaul infrastructures.' As backhaul service providers and providers of wireline wholesale services, the stakeholders have to constantly ensure that the backhaul capacity is capable of supporting the application needs of the end user. Currently, a dominant issue facing stakeholders is upgradng their TDM infrastructure to all Internet protocol IP Ethernet networks. Backhaul service providers and providers of wireline wholesale services must decouple the operating cost and revenues in order to increase capacity while lowering operating costs. Another important consideration for backhaul providers on the migration to all-IP/Ethernetwork is shortening the time-to-market to no more than a year to maximize return on investment (ROI). To address this issue, backhaul suppliers must invest in several R&D areas including dynamic modulation scheme, advanced antenna system, and advanced security to create a cost-efficient backhaul solution with good quality of service (QoS) and link budget.
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