What is HSDPA
High-Speed Downlink Packet Access (HSDPA) is also known as High-Speed Downlink Protocol Access. HSDPA is a protocol for mobile telephones. It is a third-generation (3G) High-Speed Packet Access technology designed to speed up network capacity and data transmission rate of cellular phone.
Current HSDPA Technology
At present, there are 100 HSDPA-capable networks operating in 54 countries worldwide. A large number of these networks offer 3.6 Mbps downlink speeds. However, more networks are beginning to switch to faster 7.2 Mbps downlink speeds. Only a number of networks presently offer a full 14.4 Mbps speed
HSDPA competes with a rival format, the Evolution Data Optimized (EVDO) provided by Code Division Multiple Access (CDMA) cellular providers.
HSDPA Capable Devices
Aside from having a cellular plan with a company offering HSDPA access, the only requirement for logging into the HSDPA network is having a cellular device capable of using the technology. A current total of 171 handset models and other mobile devices can use an HSDPA network. Some of these HSDPA capable devices are famous cellular brand and model names such as the Nokia N95, the Palm Treo 750, and the Motorola RAZR as well as many of its various versions.
In addition to the various HSDPA handsets in the market, several HSDPA notebooks and laptops with access to the data network are available. Such products are offered by several major computer manufacturers including Dell, Acer, Hewlett-Packard, Siemens, Fujitsu, Panasonic, and Lenovo.
Future HSDPA Technology
Although 14.4 Mbps is the current cap on downlink speed over HSDPA, networks are preparing to be upgraded with a new type of HSDPA system. Dubbed as HSPA Evolved, this new HSDPA technology is designed to increase download speeds to 42 Mbps upon release, with the possibility of reaching greater speed values in the future.
A wide variety of Wi-Fiare available. These tools for Wi-Fi perform functions such as:
• Wireless network discovery
• Wireless network mapping
• Wireless network traffic analysis
• Wireless network RF signal strength monitoring
• Wireless network encryption cracking
• Wireless network custom frame generation
• Dictionary or brute forceattacks against wireless networks
• Denial of Service (DoS) attacks against wirless network.
HSCSD vs. GPRS
HSCSD has an advantage over GPRS in that HSCSD supports guaranteed quality of service because of the dedicated circuit-switched communinations channel. This makes HSCSD a better protocol for timing-sensitive applications such as image or video transfer.
GPRS has the advantage over HSCSD for most data transfer because HSCSD, which is circuit-switched, is less bandwidth efficient with expensive wireless links than GPRS, which is packet-switched.
Due to this, HSCSD is not as widespread as GPRS. HSCSD is, however, currently available in over 27 countries.
HSCSD (High Speed Circuit Switched Data) is a specification for data transfer over GSM networks. HSCSD utilizes up to four 9.6Kb or 14.4Kb time slots, for a total bandwidth of 38.4Kb or 57.6Kb.
14.4Kb time slots are only available on GSM networks that operate at 1,800MHz. 900Mhz GSM networks are limited to 9.6Kb time slots. Therefore, HSCSD is limited to 38.4Kbps on 900Mhz GSM networks. HSCSD can nly achieve 57.6Kbps on 1,800Mhz GSM
networks.
WiMAX Bandwidth and Range
WiMAX has a theoretical maximum bandwidth of 75Mbps. This bandwidth can be achieved using 64QAM 3/4 modulation. 64QAM can only be utilized under optimal transmission conditions. WiMAX supports the use of a wide range of modulation algorithms to enable the most bandwidth to be realized under all conditions.
WiMAX has a theoretical maximum range of 31 miles with a direct line of sight. Near-line-of-sight (NLOS) conditions will seriously limit the potential range.
In addition, some of the frequencies utilized by WiMAX are subject to interference from rainfade. The unlicensed WiMAX frequencies are subject to RF interference from competing technologies and competing WiMAX networks.
Solutions
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End-To-End Solutions
Billing and Provisioning
Wavion provides a billing and provisioning solution Wavion Service-Pro, which includes the access controller and the RADIUS server with a variety of capabilities to suit different applications. This allows service operators to define and manage their SLAs (service level agreements) and control the packages that they sell to end users.
Wavion has created complete, end-to-end solutions for outdoor and metro infrastructures. This ensures that service operators, municipalities and enterprises are able to deploy their wireless networks quickly and effectively. Wavion solutions revolutionize the market by providing superior connectivity, greater coverage in a cost effective package.
Greater total value
Wavion solutions are comprised of best-of-breed components including Wavion WBS base stations, CPEs, backhaul and billing & provisioning systems. We, at Wavion, have spent significant time and effort, selecting the best component and optimizing the solution for each specific application.
Short time to market
Wavion solutions have been tested and certified by our engineering team to ensure:
• Interoperability between the solution components
• Optimization for various applications in both urban and rural settings
• Resolution of any issues that arise prior to customer deployment
The process ensures that you will be able to deploy your network quickly and effectively. Furthermore, you will get the ideal solution for your specific needs.
Single point of contact
With Wavion end-to-end solution you have a single point of contact. We will take complete responsibility for the rapid deployment of your state-of-the-art wireless broadband solution.
Base Stations
Wavion WBS is a family of a carrier class, broadband wireless beamforming base stations that provide superior coverage and greater capacity.
• WBS-2400 Omni-directional base station with 6 antenna array operating in 2.4 GHz
• WBS-2400 Sector Directional base station with 3 antenna array in 120° sector operating in 2.4 GHz
• WBS-5800 Omni-directional base station with 6 antennas array operating in 5.8 GHz
• WBS-5800 Sector Directional base station with 3 antenna array in 120° sector operating in 5.8 GHz
CPEs and Wi-Fi clients
Wavion base stations are interoperable with any 802.11x standard CPE. Wavion has certified specific CPE models in order to optimally meet the requirements of different applications:
• Mobile Wi-Fi clients such as those embedded in laptops and smart phones.
• Outdoor CPEs used by high-end and business users, which require high throughput and a coverage area of several kilometers. These CPEs usually require professional outdoor installation.
• Indoor CPEs with targeted for business and residential indoor applications. These “plug and play” CPEs are easy to install by non-technical users.
Wavion Coverage Tool
Wavion Coverage Tool (WCT) enables service providers to perform instantaneous field tests of the Wavion WBS base stations coverage in real-life conditions.
WavioNet - NMS
Wavion’s network management system (WavioNet) is a comprehensive, carrier-grade tool enabling operators to effectively control and monitor their Wi-Fi network. WavioNet provides support for various network operation aspects and allows network managers to carry out day to day monitoring and control activities as well as plan network expansion.
Backhaul
Wavion provides two complementary solutions for backhaul in response to our customers’ requirements:
• Self Backhaul - The WBS-2400 can provide self-backhaul functionality with exceptional performance, utilizing its spatially adaptive beamforming at both ends. Wavion is able to deliver backhaul from one WBS-2400 to up to 4 additional units.
• External backhaul - Where dedicated high capacity and range backhaul connections are required, Wavion provides dual frequency backhaul solutions with directional antennas in the 5.x GHz band.
