Beamforming Boosts the Range and Capacity of WiMAX Networks
High Frequency Electronics
Paul Sergeant and Tong Swan Pang
Having gained much momentum over the past few years, WiMAX is now widely viewed as a leading candidate for fourthgeneration (4G) wireless data communication. Because WiMAX is based on Internet Protocol (IP), the technology builds on principles that have proven versatile and cost-effective in the Internet. Compared to traditional 3G cellular networks, WiMAX offers a more affordable technology for transferring large amounts of data with high throughput. A technology known as adaptive beamforming can magnify this WiMAX advantage considerably. At a relatively low implementation cost, beamforming improves both the range and capacity of a WiMAX network. In fact, beamforming reduces capital and operating expenses for WiMAX implementations by minimizing the number of base stations needed in a network. Fujitsu and Cisco are strongly committed to the use of beamforming in WiMAX neted in a network. Fujitsu and Cisco are strongly committed to the use of beamforming in WiMAX net.
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