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Meeting IMT-Advanced Requirements: A Look Under the Hood of Next Generation...
The International Telecommunication Union (ITU) has just approved LTE-Advanced and WiMAX-Advanced (aka WiMAX 2.0) as part of the IMT-Advanced standards. Aside of marketing catch phrases like “putting...
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Reaching The Limits of The Physical Layer: The Slow Shift To Enhancing...
There is a general view that we are rapidly approaching the capacity limits of the physical layer. But as demand for capacity continues to grow, the supply of capacity is tapering off. What to do about...
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Evolution of the Air Interface: From 2G Through 4G and Beyond
Below is a link to a recent presentation I made to the local IEEE Ottawa Chapter and the Alliance of IEEE Consultants Network (AICN). I trace the evolution of the air interface of wireless systems from...
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On LTE-Advanced and Carrier Aggregation
News of LTE-Advanced is making headlines. SK Telecom aggregated two 10 MHz carriers in 800 and 1800 MHz to achieve 150 Mbps downlink throughput with a version of the Samsung Galaxy S4 handset built...
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Carrier Aggregation and the Road to Cognitive Radio and Superwide Spectrum
Often, the least hyped technologies are the most effective, get the widest adoption, and have the greatest impact. Carrier aggregation is one such technology that I don’t think it received its fair...
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Further Enhanced ICIC (FeICIC)
Guest post by Faris Alfarhan* In an earlier post, R10-LTE enhanced inter-cell interference coordination (eICIC) techniques for heterogeneous networks were discussed, along with the concept of small...
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Raising the Stakes in 3.5 GHz: LTE-Advanced Achieves 1 Gbps
The 3 GHz frequency bands stands at the upper limit of what is considered today as viable spectrum for mobile communications. But bands 42 (3400 – 3600 MHz) and 43 (3600 – 3800 MHz) are not only the...
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