It is important to deploy this technology with additional ?intelligence? in the network to make the most of what it can offer.
Applications on modern wireless devices make demands on data rate and connectivity far beyond anything experienced in the past. One way to meet these stringent requirements is to give the device multiple antennas or multiple-input multiple-output (MIMO) technology. The problem of physically accommodating these additional antennas in the latest consumer products is investigated in new research from the University of Bristol. The study by academics in the field of antennas and propagation in the University's Centre for Communications Research (CCR) is published in the journal IEEE Transactions on Antennas and Propagation . The researchers looked at what happens when, instead of having many antennas of their own, a user shares the antennas of a nearby device, to create a 'virtual' MIMO terminal. This technique is likely to enter service in 4G wireless technologies like LTE and WiMAX, but the researchers showed that very careful design is needed in such systems. By measuring performances of such a system in a real-world city-centre environment, the researchers were able to characterise how likely these 'virtual' deployments were to actually make things better for the end user.
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