Green MOD.pdf
Project Green MOD (Mobile Operation & Distribution) could provide a firm solution to our Energy crisis issue. In this hypothetical initiative, a Massive MIMO (Multi-user Multiple Input Multiple-Output) incorporated with RETUNES (Reliable and energy-efficient NoC design as proposed by PADMAJA BHAMIDIPATI in 2019) could draw up a better Green IOT (Internet of Things). Multi-user Multiple-Input Multiple-Output (MIMO) offers big advantages over conventional point-to-point MIMO. It works with cheap single-antenna terminals, a rich scattering environment is not required, and resource allocation is simplified because every active terminal utilizes all of the time-frequency bins. However, multi-user MIMO, as originally envisioned with roughly equal numbers of service-antennas and terminals and frequency division duplex operation, is not a scalable technology. Massive MIMO (also known as "Large-Scale Antenna Systems", "Very Large MIMO", "Hyper MIMO", "Full-Dimension MIMO" & "ARGOS") makes a clean break with current practice through the use of a large excess of service-antennas over active terminals and time division duplex operation. Extra antennas help by focusing energy into ever-smaller regions of space to bring huge improvements in throughput and radiated energy efficiency. Other benefits of massive MIMO include the extensive use of inexpensive low-power components, reduced latency, simplification of the media access control (MAC) layer, and robustness to intentional jamming. The anticipated throughput depend on the propagation environment providing asymptotically orthogonal channels to the terminals, but so far experiments have not disclosed any limitations in this regard. While massive MIMO renders many traditional research problems irrelevant, it uncovers entirely new problems that urgently need attention: the challenge of making many low-cost low-precision components that work effectively together, acquisition and synchronization for newly-joined terminals, the exploitation of extra degrees of freedom provided by the excess of service-antennas, reducing internal power consumption to achieve total energy efficiency reductions, and finding new deployment scenarios. The energy-efficient part of RETUNES is a five voltage/frequency design that includes NTV for high energy gains. The five voltage modes are switched according to the workload for high energy-efficiency and minimum network congestion in NoC. Energy efficiency of RETUNES is further improved by employing approximate communication throughout the execution of application within tolerable error range. The reliability part of RETUNES introduces a hybrid error correction model to handle the faults observed due to aging, voltage scaling, and temperature. Thus, considering these NoC devices as central components, if base stations for the MIMO transmission are ensured, then an innovative solution to improve energy efficiency may be established and further developments can be made. This is a Hypothetical representation for research into a project with massive potential, hence can be a viable and feasible research issue.
