Finite Blocklength Achievable Rates for Energy Harvesting AWGN Channels   with Infinite Buffer
  We consider an additive White Gaussian channel where the transmitter is powered by an energy harvesting source. For such a system, we provide a lower bound on the maximal code book at finite code lengths that improves upon previously known bounds. 
K Gautam Shenoy and Vinod Sharma
cs.IT math.IT