Anastasios Giovanidis Gerhard Wunder Holger Boche Stoycho Stefanov Optimal control of transmission errors with power allocation and stability in ARQ downlink. 407-412 2008 CISS http://dx.doi.org/10.1109/CISS.2008.4558561 conf/ciss/2008 db/conf/ciss/ciss2008.html#GiovanidisWBS08