The IEEE Communications Society North Jersey Chapter and NJIT's Department of Electrical and Computer Engineering will co-sponsor "Network Selection for Secondary Users in Cognitive Radio Systems," a talk by Chonggang Wang, PhD, senior staff engineer at InterDigital Communications, Inc. on Nov. 1 at 5 p.m. (refreshments start at 4:45 p.m.) in 202 ECEC. Contact: Nirwan Ansari at 973-596-3670.