Mohammad Azizur Rahman Shigenobu Sasaki Hisakazu Kikuchi Hiroshi Harada Shuzo Kato A Simple Exact Error Rate Analysis for DS-CDMA with Arbitrary Pulse Shape in Flat Nakagami Fading. 1808-1812 2009 92-B IEICE Transactions 5 http://search.ieice.org/bin/summary.php?id=e92-b_5_1808&category=B&year=2009&lang=E&abst= db/journals/ieicet/ieicet92b.html#RahmanSKHK09