Zhenzhen Gao Shihua Zhu Jing Xu Zhimeng Zhong Performance of Block-Double Differential Design for Broadband Cooperative Communications with Carrier Frequency Offsets. 2507-2511 2009 92-B IEICE Transactions 7 http://search.ieice.org/bin/summary.php?id=e92-b_7_2507&category=B&year=2009&lang=E&abst= db/journals/ieicet/ieicet92b.html#GaoZXZ09