Comments on “Distributed Space–Time–Frequency Coding for Broadband Wireless Relay Network”
Meilu Lin, Jianhua Ge, Yang Ye · IEEE Transactions on Vehicular Technology · 2013
The achievable diversity order analyzed by Yangfor a class of distributed space–time–frequency codes (DSTFCs) is erroneous in general. Therefore, this commentary corrects their analysis and shows the true diversity order achieved by the DSTFCs.