@article{paperid:1054065, author = {Moeen Taghavi, Seyed Ehsan and Abed Hodtani, Ghosheh}, title = {Impact of the Relay on the Coverage Region of Multiple- Access Channels}, journal = {IET Communications}, year = {2016}, volume = {10}, number = {5}, month = {March}, issn = {1751-8628}, pages = {508--524}, numpages = {16}, keywords = {Three-user Multiple Access Relay Channel; Regular encoding/ backward decoding; Coverage region; Fixed desired transmission rates; Cellular network}, }