@article{paperid:1054843, author = {Moeen Taghavi, Seyed Ehsan and Abed Hodtani, Ghosheh}, title = {Extension of the Coverage Region of Multiple Access Channels by Using a Relay}, journal = {Journal of Communication Engineering}, year = {2015}, volume = {4}, number = {1}, month = {September}, issn = {2322-4088}, pages = {1--20}, numpages = {19}, keywords = {Multiple Access Relay Channel; Coverage region; Fixed desired transmission rates; Cellular network.}, }