| A Fair Radio Resource Allocation Scheme for Ubiquitous High-Data-Rate Coverage in OFDMA-Based Cellular Relay Networks Recent countries visiting this post |  |
 | 5 | United States |
 | 1 | China |
| A Fair Radio Resource Allocation Scheme for Ubiquitous High-Data-Rate Coverage in OFDMA-Based Cellular Relay Networks Recent countries visiting this post | |
| 5 | United States |
| 1 | China |