| Market Driven Dynamic Spectrum Allocation over Space and Time among Radio-Access Networks: DVB-T and B3G CDMA with Heterogeneous Recent countries visiting this post |  |
 | 3 | United States |
 | 1 |
| Market Driven Dynamic Spectrum Allocation over Space and Time among Radio-Access Networks: DVB-T and B3G CDMA with Heterogeneous Recent countries visiting this post | |
| 3 | United States |
| 1 |