| On the Performance Gains of VoIP Aggregation and ROHC over a WirelessMAN-OFDMA Air Interface Recent countries visiting this post |  |
 | 8 | United States |
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| On the Performance Gains of VoIP Aggregation and ROHC over a WirelessMAN-OFDMA Air Interface Recent countries visiting this post | |
| 8 | United States |
| 1 |