| 摘要 |
<p>The method comprises splitting OFDMA time-frequency resources in each subframe of an OFDMA frame structure; reserving, in the downlink, resource elements in the split OFDMA time-frequency resources reserved for virtualization of a radio access technology for insertion of downlink reference signals to perform downlink channel estimation by user terminals with a specified separation between signals in the time and frequency domains; inserting, in the uplink, training or pilot signals along the split OFDMA time-frequency resources reserved for virtualization of said radio access technology by mapping said signals over time-frequency resources scheduled for a particular user according to a multiple access scheme supported by said radio access technology; and mapping, in said downlink and uplink, complex baseband symbols corresponding to information from said radio access technology into said split OFDMA time-frequency resources reserved for virtualization of said radio access technology.</p> |
