| 摘要 |
A radio communication network which comprises a plurality of radio links for communicating radio signals with orthogonal polarization. Each radio link comprises a vertical polarization communication device (11a) and a horizontal polarization communication device (11b) which share a local communication channel (11c). Each of these communication devices comprises at least one differential interface stage (21a, 21b, 31a, 31b) for communicating first data over the local communication channel (11c), based on a differential input. Each of these vertical and horizontal communication devices (11a, 11b) comprises means (27, 37) connected to the differential interface stages for communicating second data over the local communication channel by modulating a common mode of the differential interface stages.
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