| 摘要 |
<p>When a cellular mobile station (15) position-registered in a ground system (11) is requested to receive signals, and when the cellular mobile station (15) cannot receive signals via a ground exchange (9) in a mobile radio communication network (10), a dual function is used to allow a satellite single mobile station (16), position-registered in a satellite system (6) via a satellite (2), to receive signals by way of a satellite exchange (4) in a satellite communication network (5).</p> |
