CPC H04B 1/18 (2013.01) [H01Q 1/246 (2013.01); H04B 1/0032 (2013.01); H04B 1/40 (2013.01)] | 22 Claims |
1. A universal digital card (UDC) for use in a distributed antenna system (DAS), the UDC comprising:
an external digital interface to communicatively couple the UDC to an external communication link used to transmit and receive data in any of a plurality of different external interface formats; and
wherein the UDC is configured to:
receive data formatted according to any of the plurality of external interface formats from the external communication link via the external digital interface;
transmit data formatted according to any of the plurality of external interface formats over the external communication link via the external digital interface; and
wherein the UDC is configured to be selectively used either as:
a donor card to communicatively couple the node to one or more base station entities via the external digital interface; or
a distribution card to communicatively couple the node to one or more non-DAS nodes, hubs, switches, or remote radio heads or one or more other DAS nodes or access points.
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