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Method and system for CPRI cascading in distributed radio head architectures

  • US 8,467,823 B2
  • Filed: 03/24/2010
  • Issued: 06/18/2013
  • Est. Priority Date: 03/24/2010
  • Status: Expired due to Fees
First Claim
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1. A method of communicating between a base band unit and a plurality of remote radio heads, comprising the steps of:

  • receiving a first signal through an antenna in a first remote radio head;

    transmitting the first signal to a second remote radio head through a digital radio interface;

    receiving a second signal through an antenna in the second remote radio head;

    compensating for a delay accrued in the first signal;

    adding the first signal and the second signal to obtain a resulting signal; and

    transmitting the resulting signal to a base band unit through a digital radio interface,wherein the digital radio interface is Common Public Radio Interface (“

    CPRI”

    ).

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