Patent ID: 8619936

Claim:
A method of providing timing synchronization between a first Radio Equipment Controller (REC) operating on a first radio standard and a second REC operating on a second radio standard, each REC communicating with one or more multi-standard radios, comprising the steps of: receiving at said first REC a synchronization signal from a primary synchronization source associated with said first radio standard; generating a synchronized data output derived from said synchronization signal to create a primary clock signal; evaluating the quality of said primary clock signal; referencing said primary clock signal to said first REC if said clock signal is determined to have appropriate quality factors; receiving at said second REC a synchronization signal from a secondary synchronization source associated with said second radio standard; generating a synchronized data output derived from said secondary synchronization signal to create a secondary clock signal; evaluating the quality of said secondary clock signal; referencing said secondary clock to said second REC if said clock signal is determined to have appropriate quality factors; aligning said secondary clock signal with said primary clock signal; and switching reference of said second REC to said primary clock once said primary and secondary clocks are aligned.