Inside MIPI RFFE v2.1: Enabling the 5G transformation
MIPI RFFE v2.0 was originally released in December 2014. The new features in v2.1 reflect how both mobile technology and the marketplace have changed over the past several years. Just as important, the new features also anticipate how system designers’ needs will evolve over the next few years as 5G evolves from the drawing board to commercial mainstream.
One example is the new master context transfer (MCT) RFFE command sequence, where one of the masters on a multi-master RFFE bus shuttles larger amounts of information from one master to another. This feature enables quick hops between radio technologies, which may be controlled via different radio chains.
The multi-master feature was introduced in RFFE v2.0, but the addition of MCT command sequences in RFFE v2.1 provides a means for more efficient master-to-master transfer when larger amounts of data are involved.
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