QUALCOMM Incorporated
Real-time control compliant radio frequency coexistence management bus

Abstract:

Systems, methods, and apparatus for multi-drop coexistence management are described. A data communication apparatus has a bus interface that couples the data communication apparatus to a serial bus and a controller configured to determine that a datagram received from the serial bus is addressed to a register address corresponding to a coexistence management identifier, activate a line driver of the bus interface circuit that is coupled to a data line of the serial bus during a portion of a first payload of the datagram when one or more coexistence management messages are ready for sending from the slave device, where the portion of the first payload of the datagram is allocated for use of the apparatus, and transmit a first coexistence management message in the portion of the first payload of the datagram that is allocated for use of the data communication apparatus.