- uint8_t ud_iq_width:4; /**< Bit width of each I and each Q
- 16 for udIqWidth=0, otherwise equals udIqWidth e.g. udIqWidth = 0000b means I and Q are each 16 bits wide;
- e.g. udIQWidth = 0001b means I and Q are each 1 bit wide;
- e.g. udIqWidth = 1111b means I and Q are each 15 bits wide
- */