What is the function of DRX (Discontinuous Reception) in 5G networks?A) DRX increases power consumption by keeping the receiver active at all times.B) DRX reduces power consumption by turning off the receiver during inactivity and only monitoring for downlink control signals when active.C) DRX allows the device to transmit continuously, improving the battery life.D) DRX increases coverage by maintaining constant monitoring of the downlink control signals