METHOD FOR RANDOM ACCESS IN IDLE STATE AND DEVICE

摘要

Embodiments of the present invention provide a method for random access in an idle state and a device. The method includes: sending, by user equipment (UE), a random access preamble to a evolved NodeB (eNB), and receiving a random access response message that is sent by the eNB according to the random access preamble; sending, by the UE, a first message to the eNB according to first uplink grant information; and receiving, by the UE, second uplink grant information sent by the eNB, and sending to-be-sent data to the eNB according to the second uplink grant information. According to the method for random access in an idle state and the device provided in the embodiments of the present invention, accuracy of uplink resource allocation is improved during random access of UE in an idle state.

主权项

1. A method for random access in an idle state, the method comprising:
sending, by user equipment (UE), a random access preamble to an evolved NodeB (eNB), and receiving a random access response message that is sent by the eNB according to the random access preamble, wherein the random access response message carries first uplink grant information; sending, by the UE, a first message to the eNB according to the first uplink grant information, wherein the first message carries a buffer status report (BSR), and the BSR is used to indicate a volume of to-be-sent data of the UE, so that the eNB allocates an uplink resource to the UE according to the BSR; and receiving, by the UE, second uplink grant information sent by the eNB, and sending the to-be-sent data to the eNB according to the second uplink grant information, wherein the second uplink grant information is used to indicate the uplink resource allocated to the UE by the eNB.