| 摘要 |
Embodiments of the present invention provide a method, a device and a system for wireless broadband communications, which are used to improve the bandwidth and the capacity of mobile broadband communications, and lower the cost at the same time. The method provided in an embodiment of the present invention includes: receiving, by a small cell (small cell), a dedicated synchronization signal Preamble sent through a first message by a user equipment UE in an idle state, where the dedicated Preamble is allocated when the UE accesses a network for the first time; querying, by the small cell according to the dedicated Preamble, whether a first signaling radio bearer SRB 1 and/or a second signaling radio bearer SRB2 of the UE are/is stored; if stored, replying, by the small cell in a second message to the UE, indication information that the SRB 1 and/or the SRB2 between the small cell and the UE do/does not need to be re-established or modified; and receiving an uplink radio resource control RRC message sent through a dedicated control channel DCCH by the UE. |
