| 摘要 |
<p>A method and apparatus for random access are provided in the present invention. According to an embodiment of the present invention, a base station configures multiple preamble groups and configures at least one preamble for the respective preamble group according to a predetermined condition; broadcasts preamble configuration information to the respective user equipment, the preamble configuration information including the information associated with the respective preamble group; the user equipment selects the corresponding preamble group according to the received preamble configuration information and the communication bandwidth supported by the user equipment itself, and selects a preamble from the selected preamble group randomly and transmits it to the base station; the base station determines the communication bandwidth supported by the user equipment according to the received preamble; the base station proceeds the further communication with the user equipment within the communication bandwidth supported by the user equipment. Through the method, in the case of a wide system bandwidth, the communication of the narrow band user equipment can also be supported simply and efficiently, thus the application of the narrow band user equipment has been improved.</p> |
