A system, apparatus and method for broadcast transmission of ETWS message are provided, which is in the ETWS technical field. The system for broadcast transmission of ETWS message includes: the issuing ETWS message entity issues ETWS message; the cell broadcast center packages the ETWS message issued by the issuing ETWS message entity into the CBS message, then sends the CBS message; the mobile management entity transfers the CBS message sent by the cell broadcast center to the wireless access network; the wireless access network receives the CBS message transferred by the mobile management entity, and sends the received CBS message to the user equipment. The system above provides a new technical resolution for transmission of ETWS message, and provides security guarantee to the transmission of ETWS message by use of security mechanism of CBS itself.
A method, system and network device for obtaining cell reselection priority
are disclosed. The method includes: the network side obtains information for
calculating priority; the network side determines the special priority list
of terminal according to the information, and sends the determined special priority
list to the terminal through special signaling, or the terminal obtains part
or all of the information for calculating priority from the network side, and
determines its own special priority list according to the obtained information,
or the network side and terminal determine the special priority list of the terminal
according to the information.
A method for realizing system information schedule in a wireless communication system is disclosed in the embodiments of the present invention. The method comprises the following steps of: determining System Frame Number (SFN); setting System Information (SI-x), determining the position at which the SI is located according to the SFN, transmitting all of the SI by distributing all of the SI discontinuously at anytime over the wireless frames. The present invention also provides a system and user terminal for performing system information schedule. With the technical solution supplied by the embodiments of the present invention, it is possible to realize the optimization of the system information schedule, so as to avoid the problems of the network overload and the lower-efficiency of the user data scheduling caused by the transmission of all of the SI at the same time.
A system information scheduling method, device and terminal are disclosed,
and the method includes: a terminal obtaining the scheduling information of
the most frequently repeated scheduling unit SU-1, and receiving the whole information
of the SU-1 according to the scheduling information; the terminal obtaining
the dynamical scheduling window information, and receiving information of
the other scheduling unit SU-n according to the window information, n>1;
the terminal obtaining the mapping information of the system information block
SIB and the SU-n from the information of the SU-1, and obtaining all the system
information according to the corresponding relationship between the SIB and
the SU-n indicated by the mapping information. By using the present method, device
and terminal, the UE could receive the SU-1 correctly, and then could receive
the whole system information correctly and effectively.
A method for handling the radio link, a communication method and device after
the radio link failing are provided, the method for handling the radio link includes:
the terminal initiates the random access; if the failing times that the terminal
initiates the random access exceeds the preconcerted times, the radio link failure
is determined. The radio link failure is determined effectively and timely through
the method and device provided by this invention.
Disclosed are a method and device for confirming a mapping relationship between a frequency band and a remote electrical tilt. The method comprises: sending, by a master device, detection information to an electrical tilt antenna, the detection information carrying a detection method which is currently used by the master device to detect the mapping relationship between a frequency band of a radio-frequency channel and a remote electrical tilt of the electrical tilt antenna, so that the electrical tilt antenna can select the detection method as the current detection method thereof based on the detection information; based on the detection method, detecting, by the master device, the mapping relationship, so that the electrical tilt antenna obtains a detection result based on the current detection method; and obtaining, by the master device, the detection result, and obtaining and recording the mapping relationship based on the detection result. By means of the technical solution, the technical problem in the prior art that electronic devices are mutually incompatible due to the use of different automatic mapping methods is solved.
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