Cell access method and apparatus
The present disclosure provides a cell access method and device. The method is applied to a base station and can include generating RRC information that is used for instructing a terminal to determine a speed state of the terminal and a cell type of a cell to be accessed. The method can further include sending the RRC information to the terminal, so that the terminal determines the speed state and the cell type according to the RRC information and initiates access to the cell to be accessed when determining that the speed state and the cell type meet a preset cell access condition.
1. A cell access method that is applied to a base station, comprising:
generating radio resource control (RRC) information that is configured to instruct a terminal to determine a speed state of the terminal and a cell type of a cell to be accessed, wherein the RRC information comprises only specified threshold information for instructing the terminal to determine the speed state or both of the specified threshold information and a specified number of equivalent cells; and
sending the RRC information to the terminal so that the terminal determines the speed state and the cell type according to the RRC information, determines whether the speed state and the cell type meet a preset cell access condition or not and initiates access to the cell to be accessed in response to determining that the speed state and the cell type meet the preset cell access condition,
wherein:
the preset cell access condition comprises: the speed state being a high speed state and the cell type being the cell served by a high-speed railway dedicated network, or the speed state being a low speed state and the cell type being the cell of a LTE network,
that the terminal initiates access to the cell to be accessed in response to determining that the speed state and the cell type meet preset the cell access condition comprises:
initiating, by the terminal, the access to the cell to be accessed in response to determining that the speed state is the high speed state and the cell type is the cell served by the high-speed railway dedicated network; and
initiating, by the terminal, the access to the cell to be accessed in response to determining that the speed state is the low speed state and the cell type is the cell of the LTE network, and
that the terminal determines the speed state and the cell type according to the RRC information comprises:
determining the speed state according to the specified threshold information;
determining, in response to that the RRC information comprises only the specified threshold information, the cell type being the cell of the LTE network; and
determining, in response to that the RRC information comprises both of the specified threshold information and the specified number of equivalent cells, the cell type being the cell served by the high-speed railway dedicated network according to the specified number of equivalent cells.
2. The cell access method according to claim 1 , wherein:
the specified number of equivalent cells is a number of equivalent cells corresponding to the cell to be accessed and is configured to instruct the terminal to determine that the cell type is the cell served by the high-speed railway dedicated network.
3. The cell access method according to claim 1 , wherein the specified threshold information comprises a specified duration for evaluating the speed stale, a first number range of cell reselection times corresponding to the high speed state, and a second number range of cell reselection times corresponding to the low speed state.
4. The cell access method according to claim 3 , wherein the specified threshold information further comprises a third number range of cell reselection times corresponding to a medium speed state.
5. The cell access method according to claim 1 , wherein the step of sending the RRC information to the terminal further comprises:
sending and adding the RRC information to system information; and
sending the system information to the terminal so that the terminal obtains the RRC information from the system information.
6. The cell access method according to claim 5 , wherein the system information is specifically a system information block SIB3.
7. A non-transitory computer-readable storage medium having a computer program stored thereon, wherein the computer program, when being executed by a processor, causes the processor to perform the cell access method according to claim 1 .
8. A base station, comprising:
a processor; and
a memory for storing executable instructions of the processor that, when being executed by the processor, cause the processor to implement the cell assess method according to claim 1 .
9. A cell access method that is applied to a terminal, comprising:
receiving RRC information sent by a base station, the RRC information being configured to instruct the terminal to determine a speed state of the terminal and a cell type of a cell to be accessed, wherein the RRC information comprises only specified threshold information for instructing the terminal to determine the speed state or both of the specified threshold information and a specified number of equivalent cells;
determining the speed state and the cell type according to the RRC information;
determining whether the speed state and the cell type meet a preset cell access condition or not; and
initiating access to the cell to be accessed in response to determining that the speed state and the cell type meet the preset cell access condition,
wherein:
the preset cell access condition comprises: the speed state being a high speed state and the cell type being the cell served by a high-speed railway dedicated network, or the speed state being a low speed state and the cell type being the cell of a LTE network,
initiating access to the cell to be accessed in response to determining that the speed state and the cell type meet preset the cell access condition comprises:
initiating the access to the cell to be accessed in response to determining that the speed state is the high speed state and the cell type is the cell served by the high-speed railway dedicated network; and
initiating the access to the cell to be accessed in response to determining that the speed state is the low speed state and the cell type is the cell of the LTE network, and
determining the speed state and the cell type according to the RRC information comprises:
determining the speed state according to the specified threshold information;
determining, in response to that the RRC information comprises only the specified threshold information, the cell type being the cell of the LTE network; and
determining, in response to that the RRC information comprises both of the specified threshold information and the specified number of equivalent cells, the cell type being the cell served by the high-speed railway dedicated network according to the specified number of equivalent cells.
10. The cell access method according to claim 9 , wherein the specified number of equivalent cells is a number of equivalent cells corresponding to the cell to be accessed, and the specified number of equivalent cells is configured to instruct the terminal to determine that the cell type is the cell served by the high-speed railway dedicated network;
wherein the step of determining the speed state and the cell type according to the RRC information further comprises:
replacing a number of reselection times of the cell to be accessed with the specified number of equivalent cells when determining the cell type being the cell served by the high-speed railway dedicated network according to the specified number of equivalent cells.
11. The cell access method according to claim 9 , wherein the specified threshold information comprises a specified duration for evaluating the speed state, a first number range of cell reselection times corresponding to the high speed state and a second number range of cell reselection times corresponding to the low speed state, and
the step of determining the speed state according to the specified threshold information further comprises:
obtaining a number of the cell reselection times of the terminal within the specified duration;
determining the speed state as the high speed state when the number of the cell reselection times is within the first number range of cell reselection times; and
determining the speed state as the low speed state when the number of the cell reselection times is within the second number range of cell reselection times.
12. The cell access method according to claim 11 , wherein:
the specified threshold information further comprises a third number range of cell reselection times corresponding to a medium speed state, and
the step of determining the speed state according to the specified threshold information further comprises:
determining the speed state as the medium speed state when the number of the cell reselection times is within the third number range of cell reselection times.
13. The cell access method according to claim 9 , wherein:
the preset cell access condition further comprise: the speed state being a medium speed state and the cell type being the cell served by the high-speed railway dedicated network, and
the step of initiating access to the cell to be accessed in response to determining that the speed state and the cell type meet the preset cell access condition further comprises:
initiating the access to the cell to be accessed in response to determining that the speed state is the medium speed state and the cell type is the cell served by the high-speed railway dedicated network.
14. The cell access method according to claim 9 , further comprising:
determining not to initiate the access to the cell to be accessed in response to determining that the speed state and the cell type do not meet the preset cell access condition.
15. A non-transitory computer-readable storage median having a computer program stored thereon, wherein the computer program, when being executed by a processor, causes the processor to perform the cell access method according to claim 9 .
16. A terminal, comprising:
a processor; and
a memory for storing executable instructions of the processor that, when being executed by the processor, cause the processor to implement a cell access method comprising,
receiving RRC information sent by a base station, wherein the RRC information is configured to instruct a terminal to determine a speed state of the terminal and a cell type of a cell to be accessed, and the RRC information comprises only specified threshold information for instructing the terminal to determine the speed state or both of the specified threshold information and a specified number of equivalent cells:
determining the speed state and the cell type according to the RRC information;
determining whether the speed state and the cell type meet a preset cell access condition or not; and
initiating access to the cell to be accessed in response to determining that the speed state and the cell type meet the preset cell access condition,
wherein:
the preset cell access condition comprises: the speed state being a high speed state and the cell type being the cell served by a high-speed railway dedicated network, or the speed state being a low speed state and the cell type being the cell of a LTE network,
initiating access to the cell to be accessed in response to determining that the speed state and the cell type meet preset the cell access condition comprises:
initiating the access to the cell to be accessed in response to determining that the speed state is the high speed state and the cell type is the cell served by the high-speed railway dedicated network; and
initiating the access to the cell to be accessed in response to determining that the speed state is the low speed state and the cell type is the cell of the LTE network, and
determining the speed state and the cell type according to the RRC information comprises:
determining the speed state according to the specified threshold information;
determining, in response to that the RRC information comprises only the specified threshold information, the cell type being the cell of the LTE network; and
determining, in response to that the RRC information comprises both of the specified threshold information and the specified number of equivalent cells, the cell type being the cell served by the high-speed railway dedicated network according to the specified number of equivalent cells.