Methods for acquiring and transmitting system information, terminal, network reception and transmission node and storage medium
A method for acquiring system information, a method for transmitting system information, a terminal, a network reception and transmission node and a storage medium are provided. The method for acquiring the system information includes: receiving a synchronization signal transmitted from a network reception and transmission node, and acquiring feature information of the synchronization signal, node information of the network reception and transmission node and a correspondence between the feature information and a transmitting position of the system information; acquiring the transmitting position of the system information corresponding to the node information based on the feature information and the correspondence; and receiving, at the transmitting position of the system information, the system information transmitted from the network reception and transmission node.
1. A method for obtaining system information, applied to a terminal side, applied in a scenario where a cell transmits a plurality of synchronization signals and has a plurality of pieces of system information and comprising:
receiving a synchronization signal transmitted from a network reception and transmission node, and obtaining feature information of the synchronization signal, node information of the network reception and transmission node, and a correspondence between the feature information and a transmitting position of the system information;
obtaining the transmitting position of the system information corresponding to the node information based on the feature information and the correspondence; and
receiving, at the transmitting position of the system information, the system information transmitted from the network reception and transmission node;
wherein obtaining the correspondence between the feature information and the transmitting position of the system information comprises: obtaining, by the terminal, a correspondence between the feature information and the transmitting position of the system information based on the node information; and wherein:
the obtaining the transmitting position of the system information corresponding to the node information based on the feature information and the correspondence comprises:
obtaining a frequency domain transmitting position and a time domain transmitting position of the system information based on the feature information and the correspondence, wherein the obtaining the frequency domain transmitting position of the system information based on the feature information and the correspondence comprises: determining a frequency domain transmitting position range of the system information based on a center frequency of the synchronization signal and the correspondence, and the obtaining the time domain transmitting position of the system information based on the feature information and the correspondence comprises: determining a time domain transmitting position range of the system information based on the center frequency of the synchronization signal and the correspondence, and the center frequency has a default relationship with the time domain transmitting position range of the system information.
2. The method according to claim 1 , wherein the obtaining the transmitting position of the system information corresponding to the node information based on the feature information and the correspondence comprises:
determining the frequency domain transmitting position of the system information based on the feature information and the correspondence, wherein the frequency domain transmitting position comprises a plurality of positions; and
wherein the receiving, at the transmitting position of the system information, the system information transmitted from the network reception and transmission node comprises:
detecting, at the plurality of positions of the frequency domain transmitting position, the system information transmitted from the network reception and transmission node.
3. A method for transmitting system information, applied to a network side, applied in a scenario where a cell transmits a plurality of synchronization signals and has a plurality of pieces of system information and comprising:
transmitting a synchronization signal to a terminal;
obtaining feature information of the synchronization signal, and a correspondence between the feature information and a transmitting position of the system information, and determining the transmitting position of the system information based on the feature information and the correspondence; and
transmitting the system information at the transmitting position;
wherein the method further comprises: presetting, by a network reception and transmission node, the correspondence between the feature information and the transmitting position of the system information, wherein the correspondence is determined based on node information of the network reception and transmission node; and wherein:
the determining the transmitting position of the system information based on the feature information and the correspondence comprises: obtaining a frequency domain transmitting position and a time domain transmitting position of the system information based on the feature information and the correspondence, wherein the obtaining the frequency domain transmitting position of the system information based on the feature information and the correspondence comprises: determining a frequency domain transmitting position range of the system information based on a center frequency of the synchronization signal and the correspondence, and the obtaining the time domain transmitting position of the system information based on the feature information and the correspondence comprises: determining a time domain transmitting position range of the system information based on the center frequency of the synchronization signal and the correspondence, and the center frequency has a default relationship with the time domain transmitting position range of the system information.
4. A network reception and transmission node, applied in a scenario where a cell transmits a plurality of synchronization signals and has a plurality of pieces of system information and comprising a processor and a transceiver configured to receive and transmit data under control of the processor, wherein the processor is configured to perform steps of the method for transmitting the system information according to claim 3 .
5. The method according to claim 3 , wherein the determining the transmitting position of the system information based on the feature information and the correspondence comprises:
determining the frequency domain transmitting position of the system information based on the feature information and the correspondence, wherein the frequency domain transmitting position comprises a plurality of positions.
6. A terminal, applied in a scenario where a cell transmits a plurality of synchronization signals and has a plurality of pieces of system information and comprising a processor and a transceiver configured to receive and transmit data under control of the processor, wherein the processor is configured to:
receive a synchronization signal transmitted from a network reception and transmission node, and obtain feature information of the synchronization signal, node information of the network reception and transmission node, and a correspondence between the feature information and a transmitting position of the system information;
obtain the transmitting position of the system information corresponding to the node information based on the feature information and the correspondence; and
receive, at the transmitting position of the system information, the system information transmitted from the network reception and transmission node;
wherein the processor is configured to: obtain a correspondence between the feature information and the transmitting position of the system information based on the node information; and wherein:
the processor is configured to obtain a frequency domain transmitting position and a time domain transmitting position of the system information based on the feature information and the correspondence, wherein the obtaining the frequency domain transmitting position of the system information based on the feature information and the correspondence comprises: determining a frequency domain transmitting position range of the system information based on a center frequency of the synchronization signal and the correspondence, and the obtaining the time domain transmitting position of the system information based on the feature information and the correspondence comprises: determining a time domain transmitting position range of the system information based on the center frequency of the synchronization signal and the correspondence, and the center frequency has a default relationship with the time domain transmitting position range of the system information.