# US 2019/0174439 A1 · Methods for acquiring and transmitting system information, terminal, network reception and transmission node and storage medium

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- Number: US 2019/0174439 A1
- Document ID: US20190174439A1
- Status: Published application
- Kind: A1
- Application number: 16/323,242
- Filed: 2017-07-17
- Published: 2019-06-06
- Earliest claimed: 2016-08-05
- Assignees: China Academy of Telecommunications Technology
- Applicants: China Academy of Telecommunications Technology
- Inventors: Rakesh TAMRAKAR; Runhua CHEN; Qiubin GAO; Gaping HUANG; Hui LI; Chuanjun LI; Yang SONG; Xin SU; Yu YANG; Mengjun WANG
- Web page: https://patentgrep.com/patent/US20190174439A1

## CPC

- H04W 56/001: {Synchronization between nodes}
- H04L 5/005: {of common pilots, i.e. pilots destined for multiple users or terminals}
- H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals}
- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04W 48/12: using downlink control channel
- H04W 56/006: {using known positions of transmitter and receiver}
- H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA
- H04W 72/0466: {the resource being a scrambling code}
- H04W 48/10: using broadcasted information
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

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.

## Claims

### Claim 1

A method for acquiring system information, comprising:
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.

### Claim 2 (depends on 1)

The method according to claim 1, wherein acquiring the correspondence between the feature information and the transmitting position of the system information comprises:
directly acquiring a locally pre-stored correspondence between the feature information and the transmitting position of the system information; or
acquiring a correspondence between the feature information and the transmitting position of the system information based on the node information.

### Claim 3 (depends on 1)

The method according to claim 1, wherein acquiring the transmitting position of the system information corresponding to the node information based on the feature information and the correspondence comprises:
acquiring a frequency domain transmitting position or a time domain transmitting position of the system information based on the feature information and the correspondence.

### Claim 4 (depends on 3)

The method according to claim 3, wherein acquiring 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, or determining a frequency domain transmitting position range of the system information based on a sequence of the synchronization signal and the correspondence, or determining a frequency domain transmitting position range of the system information based on a scrambling code sequence of the synchronization signal and the correspondence, or determining a frequency domain transmitting position range of the system information based on a frequency domain position of the synchronization signal and the correspondence; and
acquiring the frequency domain transmitting position of the system information from the frequency domain transmitting position range.

### Claim 5 (depends on 3)

The method according to claim 3, wherein acquiring 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 a center frequency of the synchronization signal and the correspondence, or determining a time domain transmitting position range of the system information based on a sequence of the synchronization signal and the correspondence, or determining a time domain transmitting position range of the system information based on a scrambling code sequence of the synchronization signal and the correspondence; and
acquiring the time domain transmitting position of the system information from the time domain transmitting position range.

### Claim 6

A method for transmitting system information, comprising:
transmitting a synchronization signal to a terminal;
acquiring 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.

### Claim 7 (depends on 6)

The method according to claim 6, wherein determining the transmitting position of the system information based on the feature information and the correspondence comprises:
acquiring a frequency domain transmitting position or a time domain transmitting position of the system information based on the feature information and the correspondence.

### Claim 8 (depends on 7)

The method according to claim 7, wherein acquiring 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, or determining a frequency domain transmitting position range of the system information based on a sequence of the synchronization signal and the correspondence, or determining a frequency domain transmitting position range of the system information based on a scrambling code sequence of the synchronization signal and the correspondence, or determining a frequency domain transmitting position range of the system information based on a frequency domain position of the synchronization signal and the correspondence; and
acquiring the frequency domain transmitting position of the system information from the frequency domain transmitting position range.

### Claim 9 (depends on 7)

The method according to claim 7, wherein acquiring 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 a center frequency of the synchronization signal and the correspondence, or determining a time domain transmitting position range of the system information based on a sequence of the synchronization signal and the correspondence, or determining a time domain transmitting position range of the system information based on a scrambling code sequence of the synchronization signal and the correspondence; and
acquiring the time domain transmitting position of the system information from the time domain transmitting position range.

### Claim 10 (depends on 6)

The method according to claim 6, further comprising: presetting the correspondence between the feature information and the transmitting position of the system information.

### Claim 11

A terminal,
receive a synchronization signal transmitted from a network reception and transmission node, and acquire 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 system information;
acquire 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.

### Claim 12 (depends on 11)

The terminal according to claim 11, wherein the processor is configured to: directly acquire a locally pre-stored correspondence between the feature information and the transmitting position of the system information; or acquire a correspondence between the feature information and the transmitting position of the system information based on the node information.

### Claim 13 (depends on 11)

The terminal according to claim 11, wherein the processor is configured to acquire a frequency domain transmitting position or a time domain transmitting position of the system information based on the feature information and the correspondence.

### Claim 14 (depends on 13)

The terminal according to claim 13, wherein the processor is configured to:
determine a frequency domain transmitting position range of the system information based on a center frequency of the synchronization signal and the correspondence, or determine a frequency domain transmitting position range of the system information based on a sequence of the synchronization signal and the correspondence, or determine a frequency domain transmitting position range of the system information based on a scrambling code sequence of the synchronization signal and the correspondence, or determine a frequency domain transmitting position range of the system information based on a frequency domain position of the synchronization signal and the correspondence; and
acquire the frequency domain transmitting position of the system information from the frequency domain transmitting position range.

### Claim 15 (depends on 13)

The terminal according to claim 13, wherein the processor is configured to:
determine a time domain transmitting position range of the system information based on a center frequency of the synchronization signal and the correspondence, or determine a time domain transmitting position range of the system information based on a sequence of the synchronization signal and the correspondence, or determine a time domain transmitting position range of the system information based on a scrambling code sequence of the synchronization signal and the correspondence; and
acquire the time domain transmitting position of the system information from the time domain transmitting position range.

### Claim 16 (depends on 6)

A network reception and transmission node, 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 6.

### Claim 17 (depends on 16)

The network reception and transmission node according to claim 16, wherein the processor is configured to: acquire a frequency domain transmitting position or a time domain transmitting position of the system information based on the feature information and the correspondence.

### Claim 18 (depends on 17)

The network reception and transmission node according to claim 17, wherein the processor is configured to:
determine a frequency domain transmitting position range of the system information based on a center frequency of the synchronization signal and the correspondence, or determine a frequency domain transmitting position range of the system information based on a sequence of the synchronization signal and the correspondence, or determine a frequency domain transmitting position range of the system information based on a scrambling code sequence of the synchronization signal and the correspondence, or determine a frequency domain transmitting position range of the system information based on a frequency domain position of the synchronization signal and the correspondence; and
acquire the frequency domain transmitting position of the system information from the frequency domain transmitting position range.

### Claim 19 (depends on 17)

The network reception and transmission node according to claim 17, wherein the processor is configured to:
determine a time domain transmitting position range of the system information based on a center frequency of the synchronization signal and the correspondence, or determine a time domain transmitting position range of the system information based on a sequence of the synchronization signal and the correspondence, or determine a time domain transmitting position range of the system information based on a scrambling code sequence of the synchronization signal and the correspondence; and
acquire the time domain transmitting position of the system information from the time domain transmitting position range.

### Claim 20 (depends on 16)

The network reception and transmission node according to claim 16, wherein the processor is further configured to: preset the correspondence between the feature information and the transmitting position of the system information.

### Claim at position 21

21-24. (canceled)
