US 10,952,137 B2Granted

Information transmission method and apparatus

AssigneeHuawei Technologies Co., Ltd.

InventorsHao Sun, Yan Cheng, Lixia Xue

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Abstract

The present invention provides an information transmission method and an apparatus, so as to resolve a problem of high power consumption of a base station resulted from excessively high information overheads for transmitting an MIB by the base station. The method includes: generating, by a base station, an MIB including first bandwidth indication information and a radio frame configuration field; and sending the MIB using a time-frequency resource in a radio frame. Compared with a conventional MIB including a plurality of configuration parameters such as system bandwidth information, a frame number of a radio frame for transmitting the MIB, and PHICH configuration information, the MIB transmitted by the base station in embodiments of the present invention includes two configuration parameters: the first bandwidth indication information and the radio frame configuration field.

Claims17

Dependent claims

An information transmission method, comprising:

searching, by a terminal device, for a master information block (MIB) within a preset bandwidth range in a radio frame, wherein the MIB comprises first bandwidth indication information and a radio frame configuration field, the first bandwidth indication information is used to indicate a first range of a system bandwidth, and the radio frame configuration field indicates whether the radio frame for sending the MIB is configured with at least one of a resource of a system information block (SIB1), a physical random access channel (PRACH) resource, a resource of a paging message, or a multimedia broadcast multicast service single frequency network (MBSFN) resource;
when searching for the MIB in the radio frame, determining, by the terminal device based on the first bandwidth indication information comprised in the MIB, the first range of the system bandwidth;
and
obtaining configuration information of the radio frame based on the radio frame configuration field comprised in the MIB, wherein
the radio frame configuration field indicates that the resource of the SIB1 is configured in the radio frame, and the configuration information of the radio frame indicates that a resource in a first resource set is used to send the SIB1;
and after the terminal device obtains the configuration information of the radio frame, the method further comprises:
searching, by the terminal device, all resources in the first resource set in the radio frame for the SIB1, and obtaining the SIB1 based on the resource in the first resource set;
or
the radio frame configuration field indicates that the resource of the SIB1 is not configured in the radio frame, and the configuration information of the radio frame indicates that the radio frame is not used to send the SIB1;
and after the terminal device obtains the configuration information of the radio frame, the method further comprises:
skipping searching, by the terminal device, the radio frame for the SIB1.

8 more elements

An information transmission method, comprising:

searching, by a terminal device, for a master information block (MIB) within a preset bandwidth range in a radio frame, wherein the MIB comprises first bandwidth indication information and a radio frame configuration field, the first bandwidth indication information is used to indicate a first range of a system bandwidth, and the radio frame configuration field indicates whether the radio frame for sending the MIB is configured with at least one of a resource of a system information block (SIB1), a physical random access channel (PRACH) resource, a resource of a paging message, or a multimedia broadcast multicast service single frequency network (MBSFN) resource;
when searching for the MIB in the radio frame, determining, by the terminal device based on the first bandwidth indication information comprised in the MIB, the first range of the system bandwidth;
and
obtaining configuration information of the radio frame based on the radio frame configuration field comprised in the MIB, wherein
the radio frame configuration field indicates that the resource of the paging message is configured in the radio frame, and the configuration information of the radio frame indicates that a resource in a second resource set is used to send the paging message;
and after the terminal device obtains the configuration information of the radio frame, the method further comprises:
searching, by the terminal device, all resources in the second resource set in the radio frame for the paging message, and obtaining the paging message based on the resource in the second resource set;
or
the radio frame configuration field indicates that the resource of the paging message is not configured in the radio frame, and the configuration information of the radio frame indicates that the radio frame is not used to send the paging message;
and after the terminal device obtains the configuration information of the radio frame, the method further comprises:
skipping searching, by the terminal device, the radio frame for the paging message.

8 more elements

A base station, comprising:

a processor, configured to generate a master information block (MIB), wherein the MIB comprises first bandwidth indication information and a radio frame configuration field, the first bandwidth indication information is used to indicate a first range of a system bandwidth, and the radio frame configuration field indicates whether a radio frame for sending the MIB is configured with at least one of a resource of a system information block (SIB1), a physical random access channel (PRACH) resource, a resource of a paging message, or a multimedia broadcast multicast service single frequency network (MBSFN) resource;
and
a sender, configured to send the MIB using a time-frequency resource in the radio frame, wherein the radio frame configuration field indicates that the resource of the SIB1 is configured in the radio frame, and the sender is further configured to send the SIB1 using a resource in a first resource set that is set in the radio frame;
or
the radio frame configuration field indicates that the resource of the SIB1 is not configured in the radio frame, and the sender skips sending the SIB1 using the radio frame.

2 more elements

A terminal device, comprising:

a receiver, configured to receive data within a preset bandwidth range;
and
a processor, configured to:
search the data received by the receiver for a master information block (MIB), wherein the MIB comprises first bandwidth indication information and a radio frame configuration field, the first bandwidth indication information is used to indicate a first range of a system bandwidth, and the radio frame configuration field indicates whether a radio frame for sending the MIB is configured with at least one of a resource of a system information block (SIB1), a physical random access channel (PRACH) resource, a resource of a paging message, or a multimedia broadcast multicast service single frequency network (MBSFN) resource;
find the MIB in the radio frame;
determine, based on the first bandwidth indication information comprised in the MIB, the first range of the system bandwidth;
and obtain configuration information of the radio frame based on the radio frame configuration field comprised in the MIB, wherein
the radio frame configuration field indicates that the resource of the SIB1 is configured in the radio frame, and the configuration information of the radio frame indicates that a resource in a first resource set is used to send the SIB1;
and the processor is further configured to:
after obtaining the configuration information of the radio frame, search all resources in the first resource set in the radio frame for the SIB1, and obtain the SIB1 on the resource in the first resource set;
or
the radio frame configuration field indicates that the resource of the SIB1 is not configured in the radio frame, and the configuration information of the radio frame indicates that the radio frame is not used to send the SIB1, and the processor skips searching the radio frame for the SIB1 after obtaining the configuration information of the radio frame.

9 more elements

A terminal device, comprising:

a receiver, configured to receive data within a preset bandwidth range;
and
a processor, configured to:
search the data received by the receiver for a master information block (MIB), wherein the MIB comprises first bandwidth indication information and a radio frame configuration field, the first bandwidth indication information is used to indicate a first range of a system bandwidth, and the radio frame configuration field indicates whether a radio frame for sending the MIB is configured with at least one of a resource of a system information block (SIB1), a physical random access channel (PRACH) resource, a resource of a paging message, or a multimedia broadcast multicast service single frequency network (MBSFN) resource;
find the MIB in the radio frame;
determine, based on the first bandwidth indication information comprised in the MIB, the first range of the system bandwidth;
and obtain configuration information of the radio frame based on the radio frame configuration field comprised in the MIB, wherein
the radio frame configuration field indicates that the resource of the paging message is configured in the radio frame, and the configuration information of the radio frame indicates that a resource in a second resource set is used to send the paging message;
and the processor is further configured to:
after obtaining the configuration information of the radio frame, search all resources in the second resource set in the radio frame for the paging message, and obtain the paging message based on the resource in the second resource set;
or
the radio frame configuration field indicates that the resource of the paging message is not configured in the radio frame, and the configuration information of the radio frame indicates that the radio frame is not used to send the paging message;
and the processor skips searching the radio frame for the paging message after obtaining the configuration information of the radio frame.

10 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/147,267Filed 28 Sep 2018 · continuation
Priority: CN 201610216717.98 Apr 2016
Published: US 2019/0037491 A131 Jan 2019
Granted: 16 Mar 2021
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

H04W 52/0206
In the radio access network or backbone network of wireless communication networks: in access points, e.g. base stations
H04L 41/08
Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks: configuration management…
H04W 72/04
Local resource management: wireless resource allocation
H04W 74/0833
Non-scheduled access, e.g. ALOHA: random access procedures, e.g. with 4-step access