Radio communication method and device

Patent metadata

Field	Value
Publication number	US-12289778-B2
Application number	US-201616066233-A
Country	US
Kind code	B2
Filing date	Mar 29, 2016
Priority date	Mar 29, 2016
Publication date	Apr 29, 2025
Grant date	Apr 29, 2025

Abstract

Provided are a radio communication method and device. The radio communication method comprises: in a first time interval, first network equipment receives a first request message transmitted by terminal equipment and requesting the first network equipment to establish or recover a radio bearer for the terminal equipment; the first network equipment acquires, according to the first request message, context information of the terminal equipment, wherein the context information of the terminal equipment is stored in management equipment, the context information of the terminal equipment is sent to the management equipment and transmitted from a second network equipment to the management equipment, and the second network equipment is the last network equipment generating or updating, before the first interval, the context information of the terminal equipment, and the first network equipment establishes or recovers, according to the context information of the terminal equipment, the radio bearer for the terminal equipment. The embodiment can reduce required transmission resources and signaling overhead, reducing costs of constructing a network.

First claim

The invention claimed is:

1. A method for wireless communication, comprising:
receiving, by a first network equipment, a first request message sent by a terminal equipment in a first time period, wherein the first request message is a Radio Resource Control (RRC) connection resume request and is configured to request the first network equipment to set up or resume a radio bearer for the terminal equipment;
acquiring, by the first network equipment, context information of the terminal equipment according to the first request message, wherein the first request message is configured to directly trigger the first network equipmentdevice to acquire the context information of the terminal equipment and the context information of the terminal equipment is stored in a management equipment, the context information of the terminal equipment is sent to the management equipment by a second network equipment, and the second network equipment is a last network equipment generating or updating the context information of the terminal equipment before the first time period; and
setting up or resuming, by the first network equipment, the radio bearer for the terminal equipment according to the context information of the terminal equipment;
wherein acquiring, by the first network equipment, the context information of the terminal equipment according to the first request message comprises:
sending, by the first network equipment, a second request message to the management equipment according to the first request message, the second request message being configured to request the management equipment to send the context information of the terminal equipment to the first network equipment; and
receiving, by the first network equipment, the context information of the terminal equipment from the management equipment, and
wherein
the management equipment is not a Mobility Managing Entity (MME),
wherein a mapping relationship between equipment Identifiers (IDs) of different terminal equipment and the context information of the terminal equipment is stored in the management equipment, wherein each of the equipment IDs is configured to uniquely indicate one terminal equipment, and the mapping relationship is determined by the management equipment based on the context information of the terminal equipment and the equipment IDs of the different terminal equipment that are sent to the management equipment from the second network equipment, wherein the second request message comprises the equipment ID of the terminal equipment,
wherein before sending, by the first network equipment, the second request message to the management equipment according to the first request message, the method further comprises:
receiving, by the first network equipment, first indication information sent by the terminal equipment, the first indication information being configured to indicate whether a third network equipment is the same as the first network equipment or not, wherein the third network equipment is a last network equipment performing data transmission with the terminal equipment before the first time period; and
determining, by the first network equipment, that the third network equipment is different from the first network equipment according to the first indication information,
wherein the method further comprises:
updating, by the first network equipment, the context information of the terminal equipment in a third time period, the third time period being after the first time period; and
sending, by the first network equipment, the updated context information of the terminal equipment to the management equipment.

2. The method according to claim 1 , further comprising:
generating or updating, by the first network equipment, the context information of the terminal equipment in a second time period, the second time period being ahead of the first time period; and
storing, by the first network equipment, the context information of the terminal equipment.

3. A device for wireless communication, comprising:
a processor;
a memory configured to store instructions executable by the processor; and
a transceiver connected with the processor, wherein the processor is configured to execute the instructions stored in the memory to:
control the transceiver to receive a first request message sent by a terminal equipment in a first time period, the first request message being configured to request the device to set up or resume a radio bearer for the terminal equipment;
acquire context information of the terminal equipment according to the first request message, wherein the first request message is configured to directly trigger the device to acquire the context information of the terminal equipment and the context information of the terminal equipment is stored in a management equipment, the context information of the terminal equipment is sent to the management equipment by a second network equipment, and the second network equipment is a last network equipment generating or updating the context information of the terminal equipment before the first time period; and
set up or resume the radio bearer for the terminal equipment according to the context information of the terminal equipment;
wherein the processor is specifically configured to
control the transceiver to send a second request message to the management equipment according to the first request message, the second request message being configured to request the management equipment to send the context information of the terminal equipment to the device, and
control the transceiver to receive the context information of the terminal equipment from the management equipment, and
wherein
the management equipment is not a Mobility Managing Entity (MME),
wherein a mapping relationship between equipment Identifiers (IDs) of different terminal equipment and the context information of the terminal equipment is stored in the management equipment, wherein each of the equipment IDs is configured to uniquely indicate one terminal equipment, and the mapping relationship is determined by the management equipment based on the context information of the terminal equipment and the equipment IDs of the different terminal equipment that are sent to the management equipment from the second network equipment, and
the processor is specifically configured to control the communication unit to send the second request message comprising the equipment ID of the terminal equipment to the management equipment according to the first request message, wherein the first request message is a Radio Resource Control (RRC) connection resume request,
wherein the processor is further configured to control the transceiver to receive first indication information sent by the terminal equipment, the first indication information being configured to indicate whether the third network equipment is the same as the device or not, wherein the third network equipment is a last network equipment performing data transmission with the terminal equipment before the first time period; and
the processor is further configured to determine that the third network equipment is different from the device according to the first indication information,
wherein the processor is further configured to update the context information of the terminal equipment in a third time period, the third time period being after the first time period; and
the processor is further configured to control the transceiver to send the updated context information of the terminal equipment to the management equipment.

4. The device according to claim 3 , wherein the processor is further configured to generate or update the context information of the terminal equipment in a second time period, the second time period being ahead of the first time period; and
the memory is further configu

Assignees

• Guangdong Oppo Mobile Telecommunications Corp Ltd

Inventors

• Feng Bin

Classifications

• H04W88/02

  Terminal devices · CPC title

• H04W8/08

  Mobility data transfer · CPC title

• H04W76/27

  Transitions between radio resource control [RRC] states · CPC title

• H04W88/08

  Access point devices · CPC title

• H04W76/19 Primary

  Connection re-establishment · CPC title