US 11,540,329 B2 · Information transmission method, terminal device, and network device

Abstract

An information transmission method, a communications device, and a network device are provided. The information transmission method includes: when a communications device is at a coverage enhancement level 0 or a coverage enhancement level 1, or in coverage enhancement mode A, receiving a random access response, wherein the random access response comprises indication information and uplink grant information, the indication information is used to indicate a message 3 is a first message 3 or a second message 3, wherein the uplink grant information comprises first resource information and repetition quantity information; and sending the message 3 based on the indication information, the first resource information, and the repetition quantity information. The method and the device that are provided in embodiments of this application may be applied to a communications system, such as V2X, LTE-V, V2V, an internet of vehicles, MTC, LTE-M, M2M, or an internet of things.

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Claims12

Dependent claims

An information transmission method, comprising:

when a communications device is at a coverage enhancement level 0 or a coverage enhancement level 1, or in coverage enhancement mode A, receiving, by the communications device, a random access response, wherein the random access response comprises indication information and uplink grant information, the indication information indicates that a message 3 to be sent by the communications device is a first message 3 or a second message 3, the first message 3 is a message 3 that does not carry user data, and the second message 3 is a message 3 that carries the user data, wherein
the uplink grant information comprises first resource information and repetition quantity information, the first resource information indicates a resource used by the communications device to send the message 3 on a first narrowband in an uplink bandwidth, and the repetition quantity information indicates a quantity of times that the communications device is to repeatedly send the message 3;
and when the indication information indicates that the message 3 to be sent by the communications device is the second message 3, a quantity of bits of the first resource information is L, wherein L is a pre-specified positive integer, and L is greater than 4;
and
sending, by the communications device, the message 3 based on the indication information, the first resource information, and the repetition quantity information.

2 more elements

An information receiving method, comprising:

when a communications device is at a coverage enhancement level 0 or a coverage enhancement level 1, or in coverage enhancement mode A, sending, by a network device, a random access response, wherein the random access response comprises indication information and uplink grant information, the indication information indicates that a message 3 to be sent by the communications device is a first message 3 or a second message 3, the first message 3 is a message 3 that does not carry user data, and the second message 3 is a message 3 that carries the user data, wherein
the uplink grant information comprises first resource information and repetition quantity information, the first resource information indicates a resource used by the communications device to send the message 3 on a first narrowband in an uplink bandwidth, and the repetition quantity information indicates a quantity of times that the communications device is to repeatedly send the message 3;
and when the indication information indicates that the message 3 to be sent by the communications device is the second message 3, a quantity of bits of the first resource information is L, wherein L is a pre-specified positive integer, and L is greater than 4;
and
receiving, by the network device, the message 3.

2 more elements

A communications device, comprising:

a receiver;
a transmitter;
and
at least one processor, communicatively coupled with the receiver and the transmitter and configured to:
when the communications device is at a coverage enhancement level 0 or a coverage enhancement level 1, or in coverage enhancement mode A, receive a random access response by using the receiver, wherein the random access response comprises indication information and uplink grant information, the indication information indicates that a message 3 to be sent by the communications device is a first message 3 or a second message 3, the first message 3 is a message 3 that does not carry user data, and the second message 3 is a message 3 that carries the user data, wherein
the uplink grant information comprises first resource information and repetition quantity information, the first resource information indicates a resource used by the communications device to send the message 3 on a first narrowband in an uplink bandwidth, and the repetition quantity information indicates a quantity of times that the communications device is to repeatedly send the message 3;
and when the indication information indicates that the message 3 to be sent by the communications device is the second message 3, a quantity of bits of the first resource information is L, wherein L is a pre-specified positive integer, and L is greater than 4;
and
the at least one processor is further configured to send the message 3 based on the indication information, the first resource information, and the repetition quantity information by using the transmitter.

6 more elements

A network device, comprising:

a receiver;
a transmitter;
and
at least one processor, communicatively coupled with the receiver and the transmitter and configured to:
when a communications device is at a coverage enhancement level 0 or a coverage enhancement level 1, or in coverage enhancement mode A, generate a random access response, wherein the random access response comprises indication information and uplink grant information, the indication information indicates that a message 3 to be sent by the communications device is a first message 3 or a second message 3, the first message 3 is a message 3 that does not carry user data, and the second message 3 is a message 3 that carries the user data, wherein
the uplink grant information comprises first resource information and repetition quantity information, the first resource information indicates a resource used by the communications device to send the message 3 on a first narrowband in an uplink bandwidth, and the repetition quantity information indicates a quantity of times that the communications device is to repeatedly send the message 3;
and when the indication information indicates that the message 3 to be sent by the communications device is the second message 3, a quantity of bits of the first resource information is L, wherein L is a pre-specified positive integer, and L is greater than 4;
and
the at least one processor is further configured to send the random access response by using the transmitter, and receive the message 3 by using the receiver.

6 more elements

Dependencies are inferred from the claim text.

Description27,665 words

Summary9,581 words

#Embodiments of this application relate to the communications field, and in particular, to an information transmission method, a terminal device, and a network device.

#Currently, large-scale application and deployment of wireless communications systems can provide various types of communication, for example, a voice, data, and multimedia services, for a plurality of users.

#In a process of discussion on a current long term evolution (LTE) technology, for a third message, namely, a Msg3, in a random access process, uplink user data may be transmitted through the Msg3, and a medium access control protocol (MAC) random access response (RAR) is used in the transmission.

Brief description of the drawings10 figures

#FIG. 1 is a schematic diagram of a system architecture of an information transmission method according to an embodiment of this application;

#FIG. 2 is a schematic diagram of an interaction procedure between a terminal device and a network device according to an embodiment of this application;

#FIG. 3 is a schematic diagram of another interaction procedure between a terminal device and a network device according to an embodiment of this application;

Detailed description17,860 words

#Embodiments of this application provide an information transmission method, a terminal device, and a network device, to improve transmission performance of the network device.

#The following describes the embodiments of this application with reference to accompanying drawings.

#In the specification, the claims, and the accompanying drawings of this application, the terms “first”, “second”, and the like are intended to distinguish between similar objects but do not necessarily indicate a specific order or sequence. It should be understood that the terms used in such a way are interchangeable in appropriate circumstances, and this is merely a discrimination manner for describing objects having a same attribute in the embodiments of this application. In addition, the terms “include”, “have” and any other variants are intended to cover non-exclusive inclusion, so that a process, method, system, product, or device that includes a series of units is not necessarily limited to those units, but may include other units not expressly listed or inherent to the process, method, product, or device.

Facts

Application

17/093,341Filed 9 Nov 2020 · continuation

Priority

11 May 2018

Published

US 2021/0058975 A125 Feb 2021

Granted

27 Dec 2022

Term ends

21 Jun 2038

Estimated · how

20 years from earliest known nonprovisional domestic filing plus recorded patent term adjustment, including 41 days of adjustment. Maintenance-fee lapses, terminal disclaimers and statutory extensions have not been checked. The continuity chain may be incomplete; this is not an enforceability determination.

Classification6 codes

H04W 72/04
Local resource management: wireless resource allocation
H04W 74/08
Wireless channel access: non-scheduled access, e.g. ALOHA
H04W 72/1268
Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows: of uplink data flows
H04W 72/23
Control channels or signalling for resource management: in the downlink direction of a wireless link, i.e. towards a terminal

Timeline

11 May 2018Priority claimedParent application PCT/CN2,018/086,621
9 Nov 2020Application filedUS 17/093,341
25 Feb 2021PublishedUS 2021/0058975 A1
7 May 2021Assigned to Huawei Technologies Co., Ltd.assignment of assignor's interest
27 Dec 2022GrantedUS 11,540,329 B2
12 Oct 2026TodayWithin its term
21 Jun 2038Term endsEstimated, includes 41 days of adjustment

Information transmission method, terminal device, and network device

Life of this patent

Information transmission method, terminal device, and network device

Life of this patent

Life of this patent

Abstract

Drawings

Drawings

Claims12

Description27,665 words

Drawings

Classification6 codes

Life of this patent

Description27,665 words