WO2019084860A1 - 车联网中的数据发送方法及终端 - Google Patents

车联网中的数据发送方法及终端 Download PDF

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Publication number
WO2019084860A1
WO2019084860A1 PCT/CN2017/109061 CN2017109061W WO2019084860A1 WO 2019084860 A1 WO2019084860 A1 WO 2019084860A1 CN 2017109061 W CN2017109061 W CN 2017109061W WO 2019084860 A1 WO2019084860 A1 WO 2019084860A1
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WIPO (PCT)
Prior art keywords
carrier
transmission
data
parameter
entity
Prior art date
Application number
PCT/CN2017/109061
Other languages
English (en)
French (fr)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to KR1020207015318A priority Critical patent/KR20200083530A/ko
Priority to AU2017437917A priority patent/AU2017437917A1/en
Priority to EP17930652.7A priority patent/EP3706481B1/en
Priority to JP2020524288A priority patent/JP2021503740A/ja
Priority to CN201780091614.7A priority patent/CN110710289A/zh
Priority to PCT/CN2017/109061 priority patent/WO2019084860A1/zh
Publication of WO2019084860A1 publication Critical patent/WO2019084860A1/zh
Priority to US16/864,647 priority patent/US11310794B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the invention relates to a vehicle networking technology, in particular to a data transmission method and a terminal in a vehicle networking.
  • the vehicle networking system adopts a terminal-to-terminal direct communication method with higher spectral efficiency and lower transmission delay.
  • VUE Vehicle User Equipment
  • PUE Pedestrian User Equipment
  • the communication between the terminal and the terminal may be based on various wireless communication systems, such as a Long Term Evolution (LTE) system.
  • LTE Long Term Evolution
  • multi-carrier technology has been used as a method of expanding system bandwidth.
  • multi-carrier mode multiple carriers can serve one terminal, and each carrier is also called a component carrier.
  • aspects of the present invention provide a data transmission method and terminal in a car network for transmitting data in a car network system.
  • An aspect of the present invention provides a data transmission method in a vehicle network, including:
  • the data transmission mode of the first carrier is a multi-carrier transmission mode, obtaining a multi-carrier transmission parameter of the first carrier;
  • Data transmission is performed on the first carrier by using the multi-carrier transmission parameter.
  • a terminal including:
  • a determining unit configured to determine a data sending manner of the first carrier
  • An obtaining unit configured to obtain a multi-carrier transmission parameter of the first carrier if a data transmission manner of the first carrier is a multi-carrier transmission mode
  • a sending unit configured to perform data transmission on the first carrier by using the multi-carrier transmission parameter.
  • the embodiment of the present invention can determine the data transmission mode of the first carrier, and if the data transmission mode of the first carrier is a multi-carrier transmission mode, the multi-carrier transmission parameter of the first carrier can be obtained. And enabling data transmission on the first carrier by using the multi-carrier transmission parameter, thereby implementing data transmission in the vehicle networking system.
  • FIG. 1 is a schematic flowchart of a method for transmitting data in a vehicle network according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a terminal according to another embodiment of the present invention.
  • the communication between the terminal and the terminal may be based on various wireless communication systems, such as a Long Term Evolution (LTE) system. It is a sidelink (SL) transmission technology, which is different from the way that data is received or transmitted through a network device in a conventional wireless communication system.
  • LTE Long Term Evolution
  • SL sidelink
  • the vehicle networking system adopts a terminal-to-terminal direct communication method, and thus has a more High spectral efficiency and lower transmission delay.
  • FIG. 1 is a schematic flowchart of a data sending method in a vehicle networking according to an embodiment of the present invention, as shown in FIG. 1 .
  • the data transmission mode of the first carrier is a multi-carrier transmission mode, obtain a multi-carrier transmission parameter of the first carrier.
  • the so-called multi-carrier transmission parameter may include, but is not limited to, at least one of a transmission power limitation, a coding modulation mode limitation, a subchannel number limit, and a physical resource block (PRB) number limit. This embodiment is not particularly limited.
  • execution entities of 101 to 103 may be terminals.
  • the terminal involved may be an in-vehicle terminal, or may be a handheld terminal having a listening capability, which is not particularly limited in this embodiment.
  • the handheld terminal involved in the embodiments of the present invention may include, but is not limited to, a mobile phone, a personal digital assistant (PDA), a wireless handheld device, a tablet computer, and a personal computer (Personal Computer, PC), MP3 player, MP4 player, wearable device (for example, smart glasses, smart watches, smart bracelets, etc.).
  • the vehicle-mounted terminal involved in the embodiment of the present invention may also be referred to as a vehicle, and refers to an abbreviation of an in-vehicle infotainment product installed in a car.
  • the function of the vehicle is to realize a person and a car, a vehicle and an outside world (a vehicle) Information communication with the car).
  • the specific time to start executing 101 to 103 can be determined according to the data transmission situation of the first carrier. For example, when data needs to be carried on the first carrier for transmission, resources need to be performed on the first carrier.
  • the time of reselection may also be combined with the data transmission situation of the first carrier and the data transmission situation of other carriers used by the terminal, for example, the data bearer is being transmitted on the first carrier, and the The time when the data transmission situation carried by other carriers other than one carrier changes, etc.
  • the embodiment is not particularly limited.
  • the terminal may specifically determine, by determining whether the first carrier is used to carry a first transport entity together with the at least one second carrier. Whether the data transmission mode of the first carrier is a multi-carrier transmission mode.
  • the terminal may specifically determine whether the first carrier is used to carry a first transport entity together with the at least one second carrier. If the first carrier is used to carry a first transmission entity together with the at least one second carrier, the terminal may determine that the data transmission mode of the first carrier is a multi-carrier transmission mode.
  • the first transmission entity may include, but is not limited to, a Radio Link Control (RLC) entity, and one RLC entity may correspond to one logical channel, and may be any other transmission entity. Special restrictions are made.
  • RLC Radio Link Control
  • the one first transmission entity is transmitting data using the at least one second carrier. If the at least one second carrier is not currently used to carry the one first transport entity, then the first carrier is still the only one carrier carrying the transport entity. Only the at least one second carrier is currently being used to carry the one first transmission entity, so that the data transmission mode of the first carrier can be determined to be a multi-carrier transmission mode, which can effectively improve the reliability of data transmission.
  • the terminal may specifically determine whether the first carrier is used to carry a first transport entity together with at least one second carrier that is currently being used. If the first carrier is used to carry a first transmission entity together with the at least one second carrier that is currently being used, the terminal may determine that the data transmission mode of the first carrier is a multi-carrier transmission mode.
  • the terminal device The determining whether the data transmission mode of the first carrier is a multi-carrier transmission mode may be determined by determining whether at least one third carrier is currently being used in the first carrier set to which the first carrier belongs.
  • the first carrier set may be a set of a plurality of carriers configured in advance by using a preset configuration rule, and the relationship between each carrier in the set may be defined according to a configuration rule. No particular limitation is imposed.
  • the terminal may specifically determine whether at least one third carrier in the first carrier set to which the first carrier belongs is currently being used. If at least one third carrier in the first carrier set to which the first carrier belongs is currently being used, the terminal may determine that the data transmission mode of the first carrier is a multi-carrier transmission mode.
  • the multi-carrier transmission manner may include, but is not limited to, a multi-carrier transmission manner based on data repetition.
  • a data replication function of a transmission entity such as a Packet Data Convergence Protocol (PDCP) entity or the like may be utilized, such that the copied transmission data is, for example, a PDCP layer protocol data unit ( The Protocol Data Unit (PDU) is transmitted to the next layer of transport entities, for example, RLC entities, and the like.
  • PDCP Packet Data Convergence Protocol
  • PDU Protocol Data Unit
  • the terminal may determine whether the data transmission mode of the first carrier is a multi-carrier transmission mode based on data repetition, by determining whether the first carrier is used to carry duplicate data.
  • the terminal may specifically determine whether the first carrier is used to carry duplicate data. If the first carrier is used to carry duplicate data, the terminal may determine that the data transmission mode of the first carrier is a multi-carrier transmission mode based on data repetition.
  • the duplicate data may include, but is not limited to, a duplicate PDCP layer protocol data sheet.
  • the PDU may be any other physical layer PDU that is repeated, which is not specifically limited in this embodiment.
  • the terminal may specifically determine whether the data transmission mode of the first carrier is based on data repetition, by determining whether the first carrier is used to carry a second transmission entity that transmits duplicate data. Carrier transmission method.
  • the terminal may specifically determine whether the first carrier is used to carry a second transmission entity that transmits duplicate data. If the first carrier is used to carry the second transmission entity that transmits the duplicate data, the terminal may determine that the data transmission manner of the first carrier is a multi-carrier transmission manner based on data repetition.
  • the second transport entity involved in the present invention is a transport entity that is different from the first transport entity.
  • the duplicate data may include, but is not limited to, a duplicated PDCP layer protocol data unit (PDU), and may be any other physical layer PDU that is repeated, which is not specifically limited in this embodiment.
  • PDU PDCP layer protocol data unit
  • the data may include, but is not limited to, data of the first PDCP entity that is repeated, and may be data of any other entity that is repeated, which is not specifically limited in this embodiment.
  • the data of the first PDCP entity is being transmitted by a third transport entity, and the second transport entity is configured to transmit data of the repeated first PDCP entity.
  • the third transport entity involved in the present invention is a transport entity that is different from the second transport entity.
  • the second transmission entity or the third transmission entity may include, but is not limited to, an RLC entity, and one RLC entity may be corresponding to one logical channel, and may be any other transmission entity, which is not specifically limited in this embodiment. .
  • the terminal may specifically acquire a carrier state parameter of the first carrier, and the terminal may obtain the multiple according to the carrier state parameter.
  • Carrier transmission parameters may specifically acquire a carrier state parameter of the first carrier, and the terminal may obtain the multiple according to the carrier state parameter.
  • the carrier status parameter may include, but is not limited to, at least one of a Channel Busy Ratio (CBR), a Received Signal Strength Indicator (RSSI), a service type, and a priority. This is not particularly limited.
  • CBR Channel Busy Ratio
  • RSSI Received Signal Strength Indicator
  • the terminal may further acquire a correspondence between the carrier status parameter and the multi-carrier transmission parameter, for The terminal obtains the multi-carrier transmission parameter of the first carrier according to the carrier status parameter.
  • the terminal may specifically obtain a correspondence between the carrier status parameter and the multi-carrier transmission parameter from the network device.
  • the network device may be a network element such as an Evolved NodeB (eNB) in the LTE system, which is not specifically limited in this embodiment.
  • eNB Evolved NodeB
  • the terminal may specifically receive configuration information sent by the network device by using high layer signaling or a system broadcast message.
  • the high-level signaling may be a radio resource control (RRC) message
  • the carrier status parameter and the multi-carrier transmission parameter may be carried by an information element (IE) in an RRC message.
  • the RRC message may be an RRC message in the prior art, for example, an RRC CONNECTION RECONFIGURATION message, etc., which is not limited in this embodiment, by using an existing RRC message.
  • the IE performs an extension to carry a correspondence between the carrier state parameter and the multi-carrier transmission parameter, or
  • the RRC message may also be an RRC message different from that existing in the prior art.
  • the high-level signaling may be a Media Access Control (MAC) Control Element (CE) message
  • the carrier status parameter may be carried by adding a new MAC CE message.
  • the correspondence between the multi-carrier transmission parameters is described.
  • the existing Master Information Block (MIB) or System Information Block (SIB) in the system broadcast message may be used to carry the carrier status parameter and the multi-carrier transmission parameter.
  • MIB Master Information Block
  • SIB System Information Block
  • Corresponding relationship, or a new SIB may be added to carry the correspondence between the carrier state parameter and the multi-carrier transmission parameter.
  • the terminal may obtain a correspondence between the carrier status parameter and the multi-carrier transmission parameter from a user card of the terminal.
  • the user card of the terminal may include, but is not limited to, a User Identity Module (UIM) card, a Universal Subscriber Identity Module (USIM) card, and a Subscriber Identity Module (Subscriber Identity).
  • UIM User Identity Module
  • USIM Universal Subscriber Identity Module
  • Subscriber Identity Subscriber Identity Module
  • a module, a SIM card, or a personal identity module (PIM) card is not specifically limited in this embodiment.
  • the terminal may obtain a correspondence between the carrier status parameter and the multi-carrier transmission parameter from the device information of the terminal itself.
  • the terminal when acquiring the correspondence between the carrier state parameter and the multi-carrier transmission parameter, the terminal may be preferentially acquired from the network device, and if the carrier state is acquired from the network device, The correspondence between the parameter and the multi-carrier transmission parameter, the terminal does not need to obtain from the user card of the terminal or the device information of the terminal itself; if the network device does not acquire the carrier State parameter And corresponding to the multi-carrier transmission parameter, the terminal may be obtained from the user card of the terminal or the device information of the terminal itself.
  • the second carrier and the third carrier according to the present invention are carriers that are different from the first carrier.
  • the second carrier and the third carrier do not have a fixed relationship with each other, and may be the same carrier, or may be different carriers. This embodiment does not specifically limit this.
  • the multi-carrier transmission parameter of the first carrier may be obtained, so that the The multi-carrier transmission parameter is described, and data transmission is performed on the first carrier, thereby implementing data transmission in the vehicle networking system.
  • FIG. 2 is a schematic structural diagram of a terminal according to another embodiment of the present invention, as shown in FIG. 2 .
  • the network device of this embodiment may include a determining unit 21, an obtaining unit 22, and a transmitting unit 23.
  • the determining unit 21 is configured to determine a data sending manner of the first carrier
  • the obtaining unit 22 is configured to obtain a multi-carrier sending parameter of the first carrier if the data sending manner of the first carrier is a multi-carrier transmitting manner.
  • a sending unit 23, configured to send the parameter by using the multi-carrier, Data transmission is performed on the first carrier.
  • the so-called multi-carrier transmission parameter may include, but is not limited to, at least one of a transmission power limitation, a coding modulation mode limitation, a subchannel number limit, and a physical resource block (PRB) number limit. This embodiment is not particularly limited.
  • the terminal involved may be an in-vehicle terminal, or may be a handheld terminal having a listening capability, which is not particularly limited in this embodiment.
  • the determining unit 21 may be specifically configured to determine whether the first carrier is used to carry a first transport entity together with other carriers; A carrier is used to carry a first transmission entity together with other carriers, and the data transmission mode of the first carrier is determined to be a multi-carrier transmission mode.
  • the first transmission entity may include, but is not limited to, an RLC entity, and one RLC entity may correspond to one logical channel, which is not specifically limited in this embodiment.
  • the one first transmission entity is transmitting data using the at least one second carrier. If the at least one second carrier is not currently used to carry the one first transport entity, then the first carrier is still the only one carrier carrying the transport entity. Only the at least one second carrier is currently being used to carry the one first transmission entity, so that the data transmission mode of the first carrier can be determined to be a multi-carrier transmission mode, which can effectively improve the reliability of data transmission.
  • the determining unit 21 may be specifically configured to determine whether at least one third carrier in the first carrier set to which the first carrier belongs is currently being used. Determining a data sender of the first carrier if at least one third carrier in the first carrier set to which the first carrier belongs is currently being used The formula is multi-carrier transmission.
  • the first carrier set may be a set of a plurality of carriers configured in advance by using a preset configuration rule, and the relationship between each carrier in the set may be defined according to a configuration rule. No particular limitation is imposed.
  • the multi-carrier transmission manner includes a multi-carrier transmission manner based on data repetition.
  • a data replication function of a transmission entity such as a Packet Data Convergence Protocol (PDCP) entity or the like may be utilized, such that the copied transmission data is, for example, a PDCP layer protocol data unit ( The Protocol Data Unit (PDU) is transmitted to the next layer of transport entities, for example, RLC entities, and the like.
  • PDCP Packet Data Convergence Protocol
  • PDU Protocol Data Unit
  • the determining unit 21 may be specifically configured to determine whether the first carrier is used to carry duplicate data, and if the first carrier is used to carry duplicate data, determine the first carrier.
  • the data transmission method is a multi-carrier transmission method based on data repetition.
  • the duplicate data may include, but is not limited to, a duplicated PDCP layer protocol data unit (PDU), and may be any other physical layer PDU that is repeated, which is not specifically limited in this embodiment.
  • PDU PDCP layer protocol data unit
  • the determining unit 21 may be specifically configured to determine whether the first carrier is used to carry a second transmission entity that transmits duplicate data, and if the first carrier is used to carry transmission duplicate data.
  • the second transmission entity determines that the data transmission manner of the first carrier is a multi-carrier transmission manner based on data repetition.
  • the second transport entity involved in the present invention is a transport entity that is different from the first transport entity.
  • the duplicate data may include, but is not limited to, a duplicate PDCP layer protocol data sheet.
  • the PDU may be any other physical layer PDU that is repeated, which is not specifically limited in this embodiment.
  • the data may include, but is not limited to, data of the first PDCP entity that is repeated, and may be data of any other entity that is repeated, which is not specifically limited in this embodiment.
  • the data of the first PDCP entity is being transmitted by a third transport entity, and the second transport entity is configured to transmit data of the repeated first PDCP entity.
  • the third transport entity involved in the present invention is a transport entity that is different from the second transport entity.
  • the second transmission entity wherein the second transmission entity or the third transmission entity may include, but is not limited to, an RLC entity, and one RLC entity may correspond to one logical channel, which is not specifically limited in this embodiment.
  • the obtaining unit 22 may be specifically configured to acquire a carrier state parameter of the first carrier, and obtain the multiple carrier according to the carrier state parameter. Send parameters.
  • the carrier status parameter may include, but is not limited to, at least one of a Channel Busy Ratio (CBR), a Received Signal Strength Indicator (RSSI), a service type, and a priority. This is not particularly limited.
  • CBR Channel Busy Ratio
  • RSSI Received Signal Strength Indicator
  • the obtaining unit 22 may be further configured to obtain a correspondence between the carrier state parameter and the multi-carrier transmission parameter, to obtain the foregoing according to the carrier state parameter. Multi-carrier transmission parameters of the first carrier.
  • the obtaining unit 22 may be specifically configured to acquire, from the network device, a correspondence between the carrier status parameter and the multi-carrier transmission parameter.
  • the obtaining unit 22 is specifically configured to obtain, from a user card of the terminal, a correspondence between the carrier status parameter and the multi-carrier transmission parameter.
  • the obtaining unit 22 is specifically configured to obtain, from the device information of the terminal, a correspondence between the carrier status parameter and the multi-carrier transmission parameter.
  • the second carrier and the third carrier according to the present invention are carriers that are different from the first carrier.
  • the second carrier and the third carrier do not have a fixed relationship with each other, and may be the same carrier, or may be different carriers. This embodiment does not specifically limit this.
  • the determining unit determines the data transmission mode of the first carrier, and further, the obtaining unit obtains the multi-carrier transmission parameter of the first carrier, if the data transmission manner of the first carrier is a multi-carrier transmission mode, so that The transmitting unit is configured to perform data transmission on the first carrier by using the multi-carrier transmission parameter, thereby implementing data transmission in the vehicle networking system.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiment described above For example, the division of the unit is only a logical function division, and the actual implementation may have another division manner. For example, multiple units or components may be combined or integrated into another system, or Some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

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Abstract

本发明提供一种车联网中的数据发送方法及终端。本发明实施例通过确定第一载波的数据发送方式，进而若所述第一载波的数据发送方式为多载波发送方式，则可以获得所述第一载波的多载波发送参数，使得能够利用所述多载波发送参数，在所述第一载波上，进行数据发送，从而实现了在车联网系统中进行数据发送。

Description

车联网中的数据发送方法及终端 技术领域
本发明涉及车联网技术，尤其涉及一种车联网中的数据发送方法及终端。
背景技术
车联网系统采用终端到终端直接通信的方式，具有更高的频谱效率以及更低的传输时延。在车联网系统中，通常考虑两种类型的终端，一种是车载终端(Vehicle User Equipment，VUE)，另一种是手持终端(Pedestrian User Equipment，PUE)。
在车联网系统中，终端与终端之间的通信，可以基于各种无线通信系统，例如：长期演进(Long Term Evolution，简称LTE)系统等。在无线通信系统中，多载波技术已经被作为扩展系统带宽的方法。在多载波模式下，多个载波可服务于一个终端，每个载波也叫一个组成载波。
然而，现有技术中没有给出在车联网系统中如何进行数据发送。
发明内容
本发明的多个方面提供一种车联网中的数据发送方法及终端，用以在车联网系统中进行数据发送。
本发明的一方面，提供一种车联网中的数据发送方法，包括：
确定第一载波的数据发送方式；
若所述第一载波的数据发送方式为多载波发送方式，获得所述第一载波的多载波发送参数；
利用所述多载波发送参数，在所述第一载波上，进行数据发送。
本发明的另一方面，提供一种终端，包括：
确定单元，用于确定第一载波的数据发送方式；
获得单元，用于若所述第一载波的数据发送方式为多载波发送方式，获得所述第一载波的多载波发送参数；
发送单元，用于利用所述多载波发送参数，在所述第一载波上，进行数据发送。
由上述技术方案可知，本发明实施例通过确定第一载波的数据发送方式，进而若所述第一载波的数据发送方式为多载波发送方式，则可以获得所述第一载波的多载波发送参数，使得能够利用所述多载波发送参数，在所述第一载波上，进行数据发送，从而实现了在车联网系统中进行数据发送。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明一实施例提供的车联网中的数据发送方法的流程示意 图；
图2为本发明另一实施例提供的终端的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的全部其他实施例，都属于本发明保护的范围。
在车联网系统中，终端与终端之间的通信，可以基于各种无线通信系统，例如：长期演进(Long Term Evolution，简称LTE)系统等。其是一种侧行链路(Sidelink，SL)传输技术，与传统的无线通信系统中数据通过网络设备接收或者发送的方式不同，车联网系统采用终端到终端直接通信的方式，因此，具有更高的频谱效率以及更低的传输时延。
另外，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
图1为本发明一实施例提供的车联网中的数据发送方法的流程示意图，如图1所示。
101、确定第一载波的数据发送方式。
102、若所述第一载波的数据发送方式为多载波发送方式，获得所述第一载波的多载波发送参数。
所谓的多载波发送参数，可以包括但不限于发送功率限制、编码调制方式限制、子信道(subchannel)个数限制、以及物理资源块(Physical Resource Block，PRB)个数限制中的至少一项，本实施例对此不进行特别限定。
103、利用所述多载波发送参数，在所述第一载波上，进行数据发送。
至此，实现了在车联网系统中进行数据发送。
需要说明的是，101～103的执行主体可以为终端。
本发明中，所涉及的终端，可以为车载终端，或者还可以为具有侦听能力的手持终端，本实施例对此不进行特别限定。
需要说明的是，本发明实施例中所涉及的手持终端可以包括但不限于手机、个人数字助理(Personal Digital Assistant，PDA)、无线手持设备、平板电脑(Tablet Computer)、个人电脑(Personal Computer，PC)、MP3播放器、MP4播放器、可穿戴设备(例如，智能眼镜、智能手表、智能手环等)等。本发明实施例中所涉及的车载终端，还可以称为车机，指的是安装在汽车里面的车载信息娱乐产品的简称，车机在功能上要能够实现人与车，车与外界(车与车)的信息通信。
本发明中，开始执行101～103的具体时刻，可以根据第一载波的数据发送情况，进行确定，例如，有数据需要承载在第一载波上进行发送的时刻，需要在第一载波上进行资源重选的时刻，或者还可以结合第一载波的数据发送情况，以及终端所使用的其它载波的数据发送情况，共同进行确定，例如，有数据承载在第一载波上正在进行发送，且除了第一载波之外的其它载波所承载的数据发送情况发生变化的时刻等，本实 施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，在101中，终端具体可以通过确定所述第一载波是否用于与至少一个第二载波共同承载一个第一传输实体，来确定所述第一载波的数据发送方式是否为多载波发送方式。
具体来说，终端具体可以确定所述第一载波是否用于与至少一个第二载波共同承载一个第一传输实体。若所述第一载波用于与至少一个第二载波共同承载一个第一传输实体，终端则可以确定所述第一载波的数据发送方式为多载波发送方式。
其中，所述第一传输实体可以包括但不限于无线链路控制(Radio Link Control，RLC)实体，一个RLC实体可以对应一个逻辑信道，还可以为其他任意的传输实体，本实施例对此不进行特别限定。
在一个具体的实现过程中，所述一个第一传输实体正在使用所述至少一个第二载波传输数据。如果该至少一个第二载波当前没有被用于承载所述一个第一传输实体，那么，第一载波仍然是唯一一个承载该传输实体的载波。只有至少一个第二载波当前正在被使用承载所述一个第一传输实体，这样，才能够确定所述第一载波的数据发送方式为多载波发送方式，能够有效提高数据发送的可靠性。
具体来说，终端具体可以确定所述第一载波是否用于与当前正在被使用的至少一个第二载波共同承载一个第一传输实体。若所述第一载波用于与当前正在被使用的至少一个第二载波共同承载一个第一传输实体，终端则可以确定所述第一载波的数据发送方式为多载波发送方式。
可选地，在本实施例的一个可能的实现方式中，在101中，终端具 体可以通过确定所述第一载波所属的第一载波集合中是否存在至少一个第三载波当前正在被使用，来确定所述第一载波的数据发送方式是否为多载波发送方式。
其中，所述第一载波集合，可以是采用预先设置的配置规则，预先配置的若干个载波的集合，集合中的每个载波之间的相互关系可以根据配置规则进行定义，本实施例对此不进行特别限定。
具体来说，终端具体可以确定所述第一载波所属的第一载波集合中是否存在至少一个第三载波当前正在被使用。若所述第一载波所属的第一载波集合中存在至少一个第三载波当前正在被使用，终端则可以确定所述第一载波的数据发送方式为多载波发送方式。
可选地，在本实施例的一个可能的实现方式中，在101中，所述多载波发送方式可以包括但不限于基于数据重复的多载波发送方式。该基于数据重复的多载波发送方式中，可以利用传输实体例如，分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)实体等的数据复制功能，使得所复制的传输数据例如，PDCP层协议数据单元(Protocol Data Unit，PDU)分别传输到下一层传输实体例如，RLC实体等。
在一个具体的实现过程中，终端具体可以通过确定所述第一载波是否用于承载重复数据，来确定所述第一载波的数据发送方式是否为基于数据重复的多载波发送方式。
具体来说，终端具体可以确定所述第一载波是否用于承载重复数据。若所述第一载波用于承载重复数据，终端则可以确定所述第一载波的数据发送方式为基于数据重复的多载波发送方式。
其中，所述重复数据可以包括但不限于重复的PDCP层协议数据单 元(Protocol Data Unit，PDU)，还可以为重复的其他任意实体层PDU，本实施例对此不进行特别限定。
在另一个具体的实现过程中，终端具体可以通过确定所述第一载波是否用于承载传输重复数据的第二传输实体，来确定所述第一载波的数据发送方式是否为基于数据重复的多载波发送方式。
具体来说，终端具体可以确定所述第一载波是否用于承载传输重复数据的第二传输实体。若所述第一载波用于承载传输重复数据的第二传输实体，终端则可以确定所述第一载波的数据发送方式为基于数据重复的多载波发送方式。
需要说明的是，本发明所涉及的第二传输实体，是与第一传输实体不相同的传输实体。
其中，所述重复数据可以包括但不限于重复的PDCP层协议数据单元(Protocol Data Unit，PDU)，还可以为重复的其他任意实体层PDU，本实施例对此不进行特别限定。
具体来说，所述重复数据可以包括但不限于重复的第一PDCP实体的数据，还可以为重复的其他任意实体的数据，本实施例对此不进行特别限定。所述第一PDCP实体的数据正在被第三传输实体传输，所述第二传输实体用于传输所述重复的第一PDCP实体的数据。
需要说明的是，本发明所涉及的第三传输实体，是与第二传输实体不相同的传输实体。
其中，所述第二传输实体或所述第三传输实体可以包括但不限于RLC实体，一个RLC实体可以对应一个逻辑信道，还可以为其他任意的传输实体，本实施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，在102中，终端具体可以获取所述第一载波的载波状态参数，进而，终端则可以根据所述载波状态参数，获得所述多载波发送参数。
其中，所述载波状态参数可以包括但不限于信道繁忙率(Channel Busy Ratio，CBR)、接收信号强度指示(Received Signal Strength Indicator，RSSI)、业务类型以及优先级中的至少一项，本实施例对此不进行特别限定。
在一个具体的实现过程中，在根据所述载波状态参数，获得所述多载波发送参数之前，终端还可以进一步获取所述载波状态参数与所述多载波发送参数之间的对应关系，以供终端根据所述载波状态参数，获得所述第一载波的多载波发送参数。
例如，终端具体可以从网络设备，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
具体来说，所述网络设备可以为LTE系统中的演进型基站(Evolved NodeB，简称eNB)等网元，本实施例对此不进行特别限定。
具体来说，终端具体可以接收网络设备通过高层信令或系统广播消息，所发送的配置信息。例如，所述高层信令可以是无线资源控制(Radio Resource Control，RRC)消息，具体可以通过RRC消息中的信息元素(Information Element，IE)携带所述载波状态参数与所述多载波发送参数之间的对应关系，所述RRC消息可以为现有技术中的RRC消息，例如，RRC连接重配置(RRC CONNECTION RECONFIGURATION)消息等，本实施例对此不进行限定，通过对已有的RRC消息的IE进行扩展携带所述载波状态参数与所述多载波发送参数之间的对应关系，或 者所述RRC消息也可以为不同于现有技术中已有的RRC消息。或者，再例如，所述高层信令可以是媒体访问控制(Media Access Control，MAC)控制元素(Control Element，CE)消息，具体还可以通过增加新的MAC CE消息携带所述载波状态参数与所述多载波发送参数之间的对应关系。或者，再例如，具体可以采用所述系统广播消息中现有的主信息块(Master Information Block，MIB)或(System Information Block，SIB)携带所述载波状态参数与所述多载波发送参数之间的对应关系，或者还可以增加新的SIB携带所述载波状态参数与所述多载波发送参数之间的对应关系。
或者，再例如，终端具体可以从所述终端的用户卡中，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
具体来说，所述终端的用户卡可以包括但不限于用户身份识别模块(User Identity Module，UIM)卡、通用用户身份识别模块(Universal Subscriber Identity Module，USIM)卡、用户身份识别模块(Subscriber Identity Module，SIM)卡或个人身份识别模块(Personal Identity Module，PIM)卡，本实施例对此不进行特别限定。
或者，再例如，终端具体可以从所述终端自身的设备信息中，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
需要说明的是，本发明中，在获取所述载波状态参数与所述多载波发送参数之间的对应关系的时候，终端优先可以从网络设备获取，如果从网络设备，获取到了所述载波状态参数与所述多载波发送参数之间的对应关系，那么，终端则无需从所述终端的用户卡中或者所述终端自身的设备信息中去获取；如果从网络设备，没有获取到所述载波状态参数 与所述多载波发送参数之间的对应关系，那么，终端则可以从所述终端的用户卡中或者所述终端自身的设备信息中去获取。
需要说明的是，本发明所涉及的第二载波和第三载波，是与第一载波不相同的载波。第二载波与第三载波相互之间没有一定的固定关系，可以是相同的载波，或者还可以为不相同的载波，本实施例对此不进行特别限定。
本实施例中，通过确定第一载波的数据发送方式，进而若所述第一载波的数据发送方式为多载波发送方式，则可以获得所述第一载波的多载波发送参数，使得能够利用所述多载波发送参数，在所述第一载波上，进行数据发送，从而实现了在车联网系统中进行数据发送。
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本发明并不受所描述的动作顺序的限制，因为依据本发明，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本发明所必须的。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
图2为本发明另一实施例提供的终端的结构示意图，如图2所示。本实施例的网络设备可以包括确定单元21、获得单元22和发送单元23。其中，确定单元21，用于确定第一载波的数据发送方式；获得单元22，用于若所述第一载波的数据发送方式为多载波发送方式，获得所述第一载波的多载波发送参数；发送单元23，用于利用所述多载波发送参数， 在所述第一载波上，进行数据发送。
所谓的多载波发送参数，可以包括但不限于发送功率限制、编码调制方式限制、子信道(subchannel)个数限制、以及物理资源块(Physical Resource Block，PRB)个数限制中的至少一项，本实施例对此不进行特别限定。
本发明中，所涉及的终端，可以为车载终端，或者还可以为具有侦听能力的手持终端，本实施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，所述确定单元21，具体可以用于确定所述第一载波是否用于与其它载波共同承载一个第一传输实体；若所述第一载波用于与其它载波共同承载一个第一传输实体，确定所述第一载波的数据发送方式为多载波发送方式。
其中，所述第一传输实体可以包括但不限于RLC实体，一个RLC实体可以对应一个逻辑信道，本实施例对此不进行特别限定。
在一个具体的实现过程中，所述一个第一传输实体正在使用所述至少一个第二载波传输数据。如果该至少一个第二载波当前没有被用于承载所述一个第一传输实体，那么，第一载波仍然是唯一一个承载该传输实体的载波。只有至少一个第二载波当前正在被使用承载所述一个第一传输实体，这样，才能够确定所述第一载波的数据发送方式为多载波发送方式，能够有效提高数据发送的可靠性。
可选地，在本实施例的一个可能的实现方式中，所述确定单元21，具体可以用于确定所述第一载波所属的第一载波集合中是否存在至少一个第三载波当前正在被使用；若所述第一载波所属的第一载波集合中存在至少一个第三载波当前正在被使用，确定所述第一载波的数据发送方 式为多载波发送方式。
其中，所述第一载波集合，可以是采用预先设置的配置规则，预先配置的若干个载波的集合，集合中的每个载波之间的相互关系可以根据配置规则进行定义，本实施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，所述多载波发送方式包括基于数据重复的多载波发送方式。该基于数据重复的多载波发送方式中，可以利用传输实体例如，分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)实体等的数据复制功能，使得所复制的传输数据例如，PDCP层协议数据单元(Protocol Data Unit，PDU)分别传输到下一层传输实体例如，RLC实体等。
在一个具体的实现过程中，所述确定单元21，具体可以用于确定所述第一载波是否用于承载重复数据；若所述第一载波用于承载重复数据，确定所述第一载波的数据发送方式为基于数据重复的多载波发送方式。
其中，所述重复数据可以包括但不限于重复的PDCP层协议数据单元(Protocol Data Unit，PDU)，还可以为重复的其他任意实体层PDU，本实施例对此不进行特别限定。
在另一个具体的实现过程中，所述确定单元21，具体可以用于确定所述第一载波是否用于承载传输重复数据的第二传输实体；若所述第一载波用于承载传输重复数据的第二传输实体，确定所述第一载波的数据发送方式为基于数据重复的多载波发送方式。
需要说明的是，本发明所涉及的第二传输实体，是与第一传输实体不相同的传输实体。
其中，所述重复数据可以包括但不限于重复的PDCP层协议数据单 元(Protocol Data Unit，PDU)，还可以为重复的其他任意实体层PDU，本实施例对此不进行特别限定。
具体来说，所述重复数据可以包括但不限于重复的第一PDCP实体的数据，还可以为重复的其他任意实体的数据，本实施例对此不进行特别限定。所述第一PDCP实体的数据正在被第三传输实体传输，所述第二传输实体用于传输所述重复的第一PDCP实体的数据。
需要说明的是，本发明所涉及的第三传输实体，是与第二传输实体不相同的传输实体。
第二传输实体其中，所述第二传输实体或所述第三传输实体可以包括但不限于RLC实体，一个RLC实体可以对应一个逻辑信道，本实施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，所述获得单元22，具体可以用于获取所述第一载波的载波状态参数；以及根据所述载波状态参数，获得所述多载波发送参数。
其中，所述载波状态参数可以包括但不限于信道繁忙率(Channel Busy Ratio，CBR)、接收信号强度指示(Received Signal Strength Indicator，RSSI)、业务类型以及优先级中的至少一项，本实施例对此不进行特别限定。
在一个具体的实现过程中，所述获得单元22，还可以进一步用于获取所述载波状态参数与所述多载波发送参数之间的对应关系，以供根据所述载波状态参数，获得所述第一载波的多载波发送参数。
在一个具体的实现过程中，所述获得单元22，具体可以用于从网络设备，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
在另一个具体的实现过程中，所述获得单元22，具体可以用于从所述终端的用户卡中，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
在另一个具体的实现过程中，所述获得单元22，具体可以用于从所述终端的设备信息中，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
需要说明的是，图1对应的实施例中方法，可以由本实施例提供的终端实现。详细描述可以参见图1对应的实施例中的相关内容，此处不再赘述。
需要说明的是，本发明所涉及的第二载波和第三载波，是与第一载波不相同的载波。第二载波与第三载波相互之间没有一定的固定关系，可以是相同的载波，或者还可以为不相同的载波，本实施例对此不进行特别限定。
本实施例中，通过确定单元确定第一载波的数据发送方式，进而由获得单元若所述第一载波的数据发送方式为多载波发送方式，获得所述第一载波的多载波发送参数，使得发送单元能够利用所述多载波发送参数，在所述第一载波上，进行数据发送，从而实现了在车联网系统中进行数据发送。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本发明所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例 仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如，多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (38)

  1. 一种车联网中的数据发送方法，其特征在于，包括：
    确定第一载波的数据发送方式；
    若所述第一载波的数据发送方式为多载波发送方式，获得所述第一载波的多载波发送参数；
    利用所述多载波发送参数，在所述第一载波上，进行数据发送。
  2. 根据权利要求1所述的方法，其特征在于，所述多载波发送参数，包括发送功率限制、编码调制方式限制、子信道个数限制、以及物理资源块个数限制中的至少一项。
  3. 根据权利要求1所述的方法，其特征在于，所述确定第一载波的数据发送方式，包括：
    确定所述第一载波是否用于与至少一个第二载波共同承载一个第一传输实体；
    若所述第一载波用于与至少一个第二载波共同承载一个第一传输实体，确定所述第一载波的数据发送方式为多载波发送方式。
  4. 根据权利要求3所述的方法，其特征在于，所述第一传输实体正在使用所述至少一个第二载波传输数据。
  5. 根据权利要求1所述的方法，其特征在于，所述确定第一载波的数据发送方式，包括：
    确定所述第一载波所属的第一载波集合中是否存在至少一个第三载波当前正在被使用；
    若所述第一载波所属的第一载波集合中存在至少一个第三载波当前正在被使用，确定所述第一载波的数据发送方式为多载波发送方式。
  6. 根据权利要求1所述的方法，其特征在于，所述多载波发送方式包括基于数据重复的多载波发送方式。
  7. 根据权利要求6所述的方法，其特征在于，所述确定第一载波的数据发送方式，包括：
    确定所述第一载波是否用于承载重复数据；
    若所述第一载波用于承载重复数据，确定所述第一载波的数据发送方式为基于数据重复的多载波发送方式。
  8. 根据权利要求7所述的方法，其特征在于，所述重复数据包括重复的PDCP层协议数据单元。
  9. 根据权利要求6所述的方法，其特征在于，所述确定第一载波的数据发送方式，包括：
    确定所述第一载波是否用于承载传输重复数据的第二传输实体；
    若所述第一载波用于承载传输重复数据的第二传输实体，确定所述第一载波的数据发送方式为基于数据重复的多载波发送方式。
  10. 根据权利要求9所述的方法，其特征在于，所述重复数据包括重复的PDCP层协议数据单元。
  11. 根据权利要求9所述的方法，其特征在于，所述重复数据包括重复的第一PDCP实体的数据；所述第一PDCP实体的数据正在被第三传输实体传输，所述第二传输实体用于传输所述重复的第一PDCP实体的数据。
  12. 根据权利要求3或4所述的方法，其特征在于，所述第一传输实体包括RLC实体；一个RLC实体对应一个逻辑信道。
  13. 根据权利要求9～11任一权利要求所述的方法，其特征在于， 所述第二传输实体包括RLC实体；一个RLC实体对应一个逻辑信道。
  14. 根据权利要求1～11任一权利要求所述的方法，其特征在于，所述获得所述第一载波的多载波发送参数，包括：
    获取所述第一载波的载波状态参数；
    根据所述载波状态参数，获得所述多载波发送参数。
  15. 根据权利要求14所述的方法，其特征在于，所述载波状态参数包括信道繁忙率、接收信号强度指示、业务类型以及优先级中的至少一项。
  16. 根据权利要求14所述的方法，其特征在于，所述根据所述载波状态参数，获得所述多载波发送参数之前，还包括：
    获取所述载波状态参数与所述多载波发送参数之间的对应关系，以供根据所述载波状态参数，获得所述第一载波的多载波发送参数。
  17. 根据权利要求16所述的方法，其特征在于，所述获取所述载波状态参数与所述多载波发送参数之间的对应关系，包括：
    从网络设备，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
  18. 根据权利要求16所述的方法，其特征在于，所述获取所述载波状态参数与所述多载波发送参数之间的对应关系，包括：
    从所述终端的用户卡中，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
  19. 根据权利要求16所述的方法，其特征在于，所述获取所述载波状态参数与所述多载波发送参数之间的对应关系，包括：
    从所述终端的设备信息中，获取所述载波状态参数与所述多载波发 送参数之间的对应关系。
  20. 一种终端，其特征在于，包括：
    确定单元，用于确定第一载波的数据发送方式；
    获得单元，用于若所述第一载波的数据发送方式为多载波发送方式，获得所述第一载波的多载波发送参数；
    发送单元，用于利用所述多载波发送参数，在所述第一载波上，进行数据发送。
  21. 根据权利要求20所述的终端，其特征在于，所述多载波发送参数，包括发送功率、编码调制方式、子信道个数限制、以及物理资源块个数限制中的至少一项。
  22. 根据权利要求20所述的终端，其特征在于，所述确定单元，具体用于
    确定所述第一载波是否用于与至少一个第二载波共同承载一个第一传输实体；
    若所述第一载波用于与至少一个第二载波共同承载一个第一传输实体，确定所述第一载波的数据发送方式为多载波发送方式。
  23. 根据权利要求22所述的终端，其特征在于，所述一个第一传输实体正在使用所述至少一个第二载波传输数据。
  24. 根据权利要求20所述的终端，其特征在于，所述确定单元，具体用于
    确定所述第一载波所属的第一载波集合中是否存在至少一个第三载波当前正在被使用；
    若所述第一载波所属的第一载波集合中存在至少一个第三载波当前 正在被使用，确定所述第一载波的数据发送方式为多载波发送方式。
  25. 根据权利要求20所述的终端，其特征在于，所述多载波发送方式包括基于数据重复的多载波发送方式。
  26. 根据权利要求25所述的终端，其特征在于，所述确定单元，具体用于
    确定所述第一载波是否用于承载重复数据；
    若所述第一载波用于承载重复数据，确定所述第一载波的数据发送方式为基于数据重复的多载波发送方式。
  27. 根据权利要求26所述的终端，其特征在于，所述重复数据包括重复的PDCP层协议数据单元。
  28. 根据权利要求25所述的终端，其特征在于，所述确定单元，具体用于
    确定所述第一载波是否用于承载传输重复数据的第二传输实体；
    若所述第一载波用于承载传输重复数据的第二传输实体，确定所述第一载波的数据发送方式为基于数据重复的多载波发送方式。
  29. 根据权利要求28所述的终端，其特征在于，所述重复数据包括重复的PDCP层协议数据单元。
  30. 根据权利要求28所述的终端，其特征在于所述重复数据包括重复的第一PDCP实体的数据；所述第一PDCP实体的数据正在被第三传输实体传输，所述第二传输实体用于传输所述重复的第一PDCP实体的数据。
  31. 根据权利要求22或23所述的终端，其特征在于，所述第一传输实体包括RLC实体；一个RLC实体对应一个逻辑信道。
  32. 根据权利要求28～30任一权利要求所述的终端，其特征在于，所述第二传输实体包括RLC实体；一个RLC实体对应一个逻辑信道。
  33. 根据权利要求20～30任一权利要求所述的终端，其特征在于，所述获得单元，具体用于
    获取所述第一载波的载波状态参数；以及
    根据所述载波状态参数，获得所述多载波发送参数。
  34. 根据权利要求33所述的终端，其特征在于，所述载波状态参数包括信道繁忙率、接收信号强度指示、业务类型以及优先级中的至少一项。
  35. 根据权利要求33所述的终端，其特征在于，所述获得单元，还用于
    获取所述载波状态参数与所述多载波发送参数之间的对应关系，以供根据所述载波状态参数，获得所述第一载波的多载波发送参数。
  36. 根据权利要求35所述的终端，其特征在于，所述获得单元，具体用于
    从网络设备，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
  37. 根据权利要求35所述的终端，其特征在于，所述获得单元，具体用于
    从所述终端的用户卡中，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
  38. 根据权利要求35所述的终端，其特征在于，所述获得单元，具体用于
    从所述终端的设备信息中，获取所述载波状态参数与所述多载波发送参数之间的对应关系。
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