CN111182633B - Communication method and device - Google Patents

Communication method and device Download PDF

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Publication number
CN111182633B
CN111182633B CN201811347708.9A CN201811347708A CN111182633B CN 111182633 B CN111182633 B CN 111182633B CN 201811347708 A CN201811347708 A CN 201811347708A CN 111182633 B CN111182633 B CN 111182633B
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China
Prior art keywords
uplink
information
resource
downlink
service data
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CN201811347708.9A
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CN111182633A (en
Inventor
高瑜
李俊超
唐浩
周国华
唐臻飞
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201811347708.9A priority Critical patent/CN111182633B/en
Priority to PCT/CN2019/118132 priority patent/WO2020098715A1/en
Publication of CN111182633A publication Critical patent/CN111182633A/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
    • H04W72/04—Wireless resource allocation
    • 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
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows

Abstract

A communication method and device, the method includes: the terminal equipment sends downlink service data on the authorized spectrum resources and sends uplink service data on the unauthorized spectrum resources. Because the uplink service data is sent on the unlicensed spectrum resource without permission of the network equipment, the transmission delay of the uplink service data can be reduced.

Description

Communication method and device
Technical Field
The present application relates to the field of communications technologies, and in particular, to a communication method and apparatus.
Background
Currently, spectrum resources can be divided into two categories: licensed spectrum (licensed spectrum) and unlicensed spectrum (unlicensed spectrum). The licensed spectrum is strictly restricted and protected, allowing only authorized users and devices that meet the specifications to access, and users pay for this. Unlicensed spectrum is a spectrum that devices meeting certain specifications and standards can access and use, but need to avoid interference to other users. How to utilize licensed spectrum and unlicensed spectrum for communication is a hot spot of current research.
Disclosure of Invention
Based on the above, the present application provides a communication method and apparatus to reduce the transmission delay of uplink data.
In a first aspect, a communication method is provided, including: receiving downlink service data from the network device on the authorized spectrum resource; and sending uplink service data to the network equipment on the unlicensed spectrum resources.
By the method, the uplink service data is sent on the unlicensed spectrum resource without permission of network equipment, so that the transmission delay of the uplink service data can be reduced.
In one possible design, the sending uplink traffic data to the network device on the unlicensed spectrum resource includes: receiving a first indication from the network device on the licensed spectrum resources, the first indication indicating first time-frequency resources; and sending uplink service data to the network equipment by using the first time-frequency resource.
By the method, the network equipment can allocate the first time-frequency resource to the terminal equipment on the unlicensed frequency spectrum resource, and the terminal equipment can directly perform uplink transmission on the first time-frequency resource without following the LBT principle, so that the transmission delay of uplink service data is further reduced.
In one possible design, the method further includes: receiving first information from the network device on the authorized spectrum resources, wherein the first information comprises resource configuration information of the authorized spectrum resources; and sending second information to the network equipment on the authorized spectrum resource, wherein the second information comprises feedback aiming at the first information.
By the method, the network equipment can determine the terminal equipment in the service range of the network equipment through the second information, and further can allocate the first time-frequency resource to the terminal equipment.
In one possible design, the method further includes: receiving third information from the network device on the authorized spectrum resources, wherein the third information comprises resource configuration information of unlicensed spectrum resources; sending fourth information to the network device on the unlicensed spectrum resource, where the fourth information includes the feedback for the third information.
According to the method, through the fourth information, the network device can determine whether the currently configured unlicensed spectrum resource is available, and if the currently configured unlicensed spectrum resource is not available, the network device can adjust the unlicensed spectrum resource configured for the terminal device, so that communication between the network device and the terminal device on the unlicensed spectrum resource is ensured.
In one possible design, the receiving downlink traffic data from the network device on the licensed spectrum resource includes: determining a first uplink and downlink ratio, where the first uplink and downlink ratio indicates a ratio of an uplink time unit for uplink data transmission and a downlink time unit for downlink data transmission on the authorized spectrum resource; and receiving downlink service data from the network equipment on the authorized spectrum resource according to the first uplink-downlink ratio.
By the method, the first uplink and downlink proportion can be flexibly set in the design. For example, when the following traffic is large, the first uplink-downlink ratio may even be set to 0: 1, thereby meeting the requirement of downlink service transmission.
In one possible design, the method further includes: and sending uplink service data to the network equipment on the authorized spectrum resource according to the first uplink-downlink ratio.
By the method, the first uplink and downlink proportion can be flexibly set in the design, so that the requirement of uplink service transmission is met.
In one possible design, the method further includes: receiving a second indication from the network device on the licensed spectrum resources, where the second indication is used to indicate the first uplink-downlink ratio.
By the method, in the design, according to factors such as the traffic of the terminal equipment, the first uplink and downlink ratio can be flexibly set, and compared with the method that the first uplink and downlink ratio is fixedly set to be 1: 1, the transmission of the uplink and downlink services can be flexibly carried out.
In a second aspect, a communication method is provided, including: sending downlink service data to the terminal equipment on the authorized spectrum resource; and receiving uplink service data from the terminal equipment on the unlicensed spectrum resources.
In one possible design, the receiving uplink traffic data from the terminal device on the unlicensed spectrum resources includes: sending a first indication to the terminal device on the authorized spectrum resource, wherein the first indication is used for indicating a first time-frequency resource; and receiving uplink service data from the terminal equipment by using the first time-frequency resource.
In one possible design, the method further includes: sending first information to the terminal equipment on the authorized spectrum resources, wherein the first information comprises resource configuration information of the authorized spectrum resources; receiving second information from the terminal device on the licensed spectrum resources, the second information including feedback for the first information.
In one possible design, the method further includes: sending third information to the terminal device on the authorized spectrum resources, wherein the third information comprises resource configuration information of unauthorized spectrum resources; receiving fourth information from the terminal device on the unlicensed spectrum resources, the fourth information including feedback for the third information.
In one possible design, the sending downlink traffic data to the terminal device on the authorized spectrum resource includes: determining a first uplink and downlink ratio, where the first uplink and downlink ratio indicates a ratio of an uplink time unit for uplink data transmission and a downlink time unit for downlink data transmission on the authorized spectrum resource; and sending downlink service data to the terminal equipment on the authorized spectrum resource according to the first uplink-downlink ratio.
In one possible design, the method further includes: and receiving uplink service data from the terminal equipment on the authorized spectrum resources according to the first uplink and downlink ratio.
In one possible design, the method further includes: determining the first uplink and downlink ratio; and sending a second indication to the terminal equipment on the authorized spectrum resource, wherein the second indication is used for indicating the first uplink-downlink ratio.
In a third aspect, an embodiment of the present application provides an apparatus, where the apparatus may be a terminal device, or an apparatus in a terminal device, where the apparatus may include a receiving module and a sending module, and the apparatus may perform corresponding functions performed by the terminal device in any of the design examples of the first aspect, specifically:
a receiving module, configured to receive downlink service data from a network device on an authorized spectrum resource;
and the sending module is used for sending the uplink service data to the network equipment on the unlicensed spectrum resources.
In one possible design, the receiving module is further configured to: receiving a first indication from the network device on the licensed spectrum resources, the first indication indicating first time-frequency resources; when the sending module sends the uplink service data to the network device on the unlicensed spectrum resource, the sending module is specifically configured to: and sending uplink service data to the network equipment by using the first time-frequency resource.
In one possible design, the receiving module is further configured to: receiving first information from the network device on the authorized spectrum resources, wherein the first information comprises resource configuration information of the authorized spectrum resources; the sending module is further configured to: and sending second information to the network equipment on the authorized spectrum resource, wherein the second information comprises feedback aiming at the first information.
In one possible design, the receiving module is further configured to: receiving third information from the network device on the authorized spectrum resources, wherein the third information comprises resource configuration information of unlicensed spectrum resources; the sending module is further configured to: sending fourth information to the network device on the unlicensed spectrum resource, where the fourth information includes feedback for the third information.
In one possible design, the apparatus further includes a processing module, where the processing module is configured to determine a first uplink-downlink ratio, where the first uplink-downlink ratio indicates a ratio of an uplink time unit for uplink data transmission and a downlink time unit for downlink data transmission on the authorized spectrum resource;
When the receiving module receives downlink service data from the network device on the authorized spectrum resource, the receiving module is specifically configured to: and receiving downlink service data from the network equipment on the authorized spectrum resource according to the first uplink-downlink ratio.
In one possible design, the sending module is further configured to: and sending uplink service data to the network equipment on the authorized spectrum resource according to the first uplink-downlink ratio.
In one possible design, the receiving module is further configured to: receiving a second indication from the network device on the licensed spectrum resources, where the second indication is used to indicate the first uplink-downlink ratio.
In a fourth aspect, a communication apparatus is provided, where the apparatus may be a network device, or an apparatus in a network device, and the apparatus may include a receiving module and a sending module, and the apparatus may perform corresponding functions performed by the network device in any design example of the second aspect, specifically:
the transmitting module is used for transmitting downlink service data to the terminal equipment on the authorized spectrum resource;
and the receiving module is used for receiving the uplink service data from the terminal equipment on the unlicensed spectrum resources.
In one possible design, the sending module is further configured to send a first indication to the terminal device on the licensed spectrum resource, where the first indication is used to indicate a first time-frequency resource; when the receiving module receives uplink service data from the terminal device on the unlicensed spectrum resource, the receiving module is specifically configured to: and receiving uplink service data from the terminal equipment by using the first time-frequency resource.
In one possible design, the sending module is further to: sending first information to the terminal equipment on the authorized spectrum resources, wherein the first information comprises resource configuration information of the authorized spectrum resources; the receiving module is further configured to: receiving second information from the terminal device on the licensed spectrum resources, the second information including feedback for the first information.
In one possible design, the sending module is further configured to: sending third information to the terminal device on the authorized spectrum resources, wherein the third information comprises resource configuration information of unauthorized spectrum resources; the receiving module is further configured to: receiving fourth information from the terminal device on the unlicensed spectrum resources, the fourth information including feedback for the third information.
In one possible design, the apparatus further includes a processing module, where the processing module is configured to determine a first uplink-downlink ratio, where the first uplink-downlink ratio indicates a ratio of an uplink time unit for uplink data transmission and a downlink time unit for downlink data transmission on the authorized spectrum resource; when the sending module sends downlink service data to the terminal device on the authorized spectrum resource, the sending module is specifically configured to: and sending downlink service data to the terminal equipment on the authorized spectrum resource according to the first uplink and downlink ratio.
In one possible design, the receiving module is further to: and receiving uplink service data from the terminal equipment on the authorized spectrum resource according to the first uplink and downlink ratio.
In one possible design, the apparatus further includes a processing module, configured to determine the first uplink-downlink ratio; the sending module is further configured to: and sending a second indication to the terminal equipment on the authorized spectrum resource, wherein the second indication is used for indicating the first uplink-downlink ratio.
In a fifth aspect, an embodiment of the present application further provides an apparatus, where the apparatus includes a communication interface, where the apparatus is used to communicate with other devices, for example, to implement functions of receiving downlink service data and sending uplink service data in the method described in the first aspect. Illustratively, the communication interface may be a transceiver, a circuit, a bus interface, or the like. The apparatus may further include a memory for storing program instructions and data, and a processor, which is coupled to the memory and capable of calling and executing the program instructions stored in the memory, so as to implement the functions of the terminal device in the method described in the first aspect, such as receiving downlink traffic data on a licensed spectrum resource using a communication interface, and transmitting uplink traffic data on an unlicensed spectrum resource using the communication interface, etc.
In one possible arrangement, the apparatus comprises:
a communication interface;
a memory for storing program instructions;
and the processor is used for calling and executing the program instructions stored in the memory so as to realize the function of sending uplink service data to the network equipment on the unlicensed spectrum resources by using the communication interface or receiving downlink service data from the network equipment on the licensed spectrum resources by using the communication interface.
In one possible design, when the processor transmits uplink service data to the network device on an unlicensed spectrum resource by using a communication interface, the processor is specifically configured to: receiving a first indication from the network device on the licensed spectrum resources, the first indication indicating first time-frequency resources; and sending uplink service data to the network equipment by using the first time-frequency resource.
In one possible design, the processor further utilizes a communication interface to: receiving first information from the network device on the authorized spectrum resources, wherein the first information comprises resource configuration information of the authorized spectrum resources; and sending second information to the network equipment on the authorized spectrum resource, wherein the second information comprises feedback aiming at the first information.
In one possible design, the processor is further to: receiving third information from the network device on the authorized spectrum resources, wherein the third information comprises resource configuration information of unlicensed spectrum resources; sending fourth information to the network device on the unlicensed spectrum resource, where the fourth information includes the feedback for the third information.
In one possible design, the processor is further configured to determine a first uplink-downlink ratio, where the first uplink-downlink ratio indicates a ratio of an uplink time unit for uplink data transmission and a downlink time unit for downlink data transmission on the authorized spectrum resources; the processor, when receiving downlink service data from the network device on the authorized spectrum resource by using the communication interface, is specifically configured to: and receiving downlink service data from the network equipment on the authorized spectrum resource according to the first uplink-downlink ratio.
In one possible design, the processor is further to: and sending uplink service data to the network equipment on the authorized spectrum resource according to the first uplink-downlink ratio.
In one possible design, the processor is further to: receiving a second indication from the network device on the licensed spectrum resources, where the second indication is used to indicate the first uplink-downlink ratio.
In a sixth aspect, embodiments of the present application further provide an apparatus, where the apparatus includes a communication interface, which is used for the apparatus to communicate with other devices, and for example, the communication interface may be a transceiver, a circuit, a bus, or a bus interface. For example, the communication interface may be used to implement the transmission of downlink traffic data on the licensed spectrum resources and the reception of uplink traffic data on the unlicensed spectrum resources, and the like in the description of the second aspect. The apparatus may also include a memory for storing program instructions and data and a processor. The processor may call and execute program instructions stored in the memory for implementing the functions of the network device in the method described in the second aspect above. The memory is coupled with the processor.
In one possible arrangement, the apparatus comprises:
a communication interface;
a memory for storing program instructions;
and the processor is used for calling and executing the program instructions stored in the memory so as to realize the functions of sending downlink service data to the terminal equipment on the authorized spectrum resources by using the communication interface and receiving uplink service data from the terminal equipment on the unauthorized spectrum resources by using the communication interface.
In one possible design, when the processor receives uplink traffic data from the terminal device on an unlicensed spectrum resource using a communication interface, the processor is specifically configured to: sending a first indication to the terminal device on the authorized spectrum resource, wherein the first indication is used for indicating a first time-frequency resource; and receiving uplink service data from the terminal equipment by using the first time-frequency resource.
In one possible design, the processor is further to: sending first information to the terminal equipment on the authorized spectrum resources, wherein the first information comprises resource configuration information of the authorized spectrum resources; receiving second information from the terminal device on the licensed spectrum resource, the second information including feedback for the first information.
In one possible design, the processor is further to: sending third information to the terminal device on the authorized spectrum resource, wherein the third information comprises resource configuration information of an unauthorized spectrum resource; receiving fourth information from the terminal device on the unlicensed spectrum resources, the fourth information including feedback for the third information.
In one possible design, the processor is further configured to determine a first uplink-downlink ratio, where the first uplink-downlink ratio indicates a ratio of an uplink time unit for uplink data transmission and a downlink time unit for downlink data transmission on the authorized spectrum resources; when the processor sends downlink service data to the terminal device on the authorized spectrum resource by using the communication interface, the processor is specifically configured to: and sending downlink service data to the terminal equipment on the authorized spectrum resource according to the first uplink and downlink ratio.
In one possible design, the processor further utilizes a communication interface to: and receiving uplink service data from the terminal equipment on the authorized spectrum resource according to the first uplink and downlink ratio.
In one possible design, the processor is further configured to: and determining the first uplink and downlink ratio. The processor further utilizes a communication interface: and sending a second indication to the terminal equipment on the authorized spectrum resource, wherein the second indication is used for indicating the first uplink-downlink ratio.
In a seventh aspect, this application further provides a computer-readable storage medium, which includes instructions that, when executed on a computer, cause the computer to perform the method of the first aspect and any possible design.
In an eighth aspect, embodiments of the present application further provide a computer-readable storage medium, which includes instructions that, when executed on a computer, cause the computer to perform the method of the second aspect and any possible design.
In a ninth aspect, an embodiment of the present application provides a chip system, where the chip system includes a processor and may further include a memory, and is configured to implement the function of the network device in the foregoing method. The chip system may be formed by a chip, and may also include a chip and other discrete devices.
In a tenth aspect, an embodiment of the present application provides a chip system, where the chip system includes a processor and may further include a memory, and is configured to implement the function of the terminal device in the foregoing method. The chip system may be formed by a chip, and may also include a chip and other discrete devices.
In an eleventh aspect, the present application provides a system including the apparatus of the third aspect or the fifth aspect, and the apparatus of the fourth aspect or the sixth aspect.
In a twelfth aspect, this application further provides a computer program product comprising instructions that, when run on a computer, cause the computer to perform the method of the first aspect and any one of the possible designs, or cause the computer to perform the method of the second aspect and any one of the possible designs.
Drawings
Fig. 1 is a schematic diagram of a communication system according to an embodiment of the present application;
fig. 2 is a flowchart of a communication method according to an embodiment of the present application;
fig. 3 is a schematic diagram of allocating a first time-frequency resource to a terminal device according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a cycle time CT according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of uplink and downlink data transmission performed by using authorized spectrum resources and unauthorized spectrum resources according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a communication system according to an embodiment of the present application.
Detailed Description
For ease of understanding, an explanation of concepts related to the present application is given by way of example for reference, as follows:
1) the terminal device may also be called a terminal, and may be a device with wireless transceiving function, which may be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.). The terminal device may be a User Equipment (UE), wherein the UE includes a handheld device, a vehicle-mounted device, a wearable device, or a computing device having wireless communication functionality. Illustratively, the UE may be a mobile phone (mobile phone), a tablet computer, or a computer with wireless transceiving function. The terminal device may also be a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in unmanned driving, a wireless terminal in telemedicine, a wireless terminal in smart grid, a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and so on. In this embodiment of the present application, the apparatus for implementing the function of the terminal device may be a terminal, or may be an apparatus, such as a chip system, that supports the terminal to implement the function. The chip system in the embodiment of the present application may be composed of a chip, and may also include a chip and other discrete devices.
2) The network device includes a Base Station (BS), which may be a device deployed in a radio access network and capable of communicating with a terminal wirelessly. The base station may have various forms, such as a macro base station, a micro base station, a relay station, an access point, and the like. For example, the base station related to the embodiment of the present application may be a base station in a fifth generation (5th generation, 5G) mobile communication system or a base station in Long Term Evolution (LTE), where the base station in 5G may also be referred to as a Transmission Reception Point (TRP) or a gNB. In this embodiment of the present application, the apparatus for implementing the function of the network device may be a network device, or may be an apparatus, for example, a chip system, that supports the network device to implement the function.
3) Various Radio Access Technologies (RATs) may be used in the communication system, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), single carrier frequency division multiple access (SC-FDMA), etc., and the RAT used in the communication system is not limited in this application. In this application, the term "system" may be used interchangeably with "network". Networks may be classified as 2G (generation), 3G, 4G, or future evolution, such as 5G, depending on the capacity, rate, delay, RAT used, etc. of different networks. Typical 2G networks include a global system for mobile communications (GSM) network or a General Packet Radio Service (GPRS) network, typical 3G networks include a Universal Mobile Telecommunications System (UMTS) network, typical 4G networks include a Long Term Evolution (LTE) network, and typical 5G networks include a new radio access technology (NR) network. Among them, the UMTS network may also be referred to as Universal Terrestrial Radio Access Network (UTRAN) and the LTE network may also be referred to as evolved universal terrestrial radio access network (E-UTRAN).
4) Licensed spectrum (licensed spectrum) resources that allow access to authorized users and their compliant devices and that may require users to pay for this. For example, the licensed spectrum resources may include 3.5G to 3.7GHz bands.
5) Unlicensed spectrum (unlicensed spectrum) resource: devices meeting certain specifications and standards may access and use spectrum resources. For example, the unlicensed spectrum resources may include a 5GHz band. The data is transmitted by using the unlicensed spectrum resource, and the transmitting end may follow a Listen Before Talk (LBT) principle, that is, the transmitting end needs to monitor an unlicensed channel before transmitting the data by using the unlicensed channel corresponding to the unlicensed spectrum resource, and may transmit the data when monitoring that the unlicensed channel is idle, and may not transmit the data when monitoring that the unlicensed channel is busy.
6) A time unit, which is essentially a time resource, may include, but is not limited to, a slot, a subframe, a symbol, a frame, etc.
7) at least one of a or b: a and b may be represented, or a and b, and a and b may be single or plural.
It is to be understood that the terms "first," "second," and the like in the description of the present application are used for descriptive purposes only and not for purposes of indicating or implying relative importance, nor order. In the embodiments of the present application, the term "wireless communication" may also be simply referred to as "communication", and the term "communication" may also be described as "data transmission", "information transmission", or "transmission", or the like.
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
As shown in fig. 1, an embodiment of the present application provides a communication system 100, and the communication system 100 may include a network device 101 and a terminal device 102.
The network device 101 and the terminal device 102 may communicate through a licensed spectrum, may communicate through an unlicensed spectrum, or may communicate through both the licensed spectrum and the unlicensed spectrum. The embodiment of the application does not limit the spectrum resources used between the network device and the terminal device.
As an example, when the network device 101 and the terminal device 102 communicate on the licensed spectrum, the communication may be performed according to a fixed first uplink-downlink ratio. For example, in the industrial internet, the method has the characteristic that the uplink and downlink traffic is equivalent, and therefore, the first uplink and downlink ratio can be set to be 1: 1, the network device 101 and the terminal device 102 may be in accordance with a fixed 1: 1, communication is carried out. For this example, when the terminal device 102 sends the uplink data, the terminal device 102 needs to first pass through the permission of the network device 101, that is, after passing through the permission of the network device 101, the uplink data may be sent, and the time delay of the uplink data is large. For example, first, the terminal device 102 sends an uplink request to the network device 101, the network device 101 may send an uplink sending permission to the terminal device 102 after receiving the uplink request, and the terminal device 102 may send uplink data after receiving the uplink sending permission.
For another example, when the network device 101 and the terminal device 102 communicate on the unlicensed spectrum, a Listen Before Talk (LBT) principle may be followed, and when the network device 101 or the terminal device 102 transmits data, the channel needs to be monitored first, and when the channel is monitored to be idle, the data may be transmitted. For this example, when sending data, both the network device 101 and the terminal device 102 need to monitor a channel, and only when it is monitored that the channel is idle, the data can be sent, and both the sending time delay of the uplink data and the sending time delay of the downlink data are large.
In view of the above, the present application provides a communication method, which has the following principle: and the terminal equipment transmits downlink service data on the authorized spectrum resources and transmits uplink service data on the unauthorized spectrum resources. Because the uplink service data is sent on the unauthorized frequency spectrum resource without permission of network equipment, the transmission delay of the uplink service data can be reduced. Furthermore, the network device may allocate the first time-frequency resource to the terminal device on the unlicensed spectrum resource, and the terminal device may directly perform uplink data transmission on the first time-frequency resource, without following the LBT principle, to further reduce the transmission delay of the uplink service data.
As shown in fig. 2, taking the apparatus for implementing the function of the network device as the network device and taking the apparatus for implementing the function of the terminal device as an example, a flow of the communication method is provided, in which the network device in the flow may be the network device 101 shown in fig. 1, and the terminal device may be the terminal device 102 shown in fig. 1. The process comprises the following steps:
s201, the network equipment sends downlink service data on the authorized spectrum resource.
S202, the terminal equipment receives downlink service data on the authorized spectrum resources.
And S203, the terminal equipment sends uplink service data on the unlicensed spectrum resources.
The uplink service data includes at least one of normal uplink service data or burst uplink service data, and the normal uplink service data may also be referred to as normal uplink service data. The method can also be described as: the uplink service data includes at least one of normal uplink service data or burst uplink service data. For example: the uplink service data includes normal uplink service data, and the uplink service data includes burst uplink service data, or the uplink service data includes normal uplink service data and burst uplink service data.
And S204, the network equipment receives the uplink service data on the unauthorized frequency spectrum resource.
In the frequency domain, when the authorized spectrum resource is configured to be used only for downlink data transmission, the unlicensed spectrum resource may be used for transmission of burst uplink service data and transmission of normal uplink service data, that is, the terminal device may send the burst uplink service data and the normal uplink service data on the unlicensed spectrum resource, and correspondingly, the network device may receive the burst uplink service data and the normal uplink service data on the unlicensed spectrum resource. In one implementation, when there are both burst uplink service data and normal uplink service data to be sent on the unlicensed spectrum resource, the terminal device may send the burst uplink service data first, and then send the normal uplink service data. Or, the terminal device may perform puncturing on the unlicensed spectrum, where the puncturing position is used to transmit the normal uplink service data, and the non-puncturing position may be located to transmit the burst uplink service data. When the authorized spectrum resource is configured to be used for uplink data transmission and downlink data transmission simultaneously, the unlicensed spectrum resource may be used for transmission of the bursty uplink service, that is, the terminal device may send bursty uplink service data on the unlicensed spectrum resource, and correspondingly, the network device may receive bursty uplink service data on the unlicensed spectrum resource.
Optionally, in this embodiment of the present application, when the authorized spectrum resource is configured to be used for uplink data transmission and downlink data transmission simultaneously, if the requirement for timely transmitting the uplink service data cannot be met according to the first uplink-downlink ratio in the authorized spectrum resource, the terminal device may further send the uplink service data on the unauthorized spectrum resource, and correspondingly, the network device may further receive the uplink service data on the unauthorized spectrum resource. For example, as shown in fig. 5, the authorized spectrum resource is 3.5GHz-3.7GHz, the unauthorized spectrum resource is 5GHz, the network device and the terminal device can perform uplink service transmission and downlink service transmission on the authorized spectrum resource, and the network device and the terminal device only perform uplink service transmission on the unauthorized spectrum resource.
In this embodiment, the network device may allocate a first time-frequency resource to the terminal device in the unlicensed spectrum resource. The first time-frequency resource in the frequency domain includes a first resource block in the unlicensed spectrum resource, where the first resource block may specifically include one or more resource blocks, and the first time-frequency resource in the time domain includes a first time unit. The network device may send a first indication, where the first indication is used to notify the terminal device of the first time-frequency resource, and correspondingly, the terminal device may receive the first indication and send uplink service data to the network device according to the first time-frequency resource indicated by the first indication. Or, the position of the first time-frequency resource in the unlicensed spectrum may be preconfigured or predefined, and when the terminal device has uplink service data to be sent, the terminal device may directly send the uplink service data by using the first time-frequency resource at the corresponding position on the unlicensed spectrum resource.
In practice, one or more terminal devices may be included within the service range of the network device. When the service range of the network device includes a terminal device, the network device may allocate the first time-frequency resource to the terminal device independently. When the service range of the network device includes multiple terminal devices, the network device may allocate independent or non-independent first time-frequency resources to each terminal device on the unlicensed spectrum resource, where the first time-frequency resources corresponding to each terminal device may be completely overlapped, may also be partially overlapped, or may not be completely overlapped. It is to be understood that the first time-frequency resources may be allocated independently for each terminal device, for example, the first time-frequency resources that do not overlap are allocated, or the first time-frequency resources that partially overlap are allocated, so that the probability of overlapping the first time-frequency resources between different terminal devices may be reduced as much as possible. The first time-frequency resources corresponding to each terminal device may be the same in size or different in size.
In this embodiment, the following method may be adopted to allocate the first time-frequency resource to the terminal device:
the network device may send first information to the terminal device on the authorized spectrum resource, for example, the first information may be carried in information such as uplink scheduling information or resource configuration information of the authorized spectrum resource. The first information comprises resource configuration information of authorized spectrum resources. For example, the resource configuration information of the licensed spectrum resource may include a slot format, a position of a channel and a signal in a slot, a subcarrier spacing, a Cyclic Prefix (CP) length, and the like.
The terminal device may receive the first information from the network device on the authorized spectrum resource, and send the second information to the network device at a corresponding location of the authorized spectrum resource according to the resource configuration information of the authorized spectrum resource and the like in the first information. The second information comprises feedback aiming at the first information. Specifically, the second information may be an acknowledgement signal, acknowledgement information, or confirmation feedback, etc.
After receiving the second information, the network device can determine the number of the terminal devices in the service range. And then, according to the number of the terminal devices, the traffic and other factors, allocating a first time-frequency resource on the unlicensed spectrum resource for each terminal device in the service range of the terminal device.
In the following embodiments, the following description is given by taking as an example that, on an unlicensed spectrum resource, first time-frequency resources that are not overlapped with each other are allocated to each terminal device, and the first time-frequency resources corresponding to each terminal device have the same size:
for example, as shown in fig. 3, the number of terminal devices in the service range of the network device is 9, and the sequence numbers are terminal device 0 to terminal device 8 in sequence. Then, in the frequency domain, the network device may divide the current unlicensed spectrum resource into 9 blocks, where the sequence numbers are resource block 0 to resource block 8 in sequence. In the time domain, within a Cycle Time (CT), the network device may divide the time into three parts, which are {0, 1/3CT } time, {1/3CT, 2/3CT } time, and {2/3CT, CT } time. The network device may allocate first time-frequency resources to terminal devices 0 to 8, respectively.
In an example, still referring to fig. 3, the first time-frequency resource corresponding to the terminal device 0 is: the frequency domain comprises resource blocks (0, 3 and 6), and the time domain comprises {0, 1/3CT } time; the first time-frequency resource corresponding to the terminal device 1 is: the frequency domain comprises resource blocks (0, 3 and 6), and the time domain comprises {1/3CT, 2/3CT } time; the first time-frequency resource corresponding to the terminal device 2 is: the frequency domain comprises resource blocks (0, 3 and 6), and the time domain comprises time of {2/3CT, CT }; the first time-frequency resource corresponding to the terminal device 3 is: the frequency domain comprises resource blocks (1, 4 and 7), and the time domain comprises {0, 1/3CT } time; the first time-frequency resource corresponding to the terminal device 4 is: the frequency domain comprises resource blocks (1, 4 and 7), and the time domain comprises {1/3CT, 2/3CT } time; the first time-frequency resource corresponding to the terminal device 5 is: the frequency domain comprises resource blocks (1, 4 and 7), and the time domain comprises {2/3CT, CT } time; the first time-frequency resource corresponding to the terminal device 6 is: the frequency domain includes resource blocks (2, 5, 8), the time domain includes {0, 1/3CT } time, and the first time-frequency resource corresponding to the terminal device 7 is: the frequency domain includes resource blocks (2, 5, 8), the time domain includes {1/3CT, 2/3CT } time, and the first time-frequency resource corresponding to the terminal device 8 is: the frequency domain comprises resource blocks (2, 5 and 8), and the time domain comprises 2/3CT and CT time.
If terminal device 3, terminal device 7, and terminal device 8 have uplink traffic data to send at time 1/4CT, terminal device 3 may send uplink traffic data directly using resource block (1, 4, 7) in {1/4CT, 1/3CT }, terminal device 7 may send uplink traffic data directly using resource block (2, 5, 8) in {1/3CT, 2/3CT }, terminal device 8 may send uplink traffic data directly using resource block (2, 5, 8) in {2/3CT, CT }, and LBT principle does not need to be followed. It can be seen that, in the embodiment of the present application, when the terminal device sends the uplink service data on the unlicensed spectrum resource, it is not necessary to pass through the flows of the uplink request, the uplink grant, and the like, as when the uplink service data is sent on the licensed spectrum resource, so that the sending delay of the uplink data is reduced. It should be understood that, in the foregoing embodiment, the example that the network device allocates the first time-frequency resources with the same size to each terminal device is taken as an example, and the description is not limited to the embodiment of the present application. The network device may allocate the same first time-frequency resource or different first time-frequency resources to different terminal devices. For example, if the uplink traffic of some terminal devices is large, the network device may allocate a large first time-frequency resource to the terminal device, and if the uplink traffic of some terminal devices is small, the network device may allocate a small first time-frequency resource to the terminal device.
It should be noted that, in this embodiment, the network device may statically, semi-statically, or dynamically allocate the first time-frequency resource to the terminal device. The static state refers to that after the initialization of the network device is completed, the first time-frequency resource is indicated to the terminal device, and the subsequent terminal device can send uplink service data to the network device by using the first time-frequency resource. The semi-static state and the dynamic state refer to that the network equipment can adjust the first time-frequency resource distributed to the terminal equipment in real time according to factors such as the change of the uplink traffic volume of the terminal equipment, the change of the number of the uplink traffic volume of the terminal equipment and the like, and timely inform the terminal equipment of the adjusted first time-frequency resource. For example, in the current communication process, if a new terminal device appears in the service range of the network device, the network device needs to allocate the first time-frequency resource to the terminal device, and may need to adjust the first time-frequency resource of the original other terminal devices, and the network device needs to notify the first time-frequency resource allocated to the new terminal device and the first time-frequency resource adjusted by the original other terminal devices to the corresponding terminal devices. For another example, in the current communication process, the traffic of the terminal device changes, and then the network device may adjust the first time-frequency resource allocated to the terminal device according to the change of the traffic of the terminal device, and notify the adjusted first time-frequency resource to the corresponding terminal device.
When the network device semi-statically allocates the first time-frequency resource to the terminal device, the first time-frequency resource may be allocated to the terminal device through semi-static signaling. For example, the semi-static signaling may be Radio Resource Control (RRC) signaling, broadcast messages, system messages, Medium Access Control (MAC) Control Elements (CEs), and the like.
When the network device dynamically allocates the first time-frequency resource to the terminal device, the first time-frequency resource may be allocated to the terminal device through a dynamic signaling. For example, the dynamic signaling may be physical layer signaling, and the physical layer signaling may be signaling carried by Downlink Control Information (DCI) or a Physical Downlink Shared Channel (PDSCH). The DCI may be a signaling sent by the network device to the terminal device through a Physical Downlink Control Channel (PDCCH), that is, the DCI may be a signaling carried by the PDCCH.
Optionally, in this embodiment of the present application, the network device may further determine whether the currently configured unlicensed spectrum resource is available, and the like, specifically:
and the network equipment sends third information to the terminal equipment on the authorized spectrum resources, wherein the third information can be carried in the uplink scheduling information or the resource configuration information of the unauthorized spectrum resources and the like. The third information includes resource configuration information of the unlicensed spectrum resource. For example, the resource configuration information of the unlicensed spectrum resource may include a location and a bandwidth of the unlicensed spectrum resource. Accordingly, the terminal device receives the third information from the terminal device on the authorized spectrum resource. The third information may be carried in the same information as the first information or different information.
And the terminal equipment sends fourth information to the network equipment at the corresponding position of the unauthorized spectrum resource according to the resource configuration information of the unauthorized spectrum resource in the third information, wherein the fourth information comprises feedback aiming at the third information. Accordingly, the network device receives the fourth information from the terminal device at the corresponding location of the unlicensed spectrum resource.
The network device may determine whether the current unlicensed spectrum resource is available after receiving the fourth information. If the current licensed spectrum resources are available, then a first time-frequency resource may be allocated for each terminal device specifically in the unlicensed spectrum resources. If the current authorized spectrum resources are not available, the unlicensed spectrum resources can be adjusted, and then the first time-frequency resources are allocated to each terminal device in the adjusted unlicensed spectrum resources.
For example, the unlicensed spectrum resource currently configured for the terminal device in the third information is 5.1GHz-5.2GHz, and if it is determined that the current unlicensed spectrum resource is unavailable, the unlicensed spectrum resource configured for the terminal device may be adjusted, for example, the adjusted unlicensed spectrum resource may be 5.3GHz-5.4GHz, and the like.
In this embodiment, the following method may be specifically adopted to determine whether the current unlicensed spectrum resource is available:
The first example is: the network device includes M1 terminal devices within the service range, but receives M2 fourth messages on the current unlicensed spectrum resources, and when the ratio of (M1-M2)/M1 is less than or equal to a first threshold, it may be determined that the current unlicensed spectrum resources are available, otherwise, it may be determined that the current unlicensed spectrum resources are not available, the first threshold may be, but is not limited to be, equal to 0, and so on. For example, the service range of the network device includes 10 terminal devices, and it can be determined how the current unlicensed spectrum resource is available by receiving the fourth information sent by the 10 terminal devices on the current unlicensed spectrum resource. If the fourth information transmitted by 8 terminal devices is received on the current unlicensed spectrum resources, it may be determined that the current unlicensed spectrum resources are not available.
The second example is: and for each terminal device within the service range of the network device, the third information is sent on the authorized spectrum resource, and correspondingly, the network device can receive the third information sent by each terminal device on the authorized spectrum resource. For a terminal device i, a network device may determine whether fourth information sent by the terminal device i may be received on a current unlicensed spectrum resource, and if so, may determine that the terminal device i may normally communicate on the current unlicensed spectrum resource, where the terminal device i is any terminal device in a service range of the network device, and if a ratio of terminal devices that may normally communicate on the current unlicensed spectrum resource reaches a second threshold, may determine that the current unlicensed spectrum resource is available, and otherwise, determines that the current unlicensed spectrum resource is unavailable, where the second threshold may be, but is not limited to, 100%. For example, the network device includes 10 terminal devices within the service range, and if all 10 terminal devices can normally communicate on the unlicensed spectrum resources, the network device may determine that the current unlicensed spectrum resources are available, otherwise, determine that the current unlicensed spectrum resources are unavailable.
In this embodiment of the present application, the first information and the third information are both carried in uplink scheduling information, and the second information and the fourth information are both determined signals:
in time unit n, the network device may send uplink scheduling information to the terminal device on the authorized spectrum resource, where the uplink scheduling information may include a slot format, a position of a channel and a signal in a slot, a subcarrier interval, a Cyclic Prefix (CP) length, a position and a bandwidth of an unlicensed spectrum resource, and the like. The time-frequency format, the position of the channel and signal in the time slot, the subcarrier spacing, the CP length, etc. may be resource configuration information of the authorized spectrum resource, and the position and bandwidth of the unauthorized resource, etc. may be resource configuration information of the unauthorized spectrum resource.
In time unit n + k, the terminal device may send an acknowledgement signal to the network device on the authorized spectrum resource and on the unlicensed spectrum resource, respectively, using the format configured in the uplink scheduling information. At this time, when the terminal device transmits the acknowledgement signal on the unlicensed spectrum resource, it needs to comply with the LBT principle. Wherein n and k are each an integer greater than or equal to 0.
If the network device can receive the acknowledgement signal on the current unlicensed spectrum resource, on the one hand, the network device may determine that the terminal device can receive the uplink scheduling information on the licensed spectrum resource. On the other hand, the network device may determine whether the transmission of the terminal device within its service range on the current unlicensed spectrum resource has the effect of other interference. For example, for a certain terminal device, the network device may receive an acknowledgement signal sent by the terminal device on the licensed spectrum resource, but receive an acknowledgement signal sent by the terminal device on the current unlicensed spectrum resource. The network device may adjust the currently configured unlicensed spectrum resource (e.g., from 5.1GHz to 5.2GHz, to 5.3GHz to 5.4GHz, etc.), and resend the uplink scheduling information to the terminal device until the network device successfully receives acknowledgement signals sent by all terminal devices in its service range on the unlicensed spectrum resource.
In this embodiment of the present application, when the network device and the terminal device perform data transmission on the licensed spectrum resource, a time division multiple access (TDD) duplex mode may be used. Specifically, the network device and the terminal device may perform data transmission on the authorized spectrum resource by using the first uplink-downlink ratio, for example, the network device may send downlink service data on the authorized spectrum resource according to the first uplink-downlink ratio, and correspondingly, the terminal device receives the downlink service data on the authorized spectrum resource according to the first uplink-downlink ratio. Or, the terminal device may send the uplink service data on the authorized spectrum resource according to the first uplink-downlink ratio, and correspondingly, the network device may receive the uplink service data on the authorized spectrum resource according to the first uplink-downlink ratio. The first uplink-downlink ratio may not be 1: 1. for example, the first uplink-downlink ratio may be 0: at this time, the authorized spectrum resources are completely used for downlink, and for uplink services, which may include burst uplink service data and normal uplink service data, may be transmitted on the unlicensed spectrum resources. For another example, the first uplink-downlink ratio may be 3: 1, that is, on the authorized spectrum resource, the ratio of the uplink time unit for uplink data transmission to the downlink time unit for downlink data transmission is 3: 1.
For example, in the industrial internet, the network device and the terminal device may perform data transmission in units of cycles. The network device may configure the length of the period for the terminal device. For example, the network device may configure the terminal device with a cycle including 1 or more Cycle Times (CTs), each CT including one or more time units, and each time unit may include one or more time slots. The first uplink/downlink ratio may specifically refer to a ratio of an uplink time unit used for uplink service transmission to a downlink time unit used for downlink service transmission in one CT. For example, as shown in fig. 4, one CT includes a downlink time unit, an idle time unit, and an uplink time unit. The downlink time unit is used for downlink service transmission, the uplink time unit is used for uplink service transmission, and the idle unit is not used for service transmission. If the number of the downlink time units is 3 and the number of the uplink time units is 1, the first uplink-downlink ratio may be specifically 1: 3. it is understood that the idle units may or may not be included in each CT, including only the uplink time units and the downlink time units. In the embodiment shown in fig. 4, the example that the CT includes the idle time unit is taken as an example for explanation, and the embodiment of the present application is not limited thereto.
In the embodiment of the application, the network device may adjust the first uplink-downlink ratio in the authorized spectrum in real time according to the uplink and downlink traffic and other factors. For example, when the downlink traffic volume is large, the first uplink-downlink ratio in the licensed spectrum may be set to be small, and even to be 0: 1, the licensed spectrum is now fully used for downlink data transmission. Compared with the prior art, the first uplink and downlink proportion in the authorized spectrum is fixedly set to be 1: 1, the flexibility of data transmission is increased, and the requirements of uplink and downlink data transmission are met. It can be understood that, after the network device determines the first uplink-downlink ratio in the authorized spectrum, the terminal device may be notified of the first uplink-downlink ratio through the indication information, for example, the second indication, so that the terminal device receives downlink service data or sends uplink service data according to the first uplink-downlink ratio, and correspondingly, the network device may send downlink service data or receive uplink service data according to the first uplink-downlink ratio.
Therefore, in the embodiment of the application, a way for the terminal device to send the uplink service data in the unlicensed spectrum resource is added, and the uplink and downlink ratio in the licensed spectrum resource can be flexibly configured, so that the data volume required to be sent by the downlink and the real-time property of sending the uplink data are better considered.
It can be understood that the technical solutions provided in the embodiments of the present application can be applied to wireless communication between communication devices. The wireless communication between the communication devices may include: wireless communication between a network device and a terminal device, wireless communication between a network device and a network device, and wireless communication between a terminal device and a terminal device. In the embodiments of the present application, description is given taking wireless communication between a network device and a terminal device as an example, and the description is not intended to limit the embodiments of the present application.
In the embodiments provided in the present application, the method provided in the embodiments of the present application is introduced from the perspective of a network device, a terminal, and interaction between the network device and the terminal. In order to implement the functions in the method provided by the embodiments of the present application, the network device and the terminal device may include a hardware structure and/or a software module, and the functions are implemented in the form of a hardware structure, a software module, or a hardware structure and a software module. Whether any of the above-described functions is implemented as a hardware structure, a software module, or a hardware structure plus a software module depends upon the particular application and design constraints imposed on the technical solution.
Similar to the above concept, as shown in fig. 6, the present application further provides an apparatus 600, and the apparatus 600 may include a transceiver module 610. Optionally, the apparatus further comprises a processing module 620.
In a first example, the apparatus 600 is configured to implement the functions of the terminal device in the above method. The apparatus may be a terminal device, or an apparatus in a terminal device. Wherein the apparatus may be a system-on-a-chip. In the embodiment of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices.
The transceiver module 610 is configured to receive downlink service data from a network device on a licensed spectrum resource and transmit uplink service data to the network device on an unlicensed spectrum resource. The processing module 620 is configured to process the received downlink service data and/or generate uplink service data.
In a second example, the apparatus 600 is used to implement the functions of the network device in the above method. The apparatus may be a network device, or an apparatus in a network device. Wherein the apparatus may be a system-on-a-chip.
The transceiver module 610 is configured to send downlink service data to a terminal device on a licensed spectrum resource, and receive uplink service data from the terminal device on an unlicensed spectrum resource. The processing module 620 is configured to generate downlink service data and/or process received uplink service data.
For specific implementation procedures of the transceiver module 610 and the processing module 620, reference may be made to the above-mentioned method embodiment, for example, the description in fig. 2. The division of the modules in the embodiments of the present application is schematic, and only one logical function division is provided, and in actual implementation, there may be another division manner, and in addition, each functional module in each embodiment of the present application may be integrated in one processor, may also exist alone physically, or may also be integrated in one module by two or more modules. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
Similar to the above concept, as shown in fig. 7, the present application provides an apparatus 700 for implementing the functions of the terminal device in the above method. The apparatus may be a terminal device, or an apparatus capable of implementing a function of the terminal device, such as a chip system, or the apparatus 700 is used to implement a function of a network device in the foregoing method, and the apparatus may be a network device, or an apparatus capable of implementing a function of a network device, such as a chip system.
The apparatus 700 includes at least one processor 720, configured to implement the functions of the terminal device or the network device in the methods provided in the embodiments of the present application. For example, the processor 720 may generate uplink service data, control the uplink service data to be transmitted on the unlicensed spectrum resource, and the like, which refer to the detailed description in the method example and are not described herein again.
The apparatus 700 may also include at least one memory 730 for storing program instructions and/or data. Memory 730 is coupled to processor 720. The coupling in the embodiments of the present application is an indirect coupling or a communication connection between devices, units or modules, and may be an electrical, mechanical or other form for information interaction between the devices, units or modules. Processor 720 may cooperate with memory 730. Processor 720 may execute program instructions stored in memory 730. At least one of the at least one memory may be included in the processor.
Apparatus 700 may also include a communication interface 710 for communicating with other devices over a transmission medium such that the apparatus used in apparatus 700 may communicate with the other devices. Illustratively, the communication interface 710 may be a transceiver, circuit, bus, module, or other type of communication interface, which may be a terminal device or a network device. The processor 720 utilizes the communication interface 710 to send and receive data and is used to implement the method of the corresponding embodiment of fig. 2.
The specific connection medium among the communication interface 710, the processor 720 and the memory 730 is not limited in the embodiments of the present application. In fig. 7, the memory 730, the processor 720 and the transceiver 710 are connected by a bus 740, the bus is represented by a thick line in fig. 7, and the connection manner between other components is merely illustrative and not limited. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 7, but that does not indicate only one bus or one type of bus.
In the embodiments of the present application, the processor may be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may implement or execute the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software modules in a processor.
In the embodiment of the present application, the memory may be a nonvolatile memory, such as a Hard Disk Drive (HDD) or a solid-state drive (SSD), and may also be a volatile memory, for example, a random-access memory (RAM). The memory is any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to such. The memory in the embodiments of the present application may also be circuitry or any other device capable of performing a storage function for storing program instructions and/or data.
According to the method provided by the embodiment of the present application, as shown in fig. 8, a communication system 800 is further provided, which includes the terminal device 810 and the network device 820 described above. For example, the network device may send downlink service data on the authorized spectrum resource, the terminal device may receive downlink service data on the authorized spectrum resource, the terminal device may send uplink service data on the unlicensed spectrum resource, and the network device may receive uplink service data on the unlicensed spectrum resource.
The method provided by the embodiment of the present application may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, a network appliance, a user device, or other programmable apparatus. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)), or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a Digital Video Disk (DVD)), or a semiconductor medium (e.g., an SSD), among others.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (15)

1. A method of communication, comprising:
receiving downlink service data from the network device on the authorized spectrum resource;
sending uplink service data to the network equipment on a first time-frequency resource in the unlicensed frequency spectrum resources;
receiving first information from the network device on the authorized spectrum resources, wherein the first information comprises resource configuration information of the authorized spectrum resources;
and sending second information to the network equipment on the authorized spectrum resource, wherein the second information comprises feedback aiming at the first information, and the second information is used for allocating the first time-frequency resource.
2. The method of claim 1, wherein the transmitting uplink traffic data to the network device on a first time-frequency resource in unlicensed spectrum resources comprises:
receiving a first indication from the network device on the licensed spectrum resources, the first indication indicating first time-frequency resources;
And sending uplink service data to the network equipment by using the first time-frequency resource.
3. The method of claim 1 or 2, wherein the method further comprises:
receiving third information from the network device on the authorized spectrum resources, wherein the third information comprises resource configuration information of unlicensed spectrum resources;
sending fourth information to the network device on the unlicensed spectrum resource, where the fourth information includes the feedback for the third information.
4. The method of claim 1, wherein receiving downlink traffic data from a network device on a licensed spectrum resource comprises:
determining a first uplink and downlink ratio, where the first uplink and downlink ratio indicates a ratio of an uplink time unit for uplink data transmission and a downlink time unit for downlink data transmission on the authorized spectrum resource;
and receiving downlink service data from the network equipment on the authorized spectrum resource according to the first uplink-downlink ratio.
5. The method of claim 1, wherein the method further comprises:
and sending uplink service data to the network equipment on the authorized spectrum resource according to the first uplink-downlink ratio.
6. The method of claim 4 or 5, wherein the method further comprises:
receiving a second indication from the network device on the licensed spectrum resources, where the second indication is used to indicate the first uplink-downlink ratio.
7. A method of communication, comprising:
sending downlink service data to the terminal equipment on the authorized spectrum resource;
receiving uplink service data from the terminal equipment on a first time-frequency resource in the unlicensed frequency spectrum resources;
sending first information to the terminal equipment on the authorized spectrum resources, wherein the first information comprises resource configuration information of the authorized spectrum resources;
receiving second information from the terminal device on the licensed spectrum resources, the second information including feedback for the first information;
and allocating the first time-frequency resource to the terminal equipment according to the second information.
8. The method of claim 7, wherein the receiving uplink traffic data from the terminal device on a first time-frequency resource in unlicensed spectrum resources comprises:
sending a first indication to the terminal device on the authorized spectrum resource, wherein the first indication is used for indicating a first time-frequency resource;
And receiving uplink service data from the terminal equipment by using the first time-frequency resource.
9. The method of claim 7 or 8, further comprising:
sending third information to the terminal device on the authorized spectrum resources, wherein the third information comprises resource configuration information of unauthorized spectrum resources;
receiving fourth information from the terminal device on the unlicensed spectrum resources, the fourth information including feedback for the third information.
10. The method of claim 7, wherein the transmitting downlink traffic data to the terminal device on the licensed spectrum resource comprises:
determining a first uplink and downlink ratio, where the first uplink and downlink ratio indicates a ratio of an uplink time unit for uplink data transmission and a downlink time unit for downlink data transmission on the authorized spectrum resource;
and sending downlink service data to the terminal equipment on the authorized spectrum resource according to the first uplink-downlink ratio.
11. The method of claim 7, wherein the method further comprises:
and receiving uplink service data from the terminal equipment on the authorized spectrum resources according to the first uplink and downlink ratio.
12. The method of claim 10 or 11, further comprising:
determining the first uplink and downlink ratio;
and sending a second indication to the terminal equipment on the authorized spectrum resource, wherein the second indication is used for indicating the first uplink-downlink ratio.
13. An apparatus for carrying out the method of any one of claims 1 to 12.
14. An apparatus comprising a processor and a memory, the memory having stored therein instructions that, when invoked, cause the apparatus to perform the method of any of claims 1 to 12.
15. A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 12.
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Publication number Priority date Publication date Assignee Title
CN113133003B (en) * 2021-04-01 2022-09-02 浙江树人学院（浙江树人大学） FPGA system for dynamically sharing frequency spectrum of LTE system with unauthorized frequency band
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Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2282437B1 (en) * 2009-08-02 2016-11-02 Innovative Sonic Corporation Method and apparatus for PDCCH allocation in wireless communication system
CN104012121B (en) * 2011-10-13 2018-07-03 华为技术有限公司 For data channel transmission and the system and method received
CN104901775B (en) * 2014-03-09 2018-12-21 上海朗帛通信技术有限公司 A kind of communication means and device in unlicensed spectrum
CN105230102B (en) * 2014-04-30 2019-05-28 华为技术有限公司 Dispatching method, equipment and the user equipment (UE) of unlicensed spectrum
CN105099642B (en) * 2014-05-19 2019-06-07 中兴通讯股份有限公司 A kind of data transmission method, device and computer storage medium
CN105323049A (en) * 2014-06-13 2016-02-10 中兴通讯股份有限公司 Scheduling method, device and system of unauthorized carrier
CN104113844B (en) * 2014-07-24 2018-06-26 电信科学技术研究院 A kind of frequency spectrum distributing method and information uploading method, device
CN105659678B (en) * 2014-09-30 2020-07-10 诸暨市元畅信息技术咨询服务部 Uplink data transmission method and related equipment
US9794960B2 (en) * 2014-12-31 2017-10-17 Samsung Electronics Co., Ltd. Methods and apparatus for uplink channel access and transmissions for LTE on unlicensed spectrum
CN113259053A (en) * 2015-01-29 2021-08-13 北京三星通信技术研究有限公司 Method and device for sending uplink control signal
CN106162909B (en) * 2015-04-13 2020-03-24 中国移动通信集团公司 Uplink data transmission method and device under unlicensed frequency band
CN105101439B (en) * 2015-08-28 2018-09-14 宇龙计算机通信科技(深圳)有限公司 A kind of method and terminal of transmission
CN105072690B (en) * 2015-09-06 2018-08-28 魅族科技（中国）有限公司 Data transmission method based on unlicensed spectrum and device
CN107113874B (en) * 2015-09-23 2020-10-09 华为技术有限公司 Base station, user terminal and data transmission method
CN106658742B (en) * 2015-11-03 2020-07-03 中兴通讯股份有限公司 Method, device and system for scheduling and transmitting data
CN106792786A (en) * 2015-11-24 2017-05-31 中国移动通信集团公司 A kind of adjacent frequency measuring method, base station and terminal
KR102542303B1 (en) * 2015-12-10 2023-06-12 삼성전자 주식회사 Method and apparatus for operation of resource in a wireless communication system
CN105517061B (en) * 2016-01-15 2019-03-22 宇龙计算机通信科技(深圳)有限公司 The method and device of sub-frame of uplink is indicated in a kind of unlicensed spectrum
EP3860292A1 (en) * 2016-02-04 2021-08-04 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and device for transmitting uplink information on unlicensed carrier
CN107682931A (en) * 2016-08-09 2018-02-09 深圳市金立通信设备有限公司 A kind of data communications method and device
CN106131965B (en) * 2016-08-15 2019-11-12 宇龙计算机通信科技(深圳)有限公司 Subframe configuration method and sub-frame configuration device in unauthorized frequency range

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