CN114697972A - Radio frequency channel sharing method and device, electronic equipment and readable storage medium - Google Patents

Radio frequency channel sharing method and device, electronic equipment and readable storage medium Download PDF

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Publication number
CN114697972A
CN114697972A CN202011628968.0A CN202011628968A CN114697972A CN 114697972 A CN114697972 A CN 114697972A CN 202011628968 A CN202011628968 A CN 202011628968A CN 114697972 A CN114697972 A CN 114697972A
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China
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resource
mode
radio frequency
sub
multimode terminal
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Inventor
袁乃华
刘明
陈贵荣
毕战红
谢生鹤
周维
周瑞军
朱玉梅
范晨
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Chengdu TD Tech Ltd
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Chengdu TD Tech Ltd
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Priority to CN202011628968.0A priority Critical patent/CN114697972A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the application provides a radio frequency channel sharing method, a radio frequency channel sharing device, electronic equipment and a readable storage medium, which are applied to a multi-mode terminal supporting at least two working modes, wherein the working modes correspond to radio frequency channels one to one. And after the first multimode terminal determines the working mode in an activated state in at least two working modes, namely after the current working mode, if the current working mode is any one of the at least two working modes, the first multimode terminal uses the at least two radio frequency channels for communication on the air interface wireless resources. By adopting the scheme, the first multimode terminal adaptively configures the shared radio frequency channel according to the current working mode, and when the first multimode terminal supporting multiple working modes only works in one working mode, the first multimode terminal only shares all the radio frequency channels, so that the utilization rate of radio frequency hardware is realized, and the transmission efficiency of service data is improved.

Description

Radio frequency channel sharing method and device, electronic equipment and readable storage medium
Technical Field
Embodiments of the present invention relate to the field of communications technologies, and in particular, to a method and an apparatus for sharing a radio frequency channel, an electronic device, and a readable storage medium.
Background
At present, with the rapid development of wireless communication technology, more and more electronic devices support multiple operating modes.
In general, in order to ensure that the electronic device can normally operate in each operating mode, an independent radio frequency channel is set for each operating mode.
The above configuration cannot fully utilize the radio frequency hardware of the electronic device, resulting in low data transmission efficiency.
Disclosure of Invention
The embodiment of the invention provides a radio frequency access sharing method and device, electronic equipment and a readable storage medium, wherein the radio frequency access sharing is carried out based on the working mode of a multi-mode terminal, so that the utilization rate of radio frequency hardware is improved, and meanwhile, the data transmission efficiency is improved.
In a first aspect, an embodiment of the present application provides a radio frequency path sharing method, which is applied to a first multimode terminal, where the first multimode terminal supports at least two working modes and has at least two radio frequency paths, and the working modes and the radio frequency paths are in one-to-one correspondence, where the method includes:
determining a current working mode of the first multimode terminal, wherein the current working mode is a working mode in an activated state in the at least two working modes;
and when the current working mode is any one of the at least two working modes, using the at least two radio frequency channels for communication on air interface wireless resources.
In a feasible implementation manner, when the current operating mode includes a first operating mode and a second operating mode of the at least two operating modes, determining a first sub-resource and a second sub-resource from the air interface radio resource, where the first sub-resource and the second sub-resource are time division multiplexed or frequency division multiplexed;
communicating on the first sub-resource using a first radio frequency path of the first mode of operation;
communicating on the second sub-resource using a second radio frequency path of the second operating mode, the first radio frequency path and the second radio frequency path being included in the at least two radio frequency paths.
In a feasible implementation manner, the determining, when the current operating mode is a first operating mode and a second operating mode of the at least two operating modes, a first sub-resource and a second sub-resource from the air interface radio resource includes:
determining a first traffic volume of the first operating mode and a second traffic volume of a second operating mode;
and determining the first sub-resource and the second sub-resource from the air interface wireless resource according to the first service volume and the second service volume.
In a feasible implementation manner, when the current working mode includes a Mesh mode and a 5G client mode, receiving service data through a radio frequency path corresponding to the 5G client;
and when the service data is not the service data of the first multimode terminal, transmitting the service data through a radio frequency channel corresponding to the Mesh mode.
In a possible implementation manner, when the current working mode at least comprises a Mesh mode, determining an IP address of the first multimode terminal;
and acquiring a routing table of the Mesh networking, wherein the routing table comprises the IP address.
In a feasible implementation manner, when the current working mode at least includes a Mesh mode, a third sub-resource used for the Mesh mode is determined from the air interface wireless resource, where the third sub-resource includes a local resource and a relay resource, the local resource is used to transmit service data of the first multimode terminal, and the relay resource is used to forward service data of other multimode terminals except the first multimode terminal;
time-division multiplexing and/or frequency-division multiplexing the third sub-resource with at least one second multimode terminal.
In a feasible implementation manner, after determining, when the current operating mode at least includes the Mesh mode, a third sub-resource used for the Mesh mode from the air interface radio resource, the method further includes:
removing resources corresponding to the beacon channel and the control channel from the third sub-resources to obtain residual resources;
and determining the local resources and the relay resources from the residual resources.
In a second aspect, an embodiment of the present application provides an rf path sharing apparatus, including:
a processing module, configured to determine a current working mode of a first multimode terminal, where the current working mode is an active working mode of the at least two working modes, and the first multimode terminal supports the at least two working modes and has at least two radio frequency paths, and the working modes and the radio frequency paths are in one-to-one correspondence;
and a transceiver module, configured to use the at least two radio frequency channels for communication on an air interface radio resource when the current operating mode is any one of the at least two operating modes.
In a feasible implementation manner, the processing module is further configured to determine, when the current operating mode includes a first operating mode and a second operating mode of the at least two operating modes, a first sub-resource and a second sub-resource from the air interface radio resource, where the first sub-resource and the second sub-resource are time division multiplexed or frequency division multiplexed;
the transceiver module is configured to communicate on the first sub-resource using a first radio frequency channel of the first operating mode; communicating on the second sub-resource using a second radio frequency path of the second operating mode, the first radio frequency path and the second radio frequency path being included in the at least two radio frequency paths.
In a feasible implementation manner, when the current working mode is a first working mode and a second working mode of the at least two working modes, and the processing module determines a first sub-resource and a second sub-resource from the air interface radio resource, the processing module is configured to determine a first traffic volume of the first working mode and a second traffic volume of the second working mode; and determining the first sub-resource and the second sub-resource from the air interface wireless resource according to the first service volume and the second service volume.
In a feasible implementation manner, the transceiver module is configured to receive service data through a radio frequency path corresponding to a 5G client when the current working mode includes a Mesh mode and a 5G client mode; and when the service data is not the service data of the first multimode terminal, transmitting the service data through a radio frequency channel corresponding to the Mesh mode.
In a possible implementation manner, when the current working mode at least includes a Mesh mode, the processing module is configured to determine an IP address of the first multimode terminal, and obtain a routing table of a Mesh networking, where the routing table includes the IP address.
In a feasible implementation manner, when the current working mode at least includes a Mesh mode, the processing module is configured to determine a third sub-resource used for the Mesh mode from the air interface wireless resource, where the third sub-resource includes a local resource and a relay resource, the local resource is used to transmit service data of the first multimode terminal, and the relay resource is used to forward service data of other multimode terminals except the first multimode terminal; time-division multiplexing and/or frequency-division multiplexing the third sub-resource with at least one second multimode terminal.
In a feasible implementation manner, when the current working mode at least includes the Mesh mode, the processing module is further configured to remove resources corresponding to a beacon channel and a control channel from a third sub-resource after determining the third sub-resource used for the Mesh mode from the air interface wireless resource, so as to obtain a remaining resource; and determining the local resources and the relay resources from the residual resources.
In a third aspect, an embodiment of the present application provides a multimode terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the processor executes the program to enable the multimode terminal to implement the method in the first aspect or the various possible implementation manners of the first aspect.
In a fourth aspect, embodiments of the present application provide a computer program product containing computer instructions, which, when run on a multimode terminal, cause the multimode terminal to perform the method of the first aspect or the various possible implementations of the first aspect.
In a fifth aspect, embodiments of the present application provide a readable storage medium, which stores computer instructions that, when executed on a multimode terminal, cause the multimode terminal to perform the method according to the first aspect or the various possible implementation manners of the first aspect.
The radio frequency path sharing method, the radio frequency path sharing device, the electronic equipment and the readable storage medium provided by the embodiment of the application are applied to a multi-mode terminal supporting at least two working modes, and the working modes correspond to the radio frequency paths one to one. And after the first multimode terminal determines the working mode in an activated state in at least two working modes, namely after the current working mode, if the current working mode is any one of the at least two working modes, the first multimode terminal uses the at least two radio frequency channels for communication on the air interface wireless resources. By adopting the scheme, the first multimode terminal adaptively configures the shared radio frequency channel according to the current working mode, and when the first multimode terminal supporting multiple working modes only works in one working mode, the first multimode terminal only shares all the radio frequency channels, so that the utilization rate of radio frequency hardware is realized, and the transmission efficiency of service data is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a logic diagram of a multimode terminal to which a radio frequency path sharing method according to an embodiment of the present application is applied;
fig. 2 is a flowchart of a radio frequency path sharing method provided in an embodiment of the present application;
fig. 3 is a schematic diagram of frequency resource frequency division multiplexing in a radio frequency path sharing method according to an embodiment of the present application;
fig. 4 is a schematic diagram illustrating adjusting frequency resources according to traffic in a radio frequency path sharing method according to an embodiment of the present application;
fig. 5 is a schematic diagram of a plurality of mesh nodes time division multiplexing and frequency division multiplexing air interface wireless resources in the radio frequency path sharing method provided in the embodiment of the present application;
fig. 6 is a schematic structural diagram of an rf path sharing device according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a multimode terminal according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
At present, with the rapid development of wireless communication technology, wireless communication modes are mainly classified into two categories: a centralized communication mode and a decentralized communication mode. The centerless communication mode has the advantages of easiness in expansion, good toughness, self-organization, self-recovery, self-configuration and the like. In the centerless communication mode, an independent and complete central control unit is not arranged, nodes in the network are all equivalent, and the node and the adjacent nodes are in direct communication. Common ad hoc network centerless communication methods include device to device (D2D) defined by the third Generation Partnership Project (3 GPP), Long Term Evolution (LTE) relay communication, vehicle to anything (V2X) communication, and the like. The V2X communications, in turn, include LTE V2X communications or New Radio (NR). Although Relay (Relay) version 10 (vision 10, R10) defines Relay technology, the Relay technology supports only a single hop. R15 introduces an Access Backhaul (IBA) technology, which supports multi-hop, but the standard and industry chain are not mature.
Vehicle to anything (V2X) communication is a vehicle wireless communication technology, and is a new generation of information communication technology for connecting a vehicle with everything. V2X communication includes communication between a vehicle and a vehicle (V2V), communication between a vehicle and a roadside infrastructure (V2I), communication between a vehicle and a pedestrian (V2P), communication between a vehicle and a network (V2N), and the like, which are collectively referred to as V2X (X stands for anything) communication.
In the V2X communication, any two devices performing V2X communication perform direct communication based on a PC5 port, where a PC5 port is an interface between terminal devices, such as V2X devices. Based on the PC5 port, the terminal device can send an upload V2X message. However, there is no complete routing technology and Mesh networking is not supported.
Currently, many terminal devices support multiple operation modes, and have a separate processing unit, a separate radio frequency path, and an antenna for each operation mode. For example, a terminal device supports 4G mode, 5G mode and V2X mode, the chip of the terminal device contains multimode processing units such as 5G cat (modem), 4G modem and V2X modem, and the operation modes of the terminal device include 5G client mode, 4G client mode and V2X mode. Each working mode of the multimode terminal has an independent radio frequency channel, and the antenna is also realized in an independent configuration mode.
For a multi-mode terminal, when the respective frequencies of two working modes are close, a radio frequency access sharing mechanism does not exist, and radio frequency hardware of terminal equipment is not fully utilized. Although the 5G and Mesh frequency resources may be shared in a time division multiplexing or frequency division multiplexing manner, the multiplexing of the radio frequency path is not defined according to the operating mode of the terminal device, mainly on the allocation and collision detection of the air interface resources on the network side.
In the V2X mode, currently, the port PC5 mainly defines a bearer technology, and the port PC5 is mainly used for communication between entities such as V2I, V2P, and V2V, and is mainly used for sending vehicle-related information, such as Basic Safety Message (BSM). The functions of transmitting and receiving Mesh data and routing are not defined, and the functions of transmitting and receiving Mesh nodes and routing are not refreshed according to the change of networking nodes. That is, local processing or relay forwarding according to the attribute of the packet is not defined, so that the mesh networking function is not supported. The attribute of the message is used for indicating that the message is a local message or a relay message passing through the path.
Since the functions of relaying and mesh networking are not defined. Therefore, under the condition of networking of a plurality of terminal devices, the Mesh networking function cannot be enabled according to the V2X air interface, and data paths and routing functions for receiving and forwarding service data based on the Mesh networking are not provided. When some terminal devices fail, the function of route convergence in mesh networking cannot be realized. When some terminal devices are added, the routing update function in mesh networking cannot be realized. That is to say, based on the physical layer technology of V2X, since there is no definition of receiving and transmitting corresponding air interface resources by using Mesh node data, it is impossible to complete the topology and routing function of the Mesh networking according to the air interface resources, the local data of the Mesh node, and the relay data.
The embodiment of the application aims to jointly consider all working modes of the multi-mode terminal and realize the self-adaptive configuration and sharing of radio frequency paths of various working modes according to the working modes. Meanwhile, on the basis of defining a V2X technology for vehicle networking, resources of an air interface are defined for relaying and receiving and transmitting Mesh data, and a Mesh routing information updating and routing algorithm is added on the basis of a Mesh receiving and transmitting function, so that a Mesh networking function is realized.
The radio frequency access sharing method provided by the embodiment of the application is applied to a first multimode terminal, the first multimode terminal supports at least two working modes and is provided with at least two radio frequency accesses, and the working modes correspond to the radio frequency accesses one to one. For example, the at least two working modes are a 5G CPE mode and a Mesh mode, respectively, and the Mesh mode is obtained by modifying the 5G CPE mode, for example; for another example, the at least two operating modes are a 4G CPE mode and a Mesh mode, and the Mesh mode is obtained by modifying an LTE V2X mode, for example. In the following, at least two operation modes, i.e. the 5G CPE mode and the Mesh mode, are taken as an example for explanation.
Fig. 1 is a logic diagram of a multimode terminal to which the radio frequency path sharing method according to the embodiment of the present application is applied. Referring to fig. 1, the multimode terminal includes an application processing unit, a configuration and control module, and a path control and switching module.
The Application processing unit is, for example, an Application Processor (AP) or the like, configures the activation state of each operation mode through the configuration and control module, and the path control and exchange module controls the sharing of the radio frequency path.
A first radio frequency path and a second radio frequency path. The first radio frequency path corresponds to a 5G CPE mode, and the second radio frequency path corresponds to a Mesh mode. The first radio frequency path comprises a 5G baseband processing module, a radio frequency chip, a transceiver module, a radio frequency front end and an antenna. The transceiver module comprises two transceiver units, and each transceiver unit comprises a Power Amplifier (PA) and a Low Noise Amplifier (LNA). The two-path transceiver unit receives and transmits 5G service data in a double-Receiver-double-Transmitter (2R 2Transmitter, 2R2T) mode.
The second radio frequency path comprises a Mesh baseband processing module, a radio frequency chip, a transceiver module, a radio frequency front end and an antenna. For a description of the transceiver module, reference is made to the related description in the first rf path, which is not repeated herein.
Next, on the basis of fig. 1, a radio frequency path sharing method according to an embodiment of the present application is described in detail. For example, referring to fig. 2, fig. 2 is a flowchart of a radio frequency path sharing method according to an embodiment of the present application. The embodiment comprises the following steps:
201. determining a current working mode of the first multimode terminal, wherein the current working mode is an active working mode in the at least two working modes.
The multimode terminal can activate and reside in different working modes through configuration and network access conditions. Taking the first working mode as the 5G CPE mode and the second working mode as the Mesh mode as an example, in the 5G network, the multimode terminal can work in the first working mode, access and reside in the 5G network to send the V2X service data, and the like. Without the 5G network, the multimode terminal can work in the second working mode, and data can be transmitted and received among the mesh nodes. Or, in the 5G network, the first working mode and the second working mode are both activated, and the multimode terminal operates in both working modes at the same time.
202. And when the current working mode is any one of the at least two working modes, using the at least two radio frequency channels for communication on air interface wireless resources.
After the multimode terminal determines the current working mode, corresponding radio frequency access, air interface wireless resources, data transmission access and routing mode are configured aiming at the current working mode.
When the current working mode is the first working mode, namely the 5G CPE mode, the 5G baseband processing module processes baseband signals according to the 5G CPE mode, and the 5G CPE mode is configured to share the first radio frequency path and the second radio frequency path independently, so that the sending and receiving performances are improved. Referring to fig. 1, the rf path is configured as 4T4R or 2T 2R. The 5G CPE mode solely shares the air interface wireless resource, and the data forwarding and routing are realized according to a 5G single-path mode.
When the current working mode is the second working mode, namely the Mesh mode, the Mesh baseband processing module processes baseband signals according to the Mesh mode, and the Mesh mode is configured to share the first radio frequency access and the second radio frequency access independently, so that the sending and receiving performance is improved. Referring to fig. 1, the rf path is configured as 4T4R or 2T 2R. The Mesh mode exclusively shares air interface wireless resources, and data forwarding and routing are realized according to a Mesh single-channel mode.
Taking the first working mode as a 5G CEP mode and the second working mode as a Mesh mode as an example, when the first multimode terminal is configured as a single-mode working mode, all radio frequency channels can be configured and used to realize sharing of a radio frequency hardware channel, thereby improving the performance of transmission and reception.
When the current working mode is a first working mode and a second working mode, namely the Mesh mode and the 5G CPE mode are both activated, the 5G baseband processing module processes baseband signals according to the 5G mode, the Mesh baseband processing module processes the baseband signals according to the Mesh mode, the 5G CPE mode receives and transmits service data through a first radio frequency access, and the Mesh mode receives and transmits the service data through a second radio frequency access. Referring to fig. 1, the first rf path is configured as 2T 2R. The Mesh mode exclusively shares the air interface wireless resource, and the second radio frequency path is configured to be 2T 2R. And configuring air interface wireless resources for the 5G CPE mode and the Mesh mode in a frequency division multiplexing or time division multiplexing mode.
The radio frequency access sharing method provided by the embodiment of the application is applied to a multimode terminal supporting at least two working modes, and the working modes correspond to the radio frequency accesses one to one. And after the first multimode terminal determines the working mode in an activated state in at least two working modes, namely after the current working mode, if the current working mode is any one of the at least two working modes, the first multimode terminal uses the at least two radio frequency channels for communication on the air interface wireless resources. By adopting the scheme, the first multimode terminal adaptively configures the shared radio frequency channel according to the current working mode, and when the first multimode terminal supporting multiple working modes only works in one working mode, the first multimode terminal only shares all the radio frequency channels, so that the utilization rate of radio frequency hardware is realized, and the transmission efficiency of service data is improved.
In the foregoing embodiment, the first multimode terminal device configures, according to the current working mode, a corresponding radio frequency path, an air interface radio resource, a data transmission path, and a routing manner. When the Mesh mode is obtained by modifying an NR V2X mode, on the basis of a chip supporting NR V2X, the air interface wireless resource configuration of a V2X chip and the Mesh routing function are added to support Mesh networking, so that the Mesh supporting function is added on a 5G NR SoC chip platform, and the 5G single-mode terminal function and the Mesh equipment function are supported.
The embodiment shown in fig. 2 is described above for describing how the rf path is configured. Next, how to configure air interface radio resources, data transmission paths, and routing manners for the current operating mode will be described in detail.
First, the configuration of air interface radio resources.
And the first multimode terminal configures air interface wireless resources aiming at the current working mode according to the current working mode and the frequency resources which can be obtained.
And when the first multimode terminal works in the 5G CPE mode, configuring all air interface wireless resources to the 5G CPE mode. For example, there are 20M frequency resources in total, where 10M is used for the first multimode terminal, and the first multimode terminal configures a 5G CPE mode to monopolize 10M bandwidth.
And when the first multimode terminal works in the Mesh mode, all air interface wireless resources are configured to the Mesh mode. For example, there are 20M frequency resources in total, where 10M is used for the first multimode terminal, and the first multimode terminal configures the Mesh mode to monopolize the 10M bandwidth.
The first multimode terminal operates only in a 5G CPE mode or a Mesh mode, also referred to as the first multimode terminal operating in a single mode.
When the first multimode terminal works in a dual-mode, that is, when the current working mode includes a first working mode and a second working mode of the at least two working modes, the first multimode terminal determines a first sub-resource and a second sub-resource from the air interface wireless resource, and the first sub-resource and the second sub-resource are subjected to time division multiplexing or frequency division multiplexing. Then, the first multimode terminal uses the first radio frequency channel of the first working mode to communicate on the first sub-resource; communicating on the second sub-resource using a second radio frequency path of the second operating mode, the first radio frequency path and the second radio frequency path being included in the at least two radio frequency paths.
Taking the first operating mode as the 5G CPE mode and the second operating mode as the Mesh mode as an example, when both the 5G CPE mode and the Mesh mode are activated, to avoid interference of an air interface wireless signal, an air interface frame structure configured in the 5G V2X mode is the same as a frame structure of the Mesh mode, and frequency resources adopt a frequency division multiplexing mode.
Fig. 3 is a schematic diagram of frequency resource frequency division multiplexing in a radio frequency path sharing method according to an embodiment of the present application. Referring to fig. 3, it is assumed that there is 10M frequency resource, and the 10M frequency resource is divided into two parts, namely a first sub-resource and a second sub-resource, where the first sub-resource includes 5M frequency resource, as shown by the filled part of the horizontal line in the figure. The second sub-resource comprises 5M frequency resources, as indicated by the filled part of the vertical lines in the figure. The first sub-resource and the second sub-resource are frequency division multiplexed.
It should be noted that the embodiment shown in fig. 3 is explained by taking a frequency division multiplexing mode as an example of air interface radio resources in multiple operating modes. However, the embodiment of the present application is not limited to this, and in other feasible implementations, the air interface radio resources may be staggered in a time division multiplexing manner.
By adopting the scheme, when the current working mode comprises two modes, the air interface wireless resources are staggered in a frequency division multiplexing or time division multiplexing mode, and the air interface wireless signal interference is avoided.
In the above embodiment, when the current operating mode is a first operating mode and a second operating mode of the at least two operating modes, and the first multimode terminal determines the first sub-resource and the second sub-resource from the air interface radio resource, the first traffic of the first operating mode and the second traffic of the second operating mode are determined. Then, the first multimode terminal determines the first sub-resource and the second sub-resource from the air interface wireless resource according to the first traffic and the second traffic.
Illustratively, continuing to take the example that the first operating mode is the 5G CPE mode and the second operating mode is the Mesh mode, the first multimode terminal semi-statically or dynamically adjusts the first sub-resource and the second sub-resource according to the first traffic of the 5G CPE mode and the second traffic of the Mesh mode.
Fig. 4 is a schematic diagram illustrating adjusting frequency resources according to traffic in a radio frequency path sharing method according to an embodiment of the present application. Referring to fig. 4, the first multimode terminal may flexibly adjust a weight of the first sub-resource allocated to the 5G CPE mode and a weight of the second sub-resource allocated to the Mesh mode according to the traffic.
By adopting the scheme, when the current working mode comprises two modes, the first multimode terminal adjusts the air interface wireless resources of each mode according to the respective traffic of the two modes, and improves the utilization rate of the air interface wireless resources.
In the foregoing embodiment, when the at least two working modes include a Mesh mode and the Mesh mode is in an active state, the first multimode terminal determines, from the air interface wireless resources, a third sub-resource used for the Mesh mode, where the third sub-resource includes a local resource and a relay resource, the local resource is used to transmit service data of the first multimode terminal, and the relay resource is used to forward service data of other multimode terminals except the first multimode terminal. And then, the first multimode terminal and at least one second multimode terminal time division multiplex the third sub-resource.
Illustratively, when the first multimode terminal operates in a single mode and the single mode is a Mesh mode, the third sub-resource is an air interface wireless resource which is all available to the first multimode terminal because the Mesh mode monopolizes the air interface wireless resource; or, when the first multimode terminal operates in the multimode mode and the current operating mode includes the Mesh in the active state, because the first multimode terminal uses part of the resources, the third sub-resource is a subset of all available air interface wireless resources of the first multimode terminal. After determining the third sub-resource for the Mesh mode, the first multimode terminal device time-division multiplexes the third sub-resource with other multimode terminal devices in the Mesh network, which are hereinafter referred to as second multimode terminal devices. When a plurality of multimode terminals in the networking, that is, the first multimode terminal and the second multimode terminal, both activate the Mesh mode, the multimode terminals may also be understood as a plurality of Mesh nodes, and the Mesh nodes time-division multiplex and/or frequency-division multiplex the third sub-resource.
Fig. 5 is a schematic diagram of a plurality of mesh nodes time division multiplexing and frequency division multiplexing air interface wireless resources in the radio frequency path sharing method provided in the embodiment of the present application. Referring to fig. 5, the plurality of Mesh nodes include a Mesh node 1, a Mesh node 2, a Mesh node 3, and a Mesh node 4. And the Mesh nodes share the third sub-resource in a time division multiplexing mode. The grid filling is local resources, and the oblique line filling is relay resources.
Referring to fig. 5, the first to fourth represent a Mesh node 1, a Mesh node 2, a Mesh node 3, and a Mesh node 4, respectively, and resources filled by squares and slashes in the drawing are third sub-resources. The third sub-resources Mesh node 1, Mesh node 2, Mesh node 3 and Mesh node 4 are frequency division multiplexed and time division multiplexed.
By adopting the scheme, the Mesh data of the air interface can be received and transmitted among a plurality of multimode terminal devices based on the physical layer, the position of the relay node, the local service data and the relay service data, and the time division or frequency division multiplexing air interface wireless resource.
In the foregoing embodiment, when the current working mode at least includes the Mesh mode, the processing module is further configured to remove resources corresponding to a beacon channel and a control channel from a third sub-resource after determining the third sub-resource used for the Mesh mode from the air interface wireless resource, so as to obtain a remaining resource; and determining the local resources and the relay resources from the residual resources.
Illustratively, for a Frequency Division Duplex (FDD) system, the third sub-resource includes 10 time slots, a 0 th time slot of the 10 time slots is used for transmitting a system message, and 1 st to 9 th time slots of the 10 time slots are configured as the local resource and the relay resource.
Referring to fig. 5, the 0 th time slot is used as a sending time slot corresponding to the system message for sending the system message. The 1 st time slot to the 9 th time slot can be configured as local resources or relay resources of the multimode terminal equipment. In the time domain, the configuration period of the air interface radio resource may be N × 10 milliseconds (ms), and a value of N is, for example, 1, 2, 4, 8, 16, 32, and the like. In the frequency domain, the frequency domain resources are frequency resources available to the first multimode terminal. The first multimode terminal can configure a local resource for transmitting the local service data and a relay resource for transmitting the relay service data in a Semi-Persistent Scheduling (SPS) manner.
Second, data transmission path and routing.
In the above embodiment, when the current working mode at least includes the mesh mode, the first multimode terminal determines the IP address of the first multimode terminal; and acquiring a routing table of the mesh networking, wherein the routing table comprises the IP address.
Illustratively, the first multimode terminal refreshes a data path and a routing mode of the first multimode terminal according to the current working mode. When the first multimode terminal is in a single mode and works in a mesh mode; or, when the first multimode terminal is in a dual-mode and the current working mode includes a Mesh mode, an IP address is allocated to the first multimode terminal by using a Domain Name Server (DNS). Or, the first multimode terminal may also obtain an IP address by learning other multimode terminals around the first multimode terminal, and use the IP address as an IP parameter of the Mesh route. And then, the first multimode terminal acquires a routing table of the Mesh network, wherein the routing table comprises the IP address of the first multimode terminal. The routing domain of the Mesh network can be divided into a local routing domain and a neighbor routing domain, and the neighbor routing domain carries out routing negotiation exchange among all multimode terminals. And the first multimode terminal dynamically acquires a routing table of the Mesh ad hoc network, and updates the routing table through a routing convergence function after certain multimode terminal equipment fails. When the terminal equipment is newly added, the routing table is automatically updated.
By adopting the scheme, when the current working mode comprises a Mesh mode, the IP address is added to the first multimode terminal, and a routing table is learned and generated, so that Mesh routing information updating and routing algorithms are added on the basis of the Mesh transceiving function, and the Mesh networking function is realized.
In the above embodiment, when the current working mode includes a Mesh mode and a 5G client mode, the service data is received through the radio frequency path corresponding to the 5G client, and when the service data is not the service data of the first multimode terminal, the service data is sent through the radio frequency path corresponding to the Mesh mode.
Referring to fig. 1, when the first multimode terminal is in a dual-mode working state, the first multimode terminal receives a service in the public network through a radio frequency path corresponding to the 5G CPE mode, where the service data is, for example, unicast data or multicast data. Then, the application processing unit of the first multimode terminal judges whether the service data is the service data of the first multimode terminal. And if the service data is the service data of the first multimode terminal, processing. And if the service data is not the service data of the first multimode terminal, determining the next hop according to the routing table of the Mesh mode, and sending the next hop through a radio frequency channel corresponding to the Mesh mode. In the process, when the application processing unit processes the data transmission path, a relay route needs to be added between the 5G CPE mode and the Mesh mode. The process of adding a relay route between the 5G CPE mode and the Mesh mode is also referred to as adding a relay route between the 5G data and the Mesh device node.
By adopting the scheme, on the basis of supporting the data transmission and routing mechanism of the MESH node networking, when the 5G CPE mode and the MESH mode are both active, the relay route is correspondingly added between the 5G CPE mode and the MESH mode, thereby realizing the multi-link relay function of the 5G and MESH node networking.
The following are embodiments of the apparatus of the present invention that may be used to perform embodiments of the method of the present invention. For details which are not disclosed in the embodiments of the apparatus of the present invention, reference is made to the embodiments of the method of the present invention.
Fig. 6 is a schematic structural diagram of an rf path sharing device according to an embodiment of the present disclosure. The rf path sharing apparatus 600 may be implemented by software and/or hardware. As shown in fig. 6, the rf path sharing apparatus 600 includes: a processing module 61 and a transceiver module 62.
A processing module 61, configured to determine a current working mode of a first multimode terminal, where the current working mode is an active working mode of the at least two working modes, and the first multimode terminal supports the at least two working modes and has at least two radio frequency paths, and the working modes and the radio frequency paths are in one-to-one correspondence;
a transceiver module 62, configured to use the at least two radio frequency channels for communication on air interface radio resources when the current operating mode is any one of the at least two operating modes.
In a feasible implementation manner, the processing module 61 is further configured to determine, when the current operating mode includes a first operating mode and a second operating mode of the at least two operating modes, a first sub-resource and a second sub-resource from the air interface radio resource, where the first sub-resource and the second sub-resource are time division multiplexed or frequency division multiplexed;
the transceiver module 62 is configured to communicate on the first sub-resource using the first radio frequency path of the first operating mode; communicating on the second sub-resource using a second radio frequency path of the second operating mode, the first radio frequency path and the second radio frequency path being included in the at least two radio frequency paths.
In a feasible implementation manner, when the current operating mode is a first operating mode and a second operating mode of the at least two operating modes, and the processing module 61 determines a first sub-resource and a second sub-resource from the air interface wireless resource, it is configured to determine a first traffic volume of the first operating mode and a second traffic volume of the second operating mode; and determining the first sub-resource and the second sub-resource from the air interface wireless resource according to the first service volume and the second service volume.
In a possible implementation manner, the transceiver module 62 is configured to receive service data through a radio frequency path corresponding to the 5G client when the current working mode includes a Mesh mode and a 5G client mode; and when the service data is not the service data of the first multimode terminal, transmitting the service data through a radio frequency channel corresponding to the Mesh mode.
In a possible implementation manner, when the current working mode at least includes a Mesh mode, the processing module 61 is configured to determine an IP address of the first multimode terminal, and obtain a routing table of a Mesh networking, where the routing table includes the IP address.
In a feasible implementation manner, when the current working mode at least includes a Mesh mode, the processing module 61 is configured to determine a third sub-resource used for the Mesh mode from the air interface wireless resource, where the third sub-resource includes a local resource and a relay resource, the local resource is used to transmit service data of the first multimode terminal, and the relay resource is used to forward service data of other multimode terminals except the first multimode terminal; time-division multiplexing and/or frequency-division multiplexing the third sub-resource with at least one second multimode terminal.
In a feasible implementation manner, when the current working mode at least includes the Mesh mode, the processing module 61 is further configured to remove resources corresponding to the beacon channel and the control channel from the third sub-resource after determining, from the air interface wireless resource, the third sub-resource used for the Mesh mode, so as to obtain a remaining resource; and determining the local resources and the relay resources from the residual resources.
The radio frequency access sharing device provided in the embodiment of the present application may perform the action of the first multimode terminal in the above embodiments, and the implementation principle and the technical effect are similar, and are not described herein again.
Fig. 7 is a schematic structural diagram of a multimode terminal according to an embodiment of the present application. As shown in fig. 7, the multimode terminal 700 includes:
a processor 71 and a memory 72;
the memory 72 stores computer-executable instructions;
the processor 71 executes the computer-executable instructions stored by the memory 72, so that the processor 71 performs the radio frequency path sharing method as performed by the first multimode terminal.
For a specific implementation process of the processor 71, reference may be made to the above method embodiments, which implement similar principles and technical effects, and details of this embodiment are not described herein again.
Optionally, the multimode terminal 700 further comprises a communication component 73. Wherein the processor 71, the memory 72 and the communication means 73 may be connected by a bus 74.
An embodiment of the present application further provides a readable storage medium, in which a computer executed instruction is stored, and the computer executed instruction, when executed by a processor, is configured to implement the radio frequency path sharing method performed by the first multimode terminal as described above.
The embodiment of the present application further provides a computer program product, which, when the computer program runs on the multimode terminal, enables the multimode terminal to execute the above radio frequency channel sharing method.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (16)

1. A radio frequency channel sharing method is applied to a first multimode terminal, the first multimode terminal supports at least two working modes and is provided with at least two radio frequency channels, and the working modes and the radio frequency channels are in one-to-one correspondence, and the method comprises the following steps:
determining a current working mode of the first multimode terminal, wherein the current working mode is a working mode in an activated state in the at least two working modes;
and when the current working mode is any one of the at least two working modes, using the at least two radio frequency channels for communication on air interface wireless resources.
2. The method of claim 1, further comprising:
when the current working mode comprises a first working mode and a second working mode of the at least two working modes, determining a first sub-resource and a second sub-resource from the air interface wireless resource, wherein the first sub-resource and the second sub-resource are subjected to time division multiplexing or frequency division multiplexing;
communicating on the first sub-resource using a first radio frequency path of the first mode of operation;
communicating on the second sub-resource using a second radio frequency path of the second operating mode, the first radio frequency path and the second radio frequency path being included in the at least two radio frequency paths.
3. The method according to claim 2, wherein when the current operating mode is a first operating mode and a second operating mode of the at least two operating modes, determining a first sub-resource and a second sub-resource from the air interface radio resources comprises:
determining a first traffic volume of the first operating mode and a second traffic volume of a second operating mode;
and determining the first sub-resource and the second sub-resource from the air interface wireless resource according to the first service volume and the second service volume.
4. The method of claim 2 or 3, further comprising:
when the current working mode comprises a Mesh mode and a 5G client mode, receiving service data through a radio frequency channel corresponding to the 5G client;
and when the service data is not the service data of the first multimode terminal, transmitting the service data through a radio frequency channel corresponding to the Mesh mode.
5. The method according to any one of claims 1-3, further comprising:
when the current working mode at least comprises a Mesh mode, determining the IP address of the first multimode terminal;
and acquiring a routing table of the Mesh networking, wherein the routing table comprises the IP address.
6. The method according to any one of claims 1-3, further comprising:
when the current working mode at least comprises a Mesh mode, determining a third sub-resource used for the Mesh mode from the air interface wireless resource, wherein the third sub-resource comprises a local resource and a relay resource, the local resource is used for transmitting the service data of the first multimode terminal, and the relay resource is used for forwarding the service data of other multimode terminals except the first multimode terminal;
time-division multiplexing and/or frequency-division multiplexing the third sub-resource with at least one second multimode terminal.
7. The method according to claim 6, wherein after determining a third sub-resource for Mesh mode from the air interface radio resources when the current operating mode at least includes Mesh mode, the method further comprises:
removing resources corresponding to the beacon channel and the control channel from the third sub-resources to obtain residual resources;
and determining the local resources and the relay resources from the residual resources.
8. A radio frequency path sharing apparatus, comprising:
a processing module, configured to determine a current working mode of a first multimode terminal, where the current working mode is an active working mode of at least two working modes, and the first multimode terminal supports the at least two working modes and has at least two radio frequency paths, and the working modes and the radio frequency paths are in one-to-one correspondence;
and a transceiver module, configured to use the at least two radio frequency channels for communication on an air interface radio resource when the current operating mode is any one of the at least two operating modes.
9. The apparatus of claim 8,
the processing module is further configured to determine, when the current working mode includes a first working mode and a second working mode of the at least two working modes, a first sub-resource and a second sub-resource from the air interface radio resource, where the first sub-resource and the second sub-resource are time division multiplexed or frequency division multiplexed;
the transceiver module is configured to communicate on the first sub-resource using a first radio frequency channel of the first operating mode; communicating on the second sub-resource using a second radio frequency path of the second operating mode, the first radio frequency path and the second radio frequency path being included in the at least two radio frequency paths.
10. The apparatus of claim 9,
when the current working mode is a first working mode and a second working mode of the at least two working modes, the processing module is configured to determine a first traffic volume of the first working mode and a second traffic volume of the second working mode when determining a first sub-resource and a second sub-resource from the air interface wireless resource; and determining the first sub-resource and the second sub-resource from the air interface wireless resource according to the first service volume and the second service volume.
11. The apparatus of claim 9 or 10,
the transceiver module is configured to receive service data through a radio frequency path corresponding to the 5G client when the current working mode includes a Mesh mode and a 5G client mode; and when the service data is not the service data of the first multimode terminal, transmitting the service data through a radio frequency channel corresponding to the Mesh mode.
12. The apparatus according to any one of claims 8 to 10,
and the processing module is used for determining the IP address of the first multimode terminal and acquiring a routing table of the Mesh networking when the current working mode at least comprises a Mesh mode, wherein the routing table comprises the IP address.
13. The apparatus according to any one of claims 8 to 10,
the processing module is configured to determine, when the current working mode at least includes a Mesh mode, a third sub-resource used for the Mesh mode from the air interface wireless resource, where the third sub-resource includes a local resource and a relay resource, the local resource is used to transmit service data of the first multimode terminal, and the relay resource is used to forward service data of other multimode terminals except the first multimode terminal; time-division multiplexing and/or frequency-division multiplexing the third sub-resource with at least one second multimode terminal.
14. The apparatus according to claim 13, wherein when the current operating mode at least includes a Mesh mode, the processing module is further configured to, after determining a third sub-resource used for the Mesh mode from the air interface radio resources, remove resources corresponding to a beacon channel and a control channel from the third sub-resource, and obtain a remaining resource; and determining the local resources and the relay resources from the residual resources.
15. Multimode terminal, characterized in that it comprises a processor, a memory and a computer program stored on said memory and executable on said processor, characterized in that said processor, when executing said program, causes said multimode terminal to implement the method according to any one of claims 1 to 7.
16. A readable storage medium having stored therein instructions, which when run on a multimode terminal, cause the multimode terminal to perform the method according to any one of claims 1-7.
CN202011628968.0A 2020-12-30 2020-12-30 Radio frequency channel sharing method and device, electronic equipment and readable storage medium Pending CN114697972A (en)

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Application publication date: 20220701