CN115529648A - Relay node access method, device, electronic equipment and storage medium - Google Patents
Relay node access method, device, electronic equipment and storage medium Download PDFInfo
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- CN115529648A CN115529648A CN202211328209.1A CN202211328209A CN115529648A CN 115529648 A CN115529648 A CN 115529648A CN 202211328209 A CN202211328209 A CN 202211328209A CN 115529648 A CN115529648 A CN 115529648A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/32—Connectivity information management, e.g. connectivity discovery or connectivity update for defining a routing cluster membership
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The disclosure provides a relay node access method, a relay node access device, electronic equipment and a computer readable storage medium, and relates to the technical field of mobile communication terminals and networks. The method comprises the following steps: the method comprises the steps of obtaining relay signal strength when a relay node is communicated with an information source terminal, obtaining far-end signal strength when a far-end terminal is communicated with the information source terminal, obtaining a signal strength difference value between the relay node and the far-end terminal according to the relay signal strength and the far-end signal strength, selecting the relay node with the largest signal strength difference value as a target relay node according to the signal strength difference value, judging whether the signal strength difference value of the target relay node exceeds a threshold, and if yes, carrying out relay transmission through the target relay node. The embodiment of the disclosure can ensure that the total terminal power consumption of the system is optimal, and the indoor coverage is achieved by utilizing the resources of the low frequency band.
Description
Technical Field
The present disclosure relates to the field of mobile communication terminals and network technologies, and in particular, to a relay node access method, an apparatus, an electronic device, and a computer-readable storage medium.
Background
Along with the continuous promotion of user's demand to mobile broadband data, mobile network more and more needs carry out capacity promotion through the big bandwidth of high frequency channel, the problem that covers from this and forms the bottleneck in indoor formation easily, and traditional honeycomb room divides the system to have the construction cost height, cycle length, construction difficulty scheduling problem. In a hybrid networking mode in which terminals are cascaded through WiFi and cellular wireless technologies, the total terminal power of the system may be lost.
It is noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure and therefore may include information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The present disclosure provides a relay node access method, apparatus, electronic device and computer readable storage medium, which at least to some extent overcome the problem of poor power consumption of a terminal of a system in the related art.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows, or in part will be obvious from the description, or may be learned by practice of the disclosure.
According to an aspect of the present disclosure, there is provided a relay node access method, including:
acquiring signal strength difference values between one or more relay nodes and a remote terminal;
selecting a target relay node according to the signal strength difference, wherein the signal strength difference of the target relay node is the largest;
judging whether the signal strength difference value of the target relay node exceeds a threshold or not;
and if so, carrying out relay transmission through the target relay node.
In an embodiment of the present disclosure, the selecting a target relay node according to the signal strength difference includes:
generating an alternative relay set according to the signal strength difference value corresponding to the relay node;
and selecting the target relay node from the alternative relay set.
In an embodiment of the present disclosure, the generating an alternative relay set according to the signal strength difference corresponding to the relay node includes:
and generating the alternative relay set according to the signal strength difference value based on a relay service discovery process.
In one embodiment of the present disclosure, the obtaining a signal strength difference between one or more relay nodes and a remote terminal includes:
acquiring the relay signal strength when the relay node is communicated with the information source terminal;
acquiring the far-end signal strength when the far-end terminal is communicated with the information source terminal;
and obtaining a signal strength difference value between the relay node and the remote terminal according to the relay signal strength and the remote signal strength.
In one embodiment of the present disclosure, further comprising:
and setting the threshold according to the far-end signal strength.
In one embodiment of the present disclosure, the signal strength difference corresponding to the relay nodes in the alternative relay set is greater than the far-end signal strength.
In an embodiment of the present disclosure, when the signal strength difference of the target relay node does not exceed the threshold, no relay transmission is performed.
According to another aspect of the present disclosure, there is also provided a relay node access apparatus, including:
the intensity difference value acquisition module is used for acquiring signal intensity difference values between one or more relay nodes and the remote terminal;
the target relay selection module is used for selecting a target relay node according to the signal strength difference, wherein the signal strength difference of the target relay node is the largest;
the target relay judgment module is used for judging whether the signal strength difference value of the target relay node exceeds a threshold or not;
and the target relay access module is used for carrying out relay transmission through the target relay node when the signal strength difference value of the target relay node exceeds a threshold.
According to another aspect of the present disclosure, there is also provided an electronic device including: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to perform any one of the relay node access methods described above via execution of the executable instructions.
According to another aspect of the present disclosure, there is also provided a computer-readable storage medium, on which a computer program is stored, which when executed by a processor, implements the relay node access method of any one of the above.
The relay node access method, the relay node access device, the electronic device and the computer-readable storage medium provided by the embodiments of the present disclosure obtain a relay signal strength when a relay node communicates with an information source terminal, obtain a far-end signal strength when a far-end terminal communicates with the information source terminal, obtain a signal strength difference between the relay node and the far-end terminal according to the relay signal strength and the far-end signal strength, select a relay node with the largest signal strength difference as a target relay node according to the signal strength difference, determine whether the signal strength difference of the target relay node exceeds a threshold, if so, perform relay transmission through the target relay node, ensure that a total terminal power consumption of a system is optimal, and achieve indoor coverage by using low-frequency resources.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
Fig. 1 shows a flow chart of a relay node access method in an embodiment of the present disclosure;
fig. 2 shows a flowchart of a method for obtaining a signal strength difference between a relay node and a remote terminal in an embodiment of the present disclosure;
fig. 3 shows a flowchart of a relay node access method in an embodiment of the present disclosure;
fig. 4 is a flowchart illustrating a relay node access method according to another embodiment of the disclosure;
fig. 5 shows a schematic flow chart of relay node selection in an embodiment of the present disclosure;
fig. 6 shows a schematic diagram of a relay node access apparatus in an embodiment of the present disclosure; and
fig. 7 shows a block diagram of an electronic device in an embodiment of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
For ease of understanding, the following first explains several terms to which the disclosure relates:
a PRAN (near Radio Access Network) architecture is a structure that uses an intelligent terminal as a relay node for transmission and further extends a base station cellular structure from a base station to the intelligent terminal through a D2D communication technology.
D2D (Device-to-Device) communication is a close range data direct transmission technology based on cellular systems.
WIFI (WIreless-FIdelity) is a technology that can wirelessly connect terminals such as personal computers and handheld devices to each other.
The present exemplary embodiment will be described in detail below with reference to the drawings and examples.
First, an embodiment of the present disclosure provides a relay node access method, which may be executed by any electronic device with computing processing capability.
Fig. 1 shows a flowchart of a relay node access method in an embodiment of the present disclosure, and as shown in fig. 1, the relay node access method provided in the embodiment of the present disclosure includes the following steps:
s102, obtaining signal strength difference values between one or more relay nodes and a remote terminal.
It should be noted that, the signal strength difference between one or more relay nodes and the remote terminal is obtained through the relay signal strength when the relay node communicates with the information source terminal and the remote signal strength when the remote terminal communicates with the information source terminal.
In one embodiment, the relay node, the remote terminal may be a smart terminal, which may be a variety of electronic devices including, but not limited to, a smart phone, a tablet computer, a laptop portable computer, a desktop computer, and the like.
And S104, selecting a target relay node according to the signal strength difference, wherein the signal strength difference of the target relay node is the largest.
In one embodiment, an alternative relay set is generated according to a signal intensity difference value corresponding to a relay node; and selecting a target relay node from the alternative relay set.
It should be noted that the alternative relay set includes one or more relay nodes, and the relay nodes are associated with the signal strength difference corresponding to the relay nodes, for example, the alternative relay set includes the relay node R _1, and the value of the relay node R _1 is the signal strength difference of the relay node R _ 1.
In one embodiment, the candidate relay set is generated based on a relay service discovery procedure according to the signal strength difference.
In one embodiment, the signal strength difference values corresponding to the relay nodes are compared one by one, and a target relay node is selected.
For example, a first signal strength difference corresponding to a first relay node is obtained, a second signal strength difference corresponding to a second relay node is obtained, the second signal strength difference is compared with the first signal strength difference to obtain a first relay node with a large signal strength difference, a third signal strength difference corresponding to a third relay node is obtained and compared with the first signal strength difference until a maximum signal strength difference is obtained, and a target relay node is determined.
In one embodiment, the signal strength difference corresponding to the relay node in the alternative relay set is greater than the far-end signal strength, so that normal transmission of data is ensured.
In one embodiment, the communication modes between the remote terminal, the relay node and the source terminal include, but are not limited to: cellular or WIFI, under a P-RAN architecture, a relay node may act as a relay over a cellular or WIFI frequency.
It should be noted that, in a PRAN (near Radio Access Network) architecture, an intelligent terminal is used as a relay node for transmission through a D2D communication technology, and a cellular structure of a base station is further extended from the base station to the intelligent terminal, and the PRAN can be used as a solution with high cost performance for a small coverage blind area.
It should be noted that D2D (Device-to-Device) communication is a short-range data direct transmission technology based on a cellular system, and data of a D2D session is directly transmitted between terminals without being forwarded through a base station.
In one embodiment, cellular communication means include, but are not limited to: 4G and 5G.
It should be noted that WIFI (WIreless-FIdelity) is a technology that can wirelessly connect terminals such as personal computers and handheld devices to each other.
And S106, judging whether the signal strength difference of the target relay node exceeds a threshold.
In one embodiment, the threshold is set according to the far-end signal strength, and the threshold corresponding to the far-end signal strength can be set according to user requirements or historical data, so that the system power consumption is optimal after the far-end terminal selects the target relay node.
And S108, if yes, carrying out relay transmission through the target relay node.
And S110, when the signal strength difference value of the target relay node does not exceed the threshold, not performing relay transmission.
In one embodiment, the signal strength difference between one or more relay nodes and the remote terminal is obtained, the relay nodes with the signal strength difference smaller than or equal to the threshold are screened out, and the relay node with the largest signal strength difference is selected as the target relay node.
In one embodiment, an alternative relay set is generated according to a signal strength difference value corresponding to a relay node; and selecting a target relay node from the alternative relay set, judging whether the signal strength difference of the target relay node exceeds a threshold, and if so, performing relay transmission through the target relay node.
In the above embodiment, according to the signal strength difference, the relay node with the largest signal strength difference is selected as the target relay node, whether the signal strength difference of the target relay node exceeds the threshold is determined, if yes, relay transmission is performed through the target relay node, the power consumption of the total terminal of the system can be ensured to be optimal, and indoor coverage can be achieved by using low-frequency resources.
Fig. 2 is a flowchart illustrating a method for obtaining a signal strength difference between a relay node and a remote terminal in an embodiment of the present disclosure, and as shown in fig. 2, the method for obtaining a signal strength difference between a relay node and a remote terminal in an embodiment of the present disclosure includes the following steps:
s202, acquiring the relay signal strength when the relay node is communicated with the information source terminal;
s204, obtaining the far-end signal intensity when the far-end terminal is communicated with the information source terminal;
and S206, obtaining a signal strength difference value between the relay node and the remote terminal according to the relay signal strength and the remote signal strength.
In the above embodiment, the signal strength difference between one or more relay nodes and the remote terminal can be efficiently obtained through the relay signal strength when the relay node communicates with the information source terminal and the remote signal strength when the remote terminal communicates with the information source terminal, so that the target relay node is selected according to the signal strength difference for relay transmission, and the optimal power consumption of the total terminal of the system can be ensured.
Fig. 3 shows a flowchart of another relay node access method in the embodiment of the present disclosure, and as shown in fig. 3, the relay node access method provided in the embodiment of the present disclosure includes the following steps:
s302, decomposing a relay node set into one or more relay nodes positioned at the same side of a base station as a remote terminal through a relay node screening judgment method;
s304, selecting a target relay node by comparing the transmission power of the remote terminal and the transmission power of the relay node, and ensuring that the relay selection has the maximum transmission power gain;
and S306, when the target relay node is larger than the threshold, accessing the target relay node, and realizing that the overall transmission of the system has gain in the aspect of energy efficiency.
In the above embodiment, the transmission power of the remote terminal and the transmission power of the relay node are compared, and the target relay node is selected, so that the relay selection is ensured to have the maximum transmission power gain, and when the target relay node is greater than the threshold, the target relay node is accessed, and the transmission mode with the optimal energy efficiency and the selection of the optimal relay are realized.
Fig. 4 shows a flowchart of a relay node access method in an embodiment of the present disclosure, and as shown in fig. 4, the relay node access method provided in the embodiment of the present disclosure includes the following steps:
s402, calculating signal strength difference S _ i0 between the remote terminal U _0 and the relay nodes R _ i.
In one embodiment, under a P-RAN architecture, the relay node may act as a relay over cellular or WiFi frequencies.
For convenience of explanation, the remote terminal is set to be U _0, and the downlink signal strength when the remote terminal communicates with the source terminal C is set to be S _0;
the alternative relay nodes are R _ i, and the downlink signal intensity when the alternative relay nodes are communicated with the information source terminal C is S _ i respectively;
the signal strength between the remote terminal U _0 and the alternative relay node R _ i, namely the signal strength difference between the remote terminal U _0 and the alternative relay node R _ i is S _ i0;
it should be noted that the signal strength difference S _ i0 is the signal strength obtained based on the mutual interpretation assumption of the uplink and downlink channels.
And S404, generating a group of alternative relay sets R = { R _1, R _2, R _n } aiming at the remote terminal U _0 based on signal strength difference values S _ i0 between the remote terminal U _0 and a plurality of relay nodes R _ i.
Wherein the number of the alternative relays in the set is n, and for each R _ i, i =1 \8230n, S _ i0 ≧ S _0 is satisfied.
In one embodiment, this process may be accomplished through a relay service discovery process.
S406, determine whether the remote terminal U _0 performs relay transmission and select a relay node from the candidate relay set R.
In an embodiment, fig. 5 shows a schematic flowchart of relay node selection in the embodiment of the present disclosure, and as shown in fig. 5, a method for determining whether a remote terminal U _0 performs relay transmission and selecting a relay node from an alternative relay set R includes:
calculating S _ i0= S _ i-S _0, i e (1 \8230n);
let S _ m0= max (S _10, \8230;, S _ n 0);
if the S _ m0 exceeds a given threshold R, judging that relay transmission is needed, and selecting a relay node R _ m as a relay node; otherwise, relay transmission is not performed.
In the above embodiment, a specific threshold γ is selected for the downlink signal strength when the remote terminal is in communication with the source terminal C as U _0, so that on the premise of improving the performance of doubling the rate of the remote terminal U _0 by using relay transmission, the total energy consumed is less than the energy consumed by the remote terminal U _0 when the same effect is achieved under the condition that the relay is not applicable, it is ensured that the total electric quantity of the terminals participating in the PRAN is profitable but not lossy, the optimal terminal electricity utilization of the system can be achieved, a convenient, controllable and manageable technical scheme is provided for indoor coverage of a mobile operator, the network construction cost is reduced, and a simple and safe manner for enjoying high-speed internet access and traffic sharing is provided for users.
Based on the same inventive concept, the embodiment of the present disclosure further provides a relay node access apparatus, such as the following embodiments. Because the principle of the embodiment of the apparatus for solving the problem is similar to that of the embodiment of the method, the embodiment of the apparatus can be implemented by referring to the implementation of the embodiment of the method, and repeated details are not described again.
Fig. 6 is a schematic diagram of a relay node access apparatus in an embodiment of the present disclosure, and as shown in fig. 6, the relay node access apparatus 6 includes: an intensity difference value obtaining module 601, a target relay selecting module 602, a target relay judging module 603 and a target relay accessing module 604;
a strength difference obtaining module 601, configured to obtain a signal strength difference between one or more relay nodes and a remote terminal;
a target relay selection module 602, configured to select a target relay node according to the signal strength difference, where the signal strength difference of the target relay node is the largest;
the target relay judgment module 603 judges whether the signal strength difference of the target relay node exceeds a threshold;
and 604, when the signal strength difference value of the target relay node exceeds a threshold, performing relay transmission through the target relay node.
In one embodiment, the relay node and the remote terminal can be intelligent terminals.
In one embodiment, the smart terminal may be a variety of electronic devices including, but not limited to, a smart phone, a tablet computer, a laptop portable computer, a desktop computer, and the like.
Optionally, the clients of the applications installed in different intelligent terminals are the same, or are based on clients of the same type of application of different operating systems. The specific form of the application client may also be different based on different terminal platforms, for example, the application client may be a mobile phone client, a PC client, or the like.
In one embodiment, the medium used by the network to provide the communication link between the intelligent terminal and the server may be a wired network or a wireless network.
Optionally, the wireless or wired networks described above use standard communication techniques and/or protocols. The Network is typically the Internet, but may be any Network including, but not limited to, a Local Area Network (LAN), a Metropolitan Area Network (MAN), a Wide Area Network (WAN), a mobile, wireline or wireless Network, a private Network, or any combination of virtual private networks.
In some embodiments, data exchanged over a network is represented using techniques and/or formats including Hypertext Mark-up Language (HTML), extensible markup Language (XML), and the like. All or some of the links may also be encrypted using conventional encryption techniques such as Secure Socket Layer (SSL), transport Layer Security (TLS), virtual Private Network (VPN), internet protocol Security (IPsec).
In other embodiments, custom and/or dedicated data communication techniques may also be used in place of, or in addition to, the data communication techniques described above.
The server may be a server that provides various services, such as a background management server that provides support for devices operated by users using the smart terminal. The background management server can analyze and process the received data such as the request and feed back the processing result to the terminal equipment.
Optionally, the server may be an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, or a cloud server providing basic cloud computing services such as a cloud service, a cloud database, cloud computing, a cloud function, cloud storage, a Network service, cloud communication, a middleware service, a domain name service, a security service, a CDN (Content Delivery Network), a big data and artificial intelligence platform, and the like.
The terminal may be, but is not limited to, a smart phone, a tablet computer, a notebook computer, a desktop computer, and the like. The terminal and the server may be directly or indirectly connected through wired or wireless communication, and the application is not limited herein.
Those skilled in the art will appreciate that the number of intelligent terminals, networks, and servers is merely illustrative and that there may be any number of intelligent terminals, networks, and servers, as desired. The embodiments of the present disclosure are not limited thereto.
In the above embodiment, according to the signal strength difference, the relay node with the largest signal strength difference is selected as the target relay node, whether the signal strength difference of the target relay node exceeds the threshold is determined, if yes, relay transmission is performed through the target relay node, the power consumption of the total terminal of the system can be ensured to be optimal, and indoor coverage can be achieved by using low-frequency resources.
As will be appreciated by one skilled in the art, aspects of the present disclosure may be embodied as a system, method or program product. Accordingly, various aspects of the present disclosure may be embodied in the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, microcode, etc.), or an embodiment combining hardware and software aspects that may all generally be referred to herein as a "circuit," module "or" system.
An electronic device 700 according to this embodiment of the disclosure is described below with reference to fig. 7. The electronic device 700 shown in fig. 7 is only an example and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 7, electronic device 700 is embodied in the form of a general purpose computing device. The components of the electronic device 700 may include, but are not limited to: the at least one processing unit 710, the at least one memory unit 720, and a bus 730 that couples various system components including the memory unit 720 and the processing unit 710.
Wherein the storage unit stores program code that can be executed by the processing unit 710 to cause the processing unit 710 to perform the steps according to various exemplary embodiments of the present disclosure described in the above section "exemplary method" of this specification.
For example, the processing unit 710 may perform the following steps of the above method embodiment: acquiring signal strength difference values between one or more relay nodes and a remote terminal; selecting a target relay node according to the signal strength difference, wherein the signal strength difference of the target relay node is the largest; judging whether the signal strength difference value of the target relay node exceeds a threshold or not; and if so, carrying out relay transmission through the target relay node.
For example, the processing unit 710 may perform the following steps of the above method embodiment: acquiring the relay signal strength when the relay node is communicated with the information source terminal; acquiring the far-end signal intensity when the far-end terminal is communicated with the information source terminal; and obtaining a signal strength difference value between the relay node and the remote terminal according to the relay signal strength and the remote signal strength.
For example, the processing unit 710 may perform the following steps of the above method embodiment: calculating signal strength difference S _ i0 between a remote terminal U _0 and a plurality of relay nodes R _ i; generating a group of alternative relay sets R = { R _1, R _2, R _n } for the remote terminal U _0 based on signal strength difference values S _ i0 between the remote terminal U _0 and a plurality of relay nodes R _ i; and judging whether the remote terminal U _0 carries out relay transmission or not and selecting a relay node from the alternative relay set R.
For example, the processing unit 710 may perform the following steps of the above method embodiment: decomposing the relay node set into one or more relay nodes positioned at the same side of the base station as the remote terminal by a relay node screening judgment method; selecting a target relay node by comparing the transmission power of the remote terminal and the transmission power of the relay node, and ensuring that the relay selection has the maximum transmission power gain; and when the target relay node is larger than the threshold, accessing the target relay node to realize that the overall transmission of the system has gain in energy efficiency.
For example, the processing unit 710 may perform the following steps of the above method embodiment: the method for judging whether the remote terminal U _0 performs relay transmission and selecting a relay node from the alternative relay set R comprises the following steps:
calculating S _ i0= S _ i-S _0, i epsilon (1 \8230n)
Let S _ m0= max (S _10, \8230;, S _ n 0)
If the S _ m0 exceeds a given threshold r, judging that relay transmission is needed, and selecting a relay node m as a relay node; otherwise, relay transmission is not performed.
The storage unit 720 may include readable media in the form of volatile memory units, such as a random access memory unit (RAM) 7201 and/or a cache memory unit 7202, and may further include a read only memory unit (ROM) 7203.
The storage unit 720 may also include a program/utility 7204 having a set (at least one) of program modules 7205, such program modules 7205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.
The electronic device 700 may also communicate with one or more external devices 740 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 700, and/or with any device (e.g., router, modem, etc.) that enables the electronic device 700 to communicate with one or more other computing devices. Such communication may occur via an input/output (I/O) interface 750. Also, the electronic device 700 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network such as the internet) via the network adapter 760. As shown, the network adapter 760 communicates with the other modules of the electronic device 700 via the bus 730. It should be appreciated that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 700, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, and may also be implemented by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.
In an exemplary embodiment of the present disclosure, there is also provided a computer-readable storage medium, which may be a readable signal medium or a readable storage medium. On which a program product capable of implementing the above-described method of the present disclosure is stored. In some possible embodiments, various aspects of the disclosure may also be implemented in the form of a program product comprising program code for causing a terminal device to perform the steps according to various exemplary embodiments of the disclosure as described in the "exemplary methods" section above of this specification, when the program product is run on the terminal device.
For example, the program product in the embodiments of the present disclosure, when executed by a processor, implements a method comprising: acquiring signal strength difference values between one or more relay nodes and a remote terminal; selecting a target relay node according to the signal strength difference, wherein the signal strength difference of the target relay node is the largest; judging whether the signal strength difference value of the target relay node exceeds a threshold or not; and if so, carrying out relay transmission through the target relay node.
For example, the program product in the embodiments of the present disclosure, when executed by a processor, implements a method comprising: acquiring the relay signal strength when the relay node is communicated with the information source terminal; acquiring the far-end signal intensity when the far-end terminal is communicated with the information source terminal; and obtaining a signal strength difference value between the relay node and the remote terminal according to the relay signal strength and the remote signal strength.
For example, the program product in the embodiments of the present disclosure, when executed by a processor, implements a method comprising: calculating signal strength difference S _ i0 between a remote terminal U _0 and a plurality of relay nodes R _ i; generating a group of alternative relay sets R = { R _1, R _2, R _n } for the remote terminal U _0 based on signal strength difference values S _ i0 between the remote terminal U _0 and a plurality of relay nodes R _ i; and judging whether the remote terminal U _0 carries out relay transmission or not and selecting a relay node from the alternative relay set R.
For example, the program product in the embodiments of the present disclosure, when executed by a processor, implements a method comprising: decomposing the relay node set into one or more relay nodes positioned at the same side of the base station with the remote terminal by a relay node screening judgment method; selecting a target relay node by comparing the transmission power of the remote terminal and the transmission power of the relay node, and ensuring that the relay selection has the maximum transmission power gain; and when the target relay node is larger than the threshold, accessing the target relay node to realize that the overall transmission of the system has gain in energy efficiency.
For example, the program product in the embodiments of the present disclosure, when executed by a processor, implements a method comprising: the method for judging whether the remote terminal U _0 performs relay transmission and selecting a relay node from the alternative relay set R comprises the following steps:
calculating S _ i0= S _ i-S _0, i ∈ (1 \8230n)
Let S _ m0= max (S _10, \8230;, S _ n 0)
If the S _ m0 exceeds a given threshold r, judging that relay transmission is needed, and selecting a relay node m as a relay node; otherwise, no relay transmission is performed.
More specific examples of the computer-readable storage medium in the present disclosure may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
In the present disclosure, a computer readable storage medium may include a propagated data signal with readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Alternatively, program code embodied on a computer readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
In particular implementations, program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server.
In situations involving remote computing devices, the remote computing devices may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to external computing devices (e.g., through the internet using an internet service provider).
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
Moreover, although the steps of the methods of the present disclosure are depicted in the drawings in a particular order, this does not require or imply that the steps must be performed in this particular order, or that all of the depicted steps must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions, etc.
Through the description of the above embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, and may also be implemented by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a mobile terminal, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (10)
1. A relay node access method is characterized by comprising the following steps:
acquiring signal strength difference values between one or more relay nodes and a remote terminal;
selecting a target relay node according to the signal strength difference, wherein the signal strength difference of the target relay node is the largest;
judging whether the signal strength difference value of the target relay node exceeds a threshold or not;
and if so, carrying out relay transmission through the target relay node.
2. The relay node access method of claim 1, wherein the selecting a target relay node according to the signal strength difference comprises:
generating an alternative relay set according to the signal strength difference value corresponding to the relay node;
and selecting the target relay node from the alternative relay set.
3. The relay node access method of claim 2, wherein the generating an alternative relay set according to the signal strength difference corresponding to the relay node comprises:
and generating the alternative relay set according to the signal strength difference value based on a relay service discovery process.
4. The relay node access method of claim 1, wherein the obtaining a signal strength difference between one or more relay nodes and a remote terminal comprises:
acquiring the relay signal strength when the relay node is communicated with the information source terminal;
acquiring the far-end signal strength when the far-end terminal is communicated with the information source terminal;
and obtaining a signal strength difference value between the relay node and the remote terminal according to the relay signal strength and the remote signal strength.
5. The relay node access method of claim 4, wherein the signal strength difference corresponding to the relay nodes in the alternative relay set is greater than the remote signal strength.
6. The relay node access method of claim 1, further comprising:
and setting the threshold according to the far-end signal strength.
7. The relay node access method of claim 1, wherein when the signal strength difference of the target relay node does not exceed the threshold, no relay transmission is performed.
8. A relay node access apparatus, comprising:
the intensity difference value acquisition module is used for acquiring signal intensity difference values between one or more relay nodes and the remote terminal;
the target relay selection module is used for selecting a target relay node according to the signal strength difference, wherein the signal strength difference of the target relay node is the largest;
the target relay judgment module is used for judging whether the signal strength difference value of the target relay node exceeds a threshold or not;
and the target relay access module is used for carrying out relay transmission through the target relay node when the signal strength difference value of the target relay node exceeds a threshold.
9. An electronic device, comprising:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the relay node access method of any of claims 1-7 via execution of the executable instructions.
10. A computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements a relay node access method according to any one of claims 1 to 7.
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| CN202211328209.1A CN115529648A (en) | 2022-10-27 | 2022-10-27 | Relay node access method, device, electronic equipment and storage medium |
| PCT/CN2023/120094 WO2024087953A1 (en) | 2022-10-27 | 2023-09-20 | Relay node access method and apparatus, and related device |
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| CN202211328209.1A CN115529648A (en) | 2022-10-27 | 2022-10-27 | Relay node access method, device, electronic equipment and storage medium |
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| WO2024087953A1 (en) * | 2022-10-27 | 2024-05-02 | 中国电信股份有限公司 | Relay node access method and apparatus, and related device |
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| CN113691963A (en) * | 2015-05-15 | 2021-11-23 | 华为技术有限公司 | Method and apparatus for selecting relay in device-to-device communication |
| CN106572514A (en) * | 2015-10-09 | 2017-04-19 | 北京信威通信技术股份有限公司 | Method for selecting relay UE in D2D communication |
| CN113133080B (en) * | 2020-01-15 | 2023-04-25 | 大唐移动通信设备有限公司 | Relay device selection method, device and computer storage medium |
| US20230088512A1 (en) * | 2021-02-19 | 2023-03-23 | Apple Inc. | Technologies For Relay User Equipment Reselection |
| CN115529648A (en) * | 2022-10-27 | 2022-12-27 | 中国电信股份有限公司 | Relay node access method, device, electronic equipment and storage medium |
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| WO2024087953A1 (en) * | 2022-10-27 | 2024-05-02 | 中国电信股份有限公司 | Relay node access method and apparatus, and related device |
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