CN113596946B - Wireless communication method, wireless communication terminal, and storage medium - Google Patents
Wireless communication method, wireless communication terminal, and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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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 application discloses a wireless communication method, a wireless communication terminal and a storage medium. The wireless communication method comprises the following steps: when the signal strength and/or the signal quality of the currently connected first cell are/is smaller than a first preset threshold value, the main communication module sends a cell switching request message to the auxiliary communication module; the auxiliary communication module receives the cell switching request message and selects a proper second cell, and meanwhile, the identification information of the second cell is transmitted to the main communication module; and the main communication module realizes connection with the base station of the second cell according to the identification information of the second cell. The method and the device do not influence the service data transmission of the main communication module, and are favorable for improving the service data throughput rate, so that the user experience is improved. In addition, the embodiment of the application adopts double logical channels (service channels and common channels), so that the channel resource utilization rate can be effectively improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a wireless communication method, a wireless communication terminal, and a storage medium.
Background
Under the cellular network, the mobile terminal can be smoothly switched from the cell A to the cell B so as to keep the service data uninterrupted. However, with the development of cities, the distribution of base stations is more and more dense, which results in an increase in the number of cell handovers triggered by a mobile terminal during the movement process. The mobile terminal starts measurement and analyzes a large number of measurement reports (public messages) in the cell switching process, and the service data is uninterrupted. Since the service data and the measurement report common message are transmitted through the same channel, the overhead of the measurement report common message causes the reduction of the channel utilization rate and the reduction of the service data throughput rate, resulting in poor user experience.
Disclosure of Invention
In view of this, embodiments of the present application provide a wireless communication method, a wireless communication terminal, and a storage medium, which are favorable for improving the channel utilization rate and the service data throughput rate, thereby improving the user experience.
In a first aspect, the present application provides a wireless communication method, applied to a wireless communication terminal, where the wireless communication terminal includes a main communication module and an auxiliary communication module that are communicatively connected, the main communication module performs transmission of data information with a base station through a traffic channel, and the auxiliary communication module performs transmission of public information with the base station through a public channel, and the wireless communication method includes:
when the signal strength and/or the signal quality of the currently connected first cell are/is smaller than a first preset threshold value, the main communication module sends a cell switching request message to the auxiliary communication module;
the auxiliary communication module receives the cell switching request message and selects a proper second cell, and meanwhile, the identification information of the second cell is transmitted to the main communication module;
and the main communication module realizes connection with the base station of the second cell according to the identification information of the second cell.
Optionally, the secondary communication module receives the cell handover request and selects a suitable second cell, specifically including:
measuring signal strength and/or signal quality of a neighboring cell of the first cell;
and determining the neighbor cell with the maximum signal strength and/or signal quality as a second cell.
Optionally, the IMSI information of the primary communication module and the secondary communication module are the same.
Optionally, the common information comprises a measurement report, the measurement comprising at least one of:
signal strength of the first cell, signal quality of the first cell, terminal transmit power, RSRP.
Optionally, the connection mode of the main communication module and the auxiliary communication module is serial connection.
In a second aspect, an embodiment of the present application provides a wireless communication terminal, including a main communication module and an auxiliary communication module that are communicatively connected, where the main communication module performs transmission of data information with a base station through a traffic channel, and the auxiliary communication module performs transmission of public information with the base station through a public channel;
when the signal strength and/or signal quality of the currently connected first cell is smaller than a first preset threshold, the main communication module is used for sending a cell switching request message to the auxiliary communication module;
the auxiliary communication module is used for receiving the cell switching request message and selecting a proper second cell, and transmitting the identification information of the second cell to the main communication module;
the main communication module is also used for realizing connection with the base station of the second cell according to the identification information of the second cell.
Optionally, the secondary communication module is specifically configured to:
measuring signal strength and/or signal quality of a neighboring cell of the first cell;
and determining the neighbor cell with the maximum signal strength and/or signal quality as a second cell.
Optionally, the IMSI information of the primary communication module and the secondary communication module are the same.
Optionally, the common information comprises a measurement report, the measurement comprising at least one of:
signal strength of the first cell, signal quality of the first cell, terminal transmit power, RSRP.
Optionally, the connection mode of the main communication module and the auxiliary communication module is serial connection.
In a third aspect, embodiments of the present application provide a readable storage medium having a program stored thereon, which when executed by a processor, implements steps of a wireless communication method as described above.
The wireless communication method is applied to a wireless communication terminal, the wireless communication terminal comprises a main communication module and an auxiliary communication module which are in communication connection, the main communication module transmits data information with a base station through a service channel, and the auxiliary communication module transmits public information with the base station through a public channel. When the cell switching occurs, the main communication module sends a cell switching request message to the auxiliary communication module, the auxiliary communication module selects a target cell and establishes connection with a base station of the target cell, so that the cell switching is realized, the service data transmission of the main communication module is not influenced, the service data throughput rate is improved, and the user experience is improved. In addition, the embodiment of the application adopts double logical channels (service channels and common channels), so that the channel resource utilization rate can be effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system architecture according to an embodiment of the present application;
fig. 2 is a flow chart of a wireless communication method according to an embodiment of the present application;
fig. 3 is a flow chart of a wireless communication method according to another embodiment of the present application;
fig. 4 is an interaction diagram in a cell handover scenario according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the embodiments and the accompanying drawings. It is apparent that the described embodiments are only some embodiments, not all embodiments. The various embodiments described below and their technical features can be combined with each other without conflict.
Under the cellular network, the mobile terminal can be smoothly switched from the cell A to the cell B so as to keep the service data uninterrupted. However, with the development of cities, the distribution of base stations is more and more dense, which results in an increase in the number of cell handovers triggered by a mobile terminal during the movement process. The mobile terminal starts measurement and analyzes a large number of measurement reports (public messages) in the cell switching process, and the service data is uninterrupted. Since the service data and the measurement report common message are transmitted through the same channel, the overhead of the measurement report common message causes the reduction of the channel utilization rate and the reduction of the service data throughput rate, resulting in poor user experience.
Based on the above, the present application provides a wireless communication method, a wireless communication terminal, and a storage medium, where the wireless communication terminal includes a main communication module and an auxiliary communication module that are communicatively connected, the main communication module performs transmission of data information with a base station through a traffic channel, and the auxiliary communication module performs transmission of public information with the base station through a public channel. When the cell switching occurs, the main communication module sends a cell switching request message to the auxiliary communication module, the auxiliary communication module selects a target cell and establishes connection with a base station of the target cell, so that the cell switching is realized, the service data transmission of the main communication module is not influenced, the service data throughput rate is improved, and the user experience is improved. In addition, the embodiment of the application adopts double logical channels (service channels and common channels), so that the channel resource utilization rate can be effectively improved.
In a first aspect, an embodiment of the present application provides a wireless communication method. The wireless communication method is applied to a wireless communication terminal, as shown in fig. 1, the wireless communication terminal comprises a main communication module and an auxiliary communication module which are in communication connection, the main communication module transmits data information with a base station through a service channel, and the auxiliary communication module transmits public information with the base station through a public channel.
As shown in fig. 2, the wireless communication method includes:
step S110: when the signal strength and/or the signal quality of the currently connected first cell are/is smaller than a first preset threshold value, the main communication module sends a cell switching request message to the auxiliary communication module;
in general, a main communication module and an auxiliary communication module of a wireless communication terminal (hereinafter referred to as a terminal) are both connected to a base station of a first cell (a cell refers to an area covered by a base station), the main communication module transmits data information with the base station of the first cell through a traffic channel, and the auxiliary communication module transmits public information with the base station of the first cell through a public channel. When the signal strength and/or signal quality of the currently connected first cell is smaller than the first preset threshold (or is continuously smaller than the first threshold in a period of time), for example, when the signal strength of the currently connected first cell is-110 dBm, and the signal strength is smaller than the threshold of handover to-95 dBm, the terminal continuously reports the signal strength and/or signal quality of the currently connected first cell at this time, so as to generate a large number of measurement reports (one of public information), and the measurement reports are transmitted to the base station of the first cell through the public channel, namely, cell handover occurs. At this time, the primary communication module transmits a cell handover request message to the secondary communication module.
Step S120: the auxiliary communication module receives the cell switching request message and selects a proper second cell, and meanwhile, the identification information of the second cell is transmitted to the main communication module;
after receiving the cell switching request message, the auxiliary communication module selects a proper second cell (a target cell to be switched) and simultaneously transmits the identification information of the second cell to the main communication module.
In some embodiments, the identification information of the second cell may be a location number of the second cell, or may be a physical cell identification PCI, or may be other information capable of uniquely identifying the second cell, which is not specifically limited in this embodiment.
In some embodiments, as shown in fig. 3, the secondary communication module selects the appropriate second cell as follows:
step S121: measuring signal strength and/or signal quality of a neighboring cell of the first cell;
step S122: and determining the neighbor cell with the maximum signal strength and/or signal quality as a second cell.
The terminal measures the signal intensity and/or signal quality of the adjacent cells of the first cell, sorts the adjacent cells according to the signal intensity and/or signal quality, selects the optimal target cell, namely the adjacent cell with the largest signal intensity and/or signal quality, and determines the optimal target cell as the second cell.
Step S130: and the main communication module realizes connection with the base station of the second cell according to the identification information of the second cell.
And the main communication module establishes connection with a base station of the second cell according to the identification information of the second cell to complete cell switching.
In combination with the above, the main communication module and the auxiliary communication module are connected with the base station through dual logical channels (traffic channels and common channels), the main communication module is forbidden to transmit common information, the auxiliary communication module is forbidden to transmit data information, and the main communication module and the auxiliary communication module jointly complete the transmission of the common information and the data information.
In the prior art, when cell switching occurs, the main communication module realizes cell switching and service data transmission, so that the service data throughput rate is reduced. In the embodiment of the application, the main communication module sends the cell switching request message to the auxiliary communication module, and the auxiliary communication module realizes cell switching without influencing the service data transmission of the main communication module, thereby being beneficial to improving the service data throughput rate and improving the user experience.
In some embodiments, the main communication module and the auxiliary communication module are externally presented as a whole, and the inside is composed of two modules. The main communication module and the auxiliary communication module are arranged in the same terminal, and a SIM card is arranged in the terminal to realize communication with the base station. Therefore, IMSI information (international mobile subscriber identity) of the primary communication module and the secondary communication module is the same.
In some embodiments, the common information mainly includes measurement reports when a cell handover occurs. The measurement report may contain the signal strength, signal quality, current transmit power of the terminal, RSRP (Reference Signal Receiving Power, reference signal received power), etc. of the currently connected first cell. The secondary communication module mainly handles the above mentioned measurement reports related to cell handover.
It should be noted that, in a normal communication scenario (no cell handover occurs), the main communication module also processes some common information that occupies less channel resources, such as SIB information. Only when a cell switch occurs, common information related to the cell switch is processed by the secondary communication module.
In some embodiments, the connection mode of the main communication module and the auxiliary communication module may be serial connection, or may be other communication connection modes, for example, PCIe bus connection, which is not limited in this embodiment. Taking a serial port as an example, the main communication module sends a cell switching request message to the auxiliary communication module through the serial port. The auxiliary communication module transmits the identification information of the second cell to the main communication module through the serial port.
In a second aspect, an embodiment of the present application provides a wireless communication terminal. The wireless communication terminal comprises a main communication module and an auxiliary communication module which are in communication connection. As shown in fig. 1, the primary communication module transmits data information with the base station through a traffic channel, and the secondary communication module transmits public information with the base station through a public channel.
When the signal strength and/or signal quality of the currently connected first cell is smaller than a first preset threshold, the main communication module is used for sending a cell switching request message to the auxiliary communication module;
the auxiliary communication module is used for receiving the cell switching request message and selecting a proper second cell, and transmitting the identification information of the second cell to the main communication module;
the main communication module is also used for realizing connection with the base station of the second cell according to the identification information of the second cell.
The specific operation of the wireless communication terminal is described with reference to the first aspect, and will not be described herein.
In some embodiments, the secondary communication module selects the appropriate second cell in the following manner:
measuring signal strength and/or signal quality of a neighboring cell of the first cell;
and determining the neighbor cell with the maximum signal strength and/or signal quality as a second cell.
In some embodiments, the main communication module and the auxiliary communication module are externally presented as a whole, and the inside is composed of two modules. The main communication module and the auxiliary communication module are arranged in the same terminal, and a SIM card is arranged in the terminal to realize communication with the base station. Therefore, IMSI information (international mobile subscriber identity) of the primary communication module and the secondary communication module is the same.
In some embodiments, the common information mainly includes measurement reports when a cell handover occurs. The measurement report may contain the signal strength, signal quality, current transmit power of the terminal, RSRP (Reference Signal Receiving Power, reference signal received power), etc. of the currently connected first cell. The secondary communication module mainly handles the above mentioned measurement reports related to cell handover.
It should be noted that, in a normal communication scenario (no cell handover occurs), the main communication module also processes some common information that occupies less channel resources, such as SIB information. Only when a cell switch occurs, common information related to the cell switch is processed by the secondary communication module.
In some embodiments, the connection mode of the main communication module and the auxiliary communication module may be serial connection, or may be other communication connection modes, for example, PCIe bus connection, which is not limited in this embodiment. Taking a serial port as an example, the main communication module sends a cell switching request message to the auxiliary communication module through the serial port. The auxiliary communication module transmits the identification information of the second cell to the main communication module through the serial port.
The following describes the wireless communication method of the present application in detail based on a cell handover scenario:
first, the principle of cell switching will be described: the cell switching action is controlled by the base station, and the base station has threshold values of measurement events such as A1, A2 and the like. In a cell handover scenario, the terminal may initiate measurements and resolve a large number of measurement reports (common information) during cell handover. The measurement report may contain the signal strength of the current cell, signal quality, current transmit power of the terminal, RSRP (Reference Signal Receiving Power, reference signal received power), etc. Taking RSRP as an example, once the RSRP detected by the terminal is found to be poor, an air interface measurement switch is started, and at this time, a large amount of uplink measurement reports are gushed into the channel, so that air interface resources are occupied, the service data transmission rate is affected, and the base station and the network node MME finish switching. When the RSRP is very good after switching, e.g. below the A1 threshold, the measurement switch is turned off.
As shown in fig. 4, the primary communication module generates an RRC connection request, and transmits the RRC connection request to the secondary communication module through the serial port, and the secondary communication module sends the RRC connection request to the current base station a (base station of the first cell) to request access to the network, where the current base station a allocates radio resources to the terminal. And when the signal strength and/or the signal quality of the first cell are/is smaller than a first preset threshold value, the auxiliary communication module uploads a measurement report to the current base station A through a common channel. The current base station a sends a handover request to the network node MME. The network node MME returns a handover confirmation to the current base station A. The main communication module sends a cell switching request message to the auxiliary communication module through the serial port. The auxiliary communication module receives the cell switching request message and selects a proper second cell, and meanwhile, the identification information of the second cell is transmitted to the main communication module through the serial port. And the main communication module initiates RRC channel reconfiguration to a target base station B (base station of the second cell) according to the identification information of the second cell, establishes connection with the target base station B, and reports the completion of switching to a network node MME to complete switching to the second cell. After the switching is completed, the main communication module and the target base station B perform service data transmission.
In a third aspect, an embodiment of the present application provides a readable storage medium having a program stored thereon, which when executed by a processor, implements steps of a wireless communication method as described above.
Those of ordinary skill in the art will appreciate that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
In a hardware implementation, the division between the functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed cooperatively by several physical components. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
Although the application has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art based upon a reading and understanding of this specification and the annexed drawings. This application is intended to cover all such modifications and variations, and is limited only by the scope of the appended claims. In particular regard to the various functions performed by the above described components, the terms used to describe such components are intended to correspond, unless otherwise indicated, to any component which performs the specified function of the described component (e.g., that is functionally equivalent), even though not structurally equivalent to the disclosed structure which performs the function in the herein illustrated exemplary implementations of the specification.
The foregoing description is only a partial embodiment of the present application, and is not intended to limit the scope of the patent application, and all equivalent structures or equivalent processes using the descriptions and the contents of the present application, such as the combination of technical features between the embodiments, or direct or indirect application in other related technical fields, are included in the scope of the patent protection of the present application.
In addition, although the terms "first, second, third," etc. are used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well. The terms "or" and/or "are to be construed as inclusive, or mean any one or any combination. An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.
Claims (6)
1. A wireless communication method, characterized in that the wireless communication method is applied to a wireless communication terminal, the wireless communication terminal comprises a main communication module and an auxiliary communication module which are in communication connection, the main communication module transmits data information with a base station through a service channel, the auxiliary communication module transmits public information with the base station through a public channel, the method comprises:
when the signal strength and/or the signal quality of the currently connected first cell are/is smaller than a first preset threshold value, the main communication module sends a cell switching request message to the auxiliary communication module;
the auxiliary communication module measures the signal strength and/or the signal quality of the adjacent cell of the first cell; determining a neighbor cell with the maximum signal strength and/or signal quality as a second cell, and transmitting identification information of the second cell to the main communication module;
and the main communication module is connected with the base station of the second cell according to the identification information of the second cell, and the IMSI information of the main communication module and the IMSI information of the auxiliary communication module are the same.
2. The wireless communication method of claim 1, wherein the common information comprises a measurement report, the measurement comprising at least one of:
signal strength of the first cell, signal quality of the first cell, terminal transmit power, RSRP.
3. The wireless communication method according to claim 1 or 2, wherein the primary communication module and the secondary communication module are connected in a serial connection manner.
4. The wireless communication terminal is characterized by comprising a main communication module and an auxiliary communication module which are in communication connection, wherein the main communication module transmits data information with a base station through a service channel, and the auxiliary communication module transmits public information with the base station through a public channel;
when the signal strength and/or signal quality of the currently connected first cell is smaller than a first preset threshold, the main communication module is used for sending a cell switching request message to the auxiliary communication module;
the auxiliary communication module is used for measuring the signal strength and/or the signal quality of the adjacent cell of the first cell; determining a neighbor cell with the maximum signal strength and/or signal quality as a second cell, and transmitting identification information of the second cell to the main communication module;
the main communication module is further configured to implement connection with a base station of the second cell according to the identification information of the second cell, where IMSI information of the main communication module and IMSI information of the auxiliary communication module are the same.
5. The wireless communication terminal of claim 4, wherein said common information comprises a measurement report, said measurement comprising at least one of:
signal strength of the first cell, signal quality of the first cell, terminal transmit power, RSRP.
6. A readable storage medium, characterized in that the readable storage medium has stored thereon a program which, when executed by a processor, implements the steps of the wireless communication method according to any of claims 1 to 3.
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| CN106162826A (en) * | 2011-07-01 | 2016-11-23 | 华为技术有限公司 | Communication means and equipment and system |
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| WO2015037937A1 (en) * | 2013-09-12 | 2015-03-19 | 인텔렉추얼디스커버리 주식회사 | Method for searching for wireless lan and mobile terminal supporting same |
| CN106788574A (en) * | 2015-11-24 | 2017-05-31 | 小米科技有限责任公司 | Data service handling method and device |
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