CN115499952A - eSIM electric power communication module facing automatic driving network - Google Patents
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- H—ELECTRICITY
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- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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Abstract
An eSIM electric power communication module facing to an automatic driving network, wherein an M.2 interface module provides a host interface of the eSIM electric power communication module facing to the automatic driving network; the 4G/5G baseband chip communicates with a base station of a mobile communication network to modulate, demodulate, encode and decode uplink and downlink wireless signals; the Sub-6GHz radio frequency chip transmits and receives signals through an antenna interface; the power management module transforms, distributes and detects the electric energy; the memory module is used for storing data for the eSIM power communication module of the automatic driving network; the remote card-adjusting module is connected with the CPU unit and used for detecting the signal quality of mobile networks of different operators at the position of the eSIM chip equipment and matching with the optimal operator network to carry out eSIM remote card adjustment. The invention realizes the access of the eSIM power service, ensures the reliability of power communication and realizes high timeliness and accuracy of the power service.
Description
Technical Field
The utility model belongs to the technical field of write number in the air, especially, relate to an eSIM electric power communication module towards autopilot network.
Background
The eSIM, namely EmbededSIM, refers to an embedded SIM card, and is essentially to transfer card data in the SIM card from an originally stored UICC circuit (i.e., a traditional SIM card) to a piece of hardware of the terminal device. With the popularization and driving of the internet of things technology, more and more traditional goods (such as automobiles, intelligent meters, monitoring equipment and the like) are embedded into the sensor and the communication module to become the internet of things terminal.
At present, to develop an access function of an electric power communication module based on a domestic 4G/5G chip, the first difficulty is selection of a domestic chip partner, the support of a large factory may be insufficient, and the technical level of a small factory may be insufficient. Because the quality of the received signals of the terminals at different positions in the same cell is different, the prior art cannot switch the operator network according to the signal condition, and is difficult to ensure the smoothness and stability of the network. In addition, the eSIM intelligent configuration management is also a guarantee for ensuring high timeliness and accuracy of the power service. How to design an automatic driving network-oriented eSIM power communication technical scheme has practical significance.
Disclosure of Invention
In view of this, the present disclosure provides an eSIM power communication module oriented to an autopilot network, which implements eSIM power service access, guarantees reliability of power communication, and implements high timeliness and accuracy of power service.
Based on the above-mentioned purpose, this disclosure provides an eSIM power communication module towards autopilot network, includes:
the system comprises a CPU unit, an M.2 interface module, a 4G/5G baseband chip, a Sub-6GHz radio frequency chip, an antenna interface, a power management module, a memory module, an eSIM chip and a remote card adjusting module;
the M.2 interface module is connected with the CPU, and the M.2 interface module is used for providing a host interface of an eSIM power communication module facing to an automatic driving network;
the 4G/5G baseband chip is connected with the CPU unit, the Sub-6GHz radio frequency chip is connected with the 4G/5G baseband chip, the antenna interface is connected with the CPU unit, and the 4G/5G baseband chip is used for communicating with a base station of a mobile communication network to modulate, demodulate, encode and decode uplink and downlink wireless signals; the Sub-6GHz radio frequency chip transmits and receives signals through the antenna interface;
the power management module is connected with the CPU unit and is used for converting, distributing and detecting electric energy;
the memory module is connected with the CPU unit and used for storing data for an eSIM power communication module facing an automatic driving network;
the connection between the eSIM chip and the CPU unit is established, the connection between the remote card-adjusting module and the CPU unit is established, and the remote card-adjusting module is used for detecting the signal quality of mobile networks of different operators at the position of the eSIM chip equipment and matching the mobile networks of the optimal operators to perform the eSIM remote card adjustment.
As an optimal scheme of an eSIM power communication module facing an automatic driving network, a protocol architecture layer of the Sub-6GHz radio frequency chip comprises a PHY physical layer, and the PHY physical layer is used for providing a 5G Sub-6Ghz wireless access function.
As an optimal scheme of an eSIM (embedded subscriber identity module) power communication module facing an automatic driving network, a protocol architecture layer of the Sub-6GHz radio frequency chip comprises an MAC (media access control) medium access layer and an RLC (radio link control) layer;
the MAC medium access layer is used for receiving data, signaling and measurement information of the PHY physical layer through mapping between the logic channel and the transmission channel, and provides data transmission and radio resource assignment for the RLC radio link control layer.
As an optimal scheme of an eSIM power communication module facing an automatic driving network, a protocol architecture layer of the Sub-6GHz radio frequency chip comprises a PDCP (packet data convergence protocol) layer, and the PDCP layer is used for compressing a protocol header, encrypting/finishing and sequencing.
As an optimal scheme of the eSIM power communication module facing the automatic driving network, the protocol architecture layer of the Sub-6GHz radio frequency chip includes an SDAP service data adaptation layer, and the SDAP service data adaptation layer is used for performing QoS Flow to DRB mapping on uplink and downlink data.
As a preferred scheme of an eSIM power communication module oriented to an automatic driving network, the eSIM chip is embedded, and a system of the eSIM chip includes:
a) An eUICC containing one or more subscription profiles;
b) EUM, eUICC manufacturer;
c) SM-SR, subscription manager-secure routing;
d) SM-DP, subscription manager-data preparation;
e) MNO, mobile network operator;
f) CI, GSMA certificate issuer.
The preferred scheme of the eSIM power communication module facing the automatic driving network further comprises an eSIM management module, wherein the eSIM management module is connected with the eSIM chip, the eSIM management module is also connected with the CPU, and the eSIM management module is used for eSIM registration, a management interface and a configuration interface.
The preferred scheme of the eSIM power communication module facing the automatic driving network also comprises a configuration management module, wherein the configuration management module is used for basic configuration maintenance, log request, OTA request and alarm query of the 4G/5G module.
As an optimal scheme of the eSIM power communication module facing the automatic driving network, the configuration management module is also used for the running state query and the working mode maintenance of the 4G/5G module.
As an optimal scheme of the eSIM power communication module facing the automatic driving network, the configuration management module is also used for inquiring the information and the configuration file management of the 4G/5G module.
As can be seen from the above, the present disclosure adopts a customized 4G/5G power communication module supporting an eSIM technology, supports an eSIM card, supports an NSA/SA dual mode, supports 5G Sub-6GHz, verifies an eSIM power service access, can switch an operator network according to a signal condition, maximally guarantees smoothness and stability of the network, reduces an operation cost, improves an operation efficiency, upgrades a service guarantee, improves a service quality, and improves a customer satisfaction.
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In order to more clearly illustrate the technical solutions in the present disclosure or related technologies, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an eSIM power communication module architecture oriented to an automatic driving network according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of an eSIM power communication module eSIM remote card-tuning for an autopilot network according to an embodiment of the disclosure;
fig. 3 is an eSIM power communication module protocol architecture for an autopilot network according to an embodiment of the disclosure.
Detailed Description
For the purpose of promoting a better understanding of the objects, aspects and advantages of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
It is to be noted that technical terms or scientific terms used in the embodiments of the present disclosure should have a general meaning as understood by one having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in the embodiments of the disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
At present, the adaptability of a common SIM card in a severe environment is poor, and the requirements of a plurality of application scenes of the Internet of things on the environment characteristics cannot be met. With the popularization drive of the internet of things technology, more and more traditional commodities (such as automobiles, intelligent meters, monitoring equipment and the like) are embedded into the sensors and the communication modules, and become the internet of things terminal.
Because the wireless network is influenced by the environment and the number of access terminals, uncertainty and randomness exist, shadow fading caused by building shielding, and multipath effects caused by diffraction, scattering and reflection of radio magnetic waves can cause that the quality of received signals of terminals at different positions in the same cell has difference. In addition, network congestion caused by the increase of the number of access devices also affects the signal quality of the wireless network. The prior art can not switch the operator network according to the signal condition, and is difficult to ensure the smoothness and the stability of the network. In addition, the eSIM intelligent configuration management is also a guarantee for ensuring high timeliness and accuracy of the power service.
In view of this, the embodiment of the present disclosure provides an eSIM power communication module for an autopilot network, so as to implement eSIM power service access, ensure reliability of power communication, and implement high timeliness and accuracy of a power service.
Referring to fig. 1, an embodiment of the present disclosure provides an eSIM power communication module for an automatic driving network, including:
the system comprises a CPU unit 1, an M.2 interface module 2, a 4G/5G baseband chip 3, a Sub-6GHz radio frequency chip 4, an antenna interface 5, a power management module 6, a memory module 7, an eSIM chip 8 and a remote card adjusting module 9;
the M.2 interface module 2 is connected with the CPU unit 1, and the M.2 interface module 2 is used for providing a host interface of an eSIM power communication module facing an automatic driving network;
the 4G/5G baseband chip 3 is connected with the CPU unit 1, the Sub-6GHz radio frequency chip 4 is connected with the 4G/5G baseband chip 3, the antenna interface 5 is connected with the CPU unit 1, and the 4G/5G baseband chip 3 is used for communicating with a base station of a mobile communication network to modulate, demodulate, encode and decode uplink and downlink wireless signals; the Sub-6GHz radio frequency chip 4 transmits and receives signals through the antenna interface 5;
the power management module 6 is connected with the CPU unit 1, and the power management module 6 is used for converting, distributing and detecting electric energy;
the memory module 7 establishes connection with the CPU unit 1, and the memory module 7 is used for storing data for an eSIM power communication module facing an automatic driving network;
the eSIM chip 8 is connected with the CPU unit 1, the remote card-adjusting module 9 is connected with the CPU unit 1, and the remote card-adjusting module 9 is configured to detect signal quality of mobile networks of different operators at a location where the eSIM chip 8 is located, and match an optimal operator network to perform eSIM remote card adjustment.
Referring to fig. 2, in this embodiment, the diversity of the application of the power service module is considered, a module access selection mechanism based on the eSIM multimode adaptation is implemented, and the adaptability of the module in the power application field is improved. Factors such as the difference of transmission quality of channels of the power heterogeneous network and coverage overlapping need to provide a multimode adaptive network access selection mechanism for the module, so as to ensure that the module is always accessed to the most suitable network for transmitting and processing power services.
Specifically, the method comprises the following steps. The eSIM self-adaptive access algorithm based on the service priority takes the power service level, the network signal intensity, the QoS, the energy efficiency, the network load and the like as judgment factors of the module candidate network priority, designs a variable weight network selection and switching judgment mechanism based on the service preference selection, adopts an analytic hierarchy process to determine the weight, performs sequencing weighting, calculates comprehensive evaluation indexes, and selects the optimal network, so as to reduce the module access blocking rate under the heterogeneous network environment and improve the service guarantee capability.
Specifically, firstly, a triggering network selection condition is judged, a candidate network set is screened out through RSS and terminal preference, and the terminal collects attribute parameters of the peripheral network through sensing and measuring means and carries out quantization and normalization processing on the attribute parameters. According to the characteristics, the requirements and the preference of each power service terminal, the weighted value of each network attribute parameter is determined by an improved analytic hierarchy process, the TOPSIS method is used for calculating the comprehensive evaluation index of each network, and the optimal network is selected for access.
With reference to fig. 3, in this embodiment, the Sub-6GHz radio frequency chip 4 includes a PHY physical layer in a layered manner, where the PHY physical layer is configured to provide a 5G Sub-6GHz wireless access function. The protocol architecture layer of the Sub-6GHz radio frequency chip 4 comprises an MAC media access layer and an RLC radio link control layer; the MAC medium access layer is used for receiving data, signaling and measurement information of the PHY physical layer through mapping between the logic channel and the transmission channel, and provides data transmission and radio resource assignment for the RLC radio link control layer. The RLC radio link control layer establishes an RLC entity for an upper layer service and provides three data transmission modes of TM, UM and AM.
In this embodiment, the protocol architecture layer of the Sub-6GHz radio frequency chip 4 includes a PDCP packet data convergence protocol layer, and the PDCP packet data convergence protocol layer is configured to perform protocol header compression, ciphering/completion protection, and sequencing.
In this embodiment, the protocol architecture layer of the Sub-6GHz radio frequency chip 4 includes an SDAP service data adaptation layer, and the SDAP service data adaptation layer is used for performing mapping from QoS Flow to DRB for uplink and downlink data. The SDAP service data adaptation layer is a new sub-layer of the NR 5G user plane, performs the mapping from QoS Flow to DRB for uplink and downlink data, marks QoS Flow ID in uplink and downlink data packets, and performs the mapping from QoS Flow to DRB for uplink SDAP data.
In this embodiment, the eSIM chip 8 is embedded, supports access to a 4G eNB base station, and adopts an M2M implementation scheme in an eSIM white paper made by GSMA, where the system of the eSIM chip 8 includes:
a) An eUICC containing one or more subscription profiles;
b) EUM, eUICC manufacturer;
c) SM-SR, subscription manager-secure routing;
d) SM-DP, subscription manager-data preparation;
e) MNO, mobile network operator;
f) CI, GSMA certificate issuer.
In this embodiment, the system further includes an eSIM management module 10, the eSIM management module 10 establishes a connection with the eSIM chip 8, the eSIM management module 10 also establishes a connection with the CPU unit 1, and the eSIM management module 10 is used for eSIM registration, a management interface, and a configuration interface. Specific functions of the eSIM management module 10 relate to see table 1:
table 1 functional design of eSIM management module 10
In this embodiment, the system further includes a configuration management module 11, where the configuration management module 11 is used for basic configuration maintenance, log request, OTA request, and alarm query of the 4G/5G module. The configuration management module 11 is also used for the operation state query and the working mode maintenance of the 4G/5G module. The configuration management module 11 is also used for inquiring the information and configuration file management of the 4G/5G module. The specific functions of the configuration management module 11 relate to see table 2:
table 2 functional design of configuration management module 11
In summary, the present disclosure is provided with a CPU unit 1, an m.2 interface module 2, a 4G/5G baseband chip 3, a Sub-6GHz radio frequency chip 4, an antenna interface 5, a power management module 6, a memory module 7, an eSIM chip 8, and a remote card-adjusting module 9; the M.2 interface module 2 is connected with the CPU unit 1, and the M.2 interface module 2 is used for providing a host interface of an eSIM power communication module facing an automatic driving network; the 4G/5G baseband chip 3 is connected with the CPU unit 1, the Sub-6GHz radio frequency chip 4 is connected with the 4G/5G baseband chip 3, the antenna interface 5 is connected with the CPU unit 1, and the 4G/5G baseband chip 3 is used for communicating with a base station of a mobile communication network to modulate, demodulate, encode and decode uplink and downlink wireless signals; the Sub-6GHz radio frequency chip 4 transmits and receives signals through the antenna interface 5; the power management module 6 is connected with the CPU unit 1, and the power management module 6 is used for converting, distributing and detecting electric energy; the memory module 7 establishes connection with the CPU unit 1, and the memory module 7 is used for storing data for an eSIM power communication module facing an automatic driving network; the eSIM chip 8 is connected with the CPU unit 1, the remote card-adjusting module 9 is connected with the CPU unit 1, and the remote card-adjusting module 9 is configured to detect signal quality of mobile networks of different operators at a location where the eSIM chip 8 is located, and match an optimal operator network to perform eSIM remote card adjustment. The protocol architecture layer comprises a PHY physical layer, an MAC media access layer, an RLC wireless link control layer, a PDCP packet data convergence protocol layer and an SDAP service data adaptation layer, wherein the PHY physical layer is used for providing a 5G sub-6Ghz wireless access function; the MAC medium access layer is used for receiving data, signaling and measurement information of the PHY physical layer through mapping between the logic channel and the transmission channel, and provides data transmission and radio resource assignment for the RLC radio link control layer. The RLC radio link control layer establishes an RLC entity for an upper layer service and provides three data transmission modes of TM, UM and AM; the PDCP packet data convergence protocol layer is used for carrying out protocol header compression, encryption/security completion and sequencing; and the SDAP service data adaptation layer is used for mapping QoS Flow to DRB according to uplink and downlink data. The SDAP service data adaptation layer is a new sublayer of the NR 5G user plane, performs the mapping from QoS Flow to DRB for the uplink and downlink data, marks QoS Flow ID in the uplink and downlink data packets, and performs the mapping from QoS Flow to DRB for the uplink SDAP data. And screening out a candidate network set through judging a triggering network selection condition and through RSS and terminal preference, and collecting each attribute parameter of the peripheral network through a sensing and measuring means by the terminal, and quantizing and normalizing the attribute parameters. According to the characteristics, the requirements and the preference of each power service terminal, the weighted value of each network attribute parameter is determined by an improved analytic hierarchy process, the TOPSIS method is used for calculating the comprehensive evaluation index of each network, and the optimal network is selected for access. The customized 4G/5G power communication module supporting the eSIM technology supports an eSIM card, supports an NSA/SA dual mode, supports 5G Sub-6GHz, verifies the access of an eSIM power service, can switch an operator network according to signal conditions, furthest ensures the smoothness and stability of the network, can reduce the operation cost, improves the operation efficiency, upgrades the service guarantee, improves the service quality and improves the satisfaction degree of customers.
The disclosed embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalents, improvements, and the like that may be made without departing from the spirit or scope of the embodiments of the present disclosure are intended to be included within the scope of the disclosure.
Claims (10)
1. An eSIM power communication module towards an autopilot network, comprising:
the system comprises a CPU unit, an M.2 interface module, a 4G/5G baseband chip, a Sub-6GHz radio frequency chip, an antenna interface, a power management module, a memory module, an eSIM chip and a remote card adjusting module;
the M.2 interface module is connected with the CPU unit, and the M.2 interface module is used for providing a host interface of an eSIM power communication module facing to an automatic driving network;
the 4G/5G baseband chip is connected with the CPU unit, the Sub-6GHz radio frequency chip is connected with the 4G/5G baseband chip, the antenna interface is connected with the CPU unit, and the 4G/5G baseband chip is used for communicating with a base station of a mobile communication network to modulate, demodulate, encode and decode uplink and downlink wireless signals; the Sub-6GHz radio frequency chip transmits and receives signals through the antenna interface;
the power management module is connected with the CPU unit and is used for converting, distributing and detecting electric energy;
the memory module is connected with the CPU unit and used for storing data for an eSIM power communication module facing an automatic driving network;
the connection between the eSIM chip and the CPU unit is established, the connection between the remote card-adjusting module and the CPU unit is established, and the remote card-adjusting module is used for detecting the signal quality of mobile networks of different operators at the position of the eSIM chip equipment and matching the mobile networks of the optimal operators to perform the eSIM remote card adjustment.
2. The eSIM power communication module for the autopilot network of claim 1 wherein the protocol architecture hierarchy of the Sub-6GHz radio frequency chip includes a PHY physical layer for providing 5G Sub-6GHz wireless access functionality.
3. The eSIM power communication module for the autopilot network as recited in claim 2, wherein the protocol architecture layer of the Sub-6GHz radio frequency chip comprises a MAC media access layer and an RLC radio link control layer;
the MAC medium access layer is used for receiving data, signaling and measurement information of the PHY physical layer through mapping between the logic channel and the transmission channel, and provides data transmission and radio resource assignment for the RLC radio link control layer.
4. The eSIM power communication module of claim 3, wherein the protocol architecture layer of the Sub-6GHz radio frequency chip comprises a PDCP packet data convergence protocol layer, and the PDCP packet data convergence protocol layer is configured to perform header compression, ciphering/integrity protection, and sequencing.
5. The eSIM power communication module oriented to the autopilot network of claim 4, wherein the protocol architecture layer of the Sub-6GHz radio frequency chip comprises an SDAP service data adaptation layer, and the SDAP service data adaptation layer is used for performing QoS Flow to DRB mapping on uplink and downlink data.
6. The eSIM power communication module of claim 5, wherein the eSIM chip is embedded, and wherein the system of eSIM chips comprises:
a) One or more subscription profiles;
b) The eUICC manufacturer;
c) Subscription manager-secure routing;
d) Subscription manager-data preparation;
e) A mobile network operator;
f) A GSMA certificate issuer.
7. The eSIM power communication module for the autopilot network as recited in claim 6, further comprising an eSIM management module, wherein the eSIM management module is connected to the eSIM chip, the eSIM management module is further connected to the CPU unit, and the eSIM management module is configured to register, manage, and configure esims.
8. The eSIM power communication module of claim 7, further comprising a configuration management module configured for basic configuration maintenance, log requests, OTA requests, and alert queries for a 4G/5G module.
9. The eSIM power communication module for the autopilot network as recited in claim 8, wherein the configuration management module is further configured to query the operating status and maintain the operating mode of the 4G/5G module.
10. The eSIM power communication module for an autopilot network as recited in claim 9 wherein the configuration management module is further configured to query information and profile management for the 4G/5G module.
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