NB-IoT Service-Specific Paging for Resource Optimization
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Solution Overview
Problem
Current Narrowband IoT technologies lack mechanisms to efficiently optimize resource usage during group message delivery, leading to unnecessary power consumption and signaling bandwidth usage, as devices that do not support a specific service are awakened and respond to messages intended for other services.
Innovation Solution
Implementing service awareness in the Narrowband IoT network by modifying various interfaces and nodes to include service information in messaging protocols, allowing only devices supporting the specified service to respond to messages, thereby reducing unnecessary wake-ups and resource usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If group message delivery is sent to all narrowband IoT devices in the network, then the IoT application server can initiate communications with all devices, but unnecessary power consumption occurs and battery life is reduced due to waking up devices that do not support the service
Solution Approach 1:
The patent segments the group message delivery by introducing service-specific identifiers (service IDs) that divide the broadcast message into service-relevant segments. Each IoT device can selectively process only the service segments it supports, rather than being forced to wake up for all services. This is implemented by modifying the paging message to include service ID fields and having devices filter messages based on their supported services.
Solution Approach 2:
The patent applies partial action by allowing IoT devices to perform selective wake-up based on service relevance. Instead of requiring full wake-up for all group messages, devices only partially activate their processing capabilities when they detect service-matching messages, reducing overall power consumption while maintaining necessary communication functionality.
2Ease of operation
If group message delivery is sent to all narrowband IoT devices in the network, then the IoT application server can initiate communications with all devices, but signaling bandwidth is unnecessarily consumed when devices that do not support a given service respond to the message
Solution Approach 1:
The patent segments the signaling traffic by introducing service-specific identifiers that divide the broadcast message into service-relevant segments. Each IoT device can selectively process only the service segments it supports, rather than being forced to wake up for all services. This is implemented by modifying the paging message to include service ID fields and having devices filter messages based on their supported services.
Solution Approach 2:
The patent applies partial action by allowing IoT devices to perform selective wake-up based on service relevance. Instead of requiring full wake-up for all group messages, devices only partially activate their processing capabilities when they detect service-matching messages, reducing overall power consumption while maintaining necessary communication functionality.
3Use of energy by moving object
If service awareness is implemented in paging for IoT devices during group message delivery, then unnecessary wake-ups are avoided, but device complexity increases due to the need to decode and process service information parameters
Solution Approach 1:
The patent applies preliminary action by pre-configuring IoT devices with service identifier information during device onboarding and registration. The network stores and retrieves service capability information in advance, so devices don't need to perform complex real-time analysis of service compatibility. This pre-established service profile allows devices to quickly match incoming messages against their pre-known service list, reducing processing complexity.
Solution Approach 2:
The patent changes the message parameter structure by introducing standardized service ID fields in paging messages. Instead of requiring devices to perform complex service capability matching, the system transforms the service compatibility check into a simple parameter comparison task. Devices only need to compare the service ID in the message against their pre-configured service list, significantly reducing processing complexity.
Data Source
AI summary
According to one aspect, the subject matter described herein includes a method for service-specific group message delivery to narrowband Internet of things (IoT) devices. The method includes operations performed by a network node including at least one processor. The operations include receiving, on a first interface, a request for service-specific group message delivery to narrowband IoT devices supporting a specified service. The operations further include generating, by the network node, a message for service-specific group message delivery for transmission on a second interface, the message including a NB-IoT service information parameter for identifying a narrowband IoT service provided by the narrowband IoT devices supporting the specified service. The operations further include transmitting, from the network node and on the second interface the message for service-specific group message delivery to narrowband IoT devices.