The rapid development of the Internet of Things has also placed new demands on communication technologies. On June 13, 2016, the ZigBee Alliance released the low-power industrial IoT wireless mesh network JupiterMesh technology at the member conference. What are the features of the newly released JupiterMesh? What are the challenges for future development?
Development of JupiterMesh technology
JupiterMesh was born in the development of the ZigBee Alliance's stakeholder consensus standard, and development work was done by relevant members of the ZigBee Alliance, including Analog Devices, ARM, Atmel (Microchip Technology). )), Exegin, Itron, Kroger, Landis+Gyr, NXP (R), Renesas Electronics, and Core ( Silicon Labs), Texas Instruments, Trilliant, and Vencore Labs (aka Applied Communica TIon Sciences (ACS)).
What is JupiterMesh technology?
JupiterMesh is a powerful low-power industrial IoT wireless mesh network. The technical specification is based on open IETF and IEEE standards and involves advanced technologies such as IPv6, frequency hopping, multi-band operation, authentication, encryption and key management. With flexible data rates, it provides neighborhood and field communications for utilities and cities deploying smart grids and smart city solutions.
JupiterMesh offers a complete solution package including:
• Technical Summary Specification detailing the requirements for existing open standards for OSI Levels 1 to 4, including:
IEEE 802.15.4e and IEEE 802.15.4g for Media Access Control (MAC) and Physical Layer (PHY), including CSMA or TSCH modes of operation, to ensure optimal performance for different use cases;
IETF network and application protocols, such as IPv6, 6LoWPAN, UDP, TCP, RPL, CoAP and other protocols with multicast capabilities, ensure Internet-based machine-to-machine performance on the mesh network;
ETF security protocols such as PANA, EAP-TLS and HIP-DEX for network access authentication and key distribution, and message authentication and encryption based on AES-128-CCM;
Sub-1 Gigahertz and 2.4 GHz ISM bands and multiple modulation techniques (FSK, O-QPSK, OFDM) ensure global compliance and acceptance.
• Specification verification, conformance testing, interoperability verification, certification programs, and a global network of testing organizations.
· Brand identity and commercial guarantee for stakeholder promotion activities
JupiterMesh defines Layers 1 through 4 of the Open Systems Interconnection (OSI) model, providing a standard IPv6 interface layer that transports existing metering communication protocols (eg IEC TC13 global deployment and highly interoperable DLMS/COSEM, ANSI C12, OpenADR) , GOOSE, IEC 61850 and DNP3) and IP-based applications for specific solutions.
JupiterMesh meets industry needs, providing higher data rates for smart meters, lower latency and bandwidth management for demanding smart grid applications, security and reliability for critical industry needs, and battery-powered terminals node.
Key technologies related to JupiterMesh
Wireless Mesh network (wireless mesh network), also known as "multi-hop (mulTI-hop)" network, consists of mesh routers (routers) and mesh clients (clients), where mesh routers constitute the backbone network, and wired internet The network connection is responsible for providing multi-hop wireless internet connection for mesh clients. Wireless mesh network is a new network structure based on multi-hop routing and peer-to-peer network technology. It has the characteristics of mobile broadband, and it can dynamically expand itself, self-organizing network, self-management, automatic repair and self-balancing.
IEEE 802.15.4e is the core standard approved in 2012, supporting channel hopping and variable time slot selection to provide a more stable link, the main goal is to apply in the industrial field.
IEEE 802.15.4g is designed for Smart UTIlity Networks (SUN) and is an acronym for the name of the Wi-SUN Alliance. The 802.15.4g is designed for deployments that may have millions of nodes, enabling maximum deployment and minimal infrastructure in a point-to-point automated repair mesh network.
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