Notes - MIECT
Redes E Sistemas Autónomos
Notes - MIECT
Redes E Sistemas Autónomos
  • Redes e Sistemas Autónomos
  • Peer-to-Peer Systems and Networks
    • Content Distribution Networks
    • Peer-to-peer networks
      • Types
    • Structured vs Unstructured
    • Fully Decentralized Information System
    • FastTrack/KaZaA
    • OpenNAP/Napster
    • BitTorrent
  • InterPlanetary File System (IPFS)
    • IPFS
      • Bitswap
    • Connecting an IPFS node to the P2P network
    • Searching in DHTs (Structured)
    • File Search
    • Security
  • Ad-Hoc Networks
    • Mobile Ad-hoc networks
    • Application Scenarios
    • Routing
      • AODV - Ad Hoc On-Demand Distance Vector Routing
      • OLSR - Optimized Link State Routing Protocol
      • LAR – Location Aided Routing
      • Batman
    • IP Address Assignment
  • Self-organized systems: Data, learning and decisions
    • Use Cases and Data
    • Machine Learning
      • Supervised Learning
      • Neural Networks
      • Reinforcement Learning
      • Unsupervised Learning: K-means
    • Learning
  • Vehicular Networks
    • Vehicular Ad Hoc Networks
    • How do they work?
    • SPAT: Signal Phase And Timing
    • MAP: MAP
    • Manoeuvre Coordination Message (MCM)
    • Communication Technologies
  • QoS and Security
    • TCP- and UDP-based applications
      • TCP-Cubic
    • QUIC
    • TCP-Vegas
    • Classification of Transport protocols
    • Exploiting Buffering Capabilities
    • QoS in UDP: trade-offs
    • Transmission Quality (Batman v.3)
    • QoS-OLSR
    • Security
      • Key Management
      • RSA (Rivest-Shamir-Adleman) Key
      • Key Management in ad-hoc networks
      • Self-organized public key management (SOPKM)
      • Self-securing ad-hoc wireless networks (SSAWN)
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  • State diagram
  • They can be used virtually
  1. Vehicular Networks

SPAT: Signal Phase And Timing

PreviousHow do they work?NextMAP: MAP

Last updated 1 year ago

Defines an open interface for two-way communication between traffic signal controllers and mobile devices.

Current movement state of each active phase.

  • Safety applications, such as warnings and alerts for crash avoidance, and red light violations.

  • Mobility applications to enable dynamic and efficient traffic management.

  • Environment applications that allow savings in fuel consumption and reduction in CO2 emissions.

The current state of all lanes at the intersection is provided, as well as any active preemption or priority.

Intersection state.

Movement state:

  • Lane set (lanes 9-10 are for movement state 1).

  • Current state (green, yellow, red).

  • Time until the current signal state changes.

Used in cooperation with a map.

State diagram

They can be used virtually