Overview
ISO/IEC 26907:2009 - "Information technology - Telecommunications and information exchange between systems - High-rate ultra-wideband PHY and MAC standard" - defines a distributed MAC sublayer and physical layer (PHY) for high-rate Ultra-Wideband (UWB) wireless networks. Published as the second edition in 2009, this ISO/IEC standard specifies PHY partitioning, PLCP/PMD sublayers, interface primitives, timing and signalling, and management entities for reliable high-throughput short-range wireless links.
Key topics and technical requirements
The standard covers detailed PHY and MAC design and conformance items, including:
- PHY architecture and partitioning: PLCP (Physical Layer Convergence Protocol), PMD (Physical Medium Dependent) and PLME (PHY layer management entity).
- Modulation and framing: OFDM-based signal description, constellation mapping (e.g., QPSK, dual-carrier modulation), PLCP preambles, headers, PSDU and PPDU structure.
- Timing and channelization: operating band ranges, channel definitions, interframe spacing, turnaround times and band switch timing.
- Transmitter and receiver specs: transmit PSD mask, frequency and clock tolerances, transmit power control, receiver sensitivity, CCA performance, LQI and RSSI metrics.
- MAC functionality: distributed MAC architecture, device addressing, MUX sublayer, frame formats (beacon, control, data, aggregated frames) and Information Elements (IEs).
- Management interfaces and primitives: PHY SAP, PLME SAP, MAC SAP, MLME operations (scan, beaconing, reservation management) and MIB management primitives.
- Security and keys: primitives for PTK and GTK handling, temporal key updates and security violation reporting.
- Ranging and location awareness: PHY-level ranging resources and operations for location-aware applications.
- Testing and conformance: test vectors and policies to validate implementations.
Applications and who uses this standard
ISO/IEC 26907:2009 is targeted at professionals designing and validating high-rate UWB systems:
- Chipset and device manufacturers implementing UWB PHY/MAC stacks.
- Firmware and driver developers for wireless consumer electronics, multimedia streaming, wireless docking and WPAN products.
- System integrators and network architects deploying short-range high-throughput links.
- Test labs and certification bodies performing conformance, transmitter/receiver and ranging tests.
- Standards bodies and regulators referencing PHY/MAC requirements for UWB spectrum use.
Keywords: ISO/IEC 26907:2009, high-rate ultra-wideband, UWB PHY, UWB MAC, OFDM, PLCP, PMD, ranging, WPAN, PHY/MAC standard.
Related standards
Related work includes other ISO/IEC and industry standards addressing UWB PHY/MAC and WPAN interoperability, as well as regulatory guidelines for UWB spectrum emissions and device certification.