Low Power Ultra-wideband (UWB) IP

Overview

The UWB platform cuts the development time and risk for implementing a wide range of UWB functionality in SoCs. It provides optimized MAC and PHY hardware IP and supporting software for secure and accurate ranging, and Doppler Radar presence detection applications. It can be implemented in an SoC independently or in conjunction with the Ceva-Waves Bluetooth platform, as well as part of the Ceva-Waves Links family of multiprotocol platforms.

The Solution

The UWB platform includes hardware IP for an optimized UWB MAC and PHY meeting 802.15.4 HRP, FiRa 3.0, and the Car Connectivity Consortium Digital Key 3.0 (CCC DK3.0) requirements. The platform includes advanced Wi-Fi interference suppression.

A comprehensive suite of CPU-agnostic software stacks that support FiRa 3.0 MAC, CCC DK3.0 MAC, and radar for implementing applications such as automotive digital keys and in-cabin child-presence detection (CPD), general power-saving presence detection in laptops, TVs and smart buildings, asset tracking tags, real-time location services (RTLS), and tap-free payment.

Key Features

UWB MAC and PHY IP with support of enhanced ranging and security based on IEEE 802.15.4z HRP in accordance with FiRa 2.0 and CCC Digital Key 3.0 requirements
UWB Doppler Radar support for automotive in-cabin Child Presence Detection (CPD) and general Human Presence Detection (HPD)
Low power hardware PHY, implementing a high sensitivity coherent receiver with power optimized synchronization and advanced Wi-Fi interference suppression
PHY supports centimeter-level accuracy for ranging and angle-of-arrival (AoA) estimation using multiple antennas
Portable MAC layer software, with hardware offloading for encryption/authentication (CCM AES) and key management, autonomous ACK handshaking and other real-time-critical operations
Supports secured data transfer up to 27Mbps using pulse based ultra-wideband communication with 500 MHz bandwidth
Flexible low power modes applicable to FiRa and CCC ranging scenarios
Easy interface to Ceva NPU and DSP cores, and Ceva-partner or third-party radios

Benefits

With proven MAC and PHY hardware IP and a wide range of application software, the UWB platform provides a fast, reliable route to FiRa and CCC UWB functionality in an SoC, separately or in conjunction with Ceva-Waves Bluetooth.
In the latter configuration, operation of the two platforms can be orchestrated to minimize power consumption over long operating periods. The platform complies with major standards such as FiRa 2.0 and CCC DK 3.0. An optimized hardware and software architecture assures precise and robust location and radar data sufficient to detect human respiration remotely even in the presence of complex multipath environments and strong Wi-Fi signals.

Block Diagram

Technical Specifications

Foundry, Node

any

TSMC

Pre-Silicon: 130nm G

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