When applied to a wireless signal using digital signal processing, channel emulation makes the signal appear as though it has traversed a realistic indoor or outdoor space, having been reflected from walls, cars, people or other surfaces. With octoFade, channel emulation can be integrated into wireless test equipment such as vector signal generators (VSG) and base-station emulators. octoFade implements channel models defined by standards bodies such as IEEE 802.11 and 3GPP. These channel models emulate the effects of multipath and Doppler fading occurring in typical indoor and outdoor environments.
octoFade is the first computational subsystem of a MIMO wireless channel emulator being offered stand-alone for integration into test instruments or testbeds. octoFade-3GPP is an RTL solution that implements standards-based 2G/3G/LTE channel models (802.11n/ac models to be added soon). octoFade-module is a PCIe based FPGA board running octoFade-3GPP RTL in a PC system. A powerful applications programming interface (API) lets engineers and integrators configure octoFade logic with 3GPP certification channel models. Engineers can also configure octoFade with custom channel models.
octoFade-3GPP RTL and octoFade-module hardware can be easily integrated with test equipment, such as base station emulators or VSGs, thereby enabling these instruments to also serve as channel emulators, saving end-users the cost of expensive stand-alone channel emulators.
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