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The SCA is published by the Joint Tactical Networking Center (JTNC). This architecture was developed to assist in the development of Software Defined Radio (SDR) communication systems, capturing the benefits of recent technology advances which are expected to greatly enhance interoperability of communication systems and reduce development and deployment costs.
Ultra-wideband (UWB, ultra wideband, ultra-wide band and ultraband) is a radio technology that can use a very low energy level for short-range, high-bandwidth communications over a large portion of the radio spectrum. The following is a list of devices that support the technology from various UWB silicon providers.
the 3GPP 5G NR (New Radio) fifth generation mobile network standard downlink and uplink. 5G NR is the successor to LTE. the now defunct Qualcomm/3GPP2 Ultra Mobile Broadband (UMB) project, intended as a successor of CDMA2000, but replaced by LTE. OFDMA is also a candidate access method for the IEEE 802.22 Wireless Regional Area Networks (WRAN).
The Galileo Navigation System, the GLONASS System, and the BeiDou systems use the L band similar to GPS, although the frequency ranges are named differently. Modern receivers, such as those found in smartphones , are able to take advantage of multiple systems (usually only around the oldest L1 band) at the same time.
Motorola Edge 50 Ultra (Moto X50 Ultra in China), Motorola Razr 50 Ultra/Razr+ (2024) Poco F6 (Redmi Turbo 3 in China) • Redmi Turbo 3 Harry Potter Edition; Realme GT 6 (Global), GT Neo6 • Sharp Aquos R9 Pro; Xiaomi 14 Civi (Civi 4 Pro in China), Pad 7 Pro; Snapdragon 8 Gen 3 [296] (SM8650-AB) Q4 2023
A network of base stations communicates with the Internet, or a private network, to pass information from devices to a computer system; and data back to the devices. The downlink to devices uses time slots (TDMA), and the uplink to the base station is divided into sub-channels so that several devices can communicate with the base station.
Ultra-wideband impulse radio ranging (or UWB-IR ranging) is a wireless positioning technology based on IEEE 802.15.4z standard, [1] which is a wireless communication protocol introduced by IEEE, for systems operating in unlicensed spectrum, equipped with extremely large bandwidth transceivers.
Chirp spread spectrum was originally designed to compete with ultra-wideband for precision ranging and low-rate wireless networks in the 2.45 GHz band. However, since the release of IEEE 802.15.4a (also known as IEEE 802.15.4a-2007), it is no longer actively being considered by the IEEE for standardization in the area of precision ranging.
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