This book discusses single-channel, device-to-device communication in the Internet of Things (IoT) at the signal encoding level and introduces a new family of encoding techniques that result in significant simplifications of the communication circuitry. These simplifications translate into lower power consumption, smaller form factors, and dynamic data rates that are tolerant to clock discrepancies between transmitter and receiver. Readers will be introduced to signal encoding that uses edge-coded signaling, based on the coding of binary data as counts of transmitted pulses. The authors fully explore the far-reaching implications of these novel signal-encoding techniques and illustrate how their usage can help minimize the need for complex circuitries for either clock and data recovery or duty-cycle correction. They also provide a detailed description of a complete ecosystem of hardware and firmware built around edge-code signaling. The ecosystem comprises an application-specific processor, automatic protocol configuration, power and data rate management, cryptographic primitives, and automatic failure recovery modes. The innovative IoT communication link and its associated ecosystem are fully in line with the standard IoT requirements on power, footprint, security, robustness, and reliability.
Messianic Hopes and Mystical Visions tells the story of the Nurbakhshiya, an Islamic messianic movement that originated in fifteenth-century central Asia and Iran and survives to the present in Pakistan and India. In the first full-length study of the sect, Shahzad Bashir illumines the significance of messianism as an Islamic religious paradigm and illustrates its centrality to any discussion of Islamic sectarianism. By tracing Nurbakhshi activity in the Middle East and central and southern Asia through more than five centuries, Bashir brings to view the continuities and disruptions within Islamic civilization across regions and over time. Bashir effectively captures the way Nurbakhshis have understood and debated the meaning of their tradition in various geographical and temporal contexts. Bashir provides a detailed biography of the movement's founder, Muhammad Nurbakhsh (d. 1464). Born to a Twelver Shi'i family, Nurbakhsh declared himself the mahdi, or the Muslim messiah, as an adept of the Kubravi Sufi order under the influence of the teachings of the great Sufi master Ibn al-'Arabi (d. 1240). Nurbakhsh's religious worldview, which Bashir treats in depth in this volume, offers a
This book discusses single-channel, device-to-device communication in the Internet of Things (IoT) at the signal encoding level and introduces a new family of encoding techniques that result in significant simplifications of the communication circuitry. These simplifications translate into lower power consumption, smaller form factors, and dynamic data rates that are tolerant to clock discrepancies between transmitter and receiver. Readers will be introduced to signal encoding that uses edge-coded signaling, based on the coding of binary data as counts of transmitted pulses. The authors fully explore the far-reaching implications of these novel signal-encoding techniques and illustrate how their usage can help minimize the need for complex circuitries for either clock and data recovery or duty-cycle correction. They also provide a detailed description of a complete ecosystem of hardware and firmware built around edge-code signaling. The ecosystem comprises an application-specific processor, automatic protocol configuration, power and data rate management, cryptographic primitives, and automatic failure recovery modes. The innovative IoT communication link and its associated ecosystem are fully in line with the standard IoT requirements on power, footprint, security, robustness, and reliability.
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