name: DSP
full_form: Domain Specific Part
context: Let T0 stands for the initial transmitting time and Tc stands for the samples period. Time synchronization consists on finding these two values. Tc value is supposed to be known since it corresponds to a system parameter. Due to several impairments, a shift in Tc value may occur, a tracking mechanism must be applied. The most general method for time synchronization is done by fulfilling an auto-correlation over the received signal with a length equal to the cyclic prefix length. Since the cyclic prefix is a copy of the last part of the OFDM symbol, the autocorrelation will present a peak when it is done between the cyclic prefix (which is located at the beginning of the OFDM symbol) and the last part of the same OFDM symbol of the same length. This allows the detection of the beginning of the OFDM symbol. Time synchronization tracking is done by the same technique. But in this case, there is no more need to fulfill correlation over the whole OFDM symbol. Only a correlation between the
description: The Domain Specific Part (DSP) is a component of the Network Service Access Point (NSAP) structure, which is used to convey IP addresses in RANAP, RNSAP, and NBAP. The DSP is the remaining octets after the Initial Domain Part (IDP), as specified in IETF RFC 4548. It plays a crucial role in determining the network type and encapsulating native IPv6 or IPv4 addresses within the NSAP structure.
explanation: The context describes the DSP as a specific part of the NSAP structure used to carry IP addresses within telecommunications protocols like RANAP, RNSAP, and NBAP. This function directly relates it to the category of 'Parameter' as it defines a specific value or component within a larger system.
section_title: 6.1.8.2	Transport Network Identifiers
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