name: MAC
full_form: Medium Access Control
context: When a reconfiguration of the MAC entity is requested by upper layers, the MAC entity shall: - upon addition of an SCell, initialize the corresponding HARQ entity; - upon removal of an SCell, remove the corresponding HARQ entity; - for timers apply the new value when the timer is (re)started; - when counters are initialized apply the new maximum parameter value; - for other parameters, apply immediately the configurations received from upper layers.
description: The Medium Access Control (MAC) entity is a protocol layer responsible for managing access to the shared medium in wireless communication systems. It plays a crucial role in coordinating data transmission and reception between different devices, ensuring efficient use of the available bandwidth. In the context provided, the MAC entity is involved in reconfiguration processes initiated by upper layers, which includes tasks such as initializing or removing HARQ entities associated with Secondary Cells (SCells), updating timer values, resetting counters, and applying new parameter configurations.
explanation: MAC is classified as a Protocol because it defines the rules for accessing the medium and managing data transmission in wireless networks. The provided context highlights its role in reconfiguration processes, which is a key aspect of MAC's functionality in ensuring seamless communication.
section_title: 5.8 MAC reconfiguration
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biotag_Description: O,B-Protocol,I-Protocol,I-Protocol,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Protocol,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Protocol,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O