May 21, 2022 · 6 min read · The MAC layer is responsible for the construction of the transport block, and this includes both the data and control elements. The job of the PHY layer is to transmit the transport block over the wireless channel as efficiently as possible. The PHY ...
Join discussionMay 14, 2022 · 2 min read · Functions of the MAC: Logical channel multiplexing Hybrid ARQ retransmission Scheduling Multiplexing/demultiplexing for CA(Carrier Aggregation) MAC layer provides services to the RLC layer in the form of logical channels and takes the services...
Join discussionMay 14, 2022 · 8 min read · The resources are dynamically allocated to the different users in a more efficient manner. This type of transmission takes place through shared channels. The job of the Scheduler is to determine which devices should use which time, frequency and ante...
Join discussionMay 13, 2022 · 6 min read · Functions of RLC : Segmentation ARQ — retransmission RLC modes: Different services have different requirements. For example, during transfer of large files, error free delivery of data is important whereas for other applications, for example stre...
Join discussionMay 12, 2022 · 7 min read · Functions of NAS The NAS control plane functionality operates between AMF in the core network and the device, it includes functions that support authentication process, security-related procedures, IDLE mode procedures such as paging, and responsible...
Join discussionMay 11, 2022 · 4 min read · Functions of PDCP: Header Compression Ciphering and Integrity protection Routing and duplication of split bearers In sequence delivery Header Compression For small packets like voice packets or acknowledgment packets, the header itself as long...
Join discussionMay 10, 2022 · 5 min read · To support the different kinds of traffic such as steady traffic in voice calls, burst traffic in broadband, a large no of devices in massive MTC, and low latency and high-reliability traffic in URLLC, the 5G network should be able to support many di...
Join discussionMay 9, 2022 · 3 min read · Each layer provides the services to the layers above and consumes the services of the layers below. PHY Layer: Mapping of data in transport blocks Responsible for efficiently transmitting over a wireless channel Channel coding: to protect digital ...
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