Oct 12, 2022 · 3 min read · OFDM: Orthogonal frequency-division multiplexing It is a method of data transmission where a single information stream is split among several closely spaced narrowband subchannel frequencies instead of a single Wideband channel frequency. It is an e...
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Sep 29, 2022 · 3 min read · PDU Session: (Protocol Data Unit) A PDU Session provides connectivity between applications on a UE and a DN such as the 'Internet' or private corporate networks. PDU Session Establishment: PDU session occurs when: a new PDU session is created a PDU ...
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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 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 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 discussionApr 28, 2022 · 13 min read · This is an overview of the 5G NR (New Radio) call flow, detailing the sequence of procedures involved in establishing, maintaining, and releasing a connection between the User Equipment (UE) and the 5G core network. It covers key steps such as initia...
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