5G NR Antenna Port – Logical and Physical Antenna Mapping
Downlink multi-antenna transmission is a key technology of 5G NR. Signals transmitted from different antennas ports will experience different “radio...
Category: LTE
What is eCPRI, how it contributes to 5G and Open RAN?
The Common Public Radio Interface (CPRI) is an industry cooperation aimed at defining publicly available specifications for the key internal...
5G NR Global Unique Temporary Identifier (GUTI)
5G Global Unique Temporary Identifier [5G – GUTI] is a core network temporary identifier and allocated by Access and Mobility...
5G NR Transmitted Signal Quality : Frequency Error [Fe]
Transmitted signal quality specify how much the transmitted signal deviated from an ideal signal in terms of frequency domain, timer...
Motivation Behind Having Multiple Numerology in 5G NR
Talking about numerology, as we know LTE has single subcarrier spacing equal to 15khz, but here in NR, we have...
5G NR Standardized QoS Identifier (5GQI) to QoS Characteristics Mapping
Standardized 5G QoS Identifier (5QI) values are specified for services that are assumed to be frequently used in 5G networks...
5G NR QoS characteristics
5G QoS characteristics describe the packet forwarding treatment that a QoS Flow receives edge-to-edge between the UE and the UPF...
Narrow Band IoT- Signalling Radio Bearers (SRBs)
Signalling Radio Bearers (SRBs) are the Radio Bearers (RBs) that are used by UE for transmitting and receiving RRC messages...
Features Comparison: NB-IoT UE Vs LTE UE
Table here list the features comparison between Narrow Band (NB) – IoT UE and Long Term Evolution (LTE) UE Features...
What is directivity in a coupler ?
Directional couplers are four-port circuits where a defined amount of the electromagnetic power fed at the input port in a...