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Resource Block & Physical Resource Block in LTE

Resource Block & Physical Resource Block in LTE What is Resource block in lte? :- A resource block is the smallest unit of resources which allocated to a user. The resource block is 1 slot long in time and 180 kHz wide in frequency. Resource Block Multiplex multiple users both in time and frequency, together … Read more

Traffic Operation Overview in LTE

In LTE (Long-Term Evolution), traffic operations involve the management of data traffic within the network, ensuring efficient communication between User Equipment (UE) and the Evolved Packet Core (EPC). Here’s an overview of traffic operations in LTE: Data Transmission: LTE supports high-speed data transmission, enabling a variety of services such as web browsing, video streaming, and … Read more

Radio Bearer in LTE

Radio Bearer in LTE In Long-Term Evolution (LTE) wireless communication, a “Radio Bearer” serves as a crucial link between the user equipment (UE) and the evolved NodeB (eNodeB), facilitating the exchange of data. Radio Bearers are classified into two main categories: Control Radio Bearers (CRBs) and Data Radio Bearers (DRBs). CRBs are responsible for transmitting … Read more

What is EPS Bearer in LTE?

Eps bearer LTE EPS is a connection-oriented transmission network and, as such, it requires the establishment of a “virtual” connection between two endpoints (e.g. a UE and a PDN-GW) This virtual connection is called an “EPS Bearer” It provides a “bearer service”, i.e. a transport service with specific QoS attributes. The LTE QoS parameters associated … Read more

Implementation Margin in LTE

Implementation margin is used to include non-ideal receiver effects such as channel estimation errors, tracking errors, quantization errors, and phase noise.  This implementation margin or sensitivity degradation can be used to apply some margin to the link budget to account for devices from other vendors that may have larger tolerances from the specifications or for … Read more

MIMO & Cell Traffic in LTE

The Tx Div can be applied on all the physical channels: Physical DL Shared Channel (PDSCH) Physical Broadcast Channel (PBCH) Physical Control Format Indicator Channel (PCFICH) Physical Downlink Control Channel (PDCCH) The other MIMO schemes are only applicable to the PDSCH Like the MIMO required a UE-specific feedback (RI and PMI), it is not possible … Read more

QoS Parameters of LTE

The QoS Class Identifier (QCI) is a scalar that is used as a reference to access node-specific parameters that control bearer level packet forwarding treatment (e.g. scheduling weights, admission thresholds, queue management thresholds, link layer protocol configuration, etc.). The Allocation and Retention Priority (ARP) primarily allows one to decide whether a bearer establishment request can … Read more

Inter Modulation Interference for LTE

When multiple strong signals with different frequencies enter a receiver at the same time, the inter modulation product at the receiver is generated by the signals by the front end due to the non-linear circuit of the receiver. Unfortunately, the frequency of the inter modulation product drops into the useful frequency band of the receiver … Read more

UE Capability and Cell site relation to traffic in LTE

UE Capability It is important to remember that the composition and penetration of various UE types will also have an impact on the final achievable cell throughput level. A high concentration of relatively low end UEs will result in low resources utilization efficiency, thereby bringing down the overall cell throughput. This will certainly be depending … Read more