FDD and TDD are two fundamental concepts in mobile communications and other telecom systems. Together they represent the duplexing schemes in mobile networks that deal with two-way communication. FDD (Frequency Division Duplex) is a technique in mobile networks that uses separate frequency bands for uplink and downlink communication; TDD (Time Division Duplex) is a technique …
FDD vs TDD: What are FDD and TDD in mobile networks? Read More »
Multi-User MIMO (MU-MIMO) and Single-User MIMO (SU-MIMO) are two antenna technologies used in modern wireless networks, including 4G and 5G mobile networks. While both MU-MIMO and SU-MIMO are part of the overall Multiple Input Multiple Output (MIMO) technology, there are key differences between the two that we will cover in this post. MU-MIMO uses radio …
Difference between MU-MIMO and SU-MIMO in mobile networks Read More »
Spatial multiplexing and spatial diversity are two radio communication techniques used in modern antenna systems in 4G LTE and 5G NR networks. Both these techniques play essential but separate roles in the MIMO (Multiple Input Multiple Output) antenna systems. Spatial diversity is a technique in MIMO that reduces signal fading by sending multiple copies of …
Is spatial multiplexing different from spatial diversity? Read More »
The cellular antenna technologies have evolved considerably since the introduction of 4G LTE networks that employ the MIMO (Multiple Input Multiple Output) antenna systems. The latest generation of mobile networks, 5G NR, also uses the MIMO technology. MIMO is a modern antenna technology that employs multiple antennas at the transmitter and the receiver in 4G …
MIMO, Massive MIMO, Spatial Multiplexing and Beamforming Read More »
Modern cellular networks, including 4G LTE and 5G NR, use various technologies to improve data rates and signal quality for mobile phone users. MIMO and Carrier Aggregation are two such technologies that enhance the overall network capacity and coverage to deliver higher throughput and better radio link quality. MIMO (Multiple Input Multiple Output) combines signals …
What is the difference between MIMO and carrier aggregation? Read More »
Mobile networks today use advanced antenna systems that make use of multi-antenna technologies. MIMO, SISO, SIMO and MISO are types of antenna systems where SISO is the most basic and MIMO is the most advanced form of the radio communication link between the transmitter and the receiver. MIMO is an advanced antenna system that uses …
Difference between MIMO, SISO, SIMO and MISO antenna systems Read More »
Antenna diversity and MIMO (Multiple Input Multiple Output) are two technology concepts frequently used in mobile communications. Antenna diversity is a more fundamental concept, whereas MIMO is an antenna technology that benefits from antenna diversity. Antenna diversity is a technique in mobile networks that improves the radio link reliability through multiple antennas at the transmitter …
Diversity vs MIMO: Is antenna diversity the same as MIMO? Read More »
MU-MIMO or Multi-User MIMO or Multi-User Multiple Input Multiple Output is a type of antenna technology that spreads the benefits of MIMO to multiple simultaneous users. While MIMO (Multiple Input Multiple Output) has existed in the mobile communications industry since HSPA+ (HSPA Evolution), MU-MIMO is part of 4G LTE and is also used in 5G …
DSS or Dynamic Spectrum Sharing is a term used in the context of 5G New Radio (NR) mobile networks. It deals with the sharing of the radio frequency spectrum between 4G LTE and 5G NR networks. Dynamic Spectrum Sharing (DSS) is a technology that allows 5G networks to use the 4G LTE frequency spectrum by …
What 5G Dynamic Spectrum Sharing (DSS) means for 4G LTE Read More »
The fifth-generation (5G) mobile networks use a range of technologies to provide a much better experience to customers than the earlier 4G LTE networks. MIMO – Multiple Input Multiple Output is an antenna technology that is used in 4G LTE networks, but its enhanced version, Massive MIMO, is an essential building block in the 5G …
What is 5G Massive MIMO technology and how does it work? Read More »
