Essays about: "channel estimation in lTE"

Showing result 1 - 5 of 20 essays containing the words channel estimation in lTE.

1. 1. Cross-subframe channel estimation for low-complexity devices in LTE

   University essay from KTH/Teknisk informationsvetenskap

   Author : Hugo Lime; [2017]
   Keywords : ;

   Abstract : One of the most critical issues of wireless communication systems is the timevaryingand frequency-selective channel. Knowledge about the channel greatlyimproves communication performance. It enables coherent demodulation andmeasurements of Signal to Noise Ratio (SNR) and Channel Quality Indicators(CQI). READ MORE

3. 2. Wireless system design : NB-IoT downlink simulator

   University essay from Uppsala universitet/Signaler och System

   Author : Piotr Krasowski; Douglas Troha; [2017]
   Keywords : nb-iot; lte; lte-a; downlink; simulator; wireless;

   Abstract : The newly defined NB-IoT standard currently lacks a toolkit and simulator. In order to develop algorithms for this new standard there is a need for channels and signals as reference during tests. MATLAB is commonly used for testing LTE signals and therefore the toolkit was developed in this environment. READ MORE

4. 3. Fundamental Performance Limits on Time of Arrival Estimation Accuracy with 5G Radio Access

   University essay from KTH/Teknisk informationsvetenskap

   Author : Dehan Luan; [2017]
   Keywords : ;

   Abstract : 5G radio access technology stimulates new use cases and emerging businessmodels, evolving the world to become a fully mobile and connected networksociety, expected to be operational by 2020. To enable ultra-high reliable andhighly precise features, there are more stringent positioning accuracy requirementsfor location based services and E911 emergency calls, targeting at bothindoor and outdoor users which include humans, devices, vehicles and machines. READ MORE

5. 4. Enhancements in LTE OTDOA Positioning for Multipath Environments

   University essay from Linköpings universitet/Kommunikationssystem

   Author : Ivar Olofsson; [2016]
   Keywords : positioning; TDOA; NLOS bias; multiple TOA candidates; probabilistic method; ML estimation; LTE; simulation;

   Abstract : By using existing radio network infrastructure, a user can be positioned even where GPS and other positioning technologies lack coverage. The LTE Positioning Protocol (LPP) supports user Reference Signal Time Difference (RSTD) reports based on the Time of Arrival (TOA) for a Positioning Reference Signal (PRS). READ MORE

6. 5. Design and implementation of LTE-A and 5G kernel algorithms on SIMD vector processor

   University essay from KTH/Radio Systems Laboratory (RS Lab)

   Author : Jiabing Guo; [2015]
   Keywords : channel estimation; MIMO detection; massive complex matrix inversion; SIMD; kanaluppskattning; MIMO-detektion; massiva komplex matrisinversion; SIMD;

   Abstract : With the wide spread of wireless technology, the time for 4G has arrived, and 5G will appear not so far in the future. However, no matter whether it is 4G or 5G, low latency is a mandatory requirement for baseband processing at base stations for modern cellular standards. READ MORE