Essays about: "open loop power control"

Showing result 6 - 9 of 9 essays containing the words open loop power control.

1. 6. Design of a Real-Time Model of a Photovoltaic Panel

   University essay from KTH/Elektrisk energiomvandling

   Author : Markus Fjällid; [2015]
   Keywords : Power electronics; Photovoltaic panel; Buck converter; Interleaved switching;

   Abstract : Photovoltaic panels are widely used to harvest solar energy. In the general application the panels are connected to an inverter that allows the power to be feed to the grid. The possibility to emulate a photovoltaic panel in a laboratory environment simplifies the development of inverters. READ MORE

3. 7. Pilot Contamination and Mitigation Techniques in Massive MIMO Systems

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Vidit Saxena; [2014]
   Keywords : Multicell Systems; Massive MIMO; Pilot Contamination; LTE; Power Control; Resource Allocation; Channel Estimation; Precoding; Technology and Engineering;

   Abstract : A multi-antenna base station (BS) can spatially multiplex a few terminals over the same bandwidth, a technique known as multi-user, multiple-input multiple-output (MU-MIMO). A new idea in cellular MU-MIMO is the use of a large excess of BS antennas to serve several single-antenna terminals simultaneously. READ MORE

4. 8. Closed loop power control for LTE uplink

   University essay from Blekinge Tekniska Högskola/Avdelningen för telekommunikationssystem

   Author : Bilal Muhammad; [2008]
   Keywords : LTE; Closed loop power control; open loop power control; SC-FDMA; 5th percentile user bit rate; mean per user bit rate; SINR; power utilization;

   Abstract : This thesis study involves designing, implementing and testing of a novel radio resource control algorithm for the closed loop power control in the LTE uplink. Different values of the path loss compensation factor are investigated in the range 0.7-1.0 and an optimal value of 0. READ MORE

5. 9. Open Issues in Control ofAutomotive R744 Air-ConditioningSystems

   University essay from Elektroteknik

   Author : Sanaz Karim; [2007]
   Keywords : R744; Air-Conditioning; COP; Cooling power; optimization; two-stage orifice valve; Two-evaporator;

   Abstract : In this thesis, one of the current control algorithms for the R744 cycle, which tries tooptimize the performance of the system by two SISO control loops, is compared to acost-effective system with just one actuator. The operation of a key component of thissystem, a two stage orifice expansion valve is examined in a range of typical climateconditions. READ MORE