Essays about: "4G wireless system"

Showing result 21 - 25 of 41 essays containing the words 4G wireless system.

1. 21. Scheduler Algorithms for MU-MIMO

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

   Author : Wissam Moustafa; Richard Mugisha; [2017]
   Keywords : Scheduling; Beamforming; TDD; TM-8; SRS; Downlink; Round Robin; SU-MIMO; MU-MIMO.; Technology and Engineering;

   Abstract : In multi-user multiple input multiple output (MU-MIMO), the complexity of the base-station scheduler has increased further compared to single-user multiple input multiple output (SU-MIMO). The scheduler must understand if several users can be spatially multiplexed in the same time-frequency resource. READ MORE

3. 22. Creating a usable analysis application built on an existing visualization platform

   University essay from Uppsala universitet/Signaler och System

   Author : Pontus Arfwedson; [2017]
   Keywords : data; visualization; analysis; javafx; application; research;

   Abstract : The advances in research on wireless communications has lead up to the current success of 4G mobile broadband and is currently focusing on designing the upcoming even more advanced fifth generation (5G) networks. The type of research behind this typically generates large quantities of data and requires efficient analysis in order to achieve tangible results. READ MORE

4. 23. Adaptive Beamforming for Next Generation Cellular System

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

   Author : Sebastian Andersson; William Tidelund; [2016]
   Keywords : Adaptive; Beamforming; Precoding; 5G; Zero Forcing; MRT; Maximum Ratio Transmission; LTE; Wireless Communication; Technology and Engineering;

   Abstract : In this work aMatlab model of a simplified LTE system has been implemented. The PUSCH and PDSCH signal chains has been used for reception and transmission of data and DM-RS symbols are used as pilots. Moreover, the model supports communication and interference between multiple users and base station antennas. READ MORE

5. 24. Software Defined Radio based MIMO channel sounding

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

   Author : Jens Elofsson; Peter Seimar; [2016]
   Keywords : channel sounding; MIMO; Zadoff Chu; M-sequences; USRP; FPGA; Technology and Engineering;

   Abstract : With todays increased use of smartphones and other wireless devices, the demands on the wireless networks have increased dramatically. This has prompted the re- search and development of new types of wireless systems using multiple antennas at both the transmitter and the receiver, known as MIMO. READ MORE

6. 25. Pattern Reconfigurable MIMO Antennas for Multiband LTE Operation

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

   Author : Rui Ma; Ioannis Chountalas; [2015]
   Keywords : Technology and Engineering;

   Abstract : Nowadays, multiple antennas are becoming widely used in small mobile terminals as they can significantly improve wireless communication performance in terms of link reliability and spectral efficiency. Also, pattern reconfiguration is another new trend for antenna design as it enables the antennas to adapt to different propagation and user scenarios. READ MORE