multiple base station antennas
Multiple Daily Base Station Switch-Offs in Cellular Networks
... We focus on a case study given by a realistic cell deploy- ment. We consider a portion of the central area of the city of Munich, Germany, which corresponds to a square of 800 x 800 m comprising 1 macro-cell, 8 ...
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Measurement and Computational Modeling of Radio-Frequency Electromagnetic Power Density Around GSM Base Transceiver Station Antennas
... from multiple hundred MHz to several ...popular antennas [2, 3], being widely used throughout the country despite the advent of newer ...of base transceiver stations (BTS) and related towers to ...
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Design and Experimental Validation of MIMO Multiuser Detection for Downlink Packet Data
... the base station communicate with multiple terminals simultaneously, in which case the receive antennas at those terminals are effectively pooled in terms of the capacity ...the base ...
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The impact of base station antennas configuration on the performance of millimetre wave 5G networks
... Division Multiple Access (OFDMA) has been used as the multiple access in this model due to its powerful performance in dealing with multipath signals and compatibility with multi input multi output (MIMO) ...
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A Review on MIMO Cognitive Radio User Selection Network using Multiple CBD and Primary Channel State Information
... of multiple secondary users are essential for effective network ...a multiple-input multiple- output (MIMO) cognitive radio (CR) downlink network, where the r-antenna underlay CR secondary users ...
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A Compact Wideband Dual Polarized Printed Antenna with Coaxial Feeds for TD SCDMA Application
... dipole antennas have attracted much attention [5]-[10] for the development of wi- deband dual-polarized base station ...dipole antennas with two DC grounded coaxial feeds and backed by a PEC ...
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Performance of Block Diagonalization Scheme for Downlink Multiuser MIMO System with Estimated Channel State Information
... employing multiple antennas at transmitter and re- ceiver have received a considerable ...a base station equipped with multiple antennas and a number mobile users, each pos- ...
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Energy Efficient Resource Allocation in OFDMA Systems with Large Numbers of Base Station Antennas N Pavan Kumar
... multiple antennas, and the same signal is captured by a single antenna or multiple ...several antennas are placed in a distance from each ...of base stations in a macro cellular ...
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Analysis of the performance of massive MIMO systems
... send multiple data streams, thus increasing system capacity (Goldsmith, ...have base stations equipped with a large number of distributed antennas that serve many users in the same time-frequency ...
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The impact of base station antennas configuration on the performance of millimetre wave 5G networks
... In the second scenario, optimising antenna spacing has been considered. The default antenna separation in the legacy cellular network is around half the wavelength. Higher separation would improve the signal transmission ...
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Assessment of Pilot Pollution Problem for Multi-Cell Multi-User MIMO
... the base station uses the channel status information (CSI) in the sender so that these users can share the same ...of base antennas in a multicellular environment is ...Multi-user ...
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Review paper on Massive 5G Wireless Systems with Channel State Information
... of antennas at the Base Station (BS) serving multiple single antenna users simultaneously ...BS antennas are typically more compared to the number of users in a ...
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with Multiple Antennas for Dummies
... The disadvantage of transmit diversity compared to re- ceive diversity is that the transmitter must know the chan- nel beforehand in order to select between antennas or to pre- code the signals. This requires ...
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A Detection Method of Time Slot Power Based on ARM Platform
... the base station system start-up and normal operation state, the system CPU resource consumption, the error value of the tested time slot power and so ...direct station device and base ...
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Investigation of electromagnetic radiation emitted from mobile base stations in Khartoum state
... So antenna farms arise as complex areas in cities. Consequently, this situation has created unease feelings to the people that they may be affected by the radiation from those antennas. Public concern about ...
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An Enhanced Difference Method for Multi objective Model of Cellular Base Station Antenna Configurations
... optimizing base station antennas' configurations, such as transmit power, antenna tilt and antenna azimuth, in order to upgrading network performance in cellular ...
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Investigation of the Main Lobe Distance of Transmitted Power Density from GSM Transceiver Base Stations in South-South Nigeria
... In the last decades, especially in Nigeria the massive proliferation of mobile communications equipment raised a special concern regarding the safety of population exposed to radiofrequency (RF) radiation emitted by ...
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Quantised Massive Multi User Mimo Ofdm Uplink Using Combiners
... Fig. 1. Overview of the considered quantized massive MU-MIMO- OFDM uplink system. Left: U single-antenna user terminals; right: massive MIMO base station with B _ U antennas and coarse quantization ...
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Compact Base Station Antennas Using Metamaterials
... Metamaterials are intensely used for the design of directive antennas [1–4]. In [1], Enoch et al. proposed to use the refractive properties of a low optical index material interface in order to achieve a directive ...
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New Transmission Scheme Based on Space Time Code for Massive MIMO
... In order to reduce the decoding complexity, the transmission based on space- time coding is proposed in single-cell massive MIMO uplink system. All of the users are equipped with 4 antennas and generalized spatial ...
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