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السجلات المعروضة 171 -- 180 من 1209
Investigation on the effect of mud additives on the gelation performance of PAM/PEI system for lost circulation control
(
Society of Petroleum Engineers
, 2021 , Conference Paper)
Lost circulation is one of the most common problems in the drilling of oil and gas wells where mud escapes through natural or induced fractures. Lost circulation can have severe consequences from increasing the operational ...
Gelation Performance of PAM/PEI Polymer-Based Mud System for Lost Circulation Control
(
EAGE Publishing BV
, 2021 , Conference Paper)
Lost circulation is one of the most common problems in the drilling of oil and gas wells where mud escapes through natural or induced fractures. Lost circulation can have severe consequences from increasing the operational ...
Reinforcement of polyacrylamide-co-tert-butyl acrylate base gel using nanosilica for conformance control at low and high reservoir temperatures
(
Society of Petroleum Engineers (SPE)
, 2020 , Conference Paper)
Challenges of water shut-off, which is categorized under conformance control, are nowadays common in the oil and gas industry. The excessive water quantities produced from oil reservoirs can make the production process ...
A Deep Learning Model for LoRa Signals Classification Using Cyclostationay Features
(
IEEE Computer Society
, 2021 , Conference Paper)
With the witnessed exponential growth of Internet of Things (IoT) nodes deployment following the emerging applications, multiple variants of technologies have been proposed to handle the IoT requirements. Among the proposed ...
A downlink index-modulation based nonorthogonal multiple access scheme
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
Massive connectivity and spectral efficiency are among the main defining terms of the future communications era. Therefore, revolutionary technologies are required to keep up with the connectivity and spectrum demands. ...
On the Error Performance of Non-orthogonal Multiple Access Systems
(
IEEE Computer Society
, 2020 , Conference Paper)
Unlike orthogonal multiple access schemes, non-orthogonal (NOMA) ones have arisen as an appealing solution to meet the requirements of the upcoming era of massive connectivity. In NOMA schemes, users are allowed to ...
Performance Analysis of Index Modulation Based Multiple Access under Imperfect Channel Estimation
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
Future generations of wireless communication systems are expected to serve a large number of users with different quality of service requirements. Given the limited spectrum resources, the current multiple access schemes ...
Low Complexity Constellation Rotation-based SIC Detection for IM-NOMA Schemes
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
With the expected explosive growth in the user density in wireless networks, recent works have investigated the integration of index modulation (IM) with multiple access schemes, namely the non-orthogonal multiple access ...
On physical layer security of correlated multiantenna cognitive radio receivers
(
Institute of Electrical and Electronics Engineers Inc.
, 2021 , Conference Paper)
In limited space scenarios, the antennas in the multiantenna cognitive radio (CR) system are closely spaced and often experience correlation among them. In this work, the secrecy performance of correlated multiantenna CR ...
On Optimizing the Secrecy Performance of RIS-Assisted Cooperative Networks
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
Employing reconfigurable intelligent surfaces (RIS) is emerging as a game-changer candidate, thanks to their unique capabilities in improving the power efficiency and supporting the ubiquity of future wireless communication ...