Search Results - "Jung-Fu Cheng"

Coding performance of hybrid ARQ schemes by CHENG, Jung-Fu

“…We develop a unified performance metric and detailed analysis for hybrid automatic repeat request (HARQ) schemes based on incremental redundancy (IR) and Chase…”
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Design and Evaluation of Licensed Assisted Access LTE in Unlicensed Spectrum by Falconetti, Laetitia, Du Ho Kang, Karaki, Reem, Obregon, Evanny, Jung-Fu Cheng, Koorapaty, Havish, Mukherjee, Amitav, Falahati, Sorour, Larsson, Daniel

“…Licensed assisted access (LAA) is a new feature for 3GPP LTE systems to operate in the unlicensed spectrum. Under LAA, licensed carriers will be aggregated…”
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Turbo decoding as an instance of Pearl's "belief propagation" algorithm by McEliece, R.J., MacKay, D.J.C., Jung-Fu Cheng

“…We describe the close connection between the now celebrated iterative turbo decoding algorithm of Berrou et al. (1993) and an algorithm that has been well…”
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Uplink Performance of Enhanced Licensed Assisted Access (eLAA) in Unlicensed Spectrum by Karaki, Reem, Jung-Fu Cheng, Obregon, Evanny, Mukherjee, Amitav, Du Ho Kang, Falahati, Sorour, Koorapaty, Havish, Drugge, Oskar

“…Licensed-Assisted Access (LAA) is a new feature for 3rd Generation Partnership Project (3GPP) Long-Term Evolution (LTE) system to operate in the unlicensed…”
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HARQ Feedback in Unlicensed Spectrum LTE: Design and Performance Evaluation by Mukherjee, Amitav, Lindqvist, Fredrik, Jung-Fu Cheng

“…The uncertainty of channel availability for wireless systems in unlicensed bands necessitates new and robust designs for the feedback of uplink control…”
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Base Station Downlink DTX Designs for Interference Mitigation in High-Performance LTE Networks by Falahati, Sorour, Jung-Fu Cheng, Koorapaty, Havish, Larsson, Daniel

“…To evolve the LTE network to cope with ever and rapidly increasing demand for mobile broadband services and traffic volumes, interference avoidance designs…”
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Reference Signals for Improved Energy Efficiency in LTE by Koorapaty, Havish, Jung-Fu Cheng, Grant, Stephen, Jiann-Ching Guey

“…Cellular wireless systems have focused, to date, on system capacity, user data rates, latency and coverage as primary design criteria. Energy efficiency has…”
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On Phase Noise Compensation for OFDM Operation in 5G and Beyond by Afshang, Mehrnaz, Hui, Dennis, Cheng, Jung-Fu Thomas, Grant, Stephen

“…In OFDM transmission system, phase noise (PN) caused by non-ideal oscillator induces inter carrier interference (ICI), which is problematic for operation of…”
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Physical Uplink Control Channel Enhancements for Further Evolved LTE-Advanced by Jung-Fu Cheng, Falahati, Sorour, Frenne, Mattias, Wang, Y-P Eric

“…Carrier aggregation has enabled LTE to efficiently utilize wide and fragmented spectrum to provide high data rate services to end users' benefits. We…”
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Spatial Sweeping Coding by Yang Hu, Jung-Fu Cheng

“…We consider a new open-loop space-frequency-time coding schemes by fully sweeping the spatial diversity with additional coding. In this spatial sweeping coding…”
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Analysis of Circular Buffer Rate Matching for LTE Turbo Code by Jung-Fu Cheng, Nimbalker, A., Blankenship, Y., Classon, B., Blankenship, T.K.

“…This paper discusses circular buffer rate matching (CBRM) algorithms for the turbo code in the long term evolution (LTE) of the WCDMA-based air interface. To…”
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System architecture and coexistence evaluation of licensed-assisted access LTE with IEEE 802.11 by Mukherjee, Amitav, Jung-Fu Cheng, Falahati, Sorour, Falconetti, Laetitia, Furuskar, Anders, Godana, Bruhtesfa, Du Ho Kang, Koorapaty, Havish, Larsson, Daniel, Yu Yang

“…Licensed-assisted access (LAA) is a new operation mode of Long-Term Evolution (LTE) in the unlicensed spectrum currently under study in the 3GPP…”
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Performance of Autonomous Uplink Transmissions in Unlicensed Spectrum LTE by Karaki, Reem, Mukherjee, Amitav, Jung-Fu Cheng

“…The immediate availability of Uplink (UL) time-frequency resources for transmission of new data is a key factor in reducing latency and improving UL throughput…”
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ARQ Concept for the UMTS Long-Term Evolution by Meyer, M., Wiemann, H., Sagfors, M., Torsner, J., Jung-Fu Cheng

“…Work is ongoing in 3GPP to significantly extend the performance of UMTS in the work item long term evolution (LTE). LTE contains a new system architecture with…”
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Energy Efficiency Performance of LTE Dynamic Base Station Downlink DTX Operation by Jung-Fu Cheng, Koorapaty, Havish, Frenger, Pal, Larsson, Daniel, Falahati, Sorour

“…Dynamic base station downlink discontinuous transmission (DTX) operations have been proposed and under discussion in the standardization body as a candidate to…”
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Coding performance of HARQ with BICM-Part I: Unified performance analysis by Jung-Fu Cheng

“…We develop a general model based on random coding bounds to explain and predict the coding performance of various type-I and type-II hybrid automatic repeat…”
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Error Detection Reliability of LTE CRC Coding by Jung-Fu Cheng, Koorapaty, H.

“…The error detection performance of CRC coding in LTE with general two-level early stopping algorithms for turbo decoding is investigated. Analytical models for…”
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Modeling Coding Performance with Nonideal Channel Estimation for Dynamic System Simulators by Jung-Fu Cheng

“…Performance of conventional decoders with inaccurate channel estimation input is analyzed to construct an accurate and computationally efficient model for…”
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A Physical Layer Abstraction for Maximum Likelihood Demodulation of MIMO Signals by Ramesh, R., Koorapaty, H., Jung-Fu Cheng, Balachandran, K.

“…We develop a physical layer abstraction to model the performance of MIMO with maximum likelihood demodulation (MLD) in a system simulation. MLD is inherently a…”
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Coding performance of HARQ with BICM - Part II: LTE circular buffer rate matching & extension by Jung-Fu Cheng

“…This paper discusses the design, performance optimization and potential extensions of the LTE HARQ operations. The HARQ retransmission behavior of all 764…”
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