Jae Joon Park

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PURPOSE This study was conducted to evaluate prognostic factors and cancer-specific survival (CSS) in a cohort of 41 patients with urachal carcinoma by use of a Bayesian model-averaging approach. MATERIALS AND METHODS Our cohort included 41 patients with urachal carcinoma who underwent extended partial cystectomy, total cystectomy, transurethral(More)
Endoscopic submucosal dissection (ESD) for various colorectal neoplasms is more technically difficult than gastric ESD. We evaluated treatment outcomes and the learning curve for colorectal ESD of laterally spreading tumors (LSTs) based on the experience of a single endoscopist. We included 93 colorectal ESD procedures for colorectal LST that were performed(More)
Based on the experimental results obtained from the extensive wideband MIMO channel measurements at 2.38, 3.705 and 5.25GHz in Line-Of-Sight (LOS) rural macro environments, the empirical Path Loss (PL) model is proposed for the IMT-Advanced systems. PL exponent, intercept, frequency dependent factor and standard deviation of Shadow Fading (SF) are obtained(More)
—In this paper, we propose the time-division multiplexing (TDM) based MIMO channel sounding technique using loosely synchronous (LS) codes for real time measurement of MIMO radio channel. Since LS codes have perfect auto-correlation and cross-correlation functions within certain vicinity of the zero shifts, the proposed technique can substantially reduce(More)
This paper presents multipath channel parameters acquiring from wideband Multiple-Input Multiple Output (MIMO) channel measurement at 3.705GHz carrier frequency. The wideband MIMO channel sounder was used to measure MIMO radio channel characteristics. The channel measurement campaign was performed in the Seoul rail-way station where is a representative(More)