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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 10件中 1~10件目  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2018-06-22
14:50
Nagasaki Nagasaki University Improving the Capacity of Multi-hop LoRa Network using Spreading-factor-based Network Clustering
Guibing Zhu, Chun-Hao Liao, Theerat Sakdejayont, Yoshiaki Narusue, Hiroyuki Morikawa (UTokyo) RCS2018-75
LoRa is a low-power long-range IoT standard using the chirp spread spectrum (CSS) technique, and we
have been strived t... [more]
RCS2018-75
pp.237-242
NS, ASN, RCC, RCS, SR
(Joint)
2017-07-20
10:30
Hokkaido Hokkaido Univ. Investigating the LoRa Receiver Performance under Mutual Interference
Guibing Zhu, Chun-Hao Liao, Makoto Suzuki, Yoshiaki Narusue, Hiroyuki Morikawa (Univ. of Tokyo) RCS2017-110
LoRa networks achieve a remarkable wide coverage by exploiting the chirp spread spectrum (CSS) technique. However, a sin... [more] RCS2017-110
pp.103-108
NS, ASN, RCC, RCS, SR
(Joint)
2017-07-21
13:20
Hokkaido Hokkaido Univ. Demodulation Method of LPWA (Chirp Spread Spectrum)Signals and Multi-hop Transmisson Method -- Proposal of a Packet Collision Avoidance of CSS Signals and CSS-Packet Forwarding Method --
Yoshihiko Takeuchi (JRC), Chun-Hao Liao, Makoto Suzuki, Hiroyuki Morikawa (The Univ. of Tokyo) RCC2017-46 NS2017-63 RCS2017-138 SR2017-61 ASN2017-54
In this work, we investigate a LPWA communication system that combines the chirp spread spectrum (CSS) and M-ary FSK mod... [more] RCC2017-46 NS2017-63 RCS2017-138 SR2017-61 ASN2017-54
pp.179-184(RCC), pp.169-174(NS), pp.233-238(RCS), pp.191-196(SR), pp.205-210(ASN)
RCS 2017-04-25
15:20
Kagawa Kotohira Onsen Kotosankaku Evaluating the Sub-GHz LoRa Receiver Performance under Synchronized Packet Collisions
Chun-Hao Liao, Guibing Zhu, Daiki Kuwabara, Sotaro Ohara, Mokoto Suzuki, Hiroyuki Morikawa (The Univ. of Tokyo) RCS2017-27
Concurrent transmission (CT) is a multi-hop protocol that greatly improves the network performance by allowing synchroni... [more] RCS2017-27
pp.143-148
NS, RCS
(Joint)
2016-12-22
09:15
Ishikawa   Level Crossing Rate and Average Fading Duration of Beating Signals under Concurrent Transmission
Chun-Hao Liao, Makoto Suzuki, Hiroyuki Morikawa (The Univ. of Tokyo) RCS2016-222
In this work, we study the level crossing rate (LCR) and the average fading duration (AFD) of the beating signal under c... [more] RCS2016-222
pp.75-80
NS, RCS
(Joint)
2016-12-22
09:40
Ishikawa   Evaluation of Packet Combining using RSSI for Reliable Reception of Concurrent Transmission
Theerat Sakdejayont, Chun-Hao Liao, Makoto Suzuki, Hiroyuki Morikawa (Univ. of Tokyo) RCS2016-223
 [more] RCS2016-223
pp.81-86
RCS, CCS, SR, SRW
(Joint)
2016-03-04
09:50
Tokyo Tokyo Institute of Technology Simulating and Emulating the IEEE 802.15.4 Receiver Performance under Concurrent Transmission
Chun-Hao Liao, Makoto Suzuki, Hiroyuki Morikawa (The Univ. of Tokyo) RCS2015-382
Concurrent transmission (CT), i.e., transmitting duplicated signals simultaneously through multiple transmitters/antenna... [more] RCS2015-382
pp.285-290
RCC, ASN, RCS, NS, SR
(Joint)
2015-07-31
15:50
Nagano JA Naganoken Bldg. Evaluation of Subcarrier-Selected Short Preamble for OFDM Wireless Control Systems
Theerat Sakdejayont, Chun-Hao Liao, Hiroyuki Morikawa (Univ. of Tokyo) RCS2015-130
In wireless control systems where payloads are small, preambles are considered as significant overheads. In order to red... [more] RCS2015-130
pp.175-180
RCC, ASN, RCS, NS, SR
(Joint)
2015-07-31
16:15
Nagano JA Naganoken Bldg. An Evaluation of LTE-Advanced Random Access with Non-orthogonal Preamble Interference Cancellation in M2M Environment
Tomo Morohashi, Chun-Hao Liao, Aoi Koizuka, Makoto Suzuki, Hiroyuki Morikawa (The Univ. of Tokyo) RCS2015-131
 [more] RCS2015-131
pp.181-186
RCS, SR, SRW
(Joint)
2015-03-06
15:50
Tokyo Tokyo Institute of Technology Non-linear Pre-coding for Non-Orthogonal Multiple Access in MU-MIMO System with Modulo-based Interference Cancellation
Chun-Hao Liao, Hiroyuki Morikawa (The Univ. of Tokyo) RCS2014-365
Multi-User Multiple-Input-Multiple-Output (MU-MIMO) systems and Non-Orthogonal Multiple Access (NOMA) are promising mult... [more] RCS2014-365
pp.381-386
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