| Paper Abstract and Keywords |
| Presentation |
2011-09-08 13:05
A study on duplex method for bi-directional FPU
Fumiki Uzawa, Kazuhiko Mitsuyama, Tetsuomi Ikeda (NHK) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
We have started a basic study on a bi-directional transmission system to develop the new microwave band Field Pick-up Unit (FPU) that can efficiently transmit file-based videos. The major bi-directional transmission systems are based on Frequency Division Duplex (FDD) or Time Division Duplex (TDD). TDD has an advantage of the flexibility in choosing uplink-to-downlink data rate ratios without changing the current channel allocation.
We have developed a basic experimental equipment, which can emulate the Media Access Control (MAC) layer with Automatic Repeat reQuest (ARQ), to evaluate throughput performance of the TDD-based FPU. Throughput performance was confirmed to be improved even under the condition that the distance between both ends was 100 km, if the TDD frame size were more than 20 ms. Furthermore, throughput performance was confirmed to degrade significantly when the high uplink-to-downlink time ratio were selected because of the latency due to ARQ at the MAC layer. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
FPU (Field Pick-up Unit) / bi-directional / Time Division Duplex (TDD) / Automatic Repeat reQuest (ARQ) / / / / |
| Reference Info. |
ITE Tech. Rep., vol. 35, no. 34, BCT2011-63, pp. 41-46, Sept. 2011. |
| Paper # |
BCT2011-63 |
| Date of Issue |
2011-09-01 (CE, BCT) |
| ISSN |
Print edition: ISSN 1342-6893 |
| Download PDF |
|
| Conference Information |
| Committee |
IEICE-CQ IEICE-MoNA CE BCT |
| Conference Date |
2011-09-08 - 2011-09-09 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Pref. Univ. Kumamoto |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Mobile/Broadcasting convergence technology, system and application, mobile contents streaming, P2P/ad-hoc networks, and their quality, General area |
| Paper Information |
| Registration To |
BCT |
| Conference Code |
2011-09-CQ-MoMuC-CE-BCT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A study on duplex method for bi-directional FPU |
| Sub Title (in English) |
|
| Keyword(1) |
FPU (Field Pick-up Unit) |
| Keyword(2) |
bi-directional |
| Keyword(3) |
Time Division Duplex (TDD) |
| Keyword(4) |
Automatic Repeat reQuest (ARQ) |
| Keyword(5) |
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| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Fumiki Uzawa |
| 1st Author's Affiliation |
NHK (NHK) |
| 2nd Author's Name |
Kazuhiko Mitsuyama |
| 2nd Author's Affiliation |
NHK (NHK) |
| 3rd Author's Name |
Tetsuomi Ikeda |
| 3rd Author's Affiliation |
NHK (NHK) |
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| Speaker |
Author-1 |
| Date Time |
2011-09-08 13:05:00 |
| Presentation Time |
25 minutes |
| Registration for |
BCT |
| Paper # |
CE2011-25, BCT2011-63 |
| Volume (vol) |
vol.35 |
| Number (no) |
no.34 |
| Page |
pp.41-46 |
| #Pages |
6 |
| Date of Issue |
2011-09-01 (CE, BCT) |