電子航法研究所研究発表会（第16回平成28年６月）

㸰㸮㸬AeroMACS ࡢᇶᆅᒁ㓄⨨ཬࡧࣁࣥࢻ࣮࢜ࣂ࡟㛵ࡍࡿ᳨ウ┘ど㏻ಙ㡿ᇦ ͤ᳃ᒸ࿴⾜㸪㛗⦖ ₶୍ᮏ⏣ ⣧୍㔠⏣┤ᶞ஧ࢵ᳃ ಇ୍Ἑᮧ ᬡᏊᐩ⏣ Ṋ⡿ᮏ ᡂேఫ㇂ Ὀே1 ࡣࡌࡵ࡟✵ 㠃࡟࠾ࡅࡿḟୡ௦ࡢ㧗㏿ࢹࢪࢱࣝ㏻ಙࢩࢫ ࢸ ࣒ ࡜ ࡋ ࡚ WiMAX (Worldwide
Interoperability for Microwave Access)つ᱁[1]ࢆ
࣮࣋ࢫ࡟ࡋࡓ AeroMACS (Aeronautical Mobile
Airport Communications System)ࡢ᳨ウࡀ⾜ࢃࢀ࡚࠸ࡿ[2][3]ࠋ⾲ 1 ࡟ AeroMACS つ᱁ࡢᴫせࢆ♧ࡍ[4]ࠋ㟁Ꮚ⯟ἲ◊✲ᡤ࡛ࡣ, ᑗ᮶ࡢᡃࡀᅜ⯟✵Ᏻ඲㏻ಙศ㔝࡟࠾ࡅࡿ AeroMACS ࡢᑟධࢆぢᤣ࠼, ✵ 㠃࡟࠾ࡅࡿ AeroMACS ヨ㦂ಙྕࡢ ホ ౯ ➼ , ᇶ ♏ ᳨ ウ ࢆ ⾜ ࡗ ࡓ [5][6] ࠋ ࡉ ࡽ ࡟ ,AeroMACS ࡢᐇ⎔ቃ࡟ࡼࡿᛶ⬟ホ౯ࢆ⾜࠺ࡓࡵ , ᖹ ᡂ 26 ᖺ ᗘ ࡟ ࡣ , ᘢ ᡤ ᒾ ἟ ศ ᐊ ࡟
AeroMACS ࣉࣟࢺࢱ࢖ࣉࢩࢫࢸ࣒ࢆᵓ⠏ࡋᇶᮏᛶ⬟ホ౯[7]ࢆᐇ᪋ࡋࡓࠋᮏ✏࡛ࡣ, ᖹᡂ 27ᖺᗘ࡟ᐇ᪋ࡋࡓ, ᇶᆅᒁ㓄⨨ࡢ᳨ウཬࡧᇶᆅᒁ2 ྎࢆ⏝࠸࡚ࡢࣁࣥࢻ࣮࢜ࣂ࡟㛵ࡍࡿᇶᮏᛶ⬟ホ౯ࡢ⤖ᯝ࡟ࡘ࠸࡚ሗ࿌ࡍࡿࠋ2 ᐇ㦂ࢩࢫࢸ࣒ᵓᡂ
ᅗ 1 ࡟ AeroMACS ࣉࣟࢺࢱ࢖ࣉࢩࢫࢸ࣒ࡢᇶᆅᒁ(BS)ᵓᡂࡢእほࢆ♧ࡍࠋᇶᆅᒁཬࡧ୰ኸ⿦⨨ࢆ㟷Ⰽࡢ ᐃ㌴ࡢ୰࡟タ⨨ࡋࡓࠋᮏ ᐃ㌴
ࡣ 10m ࡲ࡛ᘏ㛗ྍ⬟࡞࣏࣮ࣝࢆഛ࠼࡚࠾ࡾ,࣏࣮ࣝࡢඛ➃࡟ᇶᆅᒁ⏝ࡢࢥࣜࢽ࢔࢔ࣥࢸࢼࢆタ⨨ࡋࡓࠋࢥࣜࢽ࢔࢔ࣥࢸࢼࡢ฼ᚓࡣ 11dBi ࡛࠶ࡿࠋᇶᆅᒁࡣ 2 ࡘࡢฟຊ➃Ꮚࢆഛ࠼࡚࠾ࡾ,ฟຊ㟁ຊࡣ࢔ࣥࢸࢼ 1, ࢔ࣥࢸࢼ 2 ྛࠎ0.2W ࡛࠶ࡿࠋࡲࡓ, ᇶᆅᒁ࡜࢔ࣥࢸࢼ㛫ࡢࢣ࣮ࣈࣝࣟ
ࢫࡣ 3dB ࡛࠶ࡿࠋ୰ኸ⿦⨨(ࢧ࣮ࣂ⩌)ࡣ, Home
Agent (HA) ࢧ࣮ࣂ, Authentication, Authorization
and Accounting (AAA) ࢧ࣮ࣂ, Access Service
Network gateway (ASN-GW) ࢧ࣮ࣂ, ᇶᆅᒁ⟶⌮ࢧ࣮ࣂ࠿ࡽᵓᡂࡉࢀ࡚࠸ࡿࠋ」ᩘࡢᇶᆅᒁཬ
ࡧ୰ኸ⿦⨨ࡣ඲య࡜ࡋ࡚ WiMAX Forum ࡢつᐃࡍࡿ ASN ࣉࣟࣇ࢓࢖ࣝ C ࡟ᚑࡗ࡚᥋⥆ࡉࢀࡿࠋᅗ 2 ࡟⛣ືᒁᵓᡂࡢእほࢆ♧ࡍ䚹⛣ື➃ᮎ(MS)─ 112 ─

⾲ 1 AeroMACS つ᱁ࡢᴫせ࿘Ἴᩘ
5030MHz 㹼 5150MHzTime Division Duplex」ಙ᪉ᘧ
(TDD)
Orthogonal Frequency
ከ㔜࢔ࢡࢭࢫDivision Multiple Access᪉ᘧ(OFDMA)
ࢳࣕࢿࣝ5MHzᖏᇦᖜ
64QAM-3/4, 64QAM2/3,16QAM-3/4, 16QAMኚㄪ࣭➢ྕ໬
1/2, QPSK-3/4, QPSK-1/2
᪉ᘧ(64QAM is optional forMobile Station)

ᅗ 1 ᇶᆅᒁᵓᡂࡢእほᅗ 2 ⛣ືᒁᵓᡂࡢእほ電子航法研究所研究発表会（第16回平成28年６月）

ᅗ 4 ᖹᡂ 26 ᖺᗘࡢ㏻ಙ㏿ᗘᐇ㦂⤖ᯝ(ᘢᡤᒾ἟ศᐊ௜㏆࡟ BS ࢆ㓄⨨ࡋࡓሙྜ)ᅗ 3 ࣈࣟࢵࢡࢲ࢖࢔ࢢ࣒ࣛࡣ⥳Ⰽࡢ ᐃ㌴ࡢ୰࡟タ⨨ࡉࢀ,ᐃ㌴ࡢኳ஭࡟タ⨨ࡉࢀࡓ࢔ࣥࢸࢼ࡟᥋⥆ࡉࢀ࡚࠸ࡿࠋ⛣ື➃ ᮎ ⏝ ࢔ ࣥ ࢸ ࢼ ࡣ MLS (Microwave LandingSystem) ⏝ࡢ 1/4 Ȝ ࣔࣀ࣏࣮ࣝ࢔ࣥࢸࢼࢆ⏝࠸࡚࠸ࡿࠋMLS ࢔ࣥࢸࢼࡢ฼ᚓࡣ 0dBi ࡛࠶ࡿࠋࡲࡓ, MLS ࢔ࣥࢸࢼ࡜⛣ື➃ᮎ⏝࢔ࣥࢸࢼ➃Ꮚࡲ ࡛ ࡢ ࢣ ࣮ ࣈ ࣝ ࣟ ࢫ ࡣ 3dB ࡛ ࠶ ࡾ , ࡉ ࡽ ࡟MLS ࢔ࣥࢸࢼ࡜⛣ື➃ᮎ⏝࢔ࣥࢸࢼ➃Ꮚ 1 ࡢ㛫 ࡟ ࡣ , ࢫ ࣉ ࣜ ࢔ ࢫ ࢆ ῶ ࡽ ࡍ ࡓ ࡵ ࡟ , 6dB ࡢ࢔ࢵࢸࢿ࣮ࢱࢆᤄධࡋ࡚࠸ࡿࠋ
ᅗ 3 ࡟ᐇ㦂ࢩࢫࢸ࣒ࡢࣈࣟࢵࢡࢲ࢖࢔ࢢ࣒ࣛ
ࢆ♧ࡍࠋᮏࣉࣟࢺࢱ࢖ࣉࢩࢫࢸ࣒ࡣ 5091MHz
࠿ ࡽ 5150MHz ࡢ ࿘ Ἴ ᩘ ࡛ ື స ࡋ , ᖏ ᇦ ᖜ ࡣ5MHz ࡛࠶ࡿࠋ≀⌮ࣞ࢖ࣖ࡜ MAC ࣞ࢖ࣖࡢつ᱁ࡣ, IEEE 802.16 (Mobile WiMAX)つ᱁[1]࡟‽ᣐࡋ࡚࠸ࡿࠋ⛣ື➃ᮎࡣ,ᐃ⏝ࣀ࣮ࢺ PC ࡟࢖࣮ࢧࢿࢵࢺࢣ࣮ࣈ࡛ࣝ᥋⥆ࡉࢀ࡚࠸ࡿࠋ㏻ಙ
㏿ᗘࡢ ᐃࢆ⾜࠺ࡓࡵ࡟,ᐃ⏝ࣀ࣮ࢺ PC ࡜୰ኸ⿦⨨࡟᥋⥆ࡉࢀࡓ࢔ࣉࣜࢣ࣮ࢩࣙࣥࢧ࣮ࣂ࡜ ࡢ 㛫 ࡛ File Transfer Protocol (FTP) ࡟ ࡼ ࡿࣇ࢓࢖ࣝ㌿㏦ࢆ⾜ࡗࡓࠋ ✵ ෆࢆ㉮⾜ࡋ࡞ࡀࡽࣇ࢓࢖ࣝ㌿㏦ࢆ⾜࠸, 1 ⛊࠾ࡁ࡟㏻ಙ㏿ᗘࢆྲྀᚓࡋࡓࠋྠ᫬࡟, GPS ࠿ࡽࡢ఩⨨᝟ሗࢆྲྀᚓ
ࡋ, ྛ ᐃ࣏࢖ࣥࢺ࡟࠾ࡅࡿ㏻ಙ㏿ᗘࢆグ㘓ࡋ
ࡓࠋ㏻ಙ㏿ᗘࡣࢲ࢘ࣥࣜࣥࢡ(BS ࠿ࡽ MS)᪉ྥ
ࡢࡳࢆ ᐃࡋࡓࠋ3 ᇶᆅᒁ㓄⨨࡟㛵ࡍࡿ᳨ウ ᐇ㦂࡛ࡣ, ⛣ື➃ᮎࢆᦚ㍕ࡋࡓ⥳Ⰽࡢ ᐃ㌴
࡟࡚㏻ಙ㏿ᗘࢆ ᐃࡋ࡞ࡀࡽሙ࿘㐨㊰ཬࡧ, ⁥㉮㊰࣭ㄏᑟ㊰ࢆ㉮⾜ࡋࡓࠋᅗ 4 ࡟ᖹᡂ 26 ᖺᗘ࡟ᐇ᪋ࡋࡓᐇ㦂⤖ᯝࢆ♧ࡍࠋᖹᡂ 26 ᖺᗘ࡟ࡣ,ᅗ 5 ᖹᡂ 27 ᖺᗘࡢ㏻ಙ㏿ᗘᐇ㦂⤖ᯝ(ᾘ㜵ᗇ⯋௜㏆࡟ BS ࢆ㓄⨨ࡋࡓሙྜ)ᇶᆅᒁࡢ఩⨨ࢆᅗ 4 ୰ࡢࠕBS࡛ࠖ♧ࡋࡓ఩⨨࡟㓄⨨ࡋࡓࠋᇶᆅᒁ⏝࢔ࣥࢸࢼࡣ⣙ 30m ࡢ㧗ࡉࡢ㕲ሪ࡟ྲྀࡾ௜ࡅࡓࠋ㉥Ⰽࡣࢫ࣮ࣝࣉࢵࢺࡀ
5Mbps ௨ୖ࡛࠶ࡗࡓ⟠ᡤࢆ♧ࡋ࡚࠸ࡿࠋࡲࡓ,㟷Ⰽࡣࢫ࣮ࣝࣉࢵࢺࡀ 1Mbps ᮍ‶࡛࠶ࡗࡓ⟠ᡤࢆ♧ࡋ࡚࠸ࡿࠋᅗࡼࡾ, ᇶᆅᒁ࠿ࡽࣈࣛ࢖ࣥ
ࢻ࢚ࣜ࢔࡜࡞ࡿࢱ࣮࣑ࢼ࢚ࣝࣜ࢔௜㏆࡟࠾࠸࡚
㏻ಙ㏿ᗘࡀప㏿࡟࡞ࡿ࢚ࣜ࢔ࡀぢࡽࢀࡿ[7]ࠋ
ࡇࡢᇶᆅᒁ㓄⨨࡟࠾࠸࡚, 5Mbps ௨ୖࡢ㏻ಙ㏿ᗘࢆ㐩ᡂ࡛ࡁࡓࡢࡣ, ඲యࡢ 57.5%࡛࠶ࡗࡓࡀ,ᐃ୙ྍ࡛࠶ࡗࡓሙᡤࡀ඲యࡢ 4.5%࠶ࡗࡓࠋ ᅗ 5 ࡟ᖹᡂ 27 ᖺᗘ࡟ᐇ᪋ࡋࡓᐇ㦂⤖ᯝࢆ♧ࡍ ࠋ ᖹ ᡂ 27 ᖺ ᗘ ࡟ ࡣ , ᇶ ᆅ ᒁ ࢆ ᅗ 5 ୰ ࡢࠕBS࡛ࠖ♧ࡋࡓᾘ㜵ᗇ⯋࢚ࣜ࢔௜㏆࡟㓄⨨ࡋࡓࠋᇶᆅᒁࡢ㓄⨨ࢆࢱ࣮࣑ࢼ࢚ࣝࣜ࢔࠿ࡽぢ㏻ࡋࡢ࡜ࢀࡿ఩⨨࡬㓄⨨ࡍࡿࡇ࡜࡛, ࢱ࣮࣑ࢼ࢚ࣝࣜ࢔࡟࠾࠸࡚ࡶ⣙ 3Mbps ⛬ᗘࡢࢫ࣮ࣝࣉࢵ
ࢺࡀᐇ⌧࡛ࡁ࡚࠸ࡿᵝᏊࡀศ࠿ࡿࠋࡇࡢᇶᆅᒁ
㓄⨨࡟࠾࠸࡚, 5Mbps ௨ୖࡢ㏻ಙ㏿ᗘࢆ㐩ᡂ࡛ࡁࡓࡢࡣ඲యࡢ 38.9%࡛, 0.1Mbps ௨ୖ 1Mbps
ᮍ‶ࡢ㏻ಙ㏿ᗘ࡛࠶ࡗࡓሙᡤࡣ඲యࡢ 2.3%࡛
࠶ࡗࡓࠋࡲࡓ, ඲యࢆ㏻ࡋ࡚ ᐃ୙ྍ⬟࡞ሙᡤ─ 113 ─

電子航法研究所研究発表会（第16回平成28年６月）

⾲ 2 ᇶᆅᒁ㓄⨨࡟ࡼࡿ࢝ࣂ࣮࢚ࣜ࢔ࡢẚ㍑㏻ಙ㏿ᗘ
(Mbps)

ᖹᡂ 26 ᖺᗘ(ᘢᡤᒾ἟ศᐊ௜㏆࡟ BS ࢆ㓄⨨)ᖹᡂ 27 ᖺᗘ(ᾘ㜵ᗇ⯋௜㏆
࡟ BS ࢆ㓄⨨)

ᐃ୙ྍ

4.5%

0.0%

0.1㹼10.0%

2.3%

1㹼3

14.5%

15.5%

3㹼523.5%

43.3%

5㹼

57.5%

38.9%
ᅗ 6 ࣁࣥࢻ࣮࢜ࣂヨ㦂ࡢᴫせࡣ࡞࠿ࡗࡓࠋ⾲ 2 ࡟ホ౯⤖ᯝࢆࡲ࡜ࡵࡓࠋSD⏬㉁(ゎീᗘ 720x480 ࣆࢡࢭࣝ)ࡢື⏬ࢫࢺ࣮࣒ࣜࢆᛌ㐺࡟ぢࡿࡓࡵ࡟ࡣ 1Mbps㹼2.4Mbps ⛬ᗘࡢఏ㏦㏿ᗘࡀᚲせ࡛࠶ࡿࠋ⾲ 2 ࡼࡾ, ᾘ㜵ᗇ⯋
௜㏆࡟ BS ࢆ㓄⨨ࡍࡿࡇ࡜࡟ࡼࡾ, ࡯࡜ࢇ࡝ࡢ࢚ࣜ࢔࡛ 1Mbps ࡢఏ㏦㏿ᗘࡀᐇ⌧࡛ࡁࡿࡇ࡜ࡀศ࠿ࡿࠋ௝ྎ✵ ࡢࡼ࠺࡞ 3km ᅄ᪉⛬ᗘࡢ୰ᑠつᶍ✵ ࡛ࡣ, 㐺ษ࡟ᇶᆅᒁࢆ㓄⨨ࡍࢀࡤ,ᇶᆅᒁ 1 ᒁ࡛✵ ࡢ඲࢚ࣜ࢔ࢆ࢝ࣂ࣮ྍ⬟࡛࠶ࡿࡇ࡜ࡀศ࠿ࡗࡓࠋ⩚⏣✵ ࡢࡼ࠺࡞኱つᶍ✵࡟࠾࠸࡚ࡣ, ᇶᆅᒁࢆ 2 ࡘ௨ୖ㓄⨨ࡍࡿᚲせࡀ࠶ࡿࠋࡑࡇ࡛ḟ⠇࡟࠾࠸࡚ᇶᆅᒁࢆ 2 ࡘ㓄⨨ࡋࡓሙྜࡢࣁࣥࢻ࣮࢜ࣂ࡟㛵ࡍࡿᇶᮏᛶ⬟ホ౯⤖ᯝࢆ♧ࡍࠋ

ᅗ 7 ࣁࣥࢻ࣮࢜ࣂ᫬ࡢ RSSI4 ࣁࣥࢻ࣮࢜ࣂ࡟㛵ࡍࡿ᳨ウ ᮏ⠇࡛ࡣ, ᇶᆅᒁ 2 ࡘࢆ⏝࠸ࡓࣁࣥࢻ࣮࢜ࣂ
࡟㛵ࡍࡿᇶᮏᛶ⬟ホ౯⤖ᯝࢆ⤂௓ࡍࡿࠋᮏホ౯ࡢヲ⣽࡟ࡘ࠸࡚ࡣᩥ⊩[8]࡛ヲࡋࡃ㏙࡭ࡽࢀ࡚࠸ࡿࠋᅗ 6 ࡟ࣁࣥࢻ࣮࢜ࣂヨ㦂ࡢᴫせࢆ♧ࡋࡓࠋᮏヨ㦂࡛ࡣ BS1 ࢆᘢᡤᒾ἟ศᐊࡢ 30m 㕲ሪୖ࡟㓄⨨ࡋ, BS2 ࢆᅗ 1 ࡟♧ࡋࡓ㟷Ⰽࡢ ᐃ㌴࡟
࡚௝ྎ✵ ࡢす➃௜㏆࡟㓄⨨ࡋࡓࠋᅗ 6 ࡟♧ࡋࡓㄏᑟ㊰࡟࡚, ᮾ࠿ࡽす᪉ྥ࡜す࠿ࡽᮾ᪉ྥ࡬⛣ືࡍࡿࡇ࡜࡛ࣁࣥࢻ࣮࢜ࣂࢆⓎ⏕ࡉࡏ, ࡑࡢ㝿ࡢ RSSI (Received Signal Strength Indicator)ࡸ
RTT (Round Trip Time)ࢆ ᐃࡋࡓࠋ ᅗ 7 ࡟ࣁࣥࢻ࣮࢜ࣂ᫬ࡢ RSSI ࢆ♧ࡍࠋᅗ 7ࡢ㟷Ⰽ࡛♧ࡋࡓⅬ⥺ࡣ, BS1 ࡢࡳࢆ⏝࠸ࡓሙྜࡢ RSSI ࢆ, ㉥Ⰽ࡛♧ࡋࡓⅬ⥺ࡣ, BS2 ࡢࡳࢆ⏝࠸ࡓሙྜࡢ RSSI ࢆ⾲ࡋ࡚࠸ࡿࠋࡲࡓ, 㟷࠸୸࡛♧ࡋࡓ⟠ᡤࡣ୧ BS ౑⏝᫬࡟ BS1 ࡟᥋⥆ࡉࢀ࡚࠸ࡓࡇ࡜ࢆ, ㉥࠸༳࡛♧ࡉࢀࡓ⟠ᡤࡣ BS2࡟᥋⥆ࡉࢀ࡚࠸ࡓࡇ࡜ࢆ⾲ࡋ࡚࠸ࡿࠋࡲࡓ, ୖഃࡢᅗࡣす࠿ࡽᮾ࡬⛣ືࡋࡓሙྜࡢ⤖ᯝࢆ♧ࡋ,ୗഃࡢᅗࡣᮾ࠿ࡽす࡬⛣ືࡋࡓሙྜࡢ⤖ᯝࢆ♧ࡋ࡚࠸ࡿࠋᅗ 7 ࡼࡾ, ࠾࠾ࡼࡑ RSSI ࡀධࢀ᭰ࢃࡿ࣏࢖ࣥࢺ࡟࠾࠸࡚ࣁࣥࢻ࣮࢜ࣂࡀⓎ⏕ࡋ࡚࠸ࡿᵝᏊࡀศ࠿ࡾ, ᭷ຠ࡟ࣁࣥࢻ࣮࢜ࣂᶵ⬟ࡀᐇ⌧࡛ࡁ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿࠋ
 ⾲ 3 ࡟ࣁࣥࢻ࣮࢜ࣂ᫬ࡢ RTT ホ౯⤖ᯝࢆࡲ࡜ࡵࡓࠋࣁࣥࢻ࣮࢜ࣂヨ㦂ࡣ, ⛣ື➃ᮎ࡟᥋⥆ࡉࢀࡓࢡࣛ࢖࢔ࣥࢺ PC ࠿ࡽ, ୰ኸ⿦⨨࡟᥋⥆ࡉࢀࡓࢧ࣮ࣂ PC ࡬ ping ࢆ㏦ಙࡋ࡞ࡀࡽ㉮⾜ࡋ,ࣁࣥࢻ࣮࢜ࣂࡀⓎ⏕ࡋࡓ㝿ࡢ RTT ࡜ࢱ࢖࣒࢔࢘ࢺᅇᩘࢆ ᐃࡋࡓࠋ᫬㏿ 30km ࡛㉮⾜ࡋࡓሙྜ࡜᫬㏿ 60km ࡛㉮⾜ࡋࡓሙྜ࡟ࡘ࠸࡚ホ౯ࢆ⾜ࡗࡓࠋ ⾲ 3 ࡼࡾ, ᮾ࠿ࡽす᪉ྥ࡬ࡢ⛣ື࡛ࡣ, RTT
ࡀ⣙ 500ms㹼700ms ࠿࠿ࡿሙྜࡀ࠶ࡿࡢ࡟ᑐࡋ,─ 114 ─電子航法研究所研究発表会（第16回平成28年６月）

ࡋࡲࡍࠋ⾲ 3 ࣁࣥࢻ࣮࢜ࣂ᫬ RTT ホ౯⤖ᯝᮾ࠿ࡽす᪉ྥ࡬⛣ື
30km/hཧ⪃ᩥ⊩[1] IEEE std 802.16-2009, May 2009.

60km/hMax RTT[ms]

Timeout

Max RTT[ms]

Timeout

494

0173

1170

1

194

1358

1398

1133

2668

1787

1513

1

[2] G. Bartoli, R. Fantacci and D. Marabissi,“AeroMACS: A New Perspective for Mobile
Airport Communications and Services,” IEEE
Wireless Communications Vol. 20, pp. 44-50,
Dec 2013.
[3] “Communications Operating Concept andRequirements,”
ICAOAeronauticalCommunications Panel #1, Information Paper 5,Oct 2007.

す࠿ࡽᮾ᪉ྥ࡬⛣ື30km/h

60km/hMax RTT[ms]Timeout

Max RTT[ms]Timeout

144

1168

0162

1199

0224

1128

1159

1179

1133

1198

0[4]“Proposals to Amend ANNEX 10 Volume III
Concerning AeroMACS,”ICAO Communications
Communications Panel #1, Working Paper 3, Dec
2014.

す࠿ࡽᮾ᪉ྥ࡬ࡣ⣙ 100㹼200ms ⛬ᗘ࡛Ᏻᐃࡋ
࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿࠋࡇࢀࡣ, ᅗ 7 ࡢୗᅗ࠿ࡽศ࠿ࡿࡼ࠺࡟, ᮾ࠿ࡽす࡬ࡢ⛣ື࡛ࡣ, ࣁࣥࢻ࣮࢜ࣂᚋࡢ RSSI ࡀ኱ࡁࡃኚືࡋ, Ᏻᐃࡋ࡚࠸࡞࠸ࡓࡵ࡜⪃࠼ࡽࢀࡿࠋఏᦙ⎔ቃࡢヲ⣽࡞ゎᯒ࡟ࡘ࠸࡚ࡣᩥ⊩[8]ࢆཧ↷ࡉࢀࡓ࠸ࠋ5 ࠾ࢃࡾ࡟ᮏሗ࿌࡛ࡣ, AeroMACS ࣉࣟࢺࢱ࢖ࣉࢩࢫࢸ࣒ࢆ⏝࠸ࡓᇶᆅᒁ㓄⨨ࡢ᳨ウཬࡧ, ࣁࣥࢻ࣮࢜ࣂࡢᇶᮏᛶ⬟ホ౯⤖ᯝ࡟ࡘ࠸࡚ሗ࿌ࢆ⾜ࡗࡓࠋᐇ㦂⤖ᯝࢆゎᯒࡋࡓ࡜ࡇࢁ, 3km ᅄ᪉⛬ᗘࡢ୰ᑠつᶍ✵ ࡛࠶ࢀࡤ, 㐺ษ࡟ᇶᆅᒁࢆ㓄⨨ࡍࡿࡇ࡜࡟ࡼࡾ, ᇶᆅᒁ 1 ᒁ࡛✵ ඲యࢆ࢝ࣂ࣮ྍ⬟࡛࠶ࡿࡇ࡜ࡀศ࠿ࡗࡓࠋࡲࡓ, ࣁࣥࢻ࣮࢜ࣂ࡟ࡘ࠸࡚ࡶ᭷ຠ࡟ᶵ⬟ࡍࡿࡇ࡜ࡀศ࠿ࡗࡓࠋㅰ㎡ ᐇ㦂࡟ࡈ༠ຊ࠸ࡓࡔࡁࡲࡋࡓᅜᅵ஺㏻┬ᮾி⯟✵ᒁ௝ྎ✵ ஦ົᡤ㛵ಀྛ఩࡟῝ࡃឤㅰ࠸ࡓ[5] ᳃ᒸ, 㔠⏣, ஧ࢵ᳃, ᮏ⏣, Ἑᮧ, ⡿ᮏ,ఫ㇂, “ᐇ⎔ቃୗ࡟࠾ࡅࡿ AeroMACS ヨ㦂ಙྕゎᯒ”, 㟁Ꮚ⯟ἲ◊✲ᡤ◊✲Ⓨ⾲఍ (➨ 13ᅇ), pp.31-34, 2014 ᖺ 6 ᭶.
[6] K.Morioka, N.Kanada, S.Futatsumori,J.Honda, A.Kohmura, N.Yonemoto, Y.Sumiya
and D.Asano, “EVM and BER Evaluation of C
band New Airport Surface Communication
Systems”, IEEE International Workshop onAntenna Technology 2014 (iWAT2014), Sydney,Australia, 2014.
[7] ᳃ᒸ, 㔠⏣, ஧ࢵ᳃, Ἑᮧ, ᐩ⏣, ⡿ᮏ, ఫ㇂, ͆AeroMACS ࣉࣟࢺࢱ࢖ࣉࢩࢫࢸ࣒ࡢᇶᮏᛶ⬟ホ౯͇, 㟁Ꮚ⯟ἲ◊✲ᡤ◊✲Ⓨ⾲఍ (➨ 14ᅇ), pp.31-34, 2015 ᖺ 6 ᭶.
[8] J.Naganawa, K.Morioka, N.Kanada, J.Honda,T.Tomita, H.Tajima, S.Futatsumori, A.Kohmura,
N.Yonemoto, and Y.Sumiya, "An Experimental
Evaluation on Handover Performance of
AeroMACS
Prototype",
Proc.of.
Integrated
Communication, Navigation, and Surveillance
Conference (ICNS) 2016.

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