ඛ➃ࢿࢵࢺ࣮࣡ࢡ⎔ቃ◊✲㒊㛛$GYDQFHG1HWZRUN(QYLURQPHQW'LYLVLRQ኱Ꮫ㝔᝟ሗ⛉Ꮫ◊✲⛉ࡢⓎ㊊࡟క࠸ࠊ2002 ᖺ 4 ᭶㸯㒊㛛ࢫࢱࢵࣇ

ࡼࡾࠊྠ◊✲⛉ව௵ࠋ⌧ᅾ࡟⮳ࡿࠋ㟁Ꮚ᝟ሗ㏻ಙ
Ꮫ఍ࠊThe Internet Society ྛ఍ဨࠋ2000 ᖺ༤ኈ㸦ᕤᏛ㸧ࠋᩍᤵ ୰㔝༤㝯␎Ṕ㸸1972 ᖺ 4 ᭶ ᮾி኱ຓᩍ ㇂ཱྀ⩏᫂ᏛᕤᏛ㒊㟁ẼᕤᏛ⛉༞ᴗࠊ
1977 ᖺ 3 ᭶ᮾி኱Ꮫ኱Ꮫ

␎Ṕ㸸2002 ᖺ 3 ᭶ ኱㜰㝔ᕤᏛ⣔◊✲⛉㟁ᏊᕤᏛ኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗ⛉Ꮫᑓ㛛ㄢ⛬༤ኈㄢ⛬ಟ஢ࠋ⛉༞ᴗࠋ2004 ᖺ 3 ᭶ ኱ྠᖺ 4 ᭶ ᪥ᮏ㟁ಙ㟁ヰබ㜰኱Ꮫ኱Ꮫ㝔᝟ሗ⛉Ꮫ◊♫㸦1985 ᖺ 4 ᭶ࡼࡾ᪥ᮏ

✲⛉༤ኈ๓ᮇㄢ⛬ಟ஢ࠋ㟁ಙ㟁ヰᰴᘧ఍♫㸦NTT㸧㸧Ṋⶶ㔝㟁Ẽ㏻ಙ◊✲ᡤ

2008 ᖺ 9 ᭶ ኱㜰኱Ꮫ኱⏬ീ㏻ಙ◊✲㒊ධ♫ࠋ1989 ᖺ 10 ᭶ NTT ᝟ሗ㏻ಙᏛ㝔᝟ሗ⛉Ꮫ◊✲⛉᝟ሗฎ⌮◊✲ᡤ⏬ീ᝟ሗࢧ࣮ࣅࢫ◊✲ࢢ࣮ࣝࣉ࣮ࣜ

ࢿࢵࢺ࣮࣡ࢡᏛᑓᨷ༤ኈᚋᮇㄢ⛬ಟ஢ࠋ2004 ᖺ 4

ࢲࠊ1995 ᖺ 7 ᭶ NTT ࣄ࣮࣐ࣗࣥ࢖ࣥࢱࣇ࢙࣮ࢫ᭶ ኱㜰኱Ꮫ 21 ୡ⣖ COE ࣉࣟࢢ࣒ࣛࣜࢧ࣮ࢳ࢔

◊✲ᡤ࣓ࢹ࢕࢔ᛂ⏝ࢩࢫࢸ࣒◊✲㒊㛗ࠊ1999 ᖺ 1

ࢩࢫࢱࣥࢺࠊ2007 ᖺ 8 ᭶ ኱㜰኱Ꮫࢢ࣮ࣟࣂࣝ

᭶ NTT ⛣ື㏻ಙ⥙ᰴᘧ఍♫㸦⌧ NTT ࢻࢥࣔ㸧࣐

COE ࣉࣟࢢ࣒ࣛࣜࢧ࣮ࢳ࢔ࢩࢫࢱࣥࢺࢆ⤒࡚ࠊࣝࢳ࣓ࢹ࢕࢔◊✲ᡤ㛗ࢆ⤒࡚ࠊ2004 ᖺ 4 ᭶ࡼࡾ኱2008 ᖺ 10 ᭶ࡼࡾ኱㜰኱Ꮫࢧ࢖ࣂ࣮࣓ࢹ࢕࢔ࢭࣥ

㜰኱Ꮫࢧ࢖ࣂ࣮࣓ࢹ࢕࢔ࢭࣥࢱ࣮ඛ➃ࢿࢵࢺ࣡ࢱ࣮ඛ➃ࢿࢵࢺ࣮࣡ࢡ⎔ቃ◊✲㒊㛛ຓᩍࠊ⌧ᅾ࡟࣮ࢡ⎔ቃ◊✲㒊㛛ᩍᤵࠊ⌧ᅾ࡟⮳ࡿࠋ㟁Ꮚ᝟ሗ㏻⮳ࡿࠋ㟁Ꮚ᝟ሗ㏻ಙᏛ఍ࠊ᝟ሗฎ⌮Ꮫ఍ࠊIEEEಙᏛ఍ࠊᫎീ᝟ሗ࣓ࢹ࢕࢔Ꮫ఍ࠊ⏬ീ㟁ᏊᏛ఍ࠊྛ఍ဨࠋ2008 ᖺ༤ኈ㸦᝟ሗ⛉Ꮫ㸧ࠋIEEE ྛ఍ဨࠋ1977 ᖺᕤᏛ༤ኈࠋ ᩍ⫱࠾ࡼࡧᩍ⫱ᨭ᥼ᴗ⦼
෸ᩍᤵ 㛗㇂ᕝ๛␎Ṕ㸸1995 ᖺ 3 ᭶ ኱㜰኱ ᤵᴗᢸᙜ

Ꮫᇶ♏ᕤᏛ㒊᝟ሗᕤᏛ⛉඲Ꮫඹ㏻ᩍ⫱ᶵᵓ᝟ሗฎ⌮ᩍ⫱⛉┠࡜ࡋ࡚㛤ㅮࡉ

㏥Ꮫࠋ1997 ᖺ 3 ᭶ ኱㜰኱ࢀ࡚࠸ࡿ௨ୗࡢ⛉┠ࢆศᢸࡋࡓࠋ

Ꮫ኱Ꮫ㝔ᇶ♏ᕤᏛ◊✲⛉(1) ᝟ሗ♫఍࡜೔⌮༤ኈ๓ᮇㄢ⛬ಟ஢ࠋ1997㸦௨ୖࠊ୰㔝㸧

ᖺ 6 ᭶ ኱㜰኱Ꮫ኱Ꮫ㝔ᇶ(2) ᇶ♏ࢭ࣑ࢼ࣮ࠕࢿࢵࢺࢆ▱ࡾࠊࢿࢵࢺࢆ౑࠸

♏ᕤᏛ◊✲⛉༤ኈᚋᮇㄢ

ࡇ࡞ࡍࠖ

⛬㏥Ꮫࠋྠᖺ 7 ᭶ ኱㜰኱Ꮫ⤒῭Ꮫ㒊ຓᡭࠋ1998(3) ᇶ♏ࢭ࣑ࢼ࣮ࠕࢧ࢖ࣂ࣮ࢧ࢖࢚ࣥࢫࡢୡ⏺ࠖ

ᖺ 4 ᭶ ኱㜰኱Ꮫ኱Ꮫ㝔⤒῭Ꮫ◊✲⛉ຓᡭࠋ2000㸦௨ୖࠊ㛗㇂ᕝ㸧ᖺ 7 ᭶ ኱㜰኱Ꮫࢧ࢖ࣂ࣮࣓ࢹ࢕࢔ࢭࣥࢱ࣮ඛ➃ᇶ♏ᕤᏛ㒊࡟࠾࠸࡚㛤ㅮࡉࢀ࡚࠸ࡿ௨ୗࡢ⛉┠ࢆᢸࢿࢵࢺ࣮࣡ࢡ⎔ቃ◊✲㒊㛛ຓᡭࠋ2002 ᖺ 1 ᭶኱㜰ᙜࡋࡓࠋ኱Ꮫࢧ࢖ࣂ࣮࣓ࢹ࢕࢔ࢭࣥࢱ࣮ຓᩍᤵࠋ኱㜰኱Ꮫ㸫㸫(1) ᝟ሗㄽ B

(2) ᝟ሗᢏ⾡⪅࡜♫఍㸦ศᢸ㸧኱Ꮫ㝔ᩍ⫱㸦௨ୖࠊ୰㔝㸧

ዉⰋඛ➃⛉Ꮫᢏ⾡኱Ꮫ㝔኱Ꮫࠊி㒔኱Ꮫࠊ໭㝣ඛ➃(3) ᝟ሗࢿࢵࢺ࣮࣡ࢡ

⛉Ꮫᢏ⾡኱Ꮫ㝔኱Ꮫ࡜ඹྠ࡛ᐇ᪋ࡋࡓᩍ⫱ᨵ㠉ࣉࣟ(4) 㜵⅏≉ㄽࢪ࢙ࢡࢺ࣭ඛᑟⓗ IT ࢫ࣌ࢩࣕࣜࢫࢺ⫱ᡂ᥎㐍ࣉࣟࢢ㸦௨ୖࠊ㛗㇂ᕝ㸧࣒ࣛ㸦IT-KEYS㸧ࡢ㐠Ⴀጤဨ఍ጤဨࢆᢸᙜࡋࡓࠋ
㸦2007(5) ᝟ሗ⛉Ꮫᗎㄝ

ᖺ 10 ᭶㹼ࠊ୰㔝㸧(6) ᝟ሗ⛉Ꮫ PBL
඲Ꮫᨭ᥼ᴗົ

(7) ᇶ♏ᕤᏛ PBL㸦᝟ሗᕤᏛ A㸧

඲Ꮫᨭ᥼ᴗົ࡜ࡋ࡚௨ୗࢆᢸᙜࡋࡓࠋ

(8) ᇶ♏ᕤᏛ PBL㸦᝟ሗᕤᏛ B㸧
(9) ᝟ሗ⛉Ꮫࢮ࣑ࢼ࣮ࣝ A(1) ODINS 㐠⏝㒊఍㆟㛗㸦2008 ᖺ 4 ᭶㹼ࠊ୰㔝㸧(10) ᝟ሗ⛉Ꮫࢮ࣑ࢼ࣮ࣝ B(2) ODINS ⥭ᛴᑐᛂ⤌⧊㸦ODINS-CERT㸧ࡢ㆟㛗ཬ㸦௨ୖࠊ㛗㇂ᕝࠊ㇂ཱྀ㸧ࡧᖿ஦࡜ࡋ࡚ࢿࢵࢺ࣮࣡ࢡ㐠Ⴀ࡟㛵ࡍࡿ㐃⤡ࠊ(11) ࣉࣟࢢ࣑ࣛࣥࢢ A⟶⌮ࠊ⥭ᛴᑐᛂᴗົࢆ⾜ࡗࡓࠋ㸦2005 ᖺ 4 ᭶㹼ࠊ(12) ᝟ሗ⛉Ꮫᐇ㦂 C୰㔝ࠊ㛗㇂ᕝ㸧㸦௨ୖࠊ㇂ཱྀ㸧኱Ꮫ㝔᝟ሗ⛉Ꮫ◊✲⛉᝟ሗࢿࢵࢺ࣮࣡ࢡᏛᑓᨷ࡟࠾

ࢧ࢖ࣂ࣮࣓ࢹ࢕࢔ࢭࣥࢱ࣮ᴗົ
௨ୗࡢᴗົࢆᢸᙜࡋࡓࠋ

࠸࡚㛤ㅮࡉࢀ࡚࠸ࡿ௨ୗࡢ⛉┠ࢆᢸᙜࡋࡓࠋ
(1) ࣐ࣝࢳ࣓ࢹ࢕࢔ࢿࢵࢺ࣮࣡ࢡ

(1) ๪ࢭࣥࢱ࣮㛗㸦2007 ᖺ 7 ᭶㹼ࠊ୰㔝㸧㸦௨ୖࠊ୰㔝㸧

(2) ㈈ົጤဨ఍ጤဨ㛗㸦2009 ᖺ 7 ᭶㹼ࠊ୰㔝㸧(2) ᝟ሗࢿࢵࢺ࣮࣡ࢡᏛᇶ♏ㄽ᝟ሗ⛉Ꮫ◊✲⛉(3) ᝟ሗࢿࢵࢺ࣮࣡ࢡᵓᡂᏛ

᝟ሗ⛉Ꮫ◊✲⛉ࡢ⏘Ꮫ㐃ᦠ⥲ྜ௻⏬ᐊ఍㆟ጤဨࢆ㸦௨ୖࠊ୰㔝ࠊ㛗㇂ᕝ㸧ᢸᙜࡋࡓࠋ㸦2009 ᖺ 4 ᭶㹼ࠊ୰㔝㸧(4) ࢠ࢞ࣅࢵࢺࢿࢵࢺ࣮࣡ࢡ
(5) ᝟ሗࢿࢵࢺ࣮࣡ࢡᏛ₇⩦ II ◊✲ᴫせ㸦௨ୖࠊ㛗㇂ᕝ㸧(6) ᝟ሗࢿࢵࢺ࣮࣡ࢡࢭ࣑ࢼ࣮I

ᮏ㒊㛛࡛ࡣࠊࣘࣅ࢟ࢱࢫࢿࢵࢺ࣮࣡ࢡࡢᵓ⠏࡟ྥ(7) ᝟ሗࢿࢵࢺ࣮࣡ࢡࢭ࣑ࢼ࣮II

ࡅࡓ㏻ಙᇶ┙࣭ᛂ⏝࡟㛵ࡍࡿ◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋල

㸦௨ୖࠊ㛗㇂ᕝࠊ㇂ཱྀ㸧యⓗ࡟ࡣࠊᩘᏛⓗゎᯒࠊࢩ࣑࣮ࣗࣞࢩࣙࣥࠊᐇᶵᐇ(8) ᝟ሗࢿࢵࢺ࣮࣡ࢡᏛ₇⩦ I㦂࡞࡝ࢆ㏻ࡌ࡚ࠊ(1) ⎔ቃ୰࡟㐢ᅾࡍࡿࣘࣅ࢟ࢱࢫ

㸦௨ୖࠊ㇂ཱྀ㸧ࣀ࣮ࢻ࠿ࡽࡢ㧗㏿࡞ࢹ࣮ࢱ཰㞟᪉ᘧࠊᒇෆእ࡟࠾ࡅ

኱Ꮫ㝔་Ꮫ⣔◊✲⛉࡟࠾࠸࡚㛤ㅮࡉࢀ࡚࠸ࡿ௨ୗࡢ

ࡿࣀ࣮ࢻࡢ⛣ືࣔࢹࣝᵓ⠏࡜ࡑࡢᛂ⏝ࠊ↓⥺࣓ࢵࢩ⛉┠ࢆᢸᙜࡋࡓࠋ

ࣗࢿࢵࢺ࣮࣡ࢡไᚚࠊ (2) ࢖ࣥࢱ࣮ࢿࢵࢺ࡟࠾࠸࡚
ᵝࠎ࡞ࢺࣛࣄࢵࢡࢆ㧗㏿࠿ࡘຠࡼࡃ㌿㏦ࡍࡿࡓࡵࡢ

(1) ⏕యࢩࢫࢸ࣒᝟ሗᏛ

ࢺࣛࣥࢫ࣏࣮ࢺ࢔࣮࢟ࢸࢡࢳࣕࠊࣈࣛࢵࢡ࣎ࢵࢡࢫ

㸦᝟ሗࢭ࢟ࣗࣜࢸ࢕࡜་⒪᝟ሗࢩࢫࢸ࣒㸧࡛࠶ࡿ IP ࢿࢵࢺ࣮࣡ࢡࡢ㈨※㔞ࢆ᫂ࡽ࠿࡟ࡍࡿࢿ

(2) ඹྠ◊ᶵჾศᯒࢭ࣑ࢼ࣮
㸦᝟ሗ㏻ಙࢩࢫࢸ࣒࡟࠾ࡅࡿࢭ࢟ࣗࣜࢸ࢕☜ࢵࢺ࣮࣡ࢡィ ᢏ⾡ࠊSkype ࡞࡝ࢆᐇ⌧ࡋ࡚࠸ࡿ࢜

ಖࡢࡓࡵࡢ⾜ືᣦ㔪࡜ᇶᮏᢏ⾡㸧࣮ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡᢏ⾡ࡢ㧗ᗘ໬ࠊ࡞࡝࡟ྲྀࡾ⤌㸦௨ୖࠊ୰㔝㸧

ࢇ࡛࠸ࡿࠋ

㸫㸫

 ᖺᗘ◊✲ᴗ⦼࠶ࡿࣜࣥࢡࡣ୚࠼ࡽࢀࡓࢱ࢖࣒ࢫࣟࢵࢺ࡟࠾࠸࡚ࡢ



ࡳ㏻ಙ࡛ࡁࡿࠋࡲࡓࠊ஫࠸࡟ᖸ΅ࢆ㉳ࡇࡍྍ⬟ᛶࡢ↓⥺࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡ࡟㛵ࡍࡿ◊✲࠶ࡿࣜࣥࢡ࡟␗࡞ࡿࢱ࢖࣒ࢫࣟࢵࢺࢆ๭ࡾᙜ࡚ࡿࡇ

ᒣ㛫㒊ࡸ㞳ᓥ࡞࡝ࠊ᭷⥺ࢿࢵࢺ࣮࣡ࢡࡢᩜタࡀᅔ࡜࡛㟁Ἴᖸ΅ࡢⓎ⏕ࢆ㜵ࡄࠋ㞴࡞ᆅᇦ࡟࠾࠸࡚↓⥺᥋⥆⎔ቃࢆᥦ౪ࡍࡿࡇ࡜ࡢ࡛

ࡇࡢࡼ࠺࡞ TDMA ࡟ࡼࡿ↓⥺࣐ࣝࢳ࣍ࢵࣉ㏻ಙࡁࡿ↓⥺࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡࡣࠊ⤒῭ᛶࠊᣑᙇᛶ

࡛ࡣࠊ࠶ࡿࣀ࣮ࢻ࠿ࡽ௚ࡢࣀ࣮ࢻࡲ࡛ࣃࢣࢵࢺࢆఏ

࡟ඃࢀࡿࡇ࡜࠿ࡽࠊ኱ࡁ࡞ὀ┠ࢆ㞟ࡵ࡚࠸ࡿࠋ↓⥺㏦ࡍࡿ㝿࡟ࠊࣃࢣࢵࢺࡀ㏻ಙ⤒㊰ୖࡢ࠶ࡿࣀ࣮ࢻ࡟

࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡࡣࠊ᭷⥺ࢿࢵࢺ࣮࣡ࢡ࡬ࡢ᥋

฿╔ࡋ࡚࠿ࡽḟࡢࣀ࣮ࢻ࡬㏦ಙࡉࢀࡿࡲ࡛࡟ᚅࡕ᫬

⥆ᶵ⬟ࢆᣢࡘࢤ࣮ࢺ࢙࢘࢖ࣀ࣮ࢻ࡜」ᩘࡢ࣓ࢵࢩࣗ

㛫ࡀⓎ⏕ࡍࡿࠋ┠ⓗࣀ࣮ࢻࡲ࡛ࡢྛ⤒⏤ࣀ࣮ࢻ࡟࠾

ࣀ࣮ࢻࡀ↓⥺࡛࣐ࣝࢳ࣍ࢵࣉ᥋⥆ࡉࢀࡿࡇ࡜࡟ࡼࡾ

࠸࡚ࠊࡇࡢࡼ࠺࡞ᚅࡕ᫬㛫ࡀ⵳✚ࡍࡿࡇ࡜࡟ࡼࡗ࡚ࠊ

ᵓᡂࡉࢀࡿࠋ฼⏝⪅➃ᮎࡣ㏆㞄ࡢ࣓ࢵࢩࣗࣀ࣮ࢻࢆ

ྛࣀ࣮ࢻ࡛ࣃࢣࢵࢺࡀⓎ⏕ࡋ࡚࠿ࡽࢤ࣮ࢺ࢙࢘࢖ࣀ

௓ࡋ࡚ࢿࢵࢺ࣮࣡ࢡ࡟᥋⥆ࡍࡿࠋ≉࡟↓⥺࣓ࢵࢩ࣮ࣗࢻ࡟฿㐩ࡍࡿࡲ࡛ࡢఏ㏦㐜ᘏ᫬㛫ࡀቑ኱ࡍࡿࠋ≉ࢿࢵࢺ࣮࣡ࢡࡢ࠺ࡕࠊࢤ࣮ࢺ࢙࢘࢖ࢆ᰿࡜ࡍࡿࢶࣜ

࡟ࢤ࣮ࢺ࢙࢘࢖ࣀ࣮ࢻ࠿ࡽࡢ࣍ࢵࣉᩘࡀ኱ࡁ࠸ࣀ࣮

࣮≧ࡢࢺ࣏ࣟࢪࢆᵓ⠏ࡍࡿࡶࡢࢆ࣮ࣜࣞࢿࢵࢺ࣮࣡

ࢻ࡛ࡣࠊྛࣀ࣮ࢻ࡟࠾ࡅࡿᚅࡕ᫬㛫ࡢ⵳✚ࡣ῝้࡞ࢡ࡜࠸࠺ࠋᮏ◊✲࡛ࡣࠊ↓⥺࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡࠊ

ၥ㢟࡛࠶ࡿࠋ

≉࡟ IEEE 802.16j ࣐ࣝࢳ࣍ࢵࣉ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ

ࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚࡟ࡼࡗ࡚ఏ㏦㐜ᘏ᫬㛫ࢆࢆᑐ㇟࡜ࡋ࡚ࠊࡑࡢᛶ⬟ࢆᨵၿࡍࡿࡓࡵࡢᡭἲ࠾ࡼ

పῶࡍࡿ◊✲ࡢከࡃࡣୗࡾ㏻ಙ࡟╔┠ࡋ࡚࠾ࡾࠊୖࡧᛶ⬟ホ౯࡟ྲྀࡾ⤌ࢇ࡛࠸ࡿࠋ

ࡾ㏻ಙ࡟╔┠ࡋ࡚࠸ࡿ◊✲ࡣࡲࡔᑡ࡞࠸ࠋࡲࡓࠊࡑ

ࢀࡽࡢ◊✲࡟࠾࠸࡚ࡶࠊᑐ㇟࡜ࡋ࡚࠸ࡿࢿࢵࢺ࣮࣡

,(((M ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡୖࡾ㏻ಙ࡟

ࢡつᶍࡀᑠࡉࡃࣀ࣮ࢻᩘࡀᑡ࡞࠸ࡇ࡜ࡸࠊ࣐ࣝࢳ࣍

࠾ࡅࡿఏ㏦㐜ᘏࢆపῶࡍࡿࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ

ࢵࣉ࡞ࡀࡽ 3 ࣍ࢵࣉ௨ୖࡢࣀ࣮ࢻࡀ࡞࠸࡞࡝ࡢၥ

࡚࡟㛵ࡍࡿ◊✲

㢟Ⅼࡀṧࡗ࡚࠸ࡿࠋ
ᮏ◊✲࡛ࡣࠊIEEE 802.16j ࢿࢵࢺ࣮࣡ࢡࡢୖࡾ㏻

ಙ࡟࠾ࡅࡿఏ㏦㐜ᘏ᫬㛫ࢆపῶࡍࡿࡓࡵࡢࢱ࢖࣒ࢫ
ࣟࢵࢺ๭ࡾᙜ࡚ᡭἲࢆᥦ᱌ࡋࡓࠋ ࡲࡎࠊࢤ࣮ࢺ࢙࢘
࢖ࣀ࣮ࢻ࠿ࡽࡢ࣍ࢵࣉᩘ࡟╔┠ࡋࠊࢱ࢖࣒ࢫࣟࢵࢺ
ࢆ๭ࡾᙜ࡚ࡿࣜࣥࢡࡢ㡰ᗎࢆỴᐃࡋ࡚ࢱ࢖࣒ࢫࣟࢵ
ࢺࢆ๭ࡾᙜ࡚ࡿᡭἲࠊཬࡧࠊࢤ࣮ࢺ࢙࢘࢖ࣀ࣮ࢻࡲ
࡛ࡢ㏻ಙ⤒㊰࡟╔┠ࡋࠊࣃࢣࢵࢺࡀ㏻ಙࡉࢀࡿࣜࣥ
ࢡࡢ㡰࡟ࢱ࢖࣒ࢫࣟࢵࢺࢆ๭ࡾᙜ࡚ࡿᡭἲࢆᥦ᱌ࡋ
IEEE 802.16j ࢿࢵࢺ࣮࣡ࢡ࡛ࡣ㟁Ἴᖸ΅ࢆ㜵ࡄ᪉ࡓࠋ᪤Ꮡᡭἲ࡜ẚ㍑ホ౯ࡋࠊ࣍ࢵࣉᩘ࡟╔┠ࡋࡓᡭἲ࡜ࡋ࡚ࠊMAC ࣉࣟࢺࢥࣝ࡟࠾ࡅࡿ Orthogonalἲ࡛ࡣ≉ᐃࡢ᮲௳ୗ࡛ࠊ㏻ಙ⤒㊰࡟╔┠ࡋࡓᡭἲ࡛

Frequency Division Multiplexing Access (OFDMA) ࡟ࡣホ౯⎔ቃࡢ඲࡚ࡢ᮲௳ୗ࡛ୖࡾ㏻ಙ࡟࠾ࡅࡿఏ㏦ᇶ࡙࠸ࡓ᫬ศ๭ࢫࢣࢪ࣮ࣗࣜࣥࢢ᪉ᘧ (Time Divi-㐜ᘏ᫬㛫ࢆῶᑡࡉࡏࡿࡇ࡜ࢆ☜ㄆࡋࡓࠋsion Multiplexing Access: TDMA) ࢆ᥇⏝ࡋ࡚࠸ࡿࠋࡇ

ࡉࡽ࡟ࠊྛࣀ࣮ࢻ࡟࠾ࡅࡿᚅࡕ᫬㛫ࡀῶᑡࡍࡿࡼ

ࡢࢫࢣࢪ࣮ࣗࣜࣥࢢ᪉ᘧ࡟࠾࠸࡚ࡣࠊࣇ࣮࣒ࣞ࡜࿧

࠺࡟ᥦ᱌ᡭἲࢆᨵⰋࡋࡓᡭἲࢆᥦ᱌ࡋࡓࠋලయⓗ࡟ࡤࢀࡿ୍ᐃ㛫㝸࡟᫬㛫ࢆศ๭ࡋࠊࡑࡢࣇ࣮࣒ࣞෆ࡛

ࡣࠊࢤ࣮ࢺ࢙࢘࢖ࣀ࣮ࢻ࠿ࡽࡢ࣍ࢵࣉᩘ࡟╔┠ࡋࡓࢿࢵࢺ࣮࣡ࢡෆࡢྛࣜࣥࢡ࡟㏻ಙᶵ఍ࢆ୚࠼ࡿࠋྛ

ᡭἲ࡟ᑐࡋ࡚ࡣࠊࡼࡾ኱ࡁ࡞࣍ࢵࣉᩘࢆࡶࡘࣜࣥࢡ

ࣜࣥࢡ࡬ࡢ㏻ಙᶵ఍ࡣࣇ࣮࣒ࣞࢆ୍ᐃ㛫㝸ࡎࡘ࡟༊࡟๭ࡾᙜ࡚ࡓࢱ࢖࣒ࢫࣟࢵࢺࡼࡾࡶ᫬㛫ⓗ࡟㐜࠸ࢱษࡗࡓࢱ࢖࣒ࢫࣟࢵࢺ࡜࿧ࡤࢀࡿ༢఩࡛୚࠼ࡽࢀࠊ

࢖࣒ࢫࣟࢵࢺࢆ๭ࡾᙜ࡚ࡿࡼ࠺࡟ᨵⰋࡋࠊࢤ࣮ࢺ࢘

㸫㸫࢙࢖ࣀ࣮ࢻࡲ࡛ࡢ㏻ಙ⤒㊰ࢆ⪃៖ࡋࡓᡭἲ࡟ᑐࡋ࡚

,(((M ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ㐺

ࡣࠊ㏻ಙ⤒㊰ୖࡢࣜࣥࢡ࡟๭ࡾᙜ࡚ࡓࢱ࢖࣒ࢫࣟࢵ

ᛂኚㄪ➢ྕ໬ࢆ⪃៖ࡋࡓࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚

ࢺࡼࡾࡶ᫬㛫ⓗ࡟㐜࠸ࢱ࢖࣒ࢫࣟࢵࢺࢆ๭ࡾᙜ࡚ࡿ

࡟㛵ࡍࡿ◊✲ࡼ࠺࡟ᨵⰋࡋࡓࠋࣃࢣࢵࢺࣞ࣋ࣝࡢࢩ࣑࣮ࣗࣞࢩࣙ

IEEE 802.16j ࣐ࣝࢳ࣍ࢵࣉ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ࡟

ࣥࢆ⾜࠺ࡇ࡜࡟ࡼࡿᨵⰋᡭἲࡢホ౯ࡢ⤖ᯝࠊᨵⰋᡭ

࠾࠸࡚๭ࡾᙜ࡚ࡽࢀࡓࢱ࢖࣒ࢫࣟࢵࢺ࡟࠾ࡅࡿࢹ࣮

ἲࡀࢿࢵࢺ࣮࣡ࢡ㈇Ⲵ࡟㛵ࢃࡽࡎఏ㏦㐜ᘏ᫬㛫ࢆ๐

ࢱఏ㏦ࡢရ㉁ࡣࠊఏ㏦᫬ࡢಙྕᑐᖸ΅ẚࡢᙳ㡪ࢆ࠺ῶ࡛ࡁࡿࡇ࡜ࢆ♧ࡋࡓࠋࡅࡿࠋࡑࡢࡓࡵࠊIEEE 802.16j ࣐ࣝࢳ࣍ࢵࣉ࣮ࣜࣞ
ࢿࢵࢺ࣮࣡ࢡࡢࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚࡟࠾࠸࡚ࡣࠊ
ࢱ࢖࣒ࢫࣟࢵࢺࡀ๭ࡾᙜ࡚ࡽࢀࡓࣜࣥࢡࡢఏ㏦᫬ࡢಙྕᑐᖸ΅ẚࢆ⪃៖ࡍࡿᚲせࡀ࠶ࡿࠋఏ㏦ရ㉁ࢆ☜ಖࡋ࡞ࡀࡽࢹ࣮ࢱఏ㏦㔞ࡢᨵၿࢆྍ⬟࡜ࡍࡿ㏻ಙ᪉
ᘧ࡜ࡋ࡚ࠊ㐺ᛂኚㄪ➢ྕ໬᪉ᘧࡀ࠶ࡿࡀࠊ IEEE
802.16j ࣐ࣝࢳ࣍ࢵࣉ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ
ࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚࡟㛵ࡍࡿ᪤Ꮡ◊✲࡟࠾࠸࡚ࡣࠊ㐺ᛂኚㄪ➢ྕ໬᪉ᘧࢆ๓ᥦ࡜ࡋࡓᛶ⬟ホ౯ࡸࠊᛶ⬟ᨵၿᡭἲ࡟㛵ࡍࡿ᳨ウࢆ⾜ࡗ࡚࠸ࡿ౛ࡣ࡞࠸ࠋ
ࡑࡇ࡛ᮏ◊✲࡛ࡣࠊࢿࢵࢺ࣮࣡ࢡෆࡢࢹ࣮ࢱఏ㏦

㹙㛵㐃Ⓨ⾲ㄽᩥ㹛᫬ࡢಙྕᑐᖸ΅ẚࢆ⪃៖ࡋࡓࠊIEEE 802.16j ࣐ࣝࢳ(1) ⏣୰ៅᖹ, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯,࣍ࢵࣉ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡࡢࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ

͆IEEE 802.16jୖࡾ㏻ಙ࡟࠾ࡅࡿఏ㏦㐜ᘏ᫬㛫࡚ᡭἲࢆᥦ᱌ࡋࡓࠋᥦ᱌ᡭἲ࡛ࡣࠊ⡆᫆ⓗ࡞㟁Ἴᖸపῶࡢࡓࡵࡢࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚ᡭἲࡢᥦ

΅ࣔࢹࣝ࡟ᇶ࡙ࡁࠊࣜࣥࢡ࡬ࡢࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾ

᱌,͇ಙᏛᢏሗ (NS2010-78), vol.110, no.240,

ᙜ࡚ࢆ⾜ࡗࡓᚋࠊྛࣜࣥࢡࡢఏ㏦ရ㉁ࢆಙྕᑐᖸ΅

pp.49-54, Oct. 2010.

ẚࢆ⪃៖ࡋࡓᖸ΅ࣔࢹࣝ࡟ᇶ࡙࠸࡚ホ౯ࡍࡿࠋࡑࡢ

(2) Shimpei Tanaka, “Time slot assignment algorithms

ᚋࠊࢿࢵࢺ࣮࣡ࢡෆ࡛࣎ࢺࣝࢿࢵࢡ࡜࡞ࡗ࡚࠸ࡿࣜ

to upstream links for decreasing transmission laten-ࣥࢡ࡟๭ࡾᙜ࡚ࡿࢱ࢖࣒ࢫࣟࢵࢺᩘࢆቑຍࡉࡏࡿࠋ

cy in IEEE 802.16j networks,” Master’s Thesis,ࡇࢀ࡟ࡼࡾࠊ࣎ࢺࣝࢿࢵࢡࣜࣥࢡࡢᐇຠᖏᇦࡀቑຍ

Graduate School of Information Science and Tech-ࡍࡿࡓࡵࠊࢿࢵࢺ࣮࣡ࢡᛶ⬟ࡢྥୖࡀᮇᚅ࡛ࡁࡿࠋ

nology, Osaka University, Feb. 2011.

ᥦ᱌ᡭἲࡢᛶ⬟ホ౯ࡣࠊእ㒊ࢿࢵࢺ࣮࣡ࢡ࡬ࡢࢹ࣮

(3) ⏣୰ៅᖹ, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯, ͆㏻

ࢱ㌿㏦ࢫ࣮ࣝࣉࢵࢺࠊ࠾ࡼࡧ඲࡚ࡢࣜࣥࢡ࡬๭ࡾᙜ

ಙ⤒㊰ࢆ⪃៖ࡋࡓIEEE 802.16jୖࡾࣜࣥࢡ࡬ࡢ

࡚ࡓࢱ࢖࣒ࢫࣟࢵࢺ⥲ᩘࢆホ౯ᣦᶆ࡜ࡋࠊᩘ್ィ⟬ࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚ᡭἲࡢᣑᙇ,͇ ಙᏛᢏᡭἲ࡟ࡼࡗ࡚⾜࠺ࠋᛶ⬟ホ౯ࡢ⤖ᯝࠊᥦ᱌ᡭἲࢆ⏝ሗ (NS2010-195), vol.110, no.448, pp.181-186, Mar.

࠸ࡿࡇ࡜࡛᪤Ꮡᡭἲ࡟ẚ࡭࡚ࠊࢹ࣮ࢱ㌿㏦ࢫ࣮ࣝࣉ2011.

ࢵࢺࡀ᭱኱⣙ 50% ᨵၿࡍࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ

(4) Shimpei Tanaka, Go Hasegawa, Yoshiaki Taniguchi,
and Hirotaka Nakano, “Time slot assignment algorithms for reducing upstream latency in IEEE
802.16j networks,” in Proceedings of the 7th Advanced International Conference on Telecommunications (AICT 2011), Mar. 2011.

㸫㸫㹙㛵㐃Ⓨ⾲ㄽᩥ㹛⨨ᡭἲࡸࣀ࣮ࢻࡢ෌㓄⨨ᡭἲࡀᥦ᱌ࡉࢀ࡚࠸ࡿࠋࡋ

(1) ໭ᒣᬛஓ, ͆IEEE 802.16j࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ࡟

࠿ࡋࠊIEEE 802.16j ࡟ᇶ࡙ࡃ↓⥺࣮ࣜࣞࢿࢵࢺ࣮࣡

࠾ࡅࡿ㐺ᛂኚㄪ➢ྕ໬ࢆ⪃៖ࡋࡓࢱ࢖࣒ࢫࣟࢵ

ࢡࢆᑐ㇟࡜ࡋࡓᛶ⬟ホ౯ࡀ⾜ࢃࢀࡓ౛ࡣᏑᅾࡋ࡞࠸ࠋ

ࢺ๭ࡾᙜ࡚ᡭἲ,͇ ኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗ⛉ࡑࡇ࡛ᮏ◊✲࡛ࡣࠊIEEE 802.16j ࣮ࣜࣞࢿࢵࢺ࣮࣡

Ꮫ⛉≉ู◊✲ሗ࿌, Feb. 2011.

ࢡ࡟࠾࠸࡚࣮ࣜࣞࣀ࣮ࢻࡢ఩⨨ࢆㄪᩚࡍࡿࡇ࡜ࡀ㏻ಙᛶ⬟࡟୚࠼ࡿᙳ㡪ࢆホ౯ࡋࡓࠋ࣮ࣜࣞࣀ࣮ࢻࡢ఩

,(((M ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࣀ

⨨ㄪᩚࢆ⾜࠺ࡓࡵࡢ⛣ື᪉ἲ࡜⛣ື᮲௳ࢆᐃ⩏ࡋࠊ࣮ࢻ఩⨨ࡢㄪᩚ࡟ࡼࡿ㏻ಙᛶ⬟ᨵၿ࡟㛵ࡍࡿ◊✲

IEEE 802.16j ࡟ᇶ࡙ࡃࢿࢵࢺ࣮࣡ࢡࣔࢹࣝࢆ⏝࠸࡚ࠊ

IEEE 802.16 ࣐ࣝࢳ࣍ࢵࣉ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ࡟

ᵝࠎ࡞ࣀ࣮ࢻᩘࠊ᭱኱ఏ㏦㊥㞳ࠊᖸ΅ẚࢆᣢࡘࣜࣞ

࠾࠸࡚ຠ⋡ࡢࡼ࠸㏻ಙࢆ⾜࠺ࡓࡵ࡟ࡣࠊࢿࢵࢺ࣮࣡

࣮ࢿࢵࢺ࣮࣡ࢡ࡟࠾࠸࡚࣮ࣜࣞࣀ࣮ࢻ 1 ࣀ࣮ࢻࡢࢡෆࡢ඲࡚ࡢࣜࣥࢡࡀ㏻ಙࢆ⾜࠺ࡓࡵ࡟ᚲせ࡜࡞ࡿ఩⨨ㄪᩚࢆ⾜ࡗࡓ࡜ࡁࡢࣇ࣮࣒ࣞ㛗ࡢኚ໬ࢆホ౯ࡋࢱ࢖࣒ࢫࣟࢵࢺᩘ㸦ࣇ࣮࣒ࣞ㛗㸧ࢆᑠࡉࡃࡍࡿࡇ࡜

ࡓࠋࡲࡓࠊ」ᩘࡢ࣮ࣜࣞࣀ࣮ࢻࢆ 1 ࣀ࣮ࢻࡎࡘ᭱㐺ࡀ㔜せ࡜࡞ࡿࠋࣇ࣮࣒ࣞ㛗ࢆᑠࡉࡃࡍࡿࡇ࡜࡟ࡼࡗ

࡞఩⨨࡟⛣ືࡉࡏࡓ࡜ࡁࡢᛶ⬟ᨵၿࡢホ౯ࢆ⾜࠸ࠊ࡚ࠊྛࣜࣥࢡࡢ༢఩᫬㛫࠶ࡓࡾࡢ㏻ಙᶵ఍ࡀቑຍࡋࠊ

⛣ືࡉࡏࡓ࣮ࣜࣞࣀ࣮ࢻᩘ࡟ᑐࡍࡿᛶ⬟ᨵၿຠᯝࢆ

ࢿࢵࢺ࣮࣡ࢡࢫ࣮ࣝࣉࢵࢺࡀྥୖࡍࡿࠋࢱ࢖࣒ࢫࣟホ౯ࡋࡓࠋࡑࡢ⤖ᯝࠊ1 ࣀ࣮ࢻࡢ఩⨨ㄪᩚࢆ⾜࠺ࡇࢵࢺ๭ࡾᙜ࡚ࢆ⾜࠺㝿ࠊ㏻ಙ㔞ࡀ኱ࡁ࠸ࣜࣥࢡྠኈ

࡜࡟ࡼࡾ᭱኱⣙ 16%ࡢࣇ࣮࣒ࣞ㛗ࡢ๐ῶࡀྍ⬟࡛࠶ࡀᖸ΅㛵ಀ࡜࡞ࡗ࡚࠸ࡿሙྜࡸࠊከᩘࡢࣜࣥࢡ㛫࡛ࡿࡇ࡜ࠊࡲࡓ」ᩘࡢ࣮ࣜࣞࣀ࣮ࢻࡢ㡰ḟ఩⨨ㄪᩚࢆ㟁Ἴᖸ΅ࡀⓎ⏕ࡍࡿሙྜ࡟ࡣࠊ㟁Ἴᖸ΅ࡀⓎ⏕ࡍࡿ⾜࠺ࡇ࡜࡟ࡼࡾ᭱኱ 22%ࡢࣇ࣮࣒ࣞ㛗ࡢ๐ῶࡀྍ⬟ࣜࣥࢡ࡟ࡣ␗࡞ࡿࢱ࢖࣒ࢫࣟࢵࢺࢆ๭ࡾᙜ࡚ࡿᚲせ࡛࠶ࡿࡇ࡜ࢆ♧ࡋࡓࠋࡀ࠶ࡿࡓࡵࠊࢿࢵࢺ࣮࣡ࢡෆࡢ඲࡚ࡢࣜࣥࢡࡀ㏻ಙ
ࢆ⾜࠺ࡓࡵ࡟ᚲせ࡞ࢱ࢖࣒ࢫࣟࢵࢺᩘࡀቑ኱ࡋࠊࣇ

㹙㛵㐃Ⓨ⾲ㄽᩥ㹛࣮࣒ࣞ㛗ࡀ኱ࡁࡃ࡞ࡿࠋࡇࡢ࡜ࡁࠊࣜࣥࢡ㛫ࡢᖸ΅(1) 㔜⸨㝯ᩥ, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯,࡟ࡼࡾከᩘࡢࢱ࢖࣒ࢫࣟࢵࢺࡀᚲせ࡜࡞ࡿࣜࣥࢡࢆ

͆IEEE 802.16j ࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࣀ࣮ࢻ఩

ᵓᡂࡍࡿ࣮ࣜࣞࣀ࣮ࢻࢆ⛣ືࡉࡏ࡚఩⨨ࡢㄪᩚࢆ⾜⨨ࡢㄪᩚ࡟ࡼࡿ㏻ಙᛶ⬟ࡢᨵၿ,͇ 㟁Ꮚ᝟ሗ㏻࠸ࠊࣜࣥࢡ㛫ࡢᖸ΅㛵ಀࢆゎᾘࠊࡲࡓࡣ㍍ῶࡍࡿࡇಙᏛ఍➨8ᅇQoS࣮࣡ࢡࢩࣙࢵࣉண✏㞟࡜࡟ࡼࡾࠊࡑࢀࡽࡢࣜࣥࢡ࡟␗࡞ࡿࢱ࢖࣒ࢫࣟࢵࢺ

(QW8-P-01), Nov. 2010.

ࢆ๭ࡾᙜ࡚ࡿᚲせࡀ࡞ࡃ࡞ࡾࠊࣇ࣮࣒ࣞ㛗ࡀ๐ῶࡉࢀࠊࢿࢵࢺ࣮࣡ࢡࢫ࣮ࣝࣉࢵࢺࡢྥୖࡀᮇᚅ࡛ࡁࡿࠋ

 㞀ᐖ≀ࡀ㟁Ἴఏᦙ࡟୚࠼ࡿᙳ㡪ࢆ⪃៖ࡋࡓ,(((M ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡࡢᛶ⬟ホ౯࡟㛵ࡍࡿ◊✲IEEE 802.16 ࣐ࣝࢳ࣍ࢵࣉ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ࡟
࠾࠸࡚ࢿࢵࢺ࣮࣡ࢡ඲యࡢࢫ࣮ࣝࣉࢵࢺࡸࢧ࣮ࣅࢫ
㠃✚࡞࡝ࡢホ౯ࢆ⾜࠺㝿࡟ࡣࠊ㏦ಙࣀ࣮ࢻࡀఏ㏦ྍ
⬟࡞㏻ಙ⠊ᅖࡸ㏆㞄ࣀ࣮ࢻ࡟㟁Ἴᖸ΅ࢆཬࡰࡍ⠊ᅖࡇࡢࡼ࠺࡞ࣀ࣮ࢻ఩⨨ࡢㄪᩚ࡟ࡼࡿࢿࢵࢺ࣮࣡ࢡ

ࢆࠊ㏦ಙࣀ࣮ࢻࢆ୰ᚰ࡜ࡋࡓ෇≧ࡢ⠊ᅖෆ࡜ᐃ⩏ࡋ

㏻ಙᛶ⬟ࡢᨵၿࡣࠊࢭࣥࢧࢿࢵࢺ࣮࣡ࢡࡢศ㔝࡛ࡣࠊࡓࢿࢵࢺ࣮࣡ࢡࣔࢹࣝࡀᚑ᮶౑⏝ࡉࢀ࡚࠸ࡿࠋࡇࡢ

ࣀ࣮ࢻࡢ෌㓄⨨ᡭἲ࡜ࡋ᳨࡚ウࡉࢀ࡚࠾ࡾࠊࢹ࣮ࢱ

ࣔࢹࣝࢆ⏝࠸ࡓ᪤Ꮡࡢ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡࡢᛶ⬟ホ

ఏ㏦⋡ࡸࢭࣥࢧ࡟ࡼࡿ᳨▱⠊ᅖࠊࢭࣥࢧࣀ࣮ࢻ࠿ࡽ

౯࡟࠾࠸࡚ࡣࠊ㞀ᐖ≀ࡢᏑᅾࡣ᝿ᐃࡉࢀ࡚࠾ࡽࡎࠊ

࣮࣋ࢫࢫࢸ࣮ࢩࣙࣥࣀ࣮ࢻࡲ࡛ࡢ࣍ࢵࣉᩘ࡞࡝ࡢᣦ

㏻ಙ㟁Ἴࡀ㞀ᐖ≀࡟ࡼࡗ࡚ཷࡅࡿᙳ㡪ࢆ⪃៖ࡋ࡚࠸ᶆࢆ⏝࠸࡚ࠊᛶ⬟ྥୖࢆ┠ⓗ࡜ࡋࡓᵝࠎ࡞ࣀ࣮ࢻ㓄࡞࠸ࠋ୍⯡ⓗ࡟ࠊ㞀ᐖ≀࡟ࡼࡗ࡚㟁Ἴࡣ㐽᩿ࠊ཯ᑕࠊ

㸫㸫ᅇᢡ࡞࡝ᵝࠎ࡞ᙳ㡪ࢆཷࡅࡿࠋࡑࡢࡓࡵࠊ㞀ᐖ≀ࡀ࡜ࡢẚ㍑ࢆ⾜࠺ࡇ࡜࡟ࡼࡗ࡚ࠊࢿࢵࢺ࣮࣡ࢡࣃ࣓ࣛ

࡞࠸ሙྜ࡟ࡣ㏻ಙྍ⬟࡛࠶ࡗࡓࣀ࣮ࢻྠኈࡢ㛫࡟㞀࣮ࢱࡢ㛵㐃ᛶࢆ᫂ࡽ࠿࡟ࡋࡓࠋ

ᐖ≀ࡀᏑᅾࡍࡿࡇ࡜࡟ࡼࡾ㏻ಙࡀ୙ྍ⬟࡟࡞ࡾࠊࢿ
ࢵࢺ࣮࣡ࢡᛶ⬟ࡀపୗࡍࡿࡇ࡜ࡀ⪃࠼ࡽࢀࡿࠋ୍᪉ࠊ
㏆㞄ࣀ࣮ࢻ࠿ࡽཷࡅࡿ㟁Ἴᖸ΅ࡢᙳ㡪ࡀῶᑡࡍࡿࡇ
࡜࡟ࡼࡾࠊ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ඲యࡢ᥋⥆㛵ಀࡸᖸ΅㛵ಀࡀኚ໬ࡍࡿࠋ࣐ࣝࢳ࣍ࢵࣉ࣮ࣜࣞࢿࢵࢺ࣮࣡
ࢡ࡛ࡣ᫬ศ๭࡟ࡼࡿ↓⥺㏻ಙ᪉ᘧࡀ᥇⏝ࡉࢀ࡚࠸ࡿ
ࡓࡵࠊ᥋⥆㛵ಀཬࡧᖸ΅㛵ಀࡢኚ໬ࡀࢿࢵࢺ࣮࣡ࢡ
ࢫ࣮ࣝࣉࢵࢺ࡟ᙳ㡪ࢆ୚࠼ࡿࠋࡲࡓࠊ㞀ᐖ≀ࡢᙳ㡪࡟ࡼࡾࠊ࡝ࡢࣀ࣮ࢻ࡜ࡶ㏻ಙ࡛ࡁ࡞࠸Ꮩ❧ࣀ࣮ࢻࡀⓎ⏕ࡋࠊ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡࡀ࣮ࣘࢨ➃ᮎ࡟ᑐࡋ࡚

㹙㛵㐃Ⓨ⾲ㄽᩥ㹛ᥦ౪ࡍࡿࢧ࣮ࣅࢫ㠃✚࡟ࡶᙳ㡪ࢆ୚࠼ࡿࠋࡋࡓࡀࡗ

(1) ఀໃᝆ㍤, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯, ͆㞀࡚࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡࡢᐇୡ⏺࡟࠾ࡅࡿ㐺⏝ྍ⬟ᛶᐖ≀࡟ࡼࡿ㏻ಙ㟁Ἴࡢ㐽᩿ࢆ⪃៖ࡋࡓIEEEࢆ᳨ウࡍࡿࡓࡵ࡟ࡣࠊ㞀ᐖ≀ࡢᙳ㡪ࢆ⪃៖ࡋࡓࣜࣞ

802.16j࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡࡢᛶ⬟ホ౯,͇ಙᏛᢏ

࣮ࢿࢵࢺ࣮࣡ࢡࡢᛶ⬟ホ౯ࢆ⾜࠺ࡇ࡜ࡀ㔜せ࡛࠶ࡿࠋሗ (IN2010-54), vol.110, no.191, pp.61-66, Sep.
2010.
 ↓⥺࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿಙྕᑐᖸ΅ẚࢆ⪃៖ࡋࡓ⡆᫆㟁Ἴᖸ΅ࣔࢹࣝ࡟㛵ࡍࡿ◊✲↓⥺ࢿࢵࢺ࣮࣡ࢡ࡟࠾࠸࡚ࡣࠊ㏆㞄ࡢ」ᩘࡢࣜࣥ
ࢡࡀྠ୍ࢳࣕࢿࣝ࡟࠾࠸࡚ྠ᫬࡟౑⏝ࡉࢀࡿ࡜ࠊ↓⥺ಙྕࡀ⾪✺ࡋࠊྛࣜࣥࢡ࡛↓⥺ಙྕࢆṇᖖ࡟ཷಙࡑࡇ࡛ᮏ◊✲࡛ࡣࠊ㞀ᐖ≀ࡀ㟁Ἴఏᦙ࡟୚࠼ࡿᙳ

࡛ࡁ࡞ࡃ࡞ࡿ㟁Ἴᖸ΅ࡢၥ㢟ࡀ࠶ࡿࠋ㟁Ἴᖸ΅ࢆᅇ㡪ࢆ⪃៖ࡋࡓ IEEE 802.16 ࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡࡢᛶ

㑊ࡍࡿࡓࡵ࡟ࠊTDMA ᪉ᘧ࡛ࡣࠊ࠶ࡽ࠿ࡌࡵᖸ΅㛵⬟ホ౯ࢆ⾜ࡗࡓࠋලయⓗ࡟ࡣࠊᚑ᮶ࠊᛶ⬟ホ౯࡟⏝ಀ࡟࠶ࡿࣜࣥࢡ࡟␗࡞ࡿࢱ࢖࣒ࢫࣟࢵࢺࢆ๭ࡾᙜ࡚

࠸ࡽࢀ࡚࠸ࡿࢿࢵࢺ࣮࣡ࢡࣔࢹࣝ࡟㞀ᐖ≀ࢆᑟධࡋࠊ

ࡿࠋ↓⥺࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡ࡛ࡣࠊࣀ࣮ࢻࡣࣔࣅ

㏻ಙ㟁Ἴࡀ㞀ᐖ≀࡟ࡼࡗ࡚㐽᩿ࡉࢀࡿᙳ㡪ࢆ⪃៖ࡋࣜࢸ࢕ࢆᣢࡓࡎࢿࢵࢺ࣮࣡ࢡᵓᡂࡣᏳᐃࡍࡿࡓࡵࠊࡓᛶ⬟ホ౯ࣔࢹࣝࢆᵓ⠏ࡋࡓࠋࡉࡽ࡟ࠊࡑࡢࣔࢹࣝ

TDMA ᪉ᘧࢆ฼⏝ࡍࡿࡇ࡜ࡀ୺࡟᝿ᐃࡉࢀ࡚࠸ࡿࠋ

ࢆ⏝࠸࡚ࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⾜࠺ࡇ࡜࡟ࡼࡾࠊࣜࣞ

ࡲࡓࠊ↓⥺࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡ୰ࡢࣜࣥࢡࡢᖸ΅࣮ࢿࢵࢺ࣮࣡ࢡࡢࢧ࣮ࣅࢫ㠃✚ࠊࣇ࣮࣒ࣞ㛗ࠊཬࡧ㛵ಀࢆࢢࣛࣇ࡜ࡋ࡚⾲ࡋࡓሙྜࠊ㟁Ἴᖸ΅ࢆ㑊ࡅ࡚⤒㊰㛗࡟㛵ࡍࡿホ౯ࢆ⾜ࡗࡓࠋホ౯ࡢ⤖ᯝࠊ㞀ᐖ≀ࢱ࢖࣒ࢫࣟࢵࢺࢆ๭ࡾᙜ࡚ࡿၥ㢟ࡣࢢࣛࣇᙬⰍၥ㢟ᩘࡀẚ㍑ⓗᑡ࡞࠸ሙྜ࡛ࡣࠊࢧ࣮ࣅࢫ㠃✚ࡢῶᑡᖜ࡜➼౯࡛࠶ࡿࠋࡑࡢࡓࡵࠊࢢࣛࣇ⌮ㄽ࡟ᇶ࡙ࡃࢱ࢖

ࡣᑠࡉ࠸ࡀࠊࢤ࣮ࢺ࢙࢘࢖ࣀ࣮ࢻ࠿ࡽ࣮ࣜࣞࣀ࣮ࢻ

࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚ᡭἲࡀከࡃᥦ᱌ࡉࢀ࡚࠸ࡿࠋ

ࡲ࡛ࡢ⤒㊰㛗ࡀቑຍࡍࡿࡇ࡜ࠊࡲࡓࠊࡑࡢ㝿ࠊࣜࣞࢢࣛࣇ⌮ㄽ࡟ᇶ࡙ࡃࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚ᡭἲ

࣮ࣀ࣮ࢻࢆ㏣ຍࡍࡿࡇ࡜࡟ࡼࡗ࡚㞀ᐖ≀ࡢᙳ㡪ࢆᡴ࡛ࡣࠊࣜࣥࢡࡢᖸ΅㛵ಀࡢ᝟ሗࢆྲྀᚓࡍࡿࡓࡵࠊ⡆ࡕᾘࡋࠊᑡ࡞࠸ࣇ࣮࣒ࣞ㛗ࡢቑຍ࡛ࢧ࣮ࣅࢫ㠃✚ࢆ᫆㟁Ἴᖸ΅ࣔࢹࣝ㸦Protocol model࡜ࡶ࿧ࡤࢀࡿ㸧ࡀᨵၿ࡛ࡁࡿࡇ࡜ࢆ♧ࡋࡓࠋࡲࡓࠊ኱㜰኱Ꮫ㇏୰࢟ࣕ

ࡼࡃ⏝࠸ࡽࢀࡿࠋ⡆᫆㟁Ἴᖸ΅ࣔࢹࣝࡣࠊࣀ࣮ࢻࡢ

ࣥࣃࢫ࡟࠾ࡅࡿᘓ≀㓄⨨ࢆ᝿ᐃࡋࡓ⎔ቃ࡟࠾ࡅࡿᛶ

఩⨨ࡸᖸ΅ẚ࡜࿧ࡤࢀࡿᖸ΅⠊ᅖࢆỴᐃࡍࡿࣃ࣓ࣛ⬟ホ౯ࢆ⾜࠸ࠊࣛࣥࢲ࣒࡟㞀ᐖ≀ࢆ㓄⨨ࡋࡓࣔࢹࣝ

࣮ࢱ࡞࡝࡟ᇶ࡙ࡁࠊ୍ព࡟ࣜࣥࢡ㛫ࡢᖸ΅㛵ಀࢆỴ㸫㸫ᐃྍ⬟࡛࠶ࡿࡀࠊᐇ㝿ࡢ㟁Ἴᖸ΅≉ᛶ࡜ẚ࡭࡚ᖸ΅

Thesis, Graduate School of Information Science andุ᩿ࡢ⢭ᗘࡀప࠸࡜࠸࠺ၥ㢟ࡀ࠶ࡿࠋ୍᪉ࠊᐇ㝿ࡢ

Technology, Osaka University, Feb. 2011.

㟁Ἴᖸ΅≉ᛶ࡜㏆࠸ᖸ΅ุ᩿ࡀྍ⬟࡛࠶ࡿ࡜ࡉࢀࡿ

(3) ጧிᘏ, ㇂ཱྀ⩏᫂, 㛗㇂ᕝ๛, ୰㔝༤㝯, ͆↓⥺㟁Ἴᖸ΅ࣔࢹࣝ࡜ࡋ࡚ࠊಙྕᑐᖸ΅ẚࣔࢹࣝ㸦SINR

࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿಙྕᑐᖸ΅ẚࢆmodel: signal-to-interference-plus-noise ratio model㸧ࡀ⪃៖ࡋࡓ⡆᫆㟁Ἴᖸ΅ࣔࢹࣝࡢホ౯,͇ ಙᏛᢏ▱ࡽࢀ࡚࠸ࡿࠋࡋ࠿ࡋ࡞ࡀࡽࠊಙྕᑐᖸ΅ẚࣔࢹࣝሗ (NS2010-189), vol.110, no.448, pp.145-150, Mar.

࡟࠾࠸࡚ࡣࠊࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚๓࡟ࣜࣥࢡ㛫2011.

ࡢᖸ΅㛵ಀࡀ୍ព࡟Ỵࡲࡽ࡞࠸ࡓࡵࠊࢱ࢖࣒ࢫࣟࢵ

(4) Gyeongyeon Kang, Yoshiaki Taniguchi, Go Haseg-ࢺ๭ࡾᙜ࡚ᡭἲ࡟㐺⏝ࡍࡿࡇ࡜ࡣ㞴ࡋ࠸ࠋ

awa, and Hirotaka Nakano, “Extending the protocolᡃࠎࡢ◊✲ࢢ࣮ࣝࣉ࡛ࡣࠊ↓⥺࣓ࢵࢩࣗࢿࢵࢺ࣡

interference model considering SINR for wireless࣮ࢡ࡟࠾ࡅࡿࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚ᡭἲ࡬㐺⏝ࡍmesh networks,” in Proceedings of the 7th Advancedࡿࡓࡵࡢࠊ㧗࠸⢭ᗘ࡛ᖸ΅ุ᩿ࡢ࡛ࡁࡿ㟁Ἴᖸ΅ࣔInternational Conference on Telecommunicationsࢹࣝ࡟㛵ࡍࡿ◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋᮏ◊✲࡛ࡣࠊ⡆᫆

(AICT 2011), Mar. 2011.

㟁Ἴᖸ΅ࣔࢹࣝࡢࣃ࣓࣮ࣛࢱタᐃࡀࠊಙྕᑐᖸ΅ẚࣔࢹࣝୖࡢᖸ΅ุ᩿࡟୚࠼ࡿᙳ㡪ࡢヲ⣽࡞ホ౯ࢆ⾜ ↓⥺ࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ⿕そ㡿ᇦࡢᨵၿ࡟

࠺ࠋࡲࡎࠊࡉࡲࡊࡲ࡞ಙྕᑐᖸ΅ẚࡢศᕸࢆ⪃៖ࡋ㛵ࡍࡿ◊✲

⡆᫆㟁Ἴᖸ΅ࣔࢹࣝࡢࣃ࣓࣮ࣛࢱࢆㄪᩚࡍࡿᡭἲࢆ

↓⥺࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡ࡛ࡣࠊ࣓ࢵࢩࣗࣀ࣮ࢻ

ᥦ᱌ࡍࡿࠋࡉࡽ࡟ᥦ᱌ᡭἲࢆ⏝࠸࡚⡆᫆㟁Ἴᖸ΅ࣔࡣࡑࡢ⿕そ㡿ᇦෆ࡟Ꮡᅾࡍࡿ࣮ࣘࢨ➃ᮎ࡟࢖ࣥࢱ࣮

ࢹࣝࡢࣃ࣓࣮ࣛࢱࢆㄪᩚࡋࠊࢱ࢖࣒ࢫࣟࢵࢺࢆ๭ࡾ

ࢿࢵࢺ࢔ࢡࢭࢫ⎔ቃࢆᥦ౪ࡍࡿࠋ࠸ࡃࡘ࠿ࡢ↓⥺ࢭᙜ࡚ࡿࡇ࡜࡟ࡼࡾࠊ⡆᫆㟁Ἴᖸ΅ࣔࢹࣝୖࡢᖸ΅ุࣥࢧࢿࢵࢺ࣮࣡ࢡ࡛ࡣࠊࢭࣥࢧࣀ࣮ࢻࡣ⿕そ㡿ᇦࢆ᩿࡜ಙྕᑐᖸ΅ẚࣔࢹࣝୖࡢᖸ΅ุ᩿ࡀ࡝ࡢࡼ࠺࡞

┘どࡋࠊᚓࡽࢀࡓࢹ࣮ࢱࢆ཰㞟ࡍࡿࠋࡇࢀࡽࡢࢿࢵ

㛵ಀ࡟࠶ࡿ࠿ࢆᐃ㔞ⓗ࡟᫂ࡽ࠿࡟ࡍࡿࠋࢩ࣑࣮ࣗࣞ

ࢺ࣮࣡ࢡ࡟࠾ࡅࡿ⿕そ㡿ᇦࡢ኱ࡁࡉࡸ㔜」ᗘࡣࠊ㏻

ࢩࣙࣥホ౯ࡢ⤖ᯝࠊࣀ࣮ࢻẖ࡟␗࡞ࡿᖸ΅ẚࢆ๭ࡾಙᛶ⬟ࡸࢭࣥࢩࣥࢢᛶ⬟ࠊᾘ㈝㟁ຊ࡜࠸ࡗࡓࢿࢵࢺ

ᙜ࡚ࡿࡇ࡜࡟ࡼࡾࠊᖸ΅ุ᩿ࡢ⢭ᗘࡀ᭱኱15%ྥୖ

࣮࣡ࢡᛶ⬟࡟኱ᖜ࡞ᙳ㡪ࢆ୚࠼ࡿࠋྛࣀ࣮ࢻࡢ⿕そࡍࡿࡇ࡜ࢆ☜ㄆࡋࡓࠋ㡿ᇦࡢ኱ࡁࡉࢆ㐺ษ࡟Ỵᐃࡍࡿࡓࡵ࡟ࡣࠊ㞄᥋ࣀ࣮ࢻࡢ఩⨨᝟ሗࢆ฼⏝ࡍࡿࡇ࡜ࡀ㔜せ࡛࠶ࡿࠋࡋ࠿ࡋ
࡞ࡀࡽࢿࢵࢺ࣮࣡ࢡࢆᵓ⠏ࡍࡿ⎔ቃ࡟ࡼࡗ࡚ࡣࠊࡑ
ࡢ᝟ሗࡢ୍㒊ࡲࡓࡣ඲࡚ࢆ฼⏝࡛ࡁ࡞࠸ྍ⬟ᛶࡀ࠶ࡿࠋᮏ◊✲࡛ࡣࠊ㞄᥋ࣀ࣮ࢻ࡟㛵ࡍࡿ฼⏝ྍ⬟࡞᝟ሗࡢ✀㢮࡟ᛂࡌࡓࠊ⿕そ㡿ᇦࡢ኱ࡁࡉࢆỴᐃࡍࡿࡓࡵ

㹙㛵㐃Ⓨ⾲ㄽᩥ㹛ࡢ࠸ࡃࡘ࠿ࡢᡭἲࢆ᳨ウࡋࡓࠋࡲࡎࠊ↓⥺࣓ࢵࢩࣗ(1) ጧிᘏ, ㇂ཱྀ⩏᫂, 㛗㇂ᕝ๛, ୰㔝༤㝯, ͆↓⥺ࢿࢵࢺ࣮࣡ࢡ࡟࠾࠸࡚ࠊ㞄᥋ࣀ࣮ࢻ࡟㛵ࡍࡿ฼⏝ྍ࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿಙྕᑐᖸ΅ẚࢆ⬟࡞᝟ሗࢆ 3 ✀㢮௬ᐃࡋࠊࡑࢀࡒࢀࡢሙྜ࡟ᑐࡋ࡚

⪃៖ࡋࡓ⡆᫆㟁Ἴᖸ΅ࣔࢹࣝ࡟㛵ࡍࡿ᳨୍ウ,͇⿕そ㡿ᇦࡢไᚚᡭἲࢆᥦ᱌ࡋࡓࠋ᭱ึࡢᡭἲࡣࠊྛ

ಙᏛᢏሗ (NS2010-79), vol.110, no.240, pp.55-60,

ࣀ࣮ࢻࡀ᝟ሗࢆ୍ษ฼⏝࡛ࡁ࡞࠸ሙྜ࡟ᑐࡍࡿࡶࡢ

Oct. 2010.

࡛࠶ࡿࠋ஧ࡘ┠ࡢᡭἲࡣࠊྛࣀ࣮ࢻࡀ㞄᥋ࣀ࣮ࢻࡢ

(2) Gyeongyeon Kang, “A study on parameter tuning ofಶᩘࡢࡳࢆ฼⏝ྍ⬟࡞ሙྜࢆ᝿ᐃࡋ࡚࠸ࡿࠋ᭱ᚋࡢ

protocol interference model considering SINR forᡭἲࡣࠊ㞄᥋ࣀ࣮ࢻࡢṇ☜࡞఩⨨᝟ሗࢆ฼⏝ࡍࡿࡶTDMA-based wireless mesh networks,” Master’sࡢ࡛࠶ࡿࠋࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡗ࡚ࠊ⿕そ⋡ࠊ㔜㸫㸫」ᗘࠊᾘ㈝㟁ຊࠊ㟁Ἴ㈨※฼⏝ຠ⋡࡟㛵ࡍࡿᛶ⬟ホ

Feb. 2011.

౯ࢆ⾜ࡗࡓࠋࡇࡢ୰࡛ࠊ฼⏝ࡍࡿ᝟ሗࡢ⢏ᗘ࡜ᛶ⬟(4) ➉᳃⩧୍, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯, ͆↓ࡢࢺ࣮ࣞࢻ࢜ࣇࢆ᫂ࡽ࠿࡟ࡍࡿ࡯࠿ࠊṇ☜࡞఩⨨᝟⥺ࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿᒁᡤࢺ࣏ࣟࢪ᝟ሗࢆ⏝ሗ࠿ࡽᑟ࠸ࡓ࣎ࣟࣀ࢖ᅗࢆ⏝࠸ࡿᡭἲࡀࠊ᭱ࡶ㧗࠸࠸ࡓ⿕そ㡿ᇦࡢ⮬ᚊไᚚᡭἲ,͇ ಙᏛᢏሗᛶ⬟ࢆⓎ᥹ࡍࡿࡇ࡜ࢆ♧ࡋࡓࠋ(NS2010-196), vol.110, no.448, pp.187-192, Mar.

ࡉࡽ࡟ࠊ㞄᥋ࣀ࣮ࢻ࡬ࡢ㊥㞳᝟ሗࡢࡳࡀ฼⏝ྍ⬟

2011.

࡞ሙྜ࡟ᑐࡍࡿࠊ࣎ࣟࣀ࢖ᅗࢆ⏝࠸ࡓࡶ࠺୍ࡘࡢᡭ
ἲࢆᥦ᱌ࡋࡓࠋࡇࡢᡭἲ࡛ࡣࠊྛࣀ࣮ࢻࡣ᥎ᐃࡉࢀ

࢜ࣈࢪ࢙ࢡࢺࡢ㏣㊧࡜ィᩘ࡟㛵ࡍࡿ◊✲㏆ᖺࠊ㐨㊰ࡢ㏻⾜㔞ࡸᘓ≀ࠊദࡋ≀఍ሙ➼ࡢධ㏥

ࡓ㊥㞳᝟ሗ࡟ᇶ࡙࠸࡚ࠊ㞄᥋ࣀ࣮ࢻࡢ┦ᑐ఩⨨ࢆ᥎ᐃࡍࡿࠋࡑࡋ࡚ࡑࡢ఩⨨࠿ࡽ࣎ࣟࣀ࢖ᅗࢆィ⟬ࡋࠊሙ⪅ᩘࢆᢕᥱࡍࡿࡓࡵࡢேὶィࡑࡢᙧ࡟ᑐࡋ࡚⿕そ㡿ᇦࡢ኱ࡁࡉࢆỴᐃࡍࡿࠋ⿕そ㟂せࡀ㧗ࡲࡗ࡚࠸ࡿࠋᮏ◊✲࡛ࡣࠊ࣓࡛࢝ࣛྲྀᚓࡋ

⋡ࠊ㔜」ᗘࠊᾘ㈝㟁ຊ࡟㛵ࡍࡿᛶ⬟ホ౯ࢆࢩ࣑ࣗࣞ

ࡓື⏬ീ࠶ࡿ࠸ࡣ༢⣧࡞ࢭࣥࢧࢆ⤌ࡳྜࢃࡏࡿࡇ࡜

࣮ࢩࣙࣥ࡟ࡼࡗ࡚⾜࠸ࠊࡇࡢᡭἲࡀࣀ࣮ࢻᐦᗘ࡟࠿

࡟ࡼࡾࠊேὶࢆᐇ᫬㛫ࠊ㧗⢭ᗘ࡟ィ࠿ࢃࡽࡎ 99% ௨ୖࡢ⿕そ⋡ࢆᚓࡿࡇ࡜ࢆ♧ࡍࠋࡲᡭἲࢆ᳨ウࡋ࡚࠸ࡿࠋࡲࡓࠊື⏬ീฎ⌮࡟ᇶ࡙ࡃே

ࡓࠊ᭱ึࡢᡭἲ࡟ẚ࡭࡚ࠊᾘ㈝㟁ຊࢆ 50% ௨ୖ๐ὶィῶࡍࡿࡇ࡜ࡶ♧ࡍࠋࡉࡽ࡟㊥㞳ࡶ⾜ࡗ࡚࠸ࡿࠋ

ᐃㄗᕪ࡟ᑐࡋ࡚ࡶࠊ

ࡢ⮬ື໬࡟ᑐࡍࡿ

ࠊ㏣㊧࡛ࡁࡿ

ᡭἲࢆࠊ㝆㞵ணሗ➼௚ࡢᑐ㇟࡟ᛂ⏝ࡋࡓ◊✲ࡇࡢᡭἲࡀඃࢀࡓᛶ⬟ࢆⓎ᥹ࡍࡿࡇ࡜ࢆ☜ㄆࡋࡓࠋ ື⏬ീฎ⌮࡟ᇶ࡙ࡃṌ⾜⪅ィᩘ࡟㛵ࡍࡿ◊✲ᮏ◊✲࡛ࡣ 1 ྎࡢ࣓࡛࢝ࣛྲྀᚓࡋࡓື⏬ീࢆ⏝࠸࡚ࠊே≀ࡀ㔜࡞ࡾྜ࠺ࡼ࠺࡞≧ἣ࡛ࡶࠊேὶࢆᐇ᫬
㛫ࠊ㧗⢭ᗘ࡟ィ࡛ࡁࡿேὶィ

ᡭἲࢆ᳨ウࡋ࡚࠸

ࡿࠋᥦ᱌ᡭἲ࡛ࡣࠊࡲࡎࠊ࣓࢝ࣛࢆ⏝࠸࡚ᩳࡵୖ✵࠿ࡽᑐ㇟㡿ᇦࢆ᧜ᙳࡋࠊྲྀᚓࡋࡓື⏬ീ୰ࡢᡤᮃࡢ
఩⨨࡟┤⥺≧ࡢ௬᝿ࢤ࣮ࢺࢆタ⨨ࡍࡿࠋḟ࡟ࠊ௬᝿
㹙㛵㐃Ⓨ⾲ㄽᩥ㹛ࢤ࣮ࢺୖࡢྛ⏬⣲࡟࠾ࡅࡿ⫼ᬒᕪศࢆࣇ࣮࣒ࣞẖ࡟(1) ➉᳃⩧୍, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯,ィ⟬ࡋࠊᕪศࡀ኱ࡁ࡞⏬⣲ࢆጞⅬ࡜ࡍࡿ࢜ࣉࢸ࢕࢝

͆IEEE 802.16j࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࢧ

ࣝࣇ࣮ࣟࢆᢳฟࡍࡿࠋᢳฟࡋࡓ࢜ࣉࢸ࢕࢝ࣝࣇ࣮ࣟ

࣮ࣅࢫ㡿ᇦᒎ㛤ᡭἲࡢᛶ⬟ホ౯,͇ಙᏛᢏሗ

ࢆጞⅬࡀ㞄᥋ࡍࡿྠࡌྥࡁࠊ኱ࡁࡉࡢࣇ࣮ࣟ⩌࡟ศ

(IN2010-7), vol.110, no.18, pp.37-42, May 2010.

㞳ࡋࠊ஦๓Ꮫ⩦࡟ࡼࡾᚓࡓ⤫ィ᝟ሗࢆ⏝࠸࡚ࠊศ㞳(2) Shoichi Takemori, Go Hasegawa, Yoshiaki Tanigu-ࡋࡓࣇ࣮ࣟ⩌ࡢ኱ࡁࡉ࠿ࡽࠊ㏻㐣ேᩘࢆ᥎ᐃࡍࡿࠋ

chi, and Hirotaka Nakano, “Service area deploymentᥦ᱌ᡭἲࡢ᭷ຠᛶࢆ☜ㄆࡍࡿࡓࡵ࡟ࠊᐇື⏬ീࢆ⏝of IEEE 802.16j wireless relay networks: service࠸ࡓ᳨ドࢆ⾜ࡗ࡚࠸ࡿࠋ

area coverage, energy consumption, and resource
utilization efficiency,” International Journal on Advances in Internet Technology, vol.3, no.1-2,
pp.43-52, Sep. 2010.
(3) Shoichi Takemori, “Improving coverage performance for wireless networks based on geometric algorithms,” Master’s Thesis, Graduate School of Information Science and Technology, Osaka University,
㸫㸫



࢖ࢫࢆᣢࡓ࡞࠸࢜ࣈࢪ࢙ࢡࢺࡢ㏣㊧ᡭἲࡶᩘከࡃᥦ

」ᩘࡢࣂ࢖ࢼࣜࢭࣥࢧࢆ⏝࠸ࡓ」║ࢭࣥࢧ᱌ࡉࢀ࡚࠸ࡿࠋ౛࠼ࡤࠊMulti Hypothesis Tracking࡟ࡼࡿṌ⾜⪅ィᩘ࡟㛵ࡍࡿ◊✲

㸦MHT㸧࡛ࡣࢭࣥࢧ࠿ࡽᚓࡽࢀࡿほ ⤖ᯝ࡟ᇶ࡙ࡁ

㏆ᖺࠊ↓⥺㏻ಙᶵ⬟ࢆᣢࡘࢭࣥࢧࢆከᩘ㓄⨨ࡍࡿ㉳ࡇࡾ࠺ࡿࡍ࡭࡚ࡢ⛣ືࢆ௬ㄝ࡜ࡋ࡚᥎ ࡋࠊ஦๓ࡇ࡜࡛ࢭࣥࢧࢿࢵࢺ࣮࣡ࢡࢆᵓ⠏ࡋࠊேࡸ⮬ື㌴࡞࡟᥎࡝ࡢ࢜ࣈࢪ࢙ࢡࢺࡢ㏣㊧ࠊィᩘࢆ⾜࠺ᢏ⾡ࡀὀ┠ࢆࢪ࢙ࢡࢺࡢ⛣ືࢆ᥎㞟ࡵ࡚࠸ࡿࠋ≉࡟ࠊ㉥እ⥺ࢭࣥࢧ࡞࡝ࡢࡼ࠺࡟ࢭࣥ

࡛ࡣ௬ㄝࡀ࢜ࣈࢪ࢙ࢡࢺࡢቑຍ࡜ඹ࡟ᣦᩘⓗ࡟ቑ኱ࢩࣥࢢ⠊ᅖෆࡢ࢜ࣈࢪ࢙ࢡࢺࡢ᭷↓ࡢࡳࢆ᳨ฟ࡛ࡁ

ࡋࠊNP ᅔ㞴ၥ㢟࡜࡞ࡿࡇ࡜ࡀศ࠿ࡗ࡚࠸ࡿࠋNP ᅔࡿࣂ࢖ࢼࣜࢭࣥࢧࡣᏳ౯࡛ᾘ㈝㟁ຊࡶᑡ࡞ࡃࠊࡲࡓࠊ

㞴ၥ㢟࡟ᑐࡍࡿⓎぢⓗᡭἲ࡜ࡋ࡚ࠊ࣐ࣝࢥࣇ㐃㙐ࣔ

Ⓨ⏕ࡍࡿࢹ࣮ࢱ㔞ࡶᑡ࡞࠸ࡇ࡜࠿ࡽࠊࣂ࢖ࢼࣜࢭࣥ

ࣥࢸ࢝ࣝࣟἲࢆ⏝࠸ࡓᡭἲࡀ࠶ࡿࡀࠊࢭࣥࢧࡀ࢜ࣈ

ࢧࢆ౑ࡗࡓࢭࣥࢧࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡿ࢜ࣈࢪ࢙ࢡࢺ

ࢪ࢙ࢡࢺࡢⰍࠊᙧࠊᩘࠊ㏿ᗘ➼ࢆุ᩿࡛ࡁࡿࡇ࡜ࡀ

㏣㊧ࠊィᩘᢏ⾡ࡀὀ┠ࢆ㞟ࡵ࡚࠸ࡿࠋ

๓ᥦ࡜࡞ࡗ࡚࠾ࡾࠊ࣓࢝ࣛ࡞࡝ࡢ㧗ᶵ⬟࡞ࢭࣥࢧࢆ

ᮏ◊✲࡛ࡣࠊ」ᩘࡢࣂ࢖ࢼࣜࢭࣥࢧࢆᑡࡋࡎࡘࡎ

ࡉࢀࡓ௬ㄝࡢⓎ⏕☜⋡࡟ᇶ࡙ࡁࠊᐇ㝿ࡢ࢜ࣈࡍࡿࠋࡋ࠿ࡋ࡞ࡀࡽࠊMHT

ᚲせ࡜ࡍࡿࠋ

ࡽࡋ࡚㓄⨨ࡍࡿࡇ࡜࡟ࡼࡾᵓᡂࡍࡿ」║ࢭࣥࢧࢆᑐ
㇟࡜ࡋ࡚ࠊ」║ࢭࣥࢧࡢࢭࣥࢩࣥࢢ⠊ᅖෆ࡟㐍ධࡋࡓ࢜ࣈࢪ࢙ࢡࢺࡢ᪉ྥูࡢィᩘࢆ⾜࠺ᡭἲࢆᥦ᱌ࡋ
࡚࠸ࡿࠋᥦ᱌ᡭἲࡢ᭷ຠᛶࢆ☜ㄆࡍࡿࡓࡵ࡟ࢩ࣑ࣗ
࣮ࣞࢩࣙࣥ࠾ࡼࡧᐇᶵᐇ㦂ࢆ⏝࠸ࡓホ౯࡟ྲྀࡾ⤌ࢇ࡛࠸ࡿࠋᮏ◊✲࡛ࡣࠊ㉥እ⥺ࢭࣥࢧࡢࡼ࠺࡟ࢭࣥࢩࣥࢢ⠊ᅖෆࡢ࢜ࣈࢪ࢙ࢡࢺࡢ᭷↓ࡢࡳࢆ᳨ฟ࡛ࡁࡿ༢⣧࡞ࢭࣥࢧ㸦ࣂ࢖ࢼࣜࢭࣥࢧ㸧ࢆほ㡿ᇦ୰ࡢ୍㒊࡟ࡢࡳ㓄⨨ࡋࡓ⎔ቃ࡟࠾ࡅࡿ࢜ࣈࢪ࢙ࢡࢺ㏣㊧ᡭἲࢆ᳨ウࡋࡓࠋᥦ᱌ᡭἲ࡛ࡣࠊᘓ≀඲య࡞࡝ࡢほ㡿ᇦࢆࠊᑠつᶍ࡞㡿ᇦ㸦௨ୗࠊ࣐࢖ࢡࣟࢭࣝ㸧࡟ศ๭ࡋࠊ࣐
࢖ࢡࣟࢭࣝࡢቃ⏺࡟ࣂ࢖ࢼࣜࢭࣥࢧࢆ 2 ࡘタ⨨ࡋࠊ 㡿ᇦศ๭ࢆ⏝࠸ࡓࢩࢼࣜ࢜ᆺ௬ㄝ᪉ᘧ࡟ᇶ࡙

࣐࢖ࢡࣟࢭࣝቃ⏺ࢆ㏻㐣ࡍࡿ࢜ࣈࢪ࢙ࢡࢺ࠾ࡼࡧࡑ

ࡃ࢜ࣈࢪ࢙ࢡࢺ㏣㊧࡟㛵ࡍࡿ◊✲ࡢ⛣ື᪉ྥࢆ᳨ฟࡍࡿࠋ᳨ฟࡋࡓ࢜ࣈࢪ࢙ࢡࢺࡢࢤ

ࢭࣥࢧࢿࢵࢺ࣮࣡ࢡࡢ୺せ࡞฼⏝౛ࡢ 1 ࡘ࡛࠶ࡿ࣮ࢺ㏻㐣᝟ሗࡣ↓⥺ࢿࢵࢺ࣮࣡ࢡࢆ⤒⏤ࡋ࡚ࢧ࣮ࣂ

ே≀࡞࡝ࡢ࢜ࣈࢪ࢙ࢡࢺ㏣㊧ࡣࠊ౛࠼ࡤࠊ௓ㆤ᪋タ࡟཰㞟ࡉࢀࡿࠋࢧ࣮ࣂࡣෆ㒊࡟௬᝿࣐࢖ࢡࣟࢭࣝ࠾

࡟࠾ࡅࡿ஦ᨾ㜵Ṇࡸၟᴗ᪋タ➼࡛ࡢ⾜ືศᯒࠊ㑊㞴ࡼࡧ௬᝿࢜ࣈࢪ࢙ࢡࢺ㸦௨ୗࠊศ㌟㸧ࢆ⟶⌮ࡋ࡚࠾カ⦎ࡢࢩ࣑࣮ࣗࣞࢩࣙࣥ࡞࡝ࠊᵝࠎ࡞ศ㔝࡛ࡢ฼⏝ࡾࠊྲྀᚓࡋࡓ࢜ࣈࢪ࢙ࢡࢺࡢࢤ࣮ࢺ㏻㐣᝟ሗ࠾ࡼࡧ

ࡀᮇᚅࡉࢀ࡚࠸ࡿࠋ࢜ࣈࢪ࢙ࢡࢺ㏣㊧ᡭἲ࡟ࡣᵝࠎෆ㒊࡛⟶⌮ࡍࡿ௬᝿࣐࢖ࢡࣟࢭࣝࠊศ㌟ࡢ᝟ሗ࡟ᇶ

࡞ࡶࡢࡀᥦ᱌ࡉࢀ࡚࠸ࡿࠋ౛࠼ࡤࠊ࢜ࣈࢪ࢙ࢡࢺ࡟

࡙ࡁࠊ࢜ࣈࢪ࢙ࢡࢺ㏣㊧ࢆ⾜࠺ࠋศ㌟ࡣࠊ࢜ࣈࢪ࢙

ᅛ᭷ࡢ㆑ูᏊࢆᣢࡘᑓ⏝ࢹࣂ࢖ࢫࢆ⿦╔ࡍࡿࡇ࡜ࢆ

ࢡࢺ⛣ືࡢྍ⬟ᛶࡢᩘࡔࡅ⏕ᡂࡉࢀࠊ௬᝿࣐࢖ࢡࣟ

๓ᥦ࡜ࡍࢀࡤࠊ㧗⢭ᗘ࡞࢜ࣈࢪ࢙ࢡࢺ㏣㊧ࢆᐇ⌧࡛ࢭࣝୖࢆ⛣ືࡋࠊᚲせࡀ࡞ࡃ࡞ࢀࡤ๐㝖ࡉࢀࡿࠋࢭ

ࡁࡿࡀࠊࢹࣂ࢖ࢫࡢᑟධࢥࢫࢺࡀⓎ⏕ࡍࡿࠊ฼⏝⏝ࣥࢧ࡟ࡼࡾ࢜ࣈࢪ࢙ࢡࢺࡢほ㏵ࡀ㝈ࡽࢀࡿࠊ࡞࡝ࡢḞⅬࡀ࠶ࡿࠋ୍᪉ࠊᑓ⏝ࢹࣂฟࡉࢀࡿ࡜ࠊ࢜ࣈࢪ࢙ࢡࢺ⛣ື࡜ࡋ࡚ᑬࡶࡽࡋ࠸ศ

㸫㸫㡿ᇦእ࡬ࡢ㏥ฟࡀ᳨

㌟ࡢ⛣ື㌶㊧ࢆ࢜ࣈࢪ࢙ࢡࢺࡢ⛣ື㌶㊧࡜ࡋ࡚㑅ࡪࠋ⏝࠸࡚ศ༢఩ࡢ㝆㞵ணሗࢆ⾜࠺ᡭἲࢆᥦ᱌ࡍࡿࠋᥦ
᱌ᡭἲࡣ⌧ᅾ࠾ࡼࡧ㐣ཤࡢ㝆Ỉࢹ࣮ࢱࡢࡳ࠿ࡽࠊࣈ
ࣟࢵࢡ࣐ࢵࢳࣥࢢ࢔ࣝࢦࣜࢬ࣒ࡢ 1 ࡘ࡛࠶ࡿࢲ࢖ࣖ
ࣔࣥࢻࢧ࣮ࢳࢆᇶ࡟ࡋࡓ࢜ࣉࢸ࢕࢝ࣝࣇ࣮ࣟ࢔ࣝࢦ
ࣜࢬ࣒ࢆ⏝࠸ࠊ㞵ᇦࡢ⛣ືࡢᵝᏊࢆ᥎ᐃࡍࡿࠋࡲࡓࠊ
᳨ฟࡍࡿ࢜ࣉࢸ࢕࢝ࣝࣇ࣮ࣟࡢᐦᗘࢆ␯࠿ࡽᐦ࡬࡜
ᚎࠎ࡟ษࡾ᭰࠼ࡿࡇ࡜࡟ࡼࡾࠊ」㞧࡞㞵ᇦࡢືࡁࢆ
᥎ᐃࡍࡿࠋࡑࡋ࡚ࠊ᥎ᐃࡋࡓ㞵ᇦࡢືࡁ࠿ࡽ⿵እἲ
ࢆ⏝࠸࡚ᮍ᮶ࡢ㞵ᇦࢆண ࡋࠊணሗࢆ⾜࠺ࠋᥦ᱌ᡭἲࡢࣃ࣓࣮ࣛࢱ࡟ࡘ࠸࡚ホ౯ࢆ⾜ࡗࡓ⤖ᯝࠊࡼࡾ▷࠸ᮇ㛫ࡢࡼࡾከ࠸ᯛᩘࡢ࣮ࣞࢲ࣮⏬ീࢆ⏝࠸ࡓ᫬࡟ࠊணሗࡢ⢭ᗘࡀྥୖࡍࡿࡇ࡜ࡀࢃ࠿ࡗࡓࠋࡲ

MHT ࡜␗࡞ࡾࠊᥦ᱌ᡭἲ࡛ࡣࠊ࢜ࣈࢪ࢙ࢡࢺࡢኚ

ࡓࠊ࢜ࣉࢸ࢕࢝ࣝࣇ࣮ࣟࡢ᳨ฟᐦᗘࢆࡼࡾ㧗ࡃࡋࡓ๎ⓗ࡞ᣲືࢆ⪃៖ࡋࠊศ㌟ྠኈ࠿ࡽ᪂ࡓ࡟ศ㌟ࢆ⏕᫬࡟ࡶࠊྠᵝ࡟ணሗࡢ⢭ᗘࡀྥୖࡋࡓࠋࡇࢀࡣࠊᛶ

ᡂࡍࡿ࡞࡝ᰂ㌾࡞࢜ࣈࢪ࢙ࢡࢺ㏣㊧ࡀྍ⬟࡛࠶ࡿࠋ⬟࣮ࣞࢲ࣮࠿ࡽᚓࡽࢀࡿ㝆Ỉࢹ࣮ࢱࢆ⏝࠸ࡿࡇ࡜࡟

ࡲࡓࠊ↓⥺㏻ಙ⎔ቃࡢᝏ໬ࠊࢭࣥࢩࣥࢢࡢኻᩋ࡞࡝

ࡼࡾࠊணሗࡢ⢭ᗘࡢྥୖࡀぢ㎸ࡵࡿࡇ࡜ࢆព࿡ࡍࡿࠋ

࡟ࡼࡾ࢜ࣈࢪ࢙ࢡࢺࡢࢤ࣮ࢺ㏻㐣᝟ሗࡢྲྀᚓ࡟ኻᩋࡲࡓࠊホ౯ࡢ⤖ᯝࠊẼ㇟ᗇࡀᥦ౪ࡋ࡚࠸ࡿணሗ᝟ሗ

ࡍࡿሙྜ࡛ࡶࠊ㏣㊧⢭ᗘࢆపୗࡉࡏ࡞࠸ࡓࡵ࡟ࠊ᪂

࡛࠶ࡿࢼ࢘࢟ࣕࢫࢺ࡜ணሗᛶ⬟ࢆẚ㍑ࡋࡓ⤖ᯝࠊ5

ࡓ࡟ศ㌟ࢆ⏕ᡂࡍࡿࠋࡉࡽ࡟ࠊ୙せ࡜᥎ ࡉࢀࡿศศᚋ࠿ࡽ 1 ᫬㛫ᚋࡲ࡛ࡢணሗ࡟࠾࠸࡚ࠊ25㸣௨ୖ㧗㌟ࢆ๐㝖ࡍࡿࡇ࡜࡟ࡼࡾࠊศ㌟ࡢ⇿Ⓨⓗ࡞ቑ኱ࢆᢚ

࠸⢭ᗘࡀᚓࡽࢀࡿࡇ࡜ࢆ☜ㄆࡋࡓࠋ࠼࡚࠸ࡿࠋᮏ◊✲࡛ࡣࠊࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡿホ౯࡟ࡼࡾࠊᥦ᱌ᡭἲࡢ᭷ຠᛶࢆホ౯ࡋࡓࠋࡑࡢ⤖ᯝࠊ࢜ࣈࢪ࢙ࢡࢺࡢኚ๎ⓗ࡞ᣲືࢆ⪃៖ࡍࡿࡇ࡜࡟ࡼࡾࠊ
࢜ࣈࢪ࢙ࢡࢺ㏣㊧ᡂຌ⋡ࡀ 29 %ྥୖࡍࡿࡇ࡜ࠊࢭࣥ
ࢧ᝟ሗᦆኻ᥎ᐃ᫬࡟ศ㌟ࢆ⏕ᡂࡍࡿࡇ࡜࡟ࡼࡾࠊ࢜
ࣈࢪ࢙ࢡࢺ㏣㊧ᡂຌ⋡ࡀ 6 %ྥୖࡍࡿࡇ࡜ࢆ♧ࡋࡓࠋ࢜ࣉࢸ࢕࢝ࣝࣇ࣮ࣟ࡟ᇶ࡙ࡃ㝆Ỉ▷᫬㛫ண㸦ᕥᅗฟᒎ㸸Ẽ㇟ᗇ࣮ࣞࢲ࣮࣭ࢼ࢘࢟ࣕࢫࢺ㸧ሗ࡟㛵ࡍࡿ◊✲⌧ᅾࠊẼ㇟ᗇ࡛ࡣ㝆Ỉ㔞ࡢ▷᫬㛫ணሗ࡜ࡋ࡚㝆Ỉ▷᫬㛫ணሗ࠾ࡼࡧ㝆Ỉࢼ࢘࢟ࣕࢫࢺࢆබ㛤ࡋ࡚࠸ࡿࠋ
ࡇࢀࡽࡢணሗࡣࠊほ 㛫㝸ࡸ᭱ᑠほ ࣓ࢵࢩࣗࢧ࢖
ࢬࡀ⢒࠸࣮ࣞࢲ࣮ࡢ᝟ሗࢆᇶ࡟ࡋ࡚࠸ࡿࠋࡑࡢࡓࡵࠊ
㏆ᖺከࡃⓎ⏕ࡋ࡚࠸ࡿࠊ10km ᅄ᪉⛬ᗘࡢᒁᡤⓗ࡞⠊ᅖ࡟ 1 ᫬㛫࠶ࡓࡾ 100mm ࢆ㉸࠼ࡿ㝆Ỉࢆࡶࡓࡽࡍ
ࡼ࠺࡞㞟୰㇦㞵ࢆ㧗࠸⢭ᗘ࡛ண ࡍࡿࡇ࡜ࡀ࡛ࡁ࡞
࠸ࠋࡑࢀ࡟ᑐࡋࠊࡼࡾ᫬㛫ⓗ࠿ࡘ✵㛫ⓗゎീᗘࡢ㧗࠸࣮ࣞࢲ࣮ࡢ㓄ഛ࣭㐠⏝ࡀ㐍ࢇ࡛࠸ࡿࡀࠊࡇࢀࡽࢆ
⏝࠸ࡓᜏᖖⓗ࡞㝆Ỉணሗࡣ⾜ࢃࢀ࡚࠸࡞࠸ࠋ
ࡑࡇ࡛ᮏ◊✲࡛ࡣࠊ㧗ᛶ⬟࣮ࣞࢲ࣮ࡢほ ⤖ᯝࢆ㸫㸫㹙㛵㐃Ⓨ⾲ㄽᩥ㹛ࡋࠊ⤒㊰ୖࡢࢺࣛࣥࢪࢵࢺࣜࣥࢡᩘࡣ୍⯡࡟ࡣබ㛤(1) ௒ᇛ೺ኴ㑻, ͆㝆Ỉ㔞ࡢ▷᫬㛫ணሗࡢࡓࡵࡢ࢜

ࡉࢀ࡚࠾ࡽࡎࠊࡲࡓࠊ࢚ࣥࢻ㛫࡛ᐜ᫆࡟ィࡍࡿᡭࣉࢸ࢕࢝ࣝࣇ࣮ࣟ࢔ࣝࢦࣜࢬ࣒,͇ ኱㜰኱ᏛᇶἲࡀᏑᅾࡋ࡞࠸ࡓࡵࠊᮏㄽᩥ࡛ࡣ⤒㊰ୖࡢࢺࣛࣥࢪ

♏ᕤᏛ㒊᝟ሗ⛉Ꮫ⛉≉ู◊✲ሗ࿌, Feb. 2011.

ࢵࢺࣜࣥࢡᩘࢆ࣮࢜ࣂࣞ࢖ࣀ࣮ࢻࡀᐜ᫆࡟ィ࡛ࡁࡿ࢚ࣥࢻ㛫ࢿࢵࢺ࣮࣡ࢡᛶ⬟࠿ࡽ㔜ᅇᖐศᯒࢆ⏝࠸(2) ௒ᇛ೺ኴ㑻, ㇂ཱྀ⩏᫂, 㛗㇂ᕝ๛, ୰㔝༤㝯,࡚᥎ᐃࡍࡿᡭἲࢆ☜❧ࡋࡓࠋ͆㝆Ỉ▷᫬㛫ணሗࡢࡓࡵࡢ࢜ࣉࢸ࢕࢝ࣝࣇࣟ
࣮࢔ࣝࢦࣜࢬ࣒,͇ ಙᏛᢏሗ (CQ2010-83),
vol.110, no.455, pp.93-98, Mar. 2011.
࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡ࢔࣮࢟ࢸࢡࢳࣕ࡟㛵
ࡍࡿ◊✲




 ࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ࡟ࡼࡗ࡚ቑຍࡍࡿ

ᥦ᱌ᡭἲࡢ᭷ຠᛶࢆホ౯ࡍࡿࡓࡵࠊ㔜ᅇᖐศᯒ࡟

,63 㛫 ࢺ ࣛ ࣥ ࢪ ࢵ ࢺ ࢥ ࢫ ࢺ ࡢ ๐ ῶ ࡟ 㛵 ࡍ ࡿ ◊ ✲ࡼࡾᑟฟࡋࡓ᥎ᐃᘧࡢ⢭ᗘࢆホ౯ࡋࡓࡢࡕࠊᥦ᱌ᡭ

㸦177 ࢧ࣮ࣅࢫ࢖ࣥࢸࢢ࣮ࣞࢩࣙࣥᇶ┙◊✲ᡤ࡜ࡢἲ࡟ࡼࡗ࡚⤒㊰ୖࡢࢺࣛࣥࢪࢵࢺࣜࣥࢡᩘࢆไ㝈ࡋඹྠ◊✲㸧

ࡓ࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢࡢᛶ⬟ࢆホ౯ࡋࡓࠋᐇࢿ

࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢࡣ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡

ࢵࢺ࣮࣡ࢡࡢィࢹ࣮ࢱࢆ⏝࠸ࡓホ౯࡟ࡼࡾࠊ᥎ᐃ

ࢡࢆ⏝࠸ࡓ࢔ࣉࣜࢣ࣮ࢩࣙࣥᒙ࡛ືసࡍࡿ⤒㊰ไᚚᘧ࡟ࡼࡿࢺࣛࣥࢪࢵࢺࣜࣥࢡᩘࡢ㐣ᑠ᥎ᐃࡀ

ᢏ⾡࡛࠶ࡾࠊ㐜ᘏ᫬㛫ࡸ฼⏝ྍ⬟ᖏᇦ࡞࡝ࡢᣦᶆࢆ

ࡢࣀ࣮ࢻ࡛௨ୗ࡛࠶ࡾࠊࡲࡓࠊᥦ᱌ᡭἲࢆ⏝࠸ࡓ⏝࠸࡚⤒㊰ࢆ㑅ᢥࡍࡿࡇ࡜࡛ࠊ࣮ࣘࢨࡀయឤ࡛ࡁࡿ

࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢࡀࠊ㏻㐣ࡍࡿࢺࣛࣥࢪࢵࢺ

ᛶ⬟ࡀྥୖࡍࡿࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿࠋ୍᪉࡛ࠊ,3ᒙࣜࣥࢡࡢᩘࢆ๐ῶࡋࡘࡘࠊࢺࣛࣥࢪࢵࢺࣜࣥࢡࡢไ

࡛⾜࡞ࢃࢀࡿ⤒㊰ไᚚ࡜ࡢ࣏ࣜࢩࡢ㐪࠸࡟ࡼࡾࠊ,63㝈ࢆ⾜ࢃ࡞࠸ሙྜࡢ࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ࡜ྠ➼ࡢࢥࢫࢺᵓ㐀࡟ᝏᙳ㡪ࢆ୚࠼ࡿࡇ࡜ࡀ⪃࠼ࡽࢀࡿࠋ

ࡢᛶ⬟ྥୖࢆᚓࡽࢀ࡚࠸ࡿࡇ࡜ࢆ♧ࡋࡓࠋ,63࡟ࡼࡗ࡚ᥦ౪ࡉࢀࡿ,3࣮ࣝࢸ࢕ࣥࢢࡣࠊ୍⯡࡟㞄᥋,63࡜ࡢࣜࣥࢡࡢ౑⏝࡟࠿࠿ࡿ㔠㖹ⓗࢥࢫࢺࢆ⪃៖ࡋ࡚ไᚚࡉࢀ࡚࠸ࡿࠋᑐࡋ࡚࣮࢜ࣂࣞ࢖ࣝ
࣮ࢸ࢕ࣥࢢ࡛ࡣ࢚ࣥࢻ㛫ࡢᛶ⬟ྥୖࢆ┠ⓗ࡜ࡋ࡚⤒㊰ࡀ㑅ᢥࡉࢀࡿࡓࡵࠊ࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢࡢ฼
⏝࡟ࡼࡗ࡚㏻㐣ࡍࡿࢺࣛࣥࢪࢵࢺࣜࣥࢡᩘࡀቑຍࡋࠊ
,63ࡢࢺࣛࣥࢪࢵࢺࢥࢫࢺࡀቑ኱ࡍࡿࡇ࡜ࡀ⪃࠼ࡽࢀࡿࠋࡇࡢၥ㢟࡟ᑐࡍࡿゎỴ⟇࡜ࡋ࡚ࡣࠊ࣮࢜ࣂࣞ࢖ࣝ

㹙㛵㐃Ⓨ⾲ㄽᩥ㹛࣮ࢸ࢕ࣥࢢࡀ,63㛫ࡢࢺࣛࣥࢪࢵࢺࢥࢫࢺࡀቑຍ

(1) ᯇ⏣୍ோ, 㛗㇂ᕝ๛, ட஭⪽, ᮧ⏣ṇᖾ, ࣮͆࢜ࡍࡿ⤒㊰ࢆ㑅ᢥࡍࡿࡇ࡜ࢆไ㝈ࡍࡿᡭἲࡀ⪃࠼ࡽࢀࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ࡟㉳ᅉࡍࡿ ISP 㛫ࢺࣛࣥࢪࡿࠋᮏ◊✲࡛ࡣࠊ࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ࡟ࡼࡗ࡚

ࢵࢺࢥࢫࢺ๐ῶᡭἲࡢᥦ᱌࠾ࡼࡧホ౯,͇ ಙᏛቑຍࡍࡿ,63㛫ࡢࢺࣛࣥࢪࢵࢺࢥࢫࢺࢆ๐ῶࡍࡿ

ᢏሗ (NS2010-17), vol.110, no.39, pp.7-12, Mayᡭἲࢆᥦ᱌ࡋࡓࠋᥦ᱌ᡭἲ࡛ࡣࠊ⤒㊰ୖࡢࢺࣛࣥࢪ

2010.

ࢵࢺࣜࣥࢡᩘࢆࢺࣛࣥࢪࢵࢺࢥࢫࢺࡢᣦᶆ࡜ࡋࠊ࢜

(2) Kazuhito Matsuda, Go Hasegawa, Satoshi Kamei,࣮ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ࡟ࡼࡿᛶ⬟ྥୖࢆ⥔ᣢࡋࡘࡘࠊ

and Masayuki Murata, “Performance evaluation ofࢺࣛࣥࢪࢵࢺࢥࢫࢺࢆᢚ࠼ࡿ⤒㊰ࢆ㑅ᢥࡍࡿࠋࡋ࠿

a method to reduce inter-ISP transit cost caused by㸫㸫overlay routing,” in Proceedings of the 14th Inter-ᑐᛂࡍࡿࢺ࣏ࣟࢪࢆసᡂࡋࠊࡑࢀࡽࢆ㐺ᐅ㞟⣙ࡍࡿ

national Telecommunications Network Strategy andࡇ࡜࡟ࡼࡗ࡚ࠊ ࡘࡢࢺ࣏ࣟࢪ⩌ࢆᵓ⠏ࡍࡿࠋᩘ್

Planning Symposium (NETWORKS 2010),

ィ⟬࡟ࡼࡿᛶ⬟ホ౯ࡢ⤖ᯝࠊ࢔ࣥࢲ࣮ࣞ࢖ࢿࢵࢺ࣡

pp.250-255, Sep. 2010.

࣮ࢡ඲యࡢ ࡢࣜࣥࢡ㞀ᐖⓎ⏕᫬࡟ࠊ⤒㊰㛗ࢆ࡯࡜ࢇ࡝ቑຍࡉࡏࡿࡇ࡜࡞ࡃࠊ฿㐩ᛶࢆ ࠿ࡽ ኱つᶍࢿࢵࢺ࣮࣡ࢡ㞀ᐖ࡟ᑐᛂྍ⬟࡞࣮࢜࡟ᅇ᚟࡛ࡁࡿࡇ࡜ࡀࢃ࠿ࡗࡓࠋ

ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢᡭἲ࡟㛵ࡍࡿ◊✲㸦᪥ᮏ㟁Ẽᰴᘧ఍♫࡜ࡢඹྠ◊✲㸧ᆅ㟈ࠊ㢼Ỉᐖࠊࢸࣟ࡞࡝ࡢ኱つᶍ⅏ᐖ࡟ᑐࡍࡿࢥ
ࣥࣆ࣮ࣗࢱࢿࢵࢺ࣮࣡ࢡࡢᑐ⟇࡟㛵ࡋ࡚ࡣᮍࡔయ⣔ⓗ࡟㆟ㄽࡉࢀ࡚࠾ࡽࡎࠊ⅏ᐖⓎ⏕᫬࡟࠾࠸࡚ࡶࢿࢵ
ࢺ࣮࣡ࢡࡢ༑ศ࡞ಙ㢗ᛶࢆ☜ಖࡍࡿࡇ࡜ࡣ㞴ࡋ࠸ࠋ
㏻ᖖࠊ㧗ಙ㢗࡞ࢿࢵࢺ࣮࣡ࢡࡣ෕㛗ᛶ࡟ඃࢀࡓᵓᡂ
ࢆ⤌ࡴࡇ࡜࡟ࡼࡾᐇ⌧ࡉࢀࡿࡀࠊ࢖ࣥࢱ࣮ࢿࢵࢺ࡟
࠾ࡅࡿ ,3 ࣮ࣝࢸ࢕ࣥࢢࣉࣟࢺࢥ࡛ࣝࡢ㌿㏦⤒㊰ษ᭰᪉ἲ࡛ࡣ▷᫬㛫࡛ࡢษ᭰ࡣᅔ㞴࡛࠶ࡿࠋࡲࡓࠊ,3ᒙࡢᶵ⬟ᙉ໬ࢆ⾜࠺ሙྜ࡟ࡶࠊඹ㏻ᇶ┙࡟᪂ࡋ࠸ᶵ
⬟ࢆ௜ຍࡍࡿࡇ࡜࡟ࡼࡾࠊࡑࢀ࡟௜㝶ࡍࡿไᚚࡀ
✀ࠎὴ⏕ࡋࠊࡑࡢ」㞧ࡉ࡟ࡼࡗ࡚࢔࣮࢟ࢸࢡࢳࣕࡢ

㹙㛵㐃Ⓨ⾲ㄽᩥ㹛◚⥢ࢆᣍࡃᜍࢀࡀ࠶ࡿࠋ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡᢏ

(1) Takuro Horie, Go Hasegawa, and Masayuki Murata,⾡ࢆ⏝࠸࡚ࡑࡢࡼ࠺࡞᪂ᶵ⬟ࢆᐇ⌧ࡍࡿᡭἲࡀከᩘ

“Proactive recovery method against multiple net-ᥦ᱌ࡉࢀ࡚࠸ࡿࡀࠊࡑࡢࡼ࠺࡞௬᝿ࢿࢵࢺ࣮࣡ࢡ࡟

work failures with overlay networking technique,”࠾ࡅࡿ㞀ᐖᅇ᚟ᡭἲ࡟ࡣࠊࡇࢀࡲ࡛࡟ࡣ᝿ᐃࡉࢀ࡞

in Proceedings of the 14th International Telecom-࠿ࡗࡓࡼ࠺࡞ྠ᫬Ⓨ⏕ࡍࡿ」ᩘ㞀ᐖ࡬ࡢᑐᛂࡀồࡵmunications Network Strategy and Planning Sympo-

ࡽࢀࡿࠋsium (NETWORKS 2010), pp.89-94, Sep. 2010.
࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࢿࢵࢺ࣡
࣮ࢡᛶ⬟ィᡭἲ࡟㛵ࡍࡿ◊✲࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡࡣ ,3ࢿࢵࢺ࣮࣡ࢡୖ࡟
ㄽ⌮ⓗ࡟ᵓ⠏ࡉࢀࡓࢿࢵࢺ࣮࣡ࢡ࡛࠶ࡿࡓࡵࠊᛶ⬟ࡢ⥔ᣢࠊྥୖࡢࡓࡵ࡟ࡣᐃᮇⓗ࡟࣮࢜ࣂࣞ࢖ࣃࢫࡢ㈨※᝟ሗࢆィ ࡟ࡼࡗ࡚ᚓࡿᚲせࡀ࠶ࡿࠋ࣮࢜ࣂࣞ
࢖ࢿࢵࢺ࣮࣡ࢡࡢᵓ⠏࡟ᚲせ࡞᝟ሗࢆᚓࡿᡭἲࡣᩘ

ࡑࡇ࡛ᮏ◊✲࡛ࡣࠊ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡࡢ⤒ከࡃᥦ᱌ࡉࢀ࡚࠸ࡿࡀࠊࡑࡢከࡃࡣᑠつᶍ࡞࣮࢜ࣂ

㊰㔜」ࡀཎᅉ࡜࡞ࡾࠊ࢔ࣥࢲ࣮ࣞ࢖ࢿࢵࢺ࣮࣡ࢡࡢ

ࣞ࢖ࢿࢵࢺ࣮࣡ࢡࢆᑐ㇟࡜ࡋ࡚࠾ࡾࠊ඲࡚ࡢ࣮࢜ࣂ

ᑡᩘࣜࣥࢡࡢ㞀ᐖࡀࠊ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡ࡟࠾

ࣞ࢖ࣀ࣮ࢻ㛫ࡢ⤒㊰ࢆィ ࡍࡿᡭἲ࡛࠶ࡿࠋࡇࡢࡼࡅࡿ኱つᶍྠ᫬㞀ᐖࢆᘬࡁ㉳ࡇࡍၥ㢟࡟╔┠ࡋࠊୖ࠺࡞ᡭἲ࡛ࡣ࣮࢜ࣂࣞ࢖ࣀ࣮ࢻᩘࡢ  ஌ࡢィグᡭἲࢆࡑࡢࡼ࠺࡞ྠ᫬Ⓨ⏕㞀ᐖ࡟ᑐᛂࡉࡏࡿࡓࡵࢺࡀᚲせ࡛࠶ࡾࠊ࣮࢜ࣂࣞ࢖ࣀ࣮ࢻᩘࡀቑຍࡋࡓሙ

ࡢ㞀ᐖ⏝ࢺ࣏ࣟࢪᵓ⠏ᡭἲࢆᥦ᱌ࡋࡓࠋᥦ᱌ᡭἲࡣࠊ

ྜ࡟ࡣィ ࡟ᚲせ࡞ࢥࢫࢺࡢቑຍࡀၥ㢟࡜࡞ࡿࠋࡇ

ࡑࢀࡒࢀࡢ࣮࢜ࣂࣞ࢖ࣀ࣮ࢻࡀࠊ⮬㌟ࢆྵࡴ㞀ᐖ࡟ࡢၥ㢟࡟ᑐࡋࠊ࣮࢜ࣂࣞ࢖ࣃࢫࡢ㔜」ࡋࡓ㒊ศࡢィ

㸫㸫

ࢥࢫ

ࢆ⾜ࢃࡎࠊ㔜」㒊ศࡢィ ⤖ᯝࢆྜᡂࡍࡿࡇ࡜࡟

ࡢ᏶඲࡞ࢺ࣏ࣟࢪ᝟ሗࢆᚲせ࡜ࡋ࡞࠸ࠊ࣮࢜ࣂࣞ࢖

ࡼࡾࠊ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡ඲యࡢᛶ⬟ࢆ᥎ᐃࡍࢿࢵࢺ࣮࣡ࢡィࡿࠊィࡢ࣮࢜ࣂࣞ࢖ࣀ࣮ࢻࡀ⮬㌟ࢆጞⅬ࡜ࡍࡿ࣮࢜ࣂࣞ࢖

⤖ᯝࡢ✵㛫ⓗྜᡂᡭἲࢆᥦ᱌ࡋࡓࠋࡇࡢᡭ

ᡭἲࢆᥦ᱌ࡋࡓࠋලయⓗ࡟ࡣࠊಶࠎ

ἲࡣࠊ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡ඲యࡢࣃࢫࡢ᝟ሗࢆ

ࣃࢫࡢィࢱ࢖࣑ࣥࢢࢆỴᐃࡋࠊィ⾪✺ࢆᅇ㑊ࡍ

ᚓࡿ᏶඲ᛶࢆ⥔ᣢࡋࡘࡘࠊࣃࢫࡢィ ᩘࢆ๐ῶࡍࡿ

ࡿࠋᥦ᱌ᡭἲࡣࠊಶࠎࡢ࣮࢜ࣂࣞ࢖ࣀ࣮ࢻࡀ௚ࡢ࢜

ࡇ࡜ࡀ࡛ࡁࡿࡀࠊィ⤖ᯝࡢ✵㛫ⓗྜᡂ࡟ࡼࡗ࡚ᚓ

࣮ࣂࣞ࢖ࣀ࣮ࢻࡲ࡛ࡢ࢔ࣥࢲ࣮ࣞ࢖⤒㊰᝟ሗࢆྲྀᚓ

ࡽࢀࡓ᥎ᐃ⤖ᯝ࡜ᐇ㝿ࡢィ ⤖ᯝ࡜ࡢ㛫ࡢㄗᕪࠊࡘ

ࡋࠊ௚ࡢ࣮࢜ࣂࣞ࢖ࣀ࣮ࢻ࡜⤒㊰᝟ሗࢆ஺᥮ࡍࡿࡇ

ࡲࡾ᥎ᐃ⢭ᗘࡀၥ㢟࡜࡞ࡿࠋ

࡜࡟ࡼࡾࠊ⮬㌟ࢆጞⅬ࡜ࡍࡿ⤒㊰࡜ࠊ௚ࡢ࣮࢜ࣂࣞ
࢖ࣀ࣮ࢻࢆጞⅬ࡜ࡍࡿࣃࢫࡢ⤒㊰㔜」ࡢ≧ែࢆ᥎ᐃࡍࡿࠋࡘࡢ࣮࢜ࣂࣞ࢖ࣀ࣮ࢻࢆጞⅬ࡜ࡍࡿ」ᩘࡢ
ࣃࢫࡣࠊ㏲ḟⓗ࡟ィࢆ⾜࠺ࡇ࡜࡛ࠊィ ⾪✺ࢆᅇ㑊ࡍࡿࠋ୍᪉ࠊጞⅬࡀ␗࡞ࡿ⤒㊰ࡣࠊጞⅬ࣮࢜ࣂࣞ࢖ࣀ࣮ࢻࡀࣛࣥࢲ࣒࡟ィ ࢱ࢖࣑ࣥࢢࢆỴᐃࡍࡿࡇ࡜࡛ࠊ⾪✺ࢆ☜⋡ⓗ࡟ᅇ㑊ࡍࡿࠋᛶ⬟ホ౯ࡢ⤖ᯝࠊᚑ᮶ࡢ᏶඲ࢫࢣࢪ࣮ࣗࣜࣥࢢᆺࡢィࡑࡇ࡛ᮏ◊✲࡛ࡣࠊ3ODQHW/DEୖ࡟࠾ࡅࡿィ ⤖ᯝ㧗࠸ィ㢖ᗘࢆ㐩ᡂࡋࠊ࠿ࡘࠊィࢆ⏝࠸ࡓࠊィ ⤖ᯝࡢ✵㛫ⓗྜᡂᡭἲࡢ⢭ᗘホ౯ࢆᅇ㑊࡛ࡁࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ

ᡭἲ࡟ẚ࡭࡚
㔜」ࢆຠ⋡ⓗ࡟⾜ࡗࡓࠋࡲࡓࠊ᥎ᐃ⢭ᗘࢆྥୖࡉࡏࡿࡓࡵࡢࠊィ⤖ᯝࡢ⤫ィฎ⌮ᡭἲࢆᥦ᱌ࡋࡓࠋᮏᡭἲࡣࠊ⤫ィⓗ᳨ᐃ࡟ࡼࡾィ ⤖ᯝࡢಙ㢗ᗘࢆྥୖࡋࠊࡉࡽ࡟ィࡉࢀࡿ㐜ᘏ᫬㛫ࡢ᭱኱್࡟㜈್ࢆタᐃࡍࡿࡇ࡜࡛ࠊィ ⤖ᯝࡢಙ㢗ᗘࢆุᐃࡍࡿࠋᛶ⬟ホ౯ࡢ⤖ᯝࠊᥦ᱌ᡭἲࢆ⏝࠸ࡿࡇ࡜࡛ࠊ㐜ᘏ᫬㛫ࡢ෌ィ ࢆ࡯࡜ࢇ࡝ᚲせ࡜ࡏࡎࠊ༑ศ࡞ᅇᩘࡢィ ࢆ⾜ࡗࡓሙྜ࡟࠾
ࡅࡿ㐜ᘏ᫬㛫ࡢ᥎ᐃㄗᕪࡀ ࠿ࡽ ࡟ᨵၿࡍࡿ
ࡇ࡜ࠊᅇ⛬ᗘࡢ㐜ᘏ᫬㛫ࡢィ ᅇᩘ࡛ࠊࡢィ⢭ᗘࡀᚓࡽࢀࡿࡇ࡜ࡀࢃ࠿ࡗࡓࠋࡲࡓࠊ㐜ᘏ᫬㛫ࡢィ⤖ᯝࢆ⏝࠸ࡿ࢔ࣉࣜࢣ࣮ࢩࣙࣥ࡜ࡋ࡚ࠊ࣮࢜ࣂ

ࣞ࢖࣮ࣝࢸ࢕ࣥࢢ࡟࠾ࡅࡿࣃࢫ㑅ᢥࡢ⢭ᗘࢆホ౯ࡋࡓ⤖ᯝࠊ㐜ᘏ᫬㛫ࡢ▷࠸ࣃࢫࢆ㑅ᢥ࡛ࡁ࡞࠸☜⋡ࡀࠊ㐜ᘏ᫬㛫ࡢᐇ㝿ࡢィ್ࡢᕪࡀ PVHF௨ෆࡢሙྜ࡟ ࠊPVHF௨ୖࡢሙྜ࡟࠾࠸࡚ࡣ ௨ୗ࡟ᢚ

㹙㛵㐃Ⓨ⾲ㄽᩥ㹛(1) 㛗㇂ᕝ๛, ᮧ⏣ṇᖾ, ࣮͆࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡ

࠼ࡽࢀࡿࡇ࡜ࢆ♧ࡋࡓࠋ࡟࠾ࡅࡿィ ⤖ᯝ⤫ྜᡭἲࡢ⢭ᗘホ౯,͇ ಙᏛࡲࡓࠊୖ㏙ࡢࡼ࠺࡞≧ἣࢆྵࡵࡓ࣮࢜ࣂࣞ࢖ࢿࢵࢺ

ᢏሗ (NS2010-16), vol.110, no.39, pp.1-6, May࣮࣡ࢡ࡟࠾ࡅࡿィ2010.

࡟㛵ࡍࡿ◊✲࡛ࡣࠊィ ⤒㊰ᩘࢆ๐ῶࡍࡿࠊ࠶ࡿ࠸ࡣࠊࢫ࣮ࣃ࣮ࣀ࣮ࢻࢆタ⨨ࡋ࡚(2) Dinh Tien Hoang, 㛗㇂ᕝ๛, ᮧ⏣ṇᖾ, ͆ィ⾪࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡࡢ඲࡚ࡢ⤒㊰᝟ሗࢆ཰㞟ࡋࠊ✺ࢆ㍍ῶࡍࡿࡓࡵࡢศᩓᆺ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣡

᏶඲ࢫࢣࢪ࣮ࣗࣜࣥࢢ࡟ࡼࡗ࡚ィ ࡢ⾪✺ࢆᅇ㑊ࡍ࣮ࢡィ ᡭἲ,͇ ಙᏛᢏሗ (CQ2010-57), vol.110,

ࡿᡭἲࡀᥦ᱌ࡉࢀ࡚࠸ࡿࠋࡇࢀ࡟ᑐࡋᮏ◊✲࡛ࡣࠊ

no.287, pp.49-54, Nov. 2010.

ࢫ࣮ࣃ࣮ࣀ࣮ࢻࢆ౑⏝ࡏࡎࠊ࠿ࡘࠊ,3ࢿࢵࢺ࣮࣡ࢡ

(3) ṇཎ❳ኴ, ࣮͆࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡୖࡢィ㸫㸫

㈇Ⲵ๐ῶࡢࡓࡵࡢ✵㛫ⓗྜᡂᡭἲࡢᛶ⬟ホ౯,͇ࢆ⮬ᚊⓗ࡟᳨▱ࡋ࡚㌿㏦⋡ࢆỴᐃࡋ࡚࠸ࡿࠋࡇࢀࡣࠊ

኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗ⛉Ꮫ⛉≉ู◊✲ሗ࿌,࢖ ࣥ ࢱ ࣮ ࢿ ࢵ ࢺ ࡢ ᇶ ᮏ ᛮ ᝿ ࡛ ࠶ ࡿ (QGWRHQG

Feb. 2011.

SULQFLSOH ࡢ᰾࡟࡞ࡗ࡚࠸ࡿࡶࡢ࡛࠶ࡿࡀࠊ࢚ࣥࢻ

(4) ṇཎ❳ኴ, 㛗㇂ᕝ๛, ᮧ⏣ṇᖾ, ࣮͆࢜ࣂࣞ࢖⥙࣍ࢫࢺࡢ㧗㏿໬࡟ࡼࡾࠊࡑࡢ㐺ᛂᛶࢆࡼࡾ㧗ᗘ࡞ࡶ࡟࠾ࡅࡿィ ᩘ๐ῶᡭἲࡢᛶ⬟ホ౯,͇ ಙᏛᢏࡢ࡟࡛ࡁࡿྍ⬟ᛶࡀ༑ศ࡟࠶ࡿࠋᮏ◊✲ࢸ࣮࣐࡛ࡣࠊ

ሗ (NS2010-180), vol.110, no.449, pp.217-222, Mar.

ࡑࡢࡼ࠺࡞ࢺࣛࣥࢫ࣏࣮ࢺࣉࣟࢺࢥࣝࡑࡢࡶࡢ࡟㛵2011.

ࡍࡿ◊✲ࠊ࠾ࡼࡧࠊࡑࡢࡼ࠺࡞ࢺࣛࣥࢫ࣏࣮ࢺࣉࣟ
ࢺࢥࣝࢆ⏝࠸ࡿ࢔ࣉࣜࢣ࣮ࢩࣙࣥࢩࢫࢸ࣒ࡢᛶ⬟ྥ࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢࡀ ,63 ࡢ᥋⥆ᡓ␎࡟ୖ࡟㛵ࡍࡿ◊✲࡟ྲྀࡾ⤌ࢇ࡛࠸ࡿࠋ

୚࠼ࡿᙳ㡪࡟㛵ࡍࡿ◊✲࢖ࣥࢱ࣮ࢿࢵࢺࢆᵓᡂࡍࡿ ISP 㛫࡟ࡣࢺࣛࣥࢪࢵ
ࢺ࡜ࣆ࢔ࣜࣥࢢࡢ 2 ✀㢮ࡢ᥋⥆ࡀ࠶ࡿࠋࡇࢀࡽ ISP ↓⥺ /$1 ⎔ቃ࡟࠾ࡅࡿ㐜ᘏ࡟ᇶ࡙ࡃ㍽㍵ไᚚࢆ⏝࠸ࡓ 7&3 ࡢᛶ⬟ホ౯㛫ࡢ᥋⥆ᡓ␎ࡣ ISP 㛫ࡢ࣮ࣝࢸ࢕ࣥࢢ࣏ࣜࢩ࣮ࠊࡑ

,((( ࡟ᇶ࡙ࡃ↓⥺ /$1 ࡟࠾࠸࡚ࡣࠊ&60$&$

ࢀ࡟ᇶ࡙ࡃ⤒῭ⓗどⅬ࡟ࡼࡗ࡚Ỵᐃࡉࢀࡿࠋ୍᪉ࠊ

࡟ࡼࡾ↓⥺ /$1ෆࡢྛ➃ᮎࡀ↓⥺፹య࡟࢔ࢡࢭࢫ

㏆ᖺࡢ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡᢏ⾡ࡢⓎᒎ࡟క࠸ࠊ

ࡍࡿᶵ఍ࡣ➼ࡋ࠸ࡓࡵࠊ➃ᮎ㛫ࡢ 0$&ࣞ࣋ࣝ࡟࠾ࡅ

࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ࡟ࡼࡿࢺࣛࣄࢵࢡࡀቑຍࡋ

ࡿබᖹᛶࡣ☜ಖࡉࢀࡿࠋࡋ࠿ࡋࠊ࢔ࢡࢭࢫ࣏࢖ࣥࢺ

ࡘࡘ࠶ࡿࠋ࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ࡛ࡣࠊ࢚ࣥࢻ㛫࠿ࡽ↓⥺➃ᮎ࡬ࡢ㏻ಙࡣ ྎࡢ࢔ࢡࢭࢫ࣏࢖ࣥࢺ

ࡢᛶ⬟ྥୖࢆ┠ⓗ࡜ࡋ࡚⤒㊰ࡀ㑅ᢥࡉࢀࡿࡓࡵࠊ㏻

࡟ࡼࡿ㏻ಙ࡛࠶ࡿࡢ࡟ᑐࡋࠊࡑࡢ㏫ྥࡁࡢ㏻ಙࡣ」㐣ࡍࡿࢺࣛࣥࢪࢵࢺࣜࣥࢡᩘࡀቑ࠼ࡿ࡞࡝ࡢᙳ㡪ࡀᩘྎࡢ↓⥺➃ᮎ࡟ࡼࡿ㏻ಙ࡛࠶ࡿࡓࡵࠊ࢔ࢡࢭࢫ࣏

⪃࠼ࡽࢀࡿࠋᮏ◊✲࡛ࡣࠊ࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ

࢖ࣥࢺ࠿ࡽ↓⥺➃ᮎ࡬ࡢ㏻ಙ࡜ࡑࡢ㏫ྥࡁࡢ㏻ಙ࡛

ࡀ ISP ࡢ᥋⥆ᡓ␎࡟୚࠼ࡿᙳ㡪࡟㛵ࡍࡿ◊✲ࢆ⾜࠺ࠋࡣ࢔ࢡࢭࢫᶵ఍࡟୙ᆒ➼ࡀ⏕ࡌࡿࠋࡇࢀࡣࠊ&60$&$

ISP ࡢࣔࢹࣝ໬ࢆ⾜࠸ゎᯒࢆ⾜࠺ࡇ࡜࡟ࡼࡾࠊࡉࡲ

࡟ࡼࡗ࡚ᐇ⌧ࡉࢀࡿ 0$&ࣞ࣋ࣝ࡟࠾ࡅࡿ➃ᮎ㛫ࡢࡊࡲ࡞ࢺࣛࣄࢵࢡࣃࢱ࣮ࣥ࡟ᑐࡋ࡚ࠊISP ࡀ࡝ࡢࡼබᖹᛶࡀୖ఩ࣞ࢖ࣖ࡟࠾ࡅࡿබᖹᛶ࡟┤᥋ࡘ࡞ࡀࡽ

࠺࡞᥋⥆ᡓ␎ࢆ࡜ࢀࡤࡼ࠸ࡢ࠿࡟ࡘ࠸࡚ㄪᰝࡍࡿࠋ

࡞࠸ࡇ࡜ࢆព࿡ࡋ࡚࠸ࡿࠋࡇࡢࡇ࡜ࡣࠊࢺࣛࣥࢫ࣏
࣮ࢺᒙ࡜ࡋ࡚ 7&3 ࢆ⏝࠸ࡓሙྜ࡟ࡣ኱ࡁ࡞ၥ㢟࡜࡞ࡾࠊୖࡾࣇ࣮ࣟ㛫ࠊ࠾ࡼࡧୖࡾࣇ࣮ࣟ࡜ୗࡾࣇ࣮ࣟ㛫࡟῝้࡞୙බᖹࡀⓎ⏕ࡍࡿࡇ࡜ࡀᣦ᦬ࡉࢀ࡚࠸ࡿࠋ
ࡑࡇ࡛ᮏ◊✲࡛ࡣࠊ୙බᖹᛶࢆᨵၿࡍࡿࡓࡵࡢᡭἲ
࡜ࡋ࡚ࠊ$&. ࣃࢣࢵࢺࡢᦆኻ࡟ᑐࡋ࡚㍽㍵ไᚚࢆ⾜࠺ᡭἲࢆᥦ᱌ࡋࠊࡑࡢ᭷ຠᛶࢆࢩ࣑࣮ࣗࣞࢩࣙࣥ࠾
ࡼࡧᐇ⿦ᐇ㦂࡟ࡼࡗ᳨࡚ドࡋࡓࠋࡑࡢ⤖ᯝࠊᥦ᱌ᡭ
ἲࡀୖࡾࣇ࣮ࣟ㛫ࡢ୙බᖹ࡟ᑐࡋ࡚᭷ຠ࡛࠶ࡿࡔࡅ
࡛ࡣ࡞ࡃࠊୖୗࣇ࣮ࣟ㛫ࡢ୙බᖹ࡟㛵ࡋ࡚ࡶ୍ᐃࡢ
ᨵၿࢆ⾜࠺ࡇ࡜ࡀ࡛ࡁࡿࡇ࡜ࡀࢃ࠿ࡗࡓࠋ
ୖグࡢࡼ࠺࡞ࣇ࣮ࣟ㛫ࡢබᖹᛶ࡟㛵ࡍࡿ᳨ウ࡟࠾ ḟୡ௦㧗㏿ࢺࣛࣥࢫ࣏࣮ࢺࣉࣟࢺࢥࣝ࡟㛵ࡍࡿ࠸࡚ࡣࠊබᖹᛶࡢᐃ⩏ࡀ㔜せ࡜࡞ࡿࠋᚑ᮶ࡢබᖹᛶ

◊✲࢚ࣥࢻ࣍ࢫࢺ㛫࡛ࢹ࣮ࢱࢆ㧗㏿࡟ࠊ࠿ࡘຠ⋡ࡼࡃࡢᐃ⩏࡛ࡣࠊ↓⥺ /$1 ෆࡢ➇ྜࡍࡿࣇ࣮ࣟࡀ⋓ᚓࡍ㌿㏦ࡍࡿࡓࡵࡢ୰ᚰᢏ⾡ࡀࢺࣛࣥࢫ࣏࣮ࢺࣉࣟࢺࢥ

ࡿ↓⥺ᖏᇦࢆ➼ࡋࡃ⋓ᚓࡍࡿࡇ࡜ࢆබᖹ࡛࠶ࡿ࡜ࡋ

࡛ࣝ࠶ࡿࠋ≉࡟࢖ࣥࢱ࣮ࢿࢵࢺ࡛⏝࠸ࡽࢀ࡚࠸ࡿ

࡚࠸ࡓࠋࡋ࠿ࡋࠊ↓⥺ /$1⎔ቃ࡟࠾ࡅࡿබᖹᛶࢆᨵ

7&3 ࡛ࡣࠊ࢚ࣥࢻ࣍ࢫࢺࡀࢿࢵࢺ࣮࣡ࢡࡢ㍽㍵≧ែၿࡍࡿᡭἲࡣࠊබᖹᛶࢆᨵၿࡍࡿ୍᪉࡛ࢿࢵࢺ࣮࣡

㸫㸫ࢡࢫ࣮ࣝࣉࢵࢺࡀపୗࡍࡿࡇ࡜ࡀ࠶ࡿࠋࡑࡢࡓࡵࠊ

Systems (SPECTS 2010), pp.22-29, July 2010.

ࢿࢵࢺ࣮࣡ࢡࢫ࣮ࣝࣉࢵࢺࡀ㧗ࡅࢀࡤබᖹᛶࡀᦆ࡞

(2) Masafumi Hashimoto, Go Hasegawa, and Masayuki

ࢃࢀ࡚ࡶチᐜ࡛ࡁࡿࡢ࠿ࠊ࠶ࡿ࠸ࡣ㏫࡟ࠊබᖹᛶࡀ

Murata, “A transport-layer solution for alleviating㧗ࡅࢀࡤࢫ࣮ࣝࣉࢵࢺࡣᦆ࡞ࢃࢀ࡚ࡶチᐜ࡛ࡁࡿ࠿ࠊ

TCP unfairness in a wireless LAN environment,”࡜࠸ࡗࡓࠊࢫ࣮ࣝࣉࢵࢺ࡜බᖹᛶ࡜ࡢ㛫ࡢࢺ࣮ࣞࢻ

IEICE Transactions on Communications, vol.E94-B,

࢜ࣇࡢ㆟ㄽࡀᚲせ࡛࠶ࡿࠋࡋ࠿ࡋࠊᚑ᮶ᣦᶆ࡛ࡣࡇ

no.3, pp.765-776, Mar. 2011.

ࡢࢺ࣮ࣞࢻ࢜ࣇ㛵ಀࢆホ౯ࡍࡿࡇ࡜ࡀ࡛ࡁ࡞࠸ࠋࡇ

ࡢࡓࡵࠊ↓⥺ /$1⎔ቃ࡟࠾ࡅࡿබᖹᛶࡢホ౯ࡢ㝿࡟7&3 ࡢືసࢆ⪃៖ࡋࡓ↓⥺ /$1 ࡢᾘ㈝㟁ຊపࡣ↓⥺ᖏᇦࡢ฼⏝ຠ⋡ࢆྵࡵࡓ᪂ࡋ࠸ᣦᶆࡀᚲせ࡛ῶ࡟㛵ࡍࡿ◊✲,((( ↓⥺ /$1 ࡟࠾࠸࡚ࡣࠊ↓⥺㏻ಙࡀᾘ࠶ࡿࠋ㈝ࡍࡿ㟁ຊࡀ඲యࡢ ࠿ࡽ ࢆ༨ࡵࡿࡇ࡜ࡀሗ
࿌ࡉࢀ࡚࠾ࡾࠊ↓⥺㏻ಙࡢᾘ㈝㟁ຊࢆ๐ῶࡍࡿࡇ࡜
ࡀᶵჾ඲యࡢᾘ㈝㟁ຊࢆ๐ῶࡍࡿ࠺࠼࡛㔜せ࡛࠶ࡿࠋ↓⥺ /$1 ࡟࠾ࡅࡿ┬㟁ຊ໬࡟㛵ࡍࡿ᳨ウࡣࠊ୺࡟ࣁ
࣮ࢻ࢙࢘࢔ࣞ࣋ࣝ࠾ࡼࡧ 0$& ࣉࣟࢺࢥࣝࣞ࣋ࣝࡢ཮
᪉࠿ࡽ⾜ࢃࢀ࡚࠸ࡿࠋ୍⯡࡟ࠊࢿࢵࢺ࣮࣡ࢡᶵჾࡢ
┬㟁ຊ࡟㛵ࡋ࡚㆟ㄽࢆ⾜࠺ሙྜ࡟࠾࠸࡚ࡣࠊ┬㟁ຊࡑࡇ࡛ᮏ◊✲࡛ࡣࠊࢿࢵࢺ࣮࣡ࢡᖏᇦࡢ฼⏝ຠ⋡ຠᯝ࡜ࢿࢵࢺ࣮࣡ࢡᛶ⬟㛫ࡢࢺ࣮ࣞࢻ࢜ࣇࢆ⪃៖ࡍࢆ⪃៖ࡋࡓ᪂ࡋ࠸බᖹᛶᣦᶆࢆᥦ᱌ࡋࡓࠋᥦ᱌ᣦᶆࡿᚲせࡀ࠶ࡿࠋࡍ࡞ࢃࡕࠊᾘ㈝㟁ຊࡢ๐ῶ࡟ຠᯝࡢ

ࡣ -DLQ ࡢ )DLUQHVV,QGH[ ࢆᇶ࡜ࡋࠊࢿࢵࢺ࣮࣡ࢡ࠶ࡿせᅉࢆ᫂ࡽ࠿࡟ࡋࠊࡑࡢせᅉࡀ࡝ࡢ⛬ᗘࢿࢵࢺᖏᇦࡢ฼⏝ຠ⋡ࡀᣦᶆ࡟཯ᫎࡉࢀࡿࡼ࠺࡟ᨵⰋ⾜ࡗ࣮࣡ࢡᛶ⬟ࢆపୗࡉࡏࡿ࠿ࢆ▱ࡿࡇ࡜ࡀ㔜せ࡛࠶ࡿࠋࡓࠋࡉࡽ࡟ࠊୖ㏙ࡢබᖹᛶᨵၿᡭἲࢆࠊᥦ᱌ࡋࡓᣦ

ࡋ࠿ࡋࠊ7&3 ࡞࡝ࡢࢺࣛࣥࢫ࣏࣮ࢺᒙࣉࣟࢺࢥࣝࡢ

ᶆࢆ⏝࠸࡚ホ౯ࢆ⾜ࡗࡓ⤖ᯝࠊᥦ᱌ᡭἲࡀබᖹᛶ࡜

ᣲືࡀ┬㟁ຊᛶ⬟࡟୚࠼ࡿᙳ㡪࡟㛵ࡋ࡚ࡣࡇࢀࡲ࡛

ࢿࢵࢺ࣮࣡ࢡᖏᇦ㛫ࡢࢺ࣮ࣞࢻ࢜ࣇ㛵ಀࢆ኱ᖜ࡟ᨵ᳨ウࡀ⾜ࢃࢀ࡚࠸࡞࠸ࠋ
ࡑࡇ࡛ᮏ◊✲࡛ࡣࠊ↓⥺ /$1࡟࠾࠸࡚ 7&3 ࢹ࣮ࢱၿ࡛ࡁࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ

㌿㏦ࢆ⾜࠺ࠊ༢୍ࡢ↓⥺➃ᮎࡀᾘ㈝ࡍࡿ㟁ຊࡢࣔࢹࣝ໬ᡭἲࢆᥦ᱌ࡋࠊᾘ㈝㟁ຊࢆపῶࡍࡿ㌿㏦ᡭἲ࡟ࡘ࠸᳨࡚ウࡋࡓࠋᥦ᱌ࣔࢹࣝࡣ 0$& ࣞ࣋ࣝࡢࣔࢹࣝ
࡜ 7&3 ࣞ࣋ࣝࡢࣔࢹࣝࡢ⤌ྜࡏ࡟ࡼࡗ࡚ᐇ⌧ࡋࡓࠋ
0$& ࣞ࣋ࣝࡢࣔࢹࣝ࡟࠾࠸࡚ࡣࠊ&60$&$ ࡢࣇ࣮࣒ࣞ
஺᥮࡟ᇶ࡙ࡃᾘ㈝㟁ຊࣔࢹࣝࢆᵓ⠏ࡋࡓࠋ7&3 ࣞ࣋ࣝ࡟࠾࠸࡚ࡣࠊ7&3 ࡢືసゎᯒ࡟ᇶ࡙࠸࡚ᾘ㈝㟁ຊࣔࢹࣝࢆᵓ⠏ࡋࡓࠋᵓ⠏ࡋࡓᾘ㈝㟁ຊࣔࢹࣝ࡟ᇶ࡙


㹙㛵㐃Ⓨ⾲ㄽᩥ㹛࠸ࡓᩘ್ゎᯒ࡟ࡼࡗ࡚ࠊ↓⥺➃ᮎ࠿ࡽ᭷⥺ࢿࢵࢺ࣡(1) Masafumi Hashimoto, Go Hasegawa, and Masayuki࣮ࢡୖ࡟࠶ࡿ࣍ࢫࢺ࡟ᑐࡋ࡚ 7&3ࢹ࣮ࢱ㌿㏦ࢆ⾜Murata, “Trade-off evaluation between fairness andࡗࡓሙྜࡢᾘ㈝㟁ຊࢆゎᯒⓗ࡟ᑟฟྍ⬟࡜࡞ࡿࠋᩘ

throughput for TCP congestion control mechanisms್ゎᯒࡢ⤖ᯝ࠿ࡽࠊࣃࢣࢵࢺࡢ㏦ཷಙࡀ࡞࠸༊㛫࡟in a wireless LAN environment,” in Proceedings of࠾࠸࡚⌮᝿ⓗ࡟ࢫ࣮ࣜࣉࡋࡓሙྜ࡜ࡑ࠺࡛࡞࠸ሙྜ

the 2010 International Symposium on Performanceࢆẚ㍑ࡍࡿࡇ࡜࡛ࠊᾘ㈝㟁ຊࢆ๐ῶࡍࡿ࠺࠼࡛ຠᯝ

Evaluation of Computer and Telecommunicationⓗ࡞せᅉࢆ᫂ࡽ࠿࡟ࡋࡓࠋࡍ࡞ࢃࡕࠊ㛗࠸ࢫ࣮ࣜࣉ㸫㸫᫬㛫ࢆ⥔ᣢࡋࡓࡲࡲࢫ࣮ࣜࣉ≧ែ࡬ࡢ㑄⛣ᅇᩘࢆ๐ῶࡍࡿࡇ࡜ࡀ┬㟁ຊຠᯝࢆ㧗ࡵࡿࡢ࡟ຠᯝⓗ࡛࠶ࡿࠋࡲࡓࠊ┬㟁ຊ࡜㌿㏦᫬㛫࡜ࡢ㛫࡟ࡣࢺ࣮ࣞࢻ࢜ࣇࡢ
㛵ಀࡀ࠶ࡿࡇ࡜ࢆ♧ࡋࡓࠋࡑࡇ࡛ᮏ◊✲࡟࠾࠸࡚ࡣࠊࡲࡎ ,((( ↓⥺/$1 ᢏ⾡࡟ᇶ࡙ࡃ↓⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡ࢡ࡟
࠾ࡅࡿࢹ࣮ࢱఏ㏦ࢆᑐ㇟࡜ࡋࠊࡑࡢᾘ㈝㟁ຊ㔞ゎᯒࢆ⾜ࡗࡓࠋලయⓗ࡟ࡣࠊ,((( ࡛⏝࠸ࡽࢀࡿ 0$& ࣉࣟࢺࢥ࡛ࣝ࠶ࡿ &60$&$ ࡢヲ⣽࡞ᣲື࡟ᇶ࡙ࡁࠊ ࣍ࢵࣉࡢࢹ࣮ࢱఏ㏦࡟࠾ࡅࡿᾘ㈝㟁ຊ㔞ࢆᑟ㹙㛵㐃Ⓨ⾲ㄽᩥ㹛ฟࡋࡓࠋࡑࡢᚋࠊ㏦ཷಙ➃ᮎ㛫࡛࣐ࣝࢳ࣍ࢵࣉ࡟ࡼ ᶫᮏ໷ྐ㛗㇂ᕝ๛ᮧ⏣ṇᖾ͆↓⥺ /$1 ⎔ቃࡗ࡚ࢹ࣮ࢱࢆఏ㏦ࡋࡓ㝿ࡢ⥲㟁ຊ㔞ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ

࡟࠾ࡅࡿ 7&3 ࡢືసࢆ⪃៖ࡋࡓᾘ㈝㟁ຊࣔࢹࣝࡉࡽ࡟ࠊᐇᅾࡍࡿ ,((( ↓⥺ /$1 ࡢࢿࢵࢺ࣡

ࡢᥦ᱌͇ಙᏛᢏሗ 16 YRO

࣮ࢡ࢖ࣥࢱ࣮ࣇ࢙࣮ࢫࢹࣂ࢖ࢫࡢᾘ㈝㟁ຊࢹ࣮ࢱࢆ

QRSS'HF

฼⏝ࡋࠊゎᯒ⤖ᯝࢆ⏝࠸ࡓᾘ㈝㟁ຊ㔞ࡢホ౯ࢆ⾜ࡗ ᶫᮏ໷ྐ㛗㇂ᕝ๛ᮧ⏣ṇᖾ͆↓⥺ /$1 ⎔ࡓࠋホ౯ࡢ⤖ᯝࠊࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࣇ࣮࣒ࣞᦆ

ቃ࡟࠾ࡅࡿࣂ࣮ࢫࢺ㌿㏦ࢆ฼⏝ࡋࡓ 7&3 ࣇ࣮ࣟኻ⋡ࡀ➼ࡋ࠸ሙྜ࡟ࡣࠊࡼࡾ㧗࠸ࢹ࣮ࢱ࣮ࣞࢺࢆ౑

ࡢᾘ㈝㟁ຊゎᯒ͇%6 ᖺ㟁Ꮚ᝟ሗ㏻࠺ࡇ࡜࡛ࠊࡼࡾᑠࡉ࠸ᾘ㈝㟁ຊ㔞ࡀᚓࡽࢀࡿࡀࠊప

ಙᏛ఍⥲ྜ኱఍ㅮ₇ㄽᩥ㞟0DU

࠸ࢹ࣮ࢱ࣮ࣞࢺࢆ౑࠺࡯࠺ࡀᾘ㈝㟁ຊ㔞ࢆᢚ࠼ࡿࡇ
࡜ࡀฟ᮶ࡿሙྜࡀ࠶ࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ

 ↓⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ┬㟁ຊᡭἲࡀࢿࢵࢺ࣮࣡ࢡᛶ⬟࡟୚࠼ࡿᙳ㡪࡟㛵ࡍࡿ◊✲↓⥺ /$1 つ᱁࡛࠶ࡿ ,((( ࡣ」ᩘࡢࢹ࣮ࢱ

࣮ࣞࢺࢆᣢࡕࠊࡑࢀࡒࢀ࡟ࡘ࠸࡚ࠊ➢ྕ໬᪉ἲࠊᾘ㈝㟁ຊࠊ㏻ಙྍ⬟㊥㞳࡞࡝ࡶ␗࡞ࡿࠋࡲࡓࠊ,(((㹙㛵㐃Ⓨ⾲ㄽᩥ㹛 ࡟Ꮡᅾࡍࡿ」ᩘࡢつ᱁ࡣ␗࡞ࡿ≉ᛶࢆᣢࡘࠋ

(1) ㏻㜰⯟, ͆IEEE 802.11࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡

ࡉࡽ࡟ࠊྠࡌつ᱁࡛࠶ࡗ࡚ࡶࠊࣁ࣮ࢻ࢙࢘࢔ᵓᡂࡀ

ࢡ࡟࠾ࡅࡿ┬㟁ຊᡭἲࡀࢿࢵࢺ࣮࣡ࢡᛶ⬟࡟୚␗࡞ࡿ࡜ࠊᾘ㈝㟁ຊࡸ㏻ಙྍ⬟㊥㞳ࡣ኱ࡁࡃ␗࡞ࡿࠋ࠼ࡿᙳ㡪,͇ ኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗ⛉Ꮫ⛉≉ࡑࡢࡓࡵࠊ,((( ↓⥺ /$1 ࡟࠾ࡅࡿᾘ㈝㟁ຊู◊✲ሗ࿌, Feb. 2011.

࡟㛵ࡍࡿ㆟ㄽࢆ⾜࠺㝿࡟ࡣࠊᐇࣁ࣮ࢻ࢙࢘࢔ࡢ௙ᵝࢆ⪃៖ࡍࡿᚲせࡀ࠶ࡿࠋ୍᪉ࠊ↓⥺ᢏ⾡ࡢ୍⯡ⓗ࡞ ࢚ࣥࢻ➃ᮎ㛫ࣃࢫୖࡢ」ᩘ⟠ᡤࡢ฼⏝ྍ⬟ᖏ≉ᛶ࡜ࡋ࡚ࠊ㏦ಙ㟁ຊࠊ㏻ಙྍ⬟㊥㞳ཬࡧࠊࣅࢵࢺ

ᇦࡢྠ᫬ィᡭἲ࡟㛵ࡍࡿ◊✲࢚࣮ࣛ⋡࡞࡝ࡣ」㞧࡟㛵㐃ࡋ࡚࠸ࡿࠋࡍ࡞ࢃࡕࠊ,(((࢚ࣥࢻ➃ᮎ㛫࡟࠾ࡅࡿࢹ࣮ࢱ㌿㏦ࡢ㝿࡟ࠊࣃࢫࡢ

 ↓⥺ /$1 ࢆ⏝࠸ࡓ↓⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣡

฼⏝ྍ⬟ᖏᇦࢆᣦᶆ࡜ࡋ࡚⏝࠸ࡿࡇ࡜࡛ࠊ㍽㍵ࡢ᳨

࣮ࢡ࡟࠾࠸࡚ࡣࠊᾘ㈝㟁ຊࢆỴᐃࡍࡿせ⣲ࡀከࡃᏑ▱ࠊ㏻ಙ࣮ࣞࢺࡢไᚚࠊ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡ࡟

ᅾࡋࠊ࠿ࡘࠊࡑࢀࡽࡢせ⣲ࡀ」㞧࡞㛵ಀࢆᣢࡘࠋࡑ

࠾ࡅࡿࢺ࣏ࣟࢪไᚚࠊ⤒㊰ไᚚࡸ࣐ࣝࢳࣃࢫ㌿㏦࡞ࡢࡓࡵࠊᾘ㈝㟁ຊࢆᢚ࠼ࡓࢹ࣮ࢱ㌿㏦ࢆ⾜࠺ࡓࡵ࡟࡝ࡢᵝࠎ࡞ࢿࢵࢺ࣮࣡ࢡไᚚࡀྍ⬟࡜࡞ࡿࠋࡑࡢࡓ

ࡣࠊࡇࢀࡽࡢせ⣲ࡢ㛵ಀࢆ᫂ࡽ࠿࡟ࡋࠊࢹ࣮ࢱఏ㏦ࡵࠊ࢚ࣥࢻ➃ᮎ㛫ࣃࢫࡢ฼⏝ྍ⬟ᖏᇦࢆィ

᫬ࡢᾘ㈝㟁ຊࢆゎᯒⓗ࡟ホ౯ࡍࡿᚲせࡀ࠶ࡿࠋ࡜ࡣ㔜せ࡛࠶ࡿࠋᚑ᮶ࡢ➃ᮎ㛫ࣃࢫࡢ฼⏝ྍ⬟ᖏᇦ
㸫㸫

ࡍࡿࡇ

ᢏ⾡ࡣࠊ࣎ࢺࣝࢿࢵࢡ༊㛫ࡢ฼⏝ྍ⬟ᖏᇦࡢ࡞ࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡗ࡚⾜ࡗࡓࠋࡑࡢ⤖ᯝࠊ㏦್ࡢࡳࢆᢕᥱࡍࡿࡇ࡜ࡀ࡛ࡁࡿࡀࠊ୍᪉ࠊ࣎ࢺࣝࢿ

ಙ➃ᮎ࡟㏆࠸ࢿࢵࢺ࣮࣡ࢡ༊㛫ࡼࡾࠊཷಙ➃ᮎ࡟㏆ࢵࢡ༊㛫ࡑࡢࡶࡢࡢ≉ᐃࡸ࢚ࣥࢻ➃ᮎ㛫ࣃࢫࡢ」ᩘ

࠸ࢿࢵࢺ࣮࣡ࢡ༊㛫ࡢ฼⏝ྍ⬟ᖏᇦࡀ኱ࡁ࠸ሙྜ࡟

⟠ᡤࡢ฼⏝ྍ⬟ᖏᇦࡢィ ࢆ⾜࠺ࡇ࡜ࡣ࡛ࡁ࡞࠸ࠋ

࠾࠸࡚ࡶࠊࡑࢀࡒࢀࡢ༊㛫ࡢ฼⏝ྍ⬟ᖏᇦࢆィࡋ࠿ࡋࠊࡓ࡜࠼ࡤ↓⥺ࢿࢵࢺ࣮࣡ࢡ࡜᭷⥺ࢿࢵࢺ࣡ࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿࡇ࡜ࢆ☜ㄆࡋࡓࠋ

ࡢィࡍ࣮ࢡ࡞࡝ࢿࢵࢺ࣮࣡ࢡ≉ᛶࡀ␗࡞ࡿ༊㛫ࡀ࢚ࣥࢻ➃ᮎ㛫ࣃࢫୖ࡟ΰᅾࡋ࡚࠸ࡿሙྜ࡟ࠊࡑࢀࡒࢀࡢࢿࢵ

㹙㛵㐃Ⓨ⾲ㄽᩥ㹛ࢺ࣮࣡ࢡࡢ฼⏝ྍ⬟ᖏᇦࡢィࡀྍ⬟࡜࡞ࢀࡤࠊ↓(1) 㩾㇂࿴ṇ, ࢚͆ࣥࢻ➃ᮎ㛫ࣃࢫୖࡢ」ᩘ⟠ᡤࡢ⥺ࢿࢵࢺ࣮࣡ࢡ࡞࡝ࣃࢣࢵࢺㄗࡾࡢከ࠸⎔ቃ࡟ᛂࡌ฼⏝ྍ⬟ᖏᇦࡢྠ᫬ィ ᡭἲ࡟㛵ࡍࡿ᳨୍ウ,͇࡚㏻ಙ࣮ࣞࢺࢆపࡃタᐃࡍࡿ࡞࡝ࡢࠊࢿࢵࢺ࣮࣡ࢡ

኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗ⛉Ꮫ⛉≉ู◊✲ሗ࿌,⎔ቃ࡟ᛂࡌࡓไᚚࢆ⾜࠺ࡇ࡜ࡀ࡛ࡁࡿࠋ

Feb. 2011.
7&3 ㏦ಙࢆ๓ᥦ࡜ࡋࡓࣅࢹ࢜ࢫࢺ࣮࣑ࣜࣥࢢ
᪉ᘧ࡟㛵ࡍࡿ◊✲㏆ᖺࠊࢿࢵࢺ࣮࣡ࢡࡢᗈᖏᇦ໬࡟ࡼࡾࠊ<RX7XEH࡟௦⾲ࡉࢀࡿ 7&3 ࢆ⏝࠸ࡓື⏬ീࢫࢺ࣮࣑ࣜࣥࢢࢧ
࣮ࣅࢫࡀᬑཬࡋ࡚࠸ࡿࠋࡋ࠿ࡋ࡞ࡀࡽࠊ7&3 ࡣࡑࡢ㍽㍵ไᚚࡢࡓࡵࠊື⏬ീࢫࢺ࣮࣑ࣜࣥࢢ࡟㐺ࡋ࡚࠸࡞࠸࡜࠸࠺ᣦ᦬ࡀ࠶ࡿࠋ⌧ᅾࡢᶆ‽ⓗ࡞ 7&3 ࡛࠶ࡿ
7&31HZ5HQRࡢ㍽㍵ไᚚ࢔ࣝࢦࣜࢬ࣒ࡣࠊ㍽㍵࢘࢕
ࣥࢻ࢘ࢧ࢖ࢬ࡜࿧ࡤࢀࡿࣃ࣓࣮ࣛࢱࢆ⏝࠸࡚ࠊ☜ㄆᛂ⟅↓ࡋ࡟୍ᗘ࡟㏦ಙ࡛ࡁࡿࢹ࣮ࢱࣃࢣࢵࢺᩘࢆㄪ
⠇ࡍࡿࡇ࡜࡟ࡼࡗ࡚ࠊࣃࢣࢵࢺ㌿㏦㏿ᗘࢆㄪ⠇ࡋ࡚࠸ࡿࠋࡇࡢ㍽㍵ไᚚ࢔ࣝࢦࣜࢬ࣒ࡣࠊࣃࢣࢵࢺᲠ༷
ࢆ᳨▱ࡋࡓ࡜ࡁࠊ኱ࡁࡃ㍽㍵࢘࢕ࣥࢻ࢘ࢧ࢖ࢬࢆῶ
ᑡࡉࡏࡿࡓࡵࠊ㌿㏦࣮ࣞࢺࡀ኱ࡁࡃኚ໬ࡍࡿࠋື⏬
ࡢ෌⏕ࡢࡓࡵ࡟ࡣࠊ୍ᐃ࣮ࣞࢺࡢࢹ࣮ࢱ㌿㏦ࡀᮃࡲ
ࡋࡃࠊ㌿㏦࣮ࣞࢺࢆ኱ࡁࡃኚ໬ࡉࡏࡿ 7&3 ࡣ㐺ࡋ࡚ࡑࡇ࡛ᮏ◊✲࡛ࡣࠊ࢚ࣥࢻ➃ᮎ㛫ࡢࣃࢫୖ࡟࠾ࡅ

࠸࡞࠸ࠋࡲࡓࠊ7&3 ࡢ㍽㍵ไᚚࡣ㈎ḧ࡞ไᚚ࡛࠶ࡾࠊ

ࡿ」ᩘ࠿ࡘ௵ពࡢ༊㛫࡟࠾ࡅࡿ฼⏝ྍ⬟ᖏᇦࢆྠ᫬

ࣃࢣࢵࢺᲠ༷ࢆ᳨▱ࡍࡿࡲ࡛ࠊ㍽㍵࢘࢕ࣥࢻ࢘ࢆቑ

࡟ィຍࡉࡏࡿࠋࡑࡢࡓࡵࠊື⏬ࡢ෌⏕࣮ࣞࢺ࡟㛵ಀ࡞ࡃࡍࡿᡭἲ࡟ࡘ࠸᳨࡚ウࡋࡓࠋᚑ᮶ࡢ฼⏝ྍ⬟ᖏᇦࡢィࡑࡢ㌿㏦࣮ࣞࢺࢆቑຍࡉࡏࠊ௚ࡢࢺࣛࣄࢵࢡ࠿ࡽᖏ

ᡭἲࡣ㏦ಙ➃ᮎࡀཷಙ➃ᮎ࡟ྥࡅ࡚ィ⏝ࣃࢣࢵࢺࢆ㏦ࡿ㝿࡟ࠊࣃࢣࢵࢺࡢ㏦ಙ㛫㝸ࢆᵝࠎ

ᇦࢆ୙せ࡟ዣ࠺ၥ㢟ࡀ࠶ࡿࠋ

࡟ኚ໬ࡉࡏࠊཷಙ➃ᮎ࡟࠾ࡅࡿཷಙ㛫㝸ࢆほᐹࡍࡿࡑࡇ࡛ᮏ◊✲࡛ࡣࠊࡲࡎࠊ᪤Ꮡࡢ 7&3 ࢆ⏝࠸ࡓືࡇ࡜࡛฼⏝ྍ⬟ᖏᇦࢆィ ࡍࡿࠋࡑࡇ࡛ࠊᥦ᱌ᡭἲ

⏬ീࢫࢺ࣮࣑ࣜࣥࢢࢧ࣮ࣅࢫࡢࢹ࣮ࢱ㌿㏦᪉ᘧࢆㄪ

࡟࠾࠸࡚ࡣࠊࣃࢣࢵࢺࡢ㏦ಙ㛫㝸ࡢไᚚ᪉ἲࢆᨵၿ

ᰝࡋࠊ᪤Ꮡࡢື⏬ീࢫࢺ࣮࣑ࣜࣥࢢࢧ࣮ࣅࢫࡀࠊື

ࡋࠊ࠿ࡘࠊ࢚ࣥࢻ➃ᮎ㛫ࣃࢫୖࡢ࣮ࣝࢱ࡟࠾࠸࡚グ⏬ࡢ෌⏕࣮ࣞࢺࡼࡾ㠀ᖖ࡟኱ࡁ࡞࣮ࣞࢺ࡛ࢹ࣮ࢱ㌿㘓ࡉࢀࡿࣃࢣࢵࢺࡢ㏦ཷಙ᫬้ࢆ฼⏝ࡍࡿࡇ࡜࡟ࡼ

㏦ࡋ࡚࠸ࡿࡇ࡜ࢆ♧ࡋࡓࠋࡉࡽ࡟ࠊ࢔ࣉࣜࢣ࣮ࢩࣙ

ࡗ࡚ࠊ➃ᮎ㛫ࡢࣃࢫୖ࡟࠾ࡅࡿ௵ពࡢ༊㛫ࡢ฼⏝ྍࣥᒙ࡟࠾࠸࡚ࢹ࣮ࢱ㌿㏦ࢆไᚚࡍࡿࡇ࡜࡛ࠊࢺࣛࣥ

⬟ᖏᇦࢆィ ࡍࡿࠋᥦ᱌᪉ᘧࡢᛶ⬟ホ౯ࡣࠊ⡆᫆ⓗࢫ࣏࣮ࢺᒙࣉࣟࢺࢥࣝ࡟ 7&3 ࢆ⏝࠸ࡿ࡟ࡶ࠿࠿ࢃࡽ

㸫㸫ࡎࠊᚲせ௨ୖࡢࢿࢵࢺ࣮࣡ࢡᖏᇦࢆዣࢃ࡞࠸ࠊື⏬

ྍ⬟ᖏᇦࡀᑠࡉࡃ࡞ࡗࡓሙྜ࡟㡢ኌࡸ⏬㉁ࡢ㏵ษࢀ

ീࢫࢺ࣮࣑ࣜࣥࢢࡢࢹ࣮ࢱ㌿㏦᪉ᘧࢆᥦ᱌ࡋࡓࠋᥦ

࡞࡝ࡀⓎ⏕ࡋࠊ࢔ࣉࣜࢣ࣮ࢩࣙࣥရ㉁ࡀ኱ࡁࡃຎ໬

᱌᪉ᘧࡣࠊ㏦ಙഃ࣍ࢫࢺࡢ 7&3 ࠿ࡽ 7&3 ࡢ≧ែኚᩘࡍࡿࠋࡲࡓ㏫࡟ࠊࢿࢵࢺ࣮࣡ࢡᖏᇦ࡟వ⿱ࡀ࠶ࡿሙ

ࢆྲྀᚓࡋࠊࢿࢵࢺ࣮࣡ࢡࡢ㍽㍵≧ἣࢆ᥎ ࡍࡿࠋࡲྜ࡟࠾࠸࡚ࡶࠊࡑࢀࡀㄆ㆑࡛ࡁ࡞࠸࡜ࠊࢿࢵࢺ࣮࣡

ࡓࠊཷಙഃ࣍ࢫࢺ࠿ࡽື⏬ࡢࣂࢵࣇ࢓ࣜࣥࢢ㔞ࢆྲྀࢡᖏᇦࢆຠ⋡ⓗ࡟౑࠺ࡇ࡜ࡀ࡛ࡁ࡞࠸ࠋࢿࢵࢺ࣮࣡

ᚓࡋࠊࢿࢵࢺ࣮࣡ࢡࡢ㍽㍵≧ἣ࡜ཷಙഃ࣍ࢫࢺࡢື

ࢡᖏᇦࡢ౑⏝ຠ⋡ࢆ㧗ࡵࠊ࢔ࣉࣜࢣ࣮ࢩࣙࣥရ㉁ࢆ

⏬ࡢࣂࢵࣇ࢓ࣜࣥࢢ㔞࡟ᇶ࡙࠸࡚ࠊ ࣛ࢘ࣥࢻࢺࣜ

ྥୖࡉࡏࡿࡓࡵ࡟ࡣࠊࢿࢵࢺ࣮࣡ࢡ≉ᛶࡸ㍽㍵≧ἣࢵࣉ᫬㛫࡟㏦ಙഃ࣍ࢫࢺࡢ 7&3 ࡟Ώࡍࢹ࣮ࢱ㔞ࢆㄪ࡞࡝ࢆᢕᥱࡋࠊࡑࡢᵝᏊ࡟ᛂࡌ࡚ື⏬ീရ㉁࡞࡝ࢆ

⠇ࡍࡿࡇ࡜࡛ࠊ㌿㏦࣮ࣞࢺࢆไᚚࡍࡿࠋࢩ࣑࣮ࣗࣞ

ㄪᩚࡋࠊ࢔ࣉࣜࢣ࣮ࢩࣙࣥࡀ౑࠺ࢿࢵࢺ࣮࣡ࢡᖏᇦ

ࢩࣙࣥ࡟ࡼࡿホ౯ࡢ⤖ᯝࠊᥦ᱌᪉ᘧࡣ᪤Ꮡࡢ᪉ᘧ࡜

ࢆไᚚࡍࡿࡇ࡜ࡀ㔜せ࡜࡞ࡿࠋࢿࢵࢺ࣮࣡ࢡࡢ㍽㍵

␗࡞ࡾࠊཷಙഃ࣍ࢫࢺ࡟࠾ࡅࡿࣂࢵࣇ࢓࢔ࣥࢲ࣮ࣇ

≧ែ࡞࡝࡟ᛂࡌࡓື⏬ീရ㉁ࡢㄪᩚᶵᵓࡣࠊࡇࢀࡲ

࣮ࣟࡢⓎ⏕ࢆᢚ࠼ࠊ࠿ࡘࠊࣂࢵࢡࢢࣛ࢘ࣥࢻࢺࣛࣄ

࡛࡟ࡶከᩘࡢᥦ᱌࠾ࡼࡧ〇ရࡀᏑᅾࡍࡿࡀࠊࡑࢀࡽ

ࢵࢡࡢᖏᇦࢆዣࢃ࡞࠸ࡇ࡜ࢆ♧ࡋࡓࠋࡢ࡯࡜ࢇ࡝ࡣࠊࣃࢣࢵࢺᗫᲠࡸ㐜ᘏ᫬㛫ࢆィィࡋࠊ್ࡢኚ໬ࢆዎᶵ࡟ࣅࢵࢺ࣮ࣞࢺ➼ࡢㄪᩚࢆ⾜࠺ࡓࡵࠊࢿࢵࢺ࣮࣡ࢡ≉ᛶࡸ㍽㍵≧ែࡢኚ໬࡟ᑐࡍࡿ
཯ᛂࡀᮏ㉁ⓗ࡟㐜ࢀࡿࠋ
㹙㛵㐃Ⓨ⾲ㄽᩥ㹛(1) ஂᯇ₶அ, 㛗㇂ᕝ๛, ᮧ⏣ṇᖾ, ͆TCPࡢࣃࢣࢵࡑࡇ࡛ᮏ◊✲࡟࠾࠸࡚ࡣࠊ࢖ࣥࣛ࢖ࣥࢿࢵࢺ࣮࣡

ࢺ㏦ฟࡢࣂ࣮ࢫࢺᛶࢆᢚไࡋࡓື⏬ീࢫࢺ࣮ࣜ

ࢡィᡭἲࢆ⏝࠸࡚฼⏝ྍ⬟ᖏᇦࢆィ ࡋࠊィ࣑ࣥࢢࡢᥦ᱌࡜ホ౯,͇ ಙᏛᢏሗ (CQ2010-39),ᯝ࡟ᛂࡌ࡚ື⏬ീࡢࣅࢵࢺ࣮ࣞࢺࢆኚ᭦ࡍࡿࡇ࡜ࡀ

vol.110, no.198, pp.31-36, Sep. 2010.

࡛ࡁࡿࣅࢹ࢜఍㆟࢔ࣉࣜࢣ࣮ࢩࣙࣥࡢタィࢆ⾜ࡗࡓࠋ
ࡲࡓࠊィ



⤖

ᡭἲࡢᐇ⿦ᐇ㦂⤖ᯝࢆ♧ࡍࡇ࡜࡟ࡼࡾࠊ

ᢏ⾡ࡢࣅࢹ࢜

ࡑࡢ᭷ຠᛶࢆホ౯ࡋࡓࠋ≉࡟ࠊ7&3ࢥࢿࢡࢩࣙࣥෆ

఍㆟࢔ࣉࣜࢣ࣮ࢩࣙࣥ࡬ࡢᛂ⏝࡟㛵ࡍࡿ◊✲ ࣈ࡛ࣛ⏝࠸ࡿࡇ࡜ࢆ᝿ᐃࡋ࡚࠸ࡓ ,P7&3 ࢆࠊ࢔ࣉࣜࢣ࣮

ࢨ࣮ᕤᴗᰴᘧ఍♫࡜ࡢඹྠ◊✲ ࢩࣙࣥᒙࣉࣟࢢ࣒ࣛ࡟ࡼࡗ࡚ᐇ⌧ࡍࡿ㝿࡟Ⓨ⏕ࡍࡿ㏆ᖺࡢࢿࢵࢺ࣮࣡ࢡᖏᇦࡢቑຍ࡟࡜ࡶ࡞࠸ࠊ࢜ࣥ

ᵝࠎ࡞ၥ㢟࡟╔┠ࡋࠊ,P7&3 ࡀ⏝࠸࡚࠸ࡿィ ࢔ࣝࢹ࣐ࣥࢻࣅࢹ࢜㓄ಙࡸᐇ᫬㛫㡢ኌ఍ヰ࣭ࣅࢹ࢜఍㆟ࢦ࣒ࣜࢆᐇ⌧ࡍࡿࡇ࡜ࡀ࡛ࡁࡿࡼ࠺࡞ィ ⏝ࣃࢣࢵ࢔ࣉࣜࢣ࣮ࢩࣙࣥ࡞࡝ࡢࠊື⏬ീ㏻ಙࢆక࠺࢔ࣉࣜ

ࢺ⩌ࡢᵓᡂ᪉ἲ࡞࡝࡟ࡘ࠸᳨࡚ウࡋࡓࠋࡲࡓࠊ&38࡬

ࢣ࣮ࢩࣙࣥࡢ฼⏝ࡀᛴ㏿࡟㐍ࢇ࡛࠸ࡿࠋࢿࢵࢺ࣮࣡

ࡢ࣮࢜ࣂ࣊ࢵࢻ࡜ィࢡᖏᇦࡢቑຍ࡟࡜ࡶ࡞࠸ࠊࡇࢀࡽࡢ࢔ࣉࣜࢣ࣮ࢩࣙィ ࡟ᚲせ࡜࡞ࡿࣃࢣࢵࢺ㏦ಙ㛫㝸ࡢᐇ⌧᪉ἲ࡜ࡋࣥࡣ㡢ኌ࣭ື⏬ീရ㉁ࡢྥୖࡸከᆅⅬᑐᛂ࡞࡝ࡢ㧗࡚  ✀㢮ࡢᐇ⿦᪉ἲࢆᥦ᱌ࡋࠊࡑࡢᛶ⬟ࢆẚ㍑ホ౯ᶵ⬟໬ࡀ㐍ࡵࡽࢀࠊ⏝࠸ࡿᖏᇦࡣቑຍࡍࡿഴྥ࡟࠶

ࡋࡓࠋᛶ⬟ホ౯࡟㝿ࡋ࡚ࡣࠊᥦ᱌ᡭἲࢆᐇ⿦ࡋࠊᐇ

ࡿࠋᚑ᮶ࡇࡢࡼ࠺࡞࢔ࣉࣜࢣ࣮ࢩࣙࣥ࡟࠾࠸࡚ࡣࠊ

㦂ࢿࢵࢺ࣮࣡ࢡ⎔ቃ࡟࠾ࡅࡿィ࣮ࣘࢨࡀ஦๓࡟ື⏬ീࡸ㡢ኌရ㉁ࢆᣦᐃࡍࡿࡶࡢࡀ

ᥦ᱌᪉ᘧࡢ᭷ຠᛶࢆ☜ㄆࡋࡓࠋホ౯ࡢ⤖ᯝࠊ࡯࡜ࢇ࡝࡛࠶ࡗࡓࠋࡑࡢሙྜࠊࢿࢵࢺ࣮࣡ࢡࡢ฼⏝EXV\ZDLW ࢆ⏝࠸ࡓᡭἲࡣࠊィ ⢭ᗘࡣ㧗࠸ࡶࡢࡢࠊ

࢖ࣥࣛ࢖ࣥࢿࢵࢺ࣮࣡ࢡィ㸫㸫⢭ᗘࡢࢺ࣮ࣞࢻ࢜ࣇ࡟╔┠ࡋࠊ⢭ᗘࡢホ౯ࢆ⾜࠸ࠊ㧗࠸ &38㈇Ⲵࡀၥ㢟࡟࡞ࡾᚓࡿࡇ࡜ࠊࡲࡓࠊVOHHS

ࢺ࣮࣡ࢡᵓ⠏ࡢࡓࡵࡢᇶ┙ᢏ⾡◊✲ศ⛉఍࣡ࢆ⏝࠸ࡓᡭἲࡣࠊィ࣮ࢡࢩࣙࢵࣉ (ITRC-NWGN 2010), ᖿ஦, Sep.

⢭ᗘࡣⱝᖸపୗࡍࡿࡶࡢࡢࠊ

&38㈇Ⲵࢆ࡯࡜ࢇ࡝ቑຍࡉࡏ࡞࠸ࡇ࡜ࡀࢃ࠿ࡗࡓࠋ

2010.
㸦௨ୖࠊ㇂ཱྀ㸧ㄽᩥㄅ⦅㞟(1) Editorial Advisory Board, IARIA International

Journal On Advances in Systems and Measurements,

㹙㛵㐃Ⓨ⾲ㄽᩥ㹛2009-(1) 㛗㇂ᕝ๛, ᑿụ೺஧, ኳ㔝຾༤, ᮧ⏣ṇᖾ, ͆࢖(2) Editorial Advisory Board, IARIA Internationalࣥࣛ࢖ࣥࢿࢵࢺ࣮࣡ࢡィ ᢏ⾡ࡢࣅࢹ࢜఍㆟࢔

Journal On Advances in Networks and Services,ࣉࣜࢣ࣮ࢩࣙࣥ࡬ࡢᛂ⏝,͇ ಙᏛᢏሗ2009-

(IN2010-25), vol.110, no.116, pp.13-18, July 2010.

(3) Editorial Board Member, ISRN Communications,



2010-

 ♫఍㈉⊩࡟㛵ࡍࡿᴗ⦼

㸦௨ୖࠊ㛗㇂ᕝ㸧 ᩍ⫱㠃࡟࠾ࡅࡿ♫఍㈉⊩ᅜ㝿఍㆟࡬ࡢཧ⏬ Ꮫእάື

(1)

(1)

The 9th International Conference on Networks᝟ሗ⛉Ꮫ࡟㛵ࡍࡿ⏘Ꮫ㐃ᦠࢆ᥎㐍ࡍࡿ⤌⧊ IT(ICN 2010), Technical Program Committee Mem-㐃ᦠࣇ࢛࣮࣒ࣛ OACIS ࡢᖿ஦ࢆᢸᙜࡋࡓࠋ

ber, Apr. 2010.

㸦2009 ᖺ 4 ᭶㹼ࠊ୰㔝㸧

(2)

The 12th IEEE/IFIP Network Operations andManagement◊✲㒊㛛බ㛤2010), Local Arrangement Co-Chairs, Apr. 2010.

(1)

(2)

2010 ᖺ 5 ᭶ 1 ᪥ࠊ࠸ࡕࡻ࠺⚍࡟࡚◊✲ᐊබ㛤

(IEEE/IFIPNOMS

The 5th International Conference on Internet Mon-ࢆ⾜ࡗࡓࠋ76 ேࡢ᮶ゼ⪅ࡀ࠶ࡗࡓࠋ

itoring and Protection (ICIMP 2010), Advisory2010 ᖺ 8 ᭶ 10 ᪥ࠊ୍᪥య㦂ධᏛ࡟࡚◊✲ᐊබ

Chair, May 2010.

㛤ࢆ⾜ࡗࡓࠋ
(3)(3)

Symposium(4)

The 5th International Conference on Internet Mon-2010 ᖺ 8 ᭶ 17 ᪥ࠊ኱Ꮫㄝ᫂఍࡟࡚◊✲ᐊබ㛤

itoring and Protection (ICIMP 2010), Technicalࢆ⾜ࡗࡓࠋProgram Committee Member, May 2010.



(5)

The IEEE 2010 International Communications Ꮫ఍άື

Quality and Reliability Workshop (IEEE CQR ᅜෆᏛ఍࡟࠾ࡅࡿάື2010), Technical Program Committee Member,(1)⏬ീ㟁ᏊᏛ఍ ᆅ᪉⌮஦May 2010.

㸦௨ୖࠊ୰㔝㸧
(2)

(3)

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㟁Ꮚ᝟ሗ㏻ಙᏛ఍ ࢥ࣑ࣗࢽࢣ࣮ࢩࣙࣥࢡ࢜ࣜ

tions (IEEE ICC 2010), Technical Program Com-ࢸ࢕◊✲఍ ᑓ㛛ጤဨ

mittee Member, May 2010.

᝟ሗฎ⌮Ꮫ఍ ࣐ࣝࢳ࣓ࢹ࢕࢔㏻ಙ࡜ศᩓฎ⌮(7)◊✲఍ 㐠Ⴀጤဨ

The 2nd International Conference on Emerging
Network Intelligence (EMERGING 2010), Tech-㸦௨ୖࠊ㛗㇂ᕝ㸧(4)

IEEE International Conference on Communica-

nical Program Committee Member, Oct. 2010.

࢖ࣥࢱ࣮ࢿࢵࢺᢏ⾡➨ 163 ጤဨ఍ ᪂ୡ௦ࢿࢵ

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The 16th Asia-Pacific Conference on Communica-

tions (APCC 2010), Technical Program Committee㸦௨ୖࠊ㛗㇂ᕝ㸧

Member, Nov. 2010.
(9)IEEE Global Communications Conference (IEEE⏘Ꮫ㐃ᦠ

GLOBECOM 2010), Technical Program Commit-௻ᴗ࡜ࡢඹྠ◊✲tee Member, Dec. 2010.

(1)▱⢭ᗘࢆྥୖࡍࡿᐇ㦂ⓗ◊✲(10) The 10th International Conference on Networks(ICN 2011), Technical Program Committee Mem-Ἀ㟁Ẽᕤᴗᰴᘧ఍♫, ࢿࢵࢺ࣮࣡ࢡࡢ␗ᖖ᳨

(2)ࣈࣛࢨ࣮ᕤᴗᰴᘧ఍♫, ࢖ࣥࢱ࣮ࢿࢵࢺୖࡢ
ࣜ࢔ࣝࢱ࢖࣒࣓ࢹ࢕࢔㏻ಙ࡟࠾ࡅࡿࠊ

ber, Jan. 2011.

EndToEnd ࡢ㍽㍵ไᚚᢏ⾡ࡢ㛤Ⓨ(11) The 6th International Conference on Internet Monitoring and Protection (ICIMP 2011), Advisory(௨ୖࠊ㛗㇂ᕝ)Chair, Mar. 2011.
(12) The 6th International Conference on Internet Monitoring and Protection (ICIMP 2011), TechnicalᏛእ࡛ࡢㅮ₇
(1)

2010 ᖺ 7 ᭶ࠊ2010 ᗘ OACIS ㅮᗙ㸦๓ᮇ㸧࡟࠾࠸࡚ㅮ⩏ࢆ⾜ࡗࡓࠋProgram Committee Member, Mar. 2011.
㸦௨ୖࠊ㛗㇂ᕝ㸧(2)࡟࠾࠸࡚ㅮ⩏ࢆ⾜ࡗࡓࠋ(13) The 4th International Conference on Mobile Ubiquitous Computing, Systems, Services and Tech-2010 ᖺ 11 ᭶ࠊ2010 ᖺᗘ OACIS ㅮᗙ㸦ᚋᮇ㸧㸦௨ୖࠊ୰㔝ࠊ㛗㇂ᕝ㸧

nologies (UBICOMM 2010), Technical Program≉チ

Committee Member, Oct. 2010.
(14) The 1st International Conference on Pervasive andヱᙜ࡞ࡋEmbedded Computing and Communication Sys-

tems (PECCS 2011), Program Committee Member,Ꮫእጤဨ

Mar. 2011.

ヱᙜ࡞ࡋ㸦௨ୖࠊ㇂ཱྀ㸧ࣉࣟࢪ࢙ࢡࢺάື

Ꮫ఍࡟࠾ࡅࡿᣍᚅㅮ₇࣭ࣃࢿࣝ

(1)(1) ୰㔝༤㝯, “᪂ࡋ࠸᫬௦ࡢ⤒Ⴀຊࢆᨭ࠼ࡿITᡓ␎㹼ࢢ࣮ࣟࣂࣝ➇தࢆ຾ࡕᢤࡃࡓࡵ࡟,”ᢏ⾡ࡢ◊✲㛤Ⓨ ㄢ㢟࢝ࠖ, 2007㹼2010 ᖺᗘศᢸITࢩ࣏ࣥࢪ࣒࢘ Info-Tech 2010, Oct. 2010. 㸦ࣃࢿࣝࢹ

NICT ཷク◊✲ ࠕࢲ࢖ࢼ࣑ࢵࢡࢿࢵࢺ࣮࣡ࢡ

(2)࢕ࢫ࢝ࢵࢩࣙࣥ, ࢥ࣮ࢹ࢕ࢿ࣮ࢱ࣮㸧

NICT ཷク◊✲ ࠕ↓⥺࣭᭷⥺ࢥࢢࢽࢸ࢕ࣈ⎔ቃ࡟࠾ࡅࡿ࣮ࣘࢨࢆ୺య࡜ࡋࡓࢿࢵࢺ࣮࣡ࢡ

㸦௨ୖࠊ୰㔝㸧

ไᚚࠖ, 2010 ᖺᗘศᢸ

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⥲ົ┬ PREDICT ࠕࢿࢵࢺ࣮࣡࢟ࣥࢢࣁ࣮ࢻ

ᣍᚅㄽᩥ

࢙࢘࢔ࡢᚭᗏࡋࡓࢫࣛ࢖ࢫ໬࡟ᇶ࡙ࡃ┬㟁ຊヱᙜ࡞ࡋ࣮ࣝࢱ࢔࣮࢟ࢸࢡࢳࣕࡢ◊✲㛤Ⓨࠖ, 2010㹼2012 ᖺᗘศᢸ

Ꮫ఍⾲ᙲ㸦௨ୖࠊ㛗㇂ᕝ㸧(1) ᖹᡂ22ᖺᗘ㟁Ꮚ᝟ሗ㏻ಙᏛ఍㏻ಙࢯࢧ࢖࢚ࢸ

(4)࢕άືຌປ㈹, Sep. 2010.

ࢿࢵࢺ࣮࣡ࢡࢥࣥࢸࣥࢶ࡟ᑐࡍࡿ⟶⌮࣭⤫ྜᇶ(2) ᖹᡂ22ᖺᗘ㟁Ꮚ᝟ሗ㏻ಙᏛ఍㏻ಙࢯࢧ࢖࢚ࢸ
࢕ㄽᩥ㈹⛉Ꮫ◊✲㈝⿵ຓ㔠㸦≉ᐃ㡿ᇦ㸧 ࠕࣘࣅ࢟ࢱࢫ
┙࡟㛵ࡍࡿ◊✲ࠖ, 2008㹼2010 ᖺᗘศᢸ

(5)
㸫㸫

⛉Ꮫ◊✲㈝⿵ຓ㔠㸦ⱝᡭ B㸧 ࠕᗈᇦࢭࣥࢧࢿ

ࢵࢺ࣮࣡ࢡࡢࡓࡵࡢࢭࣥࢧ➃ᮎ㓄⨨ἲࠖ, 2009
㹼2010 ᖺᗘ௦⾲

pp.250-255, Sep. 2010.
(6) Yoshiaki Taniguchi, Akimitsu Kanzaki, Naoki㸦௨ୖࠊ㇂ཱྀ㸧

Wakamiya, and Takahiro Hara, “Autonomous data
gathering mechanism with transmission reduction ᖺᗘ◊✲Ⓨ⾲ㄽᩥ୍ぴ

for wireless sensor networks,” in Proceedings of the2011 International Conference on Communications,Ꮫ⾡ㄽᩥㄅComputing and Control Applications (CCCA 2011),(1) Shoichi Takemori, Go Hasegawa, Yoshiaki Tanigu-

Mar. 2011.

chi, and Hirotaka Nakano, “Service area deployment(7) Shimpei Tanaka, Go Hasegawa, Yoshiaki Taniguchi,

of IEEE 802.16j wireless relay networks: service

and Hirotaka Nakano, “Time slot assignment algo-area coverage, energy consumption, and resource

rithms for reducing upstream latency in IEEEutilization efficiency,” International Journal on Ad-

802.16j networks,” in Proceedings of the 7th Ad-

vances in Internet Technology, vol.3, no.1-2,

vanced International Conference on Telecommuni-

pp.43-52, Sep. 2010.

cations (AICT 2011), Mar. 2011.

(2) Masafumi Hashimoto, Go Hasegawa, and Masayuki(8) Gyeongyeon Kang, Yoshiaki Taniguchi, Go Haseg-

Murata, “A transport-layer solution for alleviating

awa, and Hirotaka Nakano, “Extending the protocol

TCP unfairness in a wireless LAN environment,”

interference model considering SINR for wireless

IEICE Transactions on Communications, vol.E94-B,

mesh networks,” in Proceedings of the 7th Advanced

no.3, pp.765-776, Mar. 2011.

International Conference on Telecommunications

(AICT 2011), Mar. 2011.

ᅜ㝿఍㆟఍㆟㘓(3) Masafumi Hashimoto, Go Hasegawa, and Masayukiཱྀ㢌Ⓨ⾲㸦ᅜෆ◊✲఍࡞࡝㸧(9) ➉᳃⩧୍, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯,

Murata, “Trade-off evaluation between fairness andthroughput for TCP congestion control mechanisms

͆IEEE 802.16j࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࢧ

in a wireless LAN environment,” in Proceedings of࣮ࣅࢫ㡿ᇦᒎ㛤ᡭἲࡢᛶ⬟ホ౯,͇ಙᏛᢏሗ

the 2010 International Symposium on Performance(IN2010-7), vol.110, no.18, pp.37-42, May 2010.

Evaluation of Computer and Telecommunication(10) 㛗㇂ᕝ๛, ᮧ⏣ṇᖾ, ࣮͆࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡ

Systems (SPECTS 2010), pp.22-29, July 2010.

࡟࠾ࡅࡿィ ⤖ᯝ⤫ྜᡭἲࡢ⢭ᗘホ౯,͇ ಙᏛ(4) Takuro Horie, Go Hasegawa, and Masayuki Murata,ᢏሗ (NS2010-16), vol.110, no.39, pp.1-6, May“Proactive recovery method against multiple net-

2010.

work failures with overlay networking technique,”(11) ᯇ⏣୍ோ, 㛗㇂ᕝ๛, ட஭⪽, ᮧ⏣ṇᖾ, ࣮͆࢜in Proceedings of the 14th International Telecom-ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ࡟㉳ᅉࡍࡿISP㛫ࢺࣛࣥࢪmunications Network Strategy and Planning Sympo-ࢵࢺࢥࢫࢺ๐ῶᡭἲࡢᥦ᱌࠾ࡼࡧホ౯,͇ ಙᏛ

sium (NETWORKS 2010), pp.89-94, Sep. 2010.

ᢏሗ (NS2010-17), vol.110, no.39, pp.7-12, May(5) Kazuhito Matsuda, Go Hasegawa, Satoshi Kamei,

2010.

and Masayuki Murata, “Performance evaluation of a(12) 㛗㇂ᕝ๛, ᑿụ೺஧, ኳ㔝຾༤, ᮧ⏣ṇᖾ, ͆࢖

method to reduce inter-ISP transit cost caused byࣥࣛ࢖ࣥࢿࢵࢺ࣮࣡ࢡィ ᢏ⾡ࡢࣅࢹ࢜఍㆟࢔

overlay routing,” in Proceedings of the 14th Interna-ࣉࣜࢣ࣮ࢩࣙࣥ࡬ࡢᛂ⏝,͇ ಙᏛᢏሗtional Telecommunications Network Strategy and(IN2010-25), vol.110, no.116, pp.13-18, July 2010.

Planning Symposium (NETWORKS 2010),(13) ఀໃᝆ㍤, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯, ͆㞀㸫㸫ᐖ≀࡟ࡼࡿ㏻ಙ㟁Ἴࡢ㐽᩿ࢆ⪃៖ࡋࡓIEEE

no.448, pp.129-134, Mar. 2011.

802.16j࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡࡢᛶ⬟ホ౯,͇ಙᏛᢏ

(22) ጧிᘏ, ㇂ཱྀ⩏᫂, 㛗㇂ᕝ๛, ୰㔝༤㝯, ͆↓⥺ሗ (IN2010-54), vol.110, no.191, pp.61-66, Sep.

࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿಙྕᑐᖸ΅ẚࢆ

2010.

⪃៖ࡋࡓ⡆᫆㟁Ἴᖸ΅ࣔࢹࣝࡢホ౯,͇ ಙᏛᢏ
ሗ (NS2010-189), vol.110, no.448, pp.145-150, Mar.

(14) ஂᯇ₶அ, 㛗㇂ᕝ๛, ᮧ⏣ṇᖾ, ͆TCPࡢࣃࢣࢵ
ࢺ㏦ฟࡢࣂ࣮ࢫࢺᛶࢆᢚไࡋࡓື⏬ീࢫࢺ࣮ࣜ
࣑ࣥࢢࡢᥦ᱌࡜ホ౯,͇ ಙᏛᢏሗ (CQ2010-39),

2011.
(23) ⏣୰ៅᖹ, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯, ͆㏻
ಙ⤒㊰ࢆ⪃៖ࡋࡓIEEE 802.16jୖࡾࣜࣥࢡ࡬ࡢ

vol.110, no.198, pp.31-36, Sep. 2010.

ࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚ᡭἲࡢᣑᙇ,͇ ಙᏛᢏ(15) ⏣୰ៅᖹ, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯,͆IEEE 802.16jୖࡾ㏻ಙ࡟࠾ࡅࡿఏ㏦㐜ᘏ᫬㛫ሗ (NS2010-195), vol.110, no.448, pp.181-186, Mar.

పῶࡢࡓࡵࡢࢱ࢖࣒ࢫࣟࢵࢺ๭ࡾᙜ࡚ᡭἲࡢᥦ

2011.
(24) ➉᳃⩧୍, 㛗㇂ᕝ๛, ㇂ཱྀ⩏᫂, ୰㔝༤㝯, ͆↓᱌,͇ ಙᏛᢏሗ (NS2010-78), vol.110, no.240,⥺ࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿᒁᡤࢺ࣏ࣟࢪ᝟ሗࢆ⏝pp.49-54, Oct. 2010.
(16) ጧிᘏ, ㇂ཱྀ⩏᫂, 㛗㇂ᕝ๛, ୰㔝༤㝯, ͆↓⥺࠸ࡓ⿕そ㡿ᇦࡢ⮬ᚊไᚚᡭἲ,͇ ಙᏛᢏሗ࣓ࢵࢩࣗࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿಙྕᑐᖸ΅ẚࢆ(NS2010-196), vol.110, no.448, pp.187-192, Mar.

⪃៖ࡋࡓ⡆᫆㟁Ἴᖸ΅ࣔࢹࣝ࡟㛵ࡍࡿ᳨୍ウ,͇2011.

ಙᏛᢏሗ (NS2010-79), vol.110, no.240, pp.55-60,(25) ṇཎ❳ኴ, 㛗㇂ᕝ๛, ᮧ⏣ṇᖾ, ࣮͆࢜ࣂࣞ࢖⥙࡟࠾ࡅࡿィ ᩘ๐ῶᡭἲࡢᛶ⬟ホ౯,͇ ಙᏛᢏ

Oct. 2010.
(17) Dinh Tien Hoang, 㛗㇂ᕝ๛, ᮧ⏣ṇᖾ, ͆ィ⾪ሗ (NS2010-180), vol.110, no.449, pp.217-222, Mar.

✺ࢆ㍍ῶࡍࡿࡓࡵࡢศᩓᆺ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡィ ᡭἲ,͇ ಙᏛᢏሗ (CQ2010-57), vol.110,

2011.
(26) ௒ᇛ೺ኴ㑻, ㇂ཱྀ⩏᫂, 㛗㇂ᕝ๛, ୰㔝༤㝯,͆㝆Ỉ▷᫬㛫ணሗࡢࡓࡵࡢ࢜ࣉࢸ࢕࢝ࣝࣇ࣮ࣟ

no.287, pp.49-54, Nov. 2010.
(18) 㔜⸨㝯ᩥ㛗㇂ᕝ๛㇂ཱྀ⩏᫂୰㔝༤㝯࢔ࣝࢦࣜࢬ࣒,͇ ಙᏛᢏሗ (CQ2010-83), vol.110,

͆,(((Mࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࣀ࣮ࢻ

no.455, pp.93-98, Mar. 2011.

఩⨨ࡢㄪᩚ࡟ࡼࡿ㏻ಙᛶ⬟ࡢᨵၿ͇㟁Ꮚ᝟ሗ(27) ㇂ཱྀ⩏᫂, ⚄ᓮᫎග, ⱝᐑ┤⣖, ཎ㝯ᾈ, ͆ࢹ࣮㏻ಙᏛ఍➨ᅇ4R6࣮࣡ࢡࢩࣙࢵࣉண✏㞟ࢱ⿵㛫࡟ᇶ࡙ࡃ㏻ಙ㔞๐ῶᡭἲࢆ⤌ࡳ㎸ࢇࡔ㐍

4:3 1RY

⾜Ἴᆺࢭࣥࢧ᝟ሗ཰㞟ᡭἲ,͇ ᝟ሗฎ⌮Ꮫ఍◊(19) ᶫᮏ໷ྐ 㛗㇂ᕝ๛, ᮧ⏣ṇᖾ, ͆↓⥺LAN⎔ቃ✲ሗ࿌, vol.2011-DPS-146, no.39, pp.1-7, Mar.

࡟࠾ࡅࡿTCPࡢືసࢆ⪃៖ࡋࡓᾘ㈝㟁ຊࣔࢹࣝ2011.
(28) ኴ⏣⬟, ᪂⇃ு୍, 㛗㇂ᕝ๛, ▮ᏲᜤᏊ, ᮧ℩ຮ,ࡢᥦ᱌,͇ ಙᏛᢏሗ (NS2010-105), vol.110,

͆ࣃ࣮ࣞࢺ᭱㐺ࢿࢵࢺ࣮࣡ࢡไᚚᢏ⾡ࡢᐇ⌧࡟

no.339, pp.1-6, Dec. 2010.

ࡴࡅ࡚,͇ BS-5-1, 2011ᖺ㟁Ꮚ᝟ሗ㏻ಙᏛ఍⥲ྜ(20) すᑿ⌮ᚿ, ᪂⇃ு୍, 㧗ᶫ㐩㑻, 㛗㇂ᕝ๛,

኱఍ㅮ₇ㄽᩥ㞟, Mar. 2011.

Mandayam Narayan, ͆ືⓗ↓⥺࢔ࢡࢭࢫ⎔ቃࡢࡓࡵࡢᖏᇦ༠ㄪ฼⏝࣓࢝ࢽࢬ࣒,͇ ಙᏛᢏሗ(29) ᶫᮏ໷ྐ, 㛗㇂ᕝ๛, ᮧ⏣ṇᖾ, ͆↓⥺LAN⎔ቃ(MoMuC2010-83), vol.110, no.434, pp.27-32, Mar.

࡟࠾ࡅࡿࣂ࣮ࢫࢺ㌿㏦ࢆ฼⏝ࡋࡓTCPࣇ࣮ࣟࡢ

2011.

ᾘ㈝㟁ຊゎᯒ,͇ BS-5-7, 2011ᖺ㟁Ꮚ᝟ሗ㏻ಙᏛ(21) ஭ୖ୍ᡂ, 㜿ከಙ࿃, ኱㇂Ⴙᮁ, 㛗㇂ᕝ๛, ᒾᮏ఍⥲ྜ኱఍ㅮ₇ㄽᩥ㞟, Mar. 2011.

ஂ, ▮㔝♸஧, 㯮⏣Ὀᩯ, ሷ⏣ᾈඞ, ᮧ⏣ṇᖾ,͆┬㟁ຊ໬ࢆᐇ⌧ࡍࡿࢫࣛ࢖ࢫ໬࣮ࣝࢱ࢔࣮࢟

ࢸࢡࢳࣕ,͇ ಙᏛᢏሗ (NS2010-186), vol.110,㸫㸫ู◊✲ሗ࿌, Feb. 2011.

༤ኈㄽᩥ࣭ಟኈㄽᩥ࣭≉ู◊✲ሗ࿌༤ኈㄽᩥ
ヱᙜ࡞ࡋಟኈㄽᩥ
(30) Gyeongyeon Kang, “A study on parameter tuning of
protocol interference model considering SINR for
TDMA-based wireless mesh networks,” Master’s
Thesis, Graduate School of Information Science andTechnology, Osaka University, Feb. 2011.
(31) Shoichi Takemori, “Improving coverage performance for wireless networks based on geometric algorithms,” Master’s Thesis, Graduate School of Information Science and Technology, Osaka University,
Feb. 2011.
(32) Shimpei Tanaka, “Time slot assignment algorithms
to upstream links for decreasing transmission latency in IEEE 802.16j networks,” Master’s Thesis,
Graduate School of Information Science and Technology, Osaka University, Feb. 2011.
≉ู◊✲ሗ࿌(33) ௒ᇛ೺ኴ㑻, ͆㝆Ỉ㔞ࡢ▷᫬㛫ணሗࡢࡓࡵࡢ࢜
ࣉࢸ࢕࢝ࣝࣇ࣮ࣟ࢔ࣝࢦࣜࢬ࣒,͇ ኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗ⛉Ꮫ⛉≉ู◊✲ሗ࿌, Feb. 2011.
(34) ໭ᒣᬛஓ, ͆IEEE 802.16j࣮ࣜࣞࢿࢵࢺ࣮࣡ࢡ࡟
࠾ࡅࡿ㐺ᛂኚㄪ➢ྕ໬ࢆ⪃៖ࡋࡓࢱ࢖࣒ࢫࣟࢵ
ࢺ๭ࡾᙜ࡚ᡭἲ,͇ ኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗ⛉Ꮫ⛉≉ู◊✲ሗ࿌, Feb. 2011.
(35) 㩾㇂࿴ṇ, ࢚͆ࣥࢻ➃ᮎ㛫ࣃࢫୖࡢ」ᩘ⟠ᡤࡢ฼⏝ྍ⬟ᖏᇦࡢྠ᫬ィ ᡭἲ࡟㛵ࡍࡿ᳨୍ウ,͇኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗ⛉Ꮫ⛉≉ู◊✲ሗ࿌,Feb. 2011.
(36) ṇཎ❳ኴ, ࣮͆࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡୖࡢィ㈇Ⲵ๐ῶࡢࡓࡵࡢ✵㛫ⓗྜᡂᡭἲࡢᛶ⬟ホ౯,͇኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗ⛉Ꮫ⛉≉ู◊✲ሗ࿌,Feb. 2011.
(37) ㏻㜰⯟, ͆IEEE 802.11࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡
ࢡ࡟࠾ࡅࡿ┬㟁ຊᡭἲࡀࢿࢵࢺ࣮࣡ࢡᛶ⬟࡟୚࠼ࡿᙳ㡪,͇ ኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗ⛉Ꮫ⛉≉㸫㸫