電子航法研究所研究発表会（第 11 回平成 23 年６月）

2．実験用GBAS機上装置によるVDB受信試験૾ऊƔ‫ۺ‬൥ƔԘߏຬςǴ᰷஑छ௡ƒഇ୷ਉః҆ƒ஑୔०‫ڭ‬ƒᘠ஑֭ƒո‫ڀ‬՞ఃƒ‫ۑ‬஑९఺*Ƹ*ƕ‫ܙ ڇ‬୪‫ח؃ۺ֮୼ࣈ૾ڼ‬ƹ

ʎɷʠʊ

1.

DGPSƸDiﬀerential GPSƹਢΦʊ๸๑ɸʪլߛ֧຃ൊ९࣮൙ʱॲ२ɸʪƓʝɾƒˉˋ˘˲ʍԂৌ१ʱൃʃɾʠʊƒGBAS ʍϷ๑ʊ‫׊‬άʇʉʪε࣭ʍ٫ࡰʣ˼ˋˁʍକ‫ڄ‬ʉʈʍ࢈๽ʱ‫ۼ‬ɥํƧʉ˴˝ˑɫৠʞ‫ܦ‬ʝʫʅɣʪƓɲʫʨʍ˴˝ˑʊʧʪε࣭ડ٫ࡰʉʈʍ࣮൙ƒլߛ֧຃ൊ९࣮
൙ƒಞ‫˅ۼ‬ƪˋʍ࣮൙ʉʈʱഡɺʅൊֽ࣮൙ɫ
ॲ२ɴʫʪƓVDB ਏऊ೼ʆʎƒॲ२ɴʫɾൊֽ
࣮൙ʱ‫؃ۺ‬ՑʊൢਏɸʪƓGBAS ʆ๑ɣʪࡀఔ
ॐ੉ʎ 108.025MHz∼117.950MHz ʆƒഷ૦ൣ߲ʎ D8PSKƒືখɸʪ˓˵̅˟˽ʇʍࡀఔॐԨӊʎ 25kHz ʇʉʂʅɣʪƓʝɾƒGBAS ʆʎ 1 ʃʍࡀఔॐʆഉॐʍद௬˅ƪˋʱଥ֯ʆɬʪɾʠƒ
1 ߲ʍણࣣ਍પʆഉॐʍӞ਎໥ʗʍ੆жɫњఉʆɡʪƓ୕޶‫ۺ‬൥ٰ֖ࢊʆʎƒGBASƸGround-Based

Augmentation SysytemƖણࣣ‫ث‬Њ५‫ۺ‬൥ൊֽˉˋ˘˲ƹʍٰ֖ɩʧʒҟౙʱ‫ۼ‬ʂʅɩʩƒɲʫʝʆƒGBAS ʍՂච१ఉʍೆїʍɾʠʍࠄ‫ٽ‬๑਍પʱডੜ‫۩؃‬ʊঙપɶƒೆїࠄ‫ٽ‬ʱࠄ߀ɶʅɬɾƓɲʍٗѢƒद௬હຄʗʍ๸๑ʊ࡜ഒʉਢΦॴ୩ɫமʨʫʪɲʇɫߪɴʫʅɣʪ [1]ƓGBAS ʍࠄ‫ڇ‬ʊ‫ۈ‬ɰʅʍߣʍઞҠʇɶʅƒʧʩࠄ๑਍પʊ‫ׯ‬ɣƒ‫܊‬ɣऊ๪१ʱߡʂɾ GBAS ߒ‫ݴ‬਍પʱঙ‫ك‬Ɣҟౙɶƒ‫ݸ‬௻යʝʆʊԪॸ‫۩؃ݣܙ‬ʊঙપɶɾ
[2]ƓடߢʊƒGBAS Ցࣣ࠷ऊՑʊʃɣʅʡƒࠄ๑Ց‫ݦ‬ʇɶʅීԨ‫؃ۺ‬Ցʊ୻‫ݢ‬ɴʫʪ RockwellCollins ࠔʍ˰˽˓˴ƪ˛˾ˉƪˢƸGLU925ƹʱ஡௬ɶƒࠄ‫ٽ‬๑ GBAS Ցࣣ਍પʇɶʅஞ‫ݴ‬ɴɺʪʘɮƒʶ̅ˑ˧ʹʶˋʍҟౙʣˏ˧˚ʸʹʴʍҟౙஉʱ‫ۼ‬ʂʅɬɾƓච‫ۮ‬ʆʎƒʝɹƒҟౙɶɾࠄ‫ٽ‬๑ GBAS Ցࣣ਍પʊʃɣʅࡲʘƒච਍પʇ࡞๨ʧʩެ๑ɶʅɣɾՑࣣ࠷ऊ਍પʱ๑ɣʅࠄ߀ɶɾƒGBAS ߒ‫ݴ‬਍પʍ VDB ƸVHF Data BroadcastƖ VHF
˙ƪˑൢਏƹ࠷ऊߒ‫ٽ‬ʍٗѢʃɣʅࡲʘʪƓ

2.2Ցࣣˇ˨ˉˋ˘˲ʎƒVDB ࠷ऊՑƒGPS ࠷ऊՑƒ˙ƪˑ࢈๽೼ʉʈʆ‫ۥ‬२ɴʫƒણࣣɪʨൢ
ਏɴʫʪൊֽ࣮൙ʇՑࣣʆ࠷ऊɶɾ GPS ऊ܎ʱՂʊ‫؃ۺ‬ՑʍΦપʱ DGPS ਢΦʊʧʩ֑ʠƒடߢʊൊֽ࣮൙ʊ԰ʝʫʪऊ๪१ʊԪɸʪ࣮൙ɪʨƒɼʍਢΦٗѢɫอ‫ۄ‬ʆɡʪɪಇɪʱ౧છɸʪƓอ‫ۄ‬ʆɡʪ࣪܏ʎƒূ੨ɶɾಞ‫˅ۼ‬ƪˋɪણࣣ‫ث‬Њ५‫ۺ‬൥ൊֽˉˋ˘˲2.

ʨʍശΦʱ‫ࡰޟ‬ɶࡰອɸʪƓɲʍʧɥʊƒGBASGBAS ʎƒՂࢀ‫ח‬ƔҺ࠱˴˝ˑƔൊֽ࣮൙ॲ२࢈๽೼ƔVDB ਏऊ೼ɪʨʉʪણࣣˇ˨ˉˋ˘˲ƒɩʧʒ‫؃ۺ‬ՑʍਢΦƔึ஡ʱ‫ۼ‬ɥՑࣣˇ˨ˉˋ˘˲ʆ‫ۥ‬२ɴʫʪƓGPS உʍ GNSSƸGlobal
Navigation Satellite Systemƹʱ๑ɣɾ‫؃ۺ‬Ցʍહຄˉˋ˘˲ʆɡʩƒGLSƸGNSS LandingSystemƹʇʡ‫ڐ‬ʏʫʪƓ
2.1ʆʎ࠷ऊɶɾ࣮൙ʣਢΦٗѢʍอ‫ۄ‬१ʍ౧છʱՑࣣ਍પਜʆ‫ۼ‬ɥɾʠƒऊ๪१ʍ‫܊‬ɣൊֽ࣮൙ʍॲ२ɫࡥ๗ʇʉʪƓણࣣˇ˨ˉˋ˘˲ણࣣˇ˨ˉˋ˘˲ʎՂࢀ‫ח‬ƔҺ࠱˴˝ˑƔൊֽ࣮൙ॲ२࢈๽೼ƔVDB ਏऊ೼ʆ‫ۥ‬२ɴʫʪƓՂࢀ‫ח‬ʎ 4 ߲ʍ GPS ࠷ऊ਍પɪʨʉʩƒҺ࠷Ցࣣˇ˨ˉˋ˘˲

GBAS ʆʎ 1 ʃʍࡀఔॐʊ੆ɶഉॐʍद௬˅ƪˋɫӘʩஆʅʨʫʪɾʠƒࡀఔॐʇद௬˅ƪˋƸRPDSƖReference Path Data Selectorƹɪʨٔଜɴʫʪ 5 ّʍ४ॐƸ˓˵̅˟˽ƹʊʧʩƒࡀఔॐʇ˅ƪˋʱূ੨ɸʪƓGBAS ʊӘʩஆʅʨʫʅɣʪ˓˵̅˟˽ʍ౹Ωʎ 20001∼39999 ʇɴʫƒࡀఔॐƸF [MHz]ƹ
ƒद௬˅ƪˋƸRƹʇ˓˵̅˟˽ƸN ƹʍԪ‫ؤ‬ʎߣʍʇɩʩʆɡʪƓԖֻђʇʉʪʧɥʊ 100m ପ୩ʍԨӊʱҟɰʅ

F = 108 + ((N − 20000) mod 411) × 0.025
R = (N − 20000) div 411

ঙપɸʪɲʇʆƒՂࢀ‫ח‬Ԩʍஶງ१ʱ‫܊‬ʠʪʇ

ແɧʏ GBAS ߒ‫ݴ‬਍પʍࡀఔॐʇ˓˵̅˟˽ಀऊ਍પʍ GPS ʴ̅˘˜ʱஶງɶɾ˰˽˓ˣˋʇʡʊࣧ૫१ʱʡɾɺʅɣʪƓൊֽ࣮൙ॲ२࢈

܎ʎ೅ 1 ʍʧɥʊʉʂʅɣʪƓɲʍʧɥʊƒட๽೼ʆʎƒՂࢀ‫ח‬ʆࠪமɶɾЊ५ʍਢଜડʧʩɷࡀఔॐʱߡʃ˓˵̅˟˽ʱ 411 ඬʇɸʪɲʇ－ 11 －

電子航法研究所研究発表会（第 11 回平成 23 年６月）

೅ 1: GBAS ߒ‫ݴ‬਍પʍࡀఔॐʇ˓˵̅˟˽ಀ܎ࡀఔॐƒਏऊՑࡰອ߳ല೬܎ƸGBAS IDƹ˓˵̅˟˽ಀ܎
06R (RPDS=0)24L (RPDS=1)
06L (RPDS=2)
24R (RPDS=3)

114.050MHzƒ80W
ENKX
20242
20653
21064
21475

ऺ 2: VHF ʴ̅˘˜Ƹܾƹʇ GPS ʴ̅˘˜ƸϞƹGPS
VHF
Multi-Mode Receiver

CDI
DC
CSDB

ARINC429

GLU925

ऺ 3: ࠄ‫ٽ‬๑‫ك‬ՁƒCDIƸܾƹʇ DME ೅ߪՁƸϞƹ
data display

LCDPC

DMEindicator

SSD/CF
data loggerऺ 1: ࠄ‫ٽ‬๑Ցࣣ਍પ˨˿˕ˁऺʆƒࢭʉɮʇʡ 5 ّʍɥʀ 2 ّʍॐߞɫεʉʪડʇʉʩƒєʊ˓˵̅˟˽ʍ௬ອ˱ˋɫɡʂɾऺ 4: Ѿ෮೅ߪແƸʼƪ˥˕˚ಞ‫ߢۼ‬ƹʇɶʅʡƒ‫ڷ‬ʂɾ˅ƪˋɫূ੨ɴʫʉɣʧɥʊ˙ƪˑʍ՝໻ɩʧʒѾ෮ʗʍ೅ߪʱ‫ۼ‬ɥɾʠʍʉʂʅɣʪ [3]Ɠ3.

ˏ˧˚ʸʹʴʱ‫ݴ‬२ɶƒGPS Њ५ʍൊਣࣳ‫ׅ‬ʣࠄ‫ٽ‬๑ GBAS Ցࣣ਍પࠄ‫ٽ‬๑ GBAS Ցࣣ਍પʍ˨˿˕ˁऺʱऺ 1 ʊߪɸƓGLU925 ʍॣ‫ڰ‬ƒ˙ƪˑࠪமƔ՝໻Ɣ೅ߪƒࠄ‫ٽ‬๑‫ك‬Ձʗʍࡰອʱ PC ɪʨ‫ۼ‬ɧʪʧɥʊɶƒՑࣣʊɩɰʪऒஞஉʣՔΏഷѓʍϾ‫׏‬ʱ۵ຖɶƒˉ˼˅̅˙ʵˁˋʇ˅̅ˣˁ˚˧˻˕ˉ˷ʱ‫ݔ‬๑ɶɾƓ˰˽˓˴ƪ˛˾ˉƪˢʍહຄˉˋ˘˲˴ƪ˛ʍഷۡஉʍॣ‫ڰ‬ʣҺࡰອ˙ƪˑʍࠪமʎ ARINC429 ௬ࡰອˢˋʱ๑ɣʅ‫ۼ‬ɥƓ

GLU925 ʊʎƒ7 ࠱຾ 12 ‫ڎ‬ʍ௬ອˢˋʇ 5 ࠱຾8 ‫ڎ‬ʍࡰອˢˋƒ16 ‫ڎ‬ʍ˙ʵˋˁ˼ƪ˚௬ອƒ
2 ʃʍ˙ʵˋˁ˼ƪ˚ࡰອɫɡʩƒɲʫʨৌʅ
ʍ௬ࡰອʊ੆жњఉʇʉʪʧɥʉ ARINC429 ʶ̅ˑ˧ʹʶˋˮƪ˛ʱূଜɶɾƓʝɾƒGPS ऊ܎ɩʧʒ VDB ऊ܎ʱ࠷ऊɸʪɾʠƒऺ 2 ʊߪ
ɸ GPS ʴ̅˘˜ɩʧʒ VHF ʴ̅˘˜ʱ˰˽˓˴ƪ˛˾ˉƪˢʊখ਩ɶɾƓɴʨʊƒ˅ƪˋശΦʇӞ਎໥ઐʝʆʍ֧຃ʱऺ 3 ʊߪɸࠄ‫ٽ‬๑ʍCDIƸCourse Deviation Indicatorƹɩʧʒࠄ‫ٽ‬๑ʍ DME ೅ߪՁʊ೅ߪɸʪɾʠƒD/A ഷԋˮƪ˛ɩʧʒ RS-422A ˯ƪ˚ʱ҆ɶɼʫɽʫʍ‫ك‬Ձʇ PC ɫখ਩ɴʫʅɣʪƓʝɾƒGLU925ƒCDIƒDME ೅ߪՁʍॣ‫ڰ‬ʣ

－ 12 －VDB ऊ܎ʍ࠷ऊࣳ‫ׅ‬ƒӞ਎໥࣮൙ƒ˅ƪˋശΦƒಞ‫ۺۼ‬঑ƒ˰˽˓˴ƪ˛˾ˉƪˢʍஞ‫ׅࣳݴ‬ʉʈʍ࣮൙ʱ԰ʟ ARINC429 Label[4, 5, 6, 7] ʱ˼ʴ˽ˑʶ˲ʆ˙˅ƪ˛ɶƒऺ 4 ʊߪɸʧɥʉѾ෮೅ߪʱɸʪɲʇʆƒࠄ‫઺ٽ‬ʊஞ‫ׅࣳݴ‬உʱӂ௳ࡰ๨ʪʧɥʊʉʂʅɣʪƓφൣƒ˅ƪˋശΦʍ˅˕ˁ˦˕˚ʗʍ೅ߪʊʃɣʅʎƒCDI ʊ੆ɶƒ૰ຌ୕ຌʱࡰອɸʪ಴๗ɫɡʪʍʆƒ˅ƪˋശΦʍ DDM ડƸLabel 173ƒ174ƹʱ୕ຌડʊԋ‫ޟ‬ɶƒD/A ഷԋˮƪ˛ʱ҆ɶ CDI ʊࡰອɸʪʧɥʊɶɾƓʝɾƒӞ਎໥ઐʝʆʍ֧຃ʍ೅ߪʊʃɣʅʎƒDME ೅ߪՁʊ CSDBƸCommercial
Standard Digital Busƹ˧ʻƪ˰˕˚ [8] ʆࡰອɸʪ಴๗ɫɡʩƒLTP/FTP ʝʆʍ֧຃ƸLabel177ƹʱ CSDB ˧ʻƪ˰˕˚ʊഷԋɶƒRS-422A˯ƪ˚ʱ҆ɶࡰອɸʪʧɥʊɶɾƓ4.

VDB ࠷ऊߒ‫ٽ‬

4.1ણࣣ਎‫ٽߒۼ‬

GBAS ೆї਍પʇ GLU925 ʍʶ̅ˑ˧ʹʶˋӂ௳ɩʧʒӞ਎໥ࣣʆʍ VDB ऊ܎ֽ୩૦݀ʱ෾଺ʇɶƒԪॸ‫۩؃‬ʍӞ਎໥ࣣʊɩɣʅƒ࠘ຜ਎‫ٽߒۼ‬ʱ 2011 ௻ 1 ٚ 31 ௪ɩʧʒ 2 ٚ 1 ௪ʍญ電子航法研究所研究発表会（第 11 回平成 23 年６月）

GPS Ant
VHF Antऺ 5: ࠄ‫ٽ‬๑࠘ຜ
-30

Reciver Input [dBm]-35

12ft8ft-40-45-50-55-60-65-70-3500 -3000 -2500 -2000 -1500 -1000 -500
Distance from R/W threshold [m]ऺ 8: ࠄ‫ٽ‬๑ GBAS Ցࣣ਍પ0ऺ 6: A Ӟ਎໥ࣣʆʍ࠷ऊऊ܎ֽ୩
-30

Reciver Input [dBm]

-35

12ft
8ft

-40-45

ऺ 9: ࠄ‫ٽ‬๑‫؃ۺ‬Ց Beechcraft B99 Airliner-50-55-60ˋ‫۩؃‬ʇɶƒGBAS ߒ‫ݴ‬਍પɫঙપɴʫʅɣʪ-65Ԫॸ‫ࡀ۩؃‬഻‫؃‬ςʊɩɣʅಞ‫ۼ‬ʱ‫ۼ‬ɣƒ࠷ऊऊ

-70-4000 -3500 -3000 -2500 -2000 -1500 -1000 -500
Distance from R/W threshold [m]ऺ 7: B Ӟ਎໥ࣣʆʍ࠷ऊऊ܎ֽ୩
Ԩʊࠄ߀ɶɾƓࠄ‫ٽ‬๑࠘ຜƸऺ 5ƹʊ VHF ʴ̅˘˜ʇ GPS ʴ̅˘˜ʱࠪʩೝɰƒણࣣ‫܊‬ต 8ft
ɩʧʒ 12ft ʆʍ࠷ऊऊ܎ֽ୩ʱਢଜɶɾƓ A Ӟ਎໥ࣣʆʍऊ܎ֽ୩ֽ୩ʱऺ 6 ʊ B Ӟ਎໥ࣣʆʍ࠷ऊऊ܎ֽ୩ʱऺ 7 ʊߪɸƓA Ӟ਎໥ࣣʆ٦
ഐʍ౩ࠏʊʧʪϾ‫׏‬ʇ‫ٵ‬ʨʫʪֽ୩ഷஞɫʞʨ
ʫɾʡʍʍƒ࡜ഒʉऊ܎ֽ୩ɫமʨʫʪɲʇɫ
ӂ௳ʆɬɾƓ

4.2

܎ֽ୩ʍࠪமʍɾʠʊ࡞๨ʍՑࣣ࠷ऊ਍પʡட

0ಞ‫ۼ‬ೆїߒ‫ٽ‬ࠄ‫ٽ‬๑ GBAS Ցࣣ਍પƸऺ 8ƹʍࠄ‫ٽ‬๑‫؃ۺ‬ՑƸऺ 9ƹʗʍ୻‫ݢ‬ʱ‫ۼ‬ɣƒࠄ‫ٽ‬๑Ցࣣ਍પʍஞ‫ݴ‬٫ࣘƒVDB ʍഊςʍӂ௳ʱࠩʉ෾଺ʇɶƒ2011௻ 2 ٚ 8 ௪ ∼2 ٚ 10 ௪ɩʧʒ 3 ٚ 2 ௪ʊಞ‫ࠄۼ‬‫ٽ‬ʱࠄ߀ɶɾƓɣɹʫʍࠄ‫ٽ‬ʡ‫۩؃ࢼ܊‬ʱ˫ƪߢʊ୻‫ݢ‬ɶɾƓ

2 ٚ 8 ௪ʊࠄ߀ɶɾ‫܊‬୩ 5000ftƒ౨‫ خ‬20NMƸԪॸ VOR ʱ઺ऐƹʍʼƪ˥˕˚ಞ‫ߢۼ‬ʊࠄ‫ٽ‬๑ GBAS Ցࣣ਍પʆࠪமɶɾಞ‫ۺۼ‬঑ʱऺ 10ʊߪɸƓऺ઺ƒਸ਼সʆߪɶʅɣʪʍɫಞ‫ۺۼ‬঑ʆƒ‫ۺ‬঑ࣣʍ ‘Ǳ’ ʍ˩˿˕˚ʎѕɪʨʍ๽ำʆൊ
९࣮൙ʊʧʪ DGPS ਢΦɫ‫ۼ‬ʮʫʉɪʂɾણ୐ʱߪɶʅɣʪƓʼƪ˥˕˚ಞ‫ۼ‬ʍҤਜʍ ‘Ǳ’ ʍ೅ߪʊʃɣʅʎƒGBAS ߒ‫ݴ‬਍પʊɩɣʅˇƪ˥ˋʺ˼ʴઐʝʆʍ֧຃ƸDmax ડƹɫƒ23NMʊঙଜɴʫʅɩʩƒɼʍҤਜʆʎ VDB ऊ܎ʱ࠷ऊɶʅʡ๸๑ɴʫʉɣɾʠƒGBAS ൊ९ɫ‫ۼ‬ʮʫʉɣɾʠʆɡʪƓऺ 11 ʊʼƪ˥˕˚ಞ‫ߢۼ‬ʍ࠷ऊऊ܎ֽ୩ʱߪɸƓ0 ୩ൣ‫ۈ‬Ƹඐƹɪʨॸਜʊɪɰʅ࠷ऊऊ܎ֽ୩ɫ๮ʀ‫ܦ‬ʞɫ‫ٵ‬ʨʫƒɲʫɫ‫ڀ‬ϒʇ޻ʮʫʪ˥˕˚‫ڷ‬ʩɫౙॲɶƒDGPSਢΦɫ‫ۼ‬ʮʫʉɪʂɾѫࢊɫ 2 ୐ӂ௳ɴʫɾƓ－ 13 －電子航法研究所研究発表会（第 11 回平成 23 年６月）

35.2

-50

orbit 5000ft 20NM
Uncorrected
TakamatsuKIX

Receiver Input [dBm]35

Rx inbit error
Uncorrected-6034.834.6
34.4-70-80-90-100

34.2-110034134

134.5

135

10000

135.5

ऺ 10: ʼƪ˥˕˚ಞ‫ۼ‬20000 30000 40000 50000
Distance from Tx ant [m]60000ऺ 13: ࠷ऊऊ܎ֽ୩Ƹ5000ft ˾˫˽ಞ‫ۼ‬ƹƸ‫܊‬୩ 5000ftƒ౨‫ خ‬20NMƹແʱߪɶɾƓ
-50-60Receiver Input [dBm]ஆࢉ฽ଜɶʅɣɾʴ˩˿ƪ˓ಞ‫ۼ‬ʎࠄ߀ࡰ๨

Rx inbit error
Uncorrectedʉɪʂɾɫƒɲʫʝʆʍણࣣ਎‫ۼ‬ɩʧʒಞ‫ߒۼ‬-70‫ٽ‬ʊʧʩ˩˿˚ˑʶ˩ GBAS ʇ GLU925 ʇʍʶ-80̅ˑ˧ʹʶˋӂ௳ɩʧʒࠄ‫ٽ‬๑Ցࣣ਍પʍஞ‫ݴ‬ɫӂ௳ʆɬɾƓ-90ʼƪ˥˕˚ಞ‫ۼ‬ʊɩɣʅ VDB ਏऊʴ̅˘˜-100ʊືখɸʪୄ୳ʍϾ‫׏‬ʇ‫ٵ‬ʨʫʪ࠷ऊऊ܎ֽ୩

-110-50050100150200

ʍକђɫӂ௳ɴʫɾɫƒɲʍ҈ٔ‫ݼ‬ʇɶʅƒਏऊ

250

Azi. [deg] (N=0, E=90)ʴ̅˘˜ʱૻљɶƒˋ˿˕˚ඬʊਏऊʴ̅˘˜ऺ 11: ࠷ऊऊ܎ֽ୩ʇൣΦʱঔ੎ɧʉɫʨਏऊʱ‫ۼ‬ɥൣ൥உʱ۵ɧʅɣʪƓʝɾƒ‫҉ܩ‬ʍಞ‫ٽࠄۼ‬ʊɩɣʅƒࠄ‫ٽ‬๑Ցࣣ਍પʍՂච଺ʉஞ‫ݴ‬ʍӂ௳ɫࡰ๨ɾʍʆƒPC ࣣʍˏ˧˚ʸʹʴʍҔວʊʧʪࠄ‫ٽ‬๑Ցࣣ਍પʍ‫ט‬সद௬ʗʍ੆жʡ‫ۼ‬ɥ฽ଜʆɡʪƓ‫ޖ‬۵ഞ‫ٯ‬[1] ᰷஑छ௡ƒഇ୷ਉః҆ƒո‫ڀ‬՞ఃƒ஑π૰࠻ƒ“ણࣣൊֽ‫ث‬Њ५‫ۺ‬൥ˉˋ˘˲ʍಞ‫ٽࠄۼ‬ʊʧʪ१ఉೆїƒ” ऊӌ໼ BƒVol. J87-B, No.4, pp.555-562,Apr. 2004.
[2] ഇ୷ਉః҆ƒ᰷஑छ௡ƒո‫ڀ‬՞ఃƒᘠ஑֭ƒ஑୔०‫ڭ‬ƒ‫ۑ‬஑९఺ƒ“GBAS ʍ੝՜෱‫۩؃‬ʗʍঙપʊԪɸʪφ٫ஒƒ” ਫ਼ 11 ҉୕޶‫ۺ‬൥ٰ֖ࢊٰ֖ౙ೅҇‫۾‬Сҩ๗ƒJun. 2011.
[3] “Minimum Operational Performance Standards for GPS Local Area Augmentation System Airborne equipment,” Technical Report
DO-253A, RTCA, Nov. 2001.
[4] “MARK33 Digital Information Transfer System (DITS) PART 1,” ARINC speciﬁcation
429 PART 1-17, ARINC, May 2004.
[5] “MARK33 Digital Information Transfer System (DITS) PART 2,” ARINC speciﬁcation
429 PART 2-16, ARINC, Dec. 2004.
[6] “Multi-Mode Receiver (MMR) - Digital ,” ARINC characteristic 755-3, ARINC, Feb. 2005.
[7] “GNSS Sensor ,” ARINC characteristic 743A4, ARINC, Dec. 2001.
[8] “Commercial Standard Digital Bus (CSDB),”
9th Edition, GAAA, Jan. 1998.

ऺ 12: VDB ਏऊʴ̅˘˜ʊືখɸʪୄ୳VDB ਏऊʴ̅˘˜ʍඐਜʊືখɸʪ˾ƪ˒ƪୄ୳Ƹऺ 12ƹʍϾ‫׏‬ʆ୕Қֽ୩ʍକђɫɡʂɾɾʠʇ۵ɧʨʫʪƓ2 ٚ 10 ௪ʊࠄ߀ɶɾ‫܊‬୩ 5000ftƒൣΦ 238 ୩ƸԪॸ VORƹʍ˾˫˽ಞ‫ߢۼ‬ʊࠄ‫ٽ‬๑ GBAS Ցࣣ਍પɩʧʒ࡞๨ʍՑࣣ਍પʆࠪமɶɾ࠷ऊऊ
܎ֽ୩ɩʧʒ˥˕˚‫ڷ‬ʩஉʱऺ 13 ʊߪɸƓɲʍ˾˫˽ಞ‫ۼ‬ʊɩɣʅʎƒ࡜ഒʉ࠷ऊՑ௬ອɫɡ
ʩ Dmax ʧʩௐਜʊɩɣʅ DGPS ਢΦɫ‫ۼ‬ʮʫʉɣѫࢊʎӂ௳ɴʫʉɪʂɾƓ
5.

ɩʮʩʊࠄ‫ٽ‬๑ GBAS Ցࣣ਍પʊʃɣʅ࣐҆ɶƒણࣣ਎‫ٽߒۼ‬ʇʼƪ˥˕˚ಞ‫ۼ‬ɩʧʒ˾˫˽ಞ‫ۼ‬ʍ

－ 14 －