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8J'J355ʹΑΔଌҐΞϓϦ
Λ࡞Ζ͏
!OBQQMFDPNQVUFS
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ࣗݾհ
• ͳͬͽʔ
• !OBQQMFDPNQVUFS
• גࣜձࣾσΟʔɾΤψɾΤʔॴଐ
• .07ͷϢʔβʔΞϓϦ։ൃ
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࣍
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͖͔͚ͬ
8J'J355ͷ༷
࡞ͬͯΈͨ
ਫ਼Λ্͛ΔͨΊͷΞΠσΟΞ
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͖͔͚ͬ
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)PXUPHFUPOFNFUFSMPDBUJPOBDDVSBDZ
GSPN"OESPJEEFWJDFT (PPHMF*0`
IUUQTZPVUVCFWZX(H4S(0%6
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8J'J355ͷ༷
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"OESPJEͷҐஔใऔಘํ๏
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'VTFE-PDBUJPO
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'VTFE-PDBUJPOͳ͠
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ΞϓϦ
ηϯαʔ"
ΞϓϦ
ηϯαʔ$
ηϯαʔ#
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'VTFE-PDBUJPO͋Γ
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ΞϓϦ
ηϯαʔ"
ΞϓϦ
ηϯαʔ$
ηϯαʔ#
(PPHMF1MBZ
4FSWJDFT
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'VTFE-PDBUJPO
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(14
8J'J
344*
ΩϟϦΞجہ
ਫ਼ ϝʔτϧ ϝʔτϧ ϝʔτϧʁ
! " "
ҐஔଌҐ༻ " ! ʁ
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'VTFE-PDBUJPO
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(14
8J'J
344*
ΩϟϦΞجہ
8J'J
355
ਫ਼ ϝʔτϧ ϝʔτϧ ϝʔτϧʁ ϝʔτϧ
! " " "
ҐஔଌҐ༻ " ! ʁ "
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'VTFE-PDBUJPO
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(14
8J'J
344*
ΩϟϦΞجہ
8J'J
355
ਫ਼ ϝʔτϧ ϝʔτϧ ϝʔτϧʁ ϝʔτϧ
! " " "
ҐஔଌҐ༻ " ! ʁ "
/&8
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8J'J355ͷ༷
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8J'J355
• 3553PVOE5SJQ5JNFͷུ
• *&&&NDͰఆٛ
• *&&&NDʹରԠ͍ͯ͠ΔΞΫηεϙΠϯτͱɺ
*&&&NDʹରԠ͍ͯ͠Δ͕ඞཁ
• ௨৴͔࣌ؒΒڑΛܭଌ͢Δ
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ڑܭଌ
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ΞΫηεϙΠϯτ
ڑτʔλϧ࣌ؒʷޫͷ͞ D
̎
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ڑܭଌͬͱৄ͘͠
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ΞΫηεϙΠϯτ
'5.3FRVFTU
'5.
U
U
"$,
U
U
U
U
ڑ UU
UU
ʷޫͷ͞ D
࣌ؒ
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ͷҐஔΛܭࢉ͢Δ
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ͷҐஔΛࢉग़͢Δ
• 355ͰऔΕΔͷΞΫηεϙΠϯτ·Ͱͷڑ͚ͩ
• ͷҐஔใͷࢉग़355ͷൣғ֎
• ࣗͰܭࢉ͢Δ
• ΞΫηεϙΠϯτͷҐஔใ355ͷൣғ֎
• ΞΫηεϙΠϯτ͕ͭ͋ΕҐஔͷಛఆ͕Մೳ
• ਫ਼Λग़͢ͳΒͭ΄͍͠
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ΞΫηεϙΠϯτ͕ͭͷ߹
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ΞΫηεϙΠϯτ͕ͭͷ߹
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ΞΫηεϙΠϯτ͕ͭͷ߹
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࣮ࡍʹᘳͳ
औಘͰ͖ͳ͍
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ݱ࣮
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(PPHMF*0Ͱհ͞Ε͍ͯͨํ๏
• ࣍ݩަ࠲ඪʹͱΞΫηεϙΠϯτΛஔ͘
• ϐλΰϥεͷఆཧΛͬͯํఔࣜͰදݱ͢Δ
• ͭͷ࣍ํఔࣜΛͭͷ࿈ཱํఔࣜʹͯ͠ղ͘
• ͭͷ࣍ํఔࣜʹͳΔ
• ͭͷ࣍ํఔࣜͷͰଟ֯ܗΛ࡞Γɺͦͷଟ֯ܗͷ
த৺ΛͷҐஔͱ͢Δ
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࣍ݩަ࠲ඪʹͱΞΫηεϙΠϯτΛஔ͘
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x1
y1
r1
x, y
(x − x1
)2 + (y − y1
)2 = r2
1
ϐλΰϥεͷఆཧΛͬͯํఔࣜͰදݱ͢Δ
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ϐλΰϥεͷఆཧΛͬͯํఔࣜͰදݱ͢Δ
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(x − x1
)2 + (y − y1
)2 = r2
1
(x − x3
)2 + (y − y3
)2 = r2
3
(x − x2
)2 + (y − y2
)2 = r2
2
(x − x4
)2 + (y − y4
)2 = r2
4
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࣍ํఔࣜΛඳը͢Δ
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(x − x1
)2 + (y − y1
)2 = r2
1
(x − x3
)2 + (y − y3
)2 = r2
3
(x − x2
)2 + (y − y2
)2 = r2
2
(x − x4
)2 + (y − y4
)2 = r2
4
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ଟ֯ܗͷਅΜதΛͷॴͱ͢Δ
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(x − x1
)2 + (y − y1
)2 = r2
1
(x − x3
)2 + (y − y3
)2 = r2
3
(x − x2
)2 + (y − y2
)2 = r2
2
(x − x4
)2 + (y − y4
)2 = r2
4
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"OESPJEͷ8J'J355"1*
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"OESPJEͰͷ8J'J355
• 04ͱͯ͠"OESPJE "1*-FWFM
͔ΒରԠ
• ͱͯ͠1JYFM 9-ؚΉ
͕ରԠ͍ͯ͠Δ
• *0Ͱ1JYFMTͱݴͬͯͨͷͰ1JYFM1JYFMର
Ԡͯ͠Δ͔
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ಛ
• ΞΫηεϙΠϯτʹ8J'Jͱͯ͠ଓ͠ͳͯ͑͘Δ
• ଞͷΞΫηεϙΠϯτʹ8J'Jͱͯ͠ଓதͰ͑Δ
• ̍ͷ"1*ͷ࣮ߦͰ'5.Λෳճ͛ͯɺฏۉɺඪ४
ภࠩΤϥʔΛฦͯ͘͠ΕΔ
• كʹϚΠφεͷڑ͕ฦͬͯ͘Δʜ
• ߴස NT͘Β͍ʣͰ͏ͱࢮ͵
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Δ͜ͱ
• 8J'JΞΫηεϙΠϯτΛεΩϟϯ͢Δ
• εΩϟϯͯ͠ಘΒΕͨΞΫηεϙΠϯτͷதʹ8J'J
355ରԠ͍ͯ͠ΔΞΫηεϙΠϯτ͕͋Δ͔֬ೝ͢Δ
• 8J'J355ରԠΞΫηεϙΠϯτͱ8J'J355ͷ
ΓͱΓΛͯ݁͠ՌΛಘΔ
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ඞཁͳ1FSNJTTJPO
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8J'JΞΫηεϙΠϯτΛεΩϟϯ
val receiver = object: BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent) {
when(intent.action) {
WifiManager.SCAN_RESULTS_AVAILABLE_ACTION -> {
// Wi-FiͷεΩϟϯ͕ྃͨ͠
}
}
}
}
val filter =
IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)
registerReceiver(receiver, filter)
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8J'JΞΫηεϙΠϯτΛεΩϟϯ
val wifiManager =
getSystemService(Context.WIFI_SERVICE) as WifiManager
wifiManager.startScan()
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8J'JΞΫηεϙΠϯτΛεΩϟϯ
val scanResults =
wifiManager.scanResults.filter { it.is80211mcResponder }
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ΞΫηεϙΠϯτ·ͰͷڑΛऔಘ
val rangingRequest = RangingRequest.Builder()
.addAccessPoints(scanResults)
.build()
val rttManager =
getSystemService(Context.WIFI_RTT_RANGING_SERVICE) as WifiRttManager
val resultCallback = object : RangingResultCallback() {
override fun onRangingResults(results: MutableList) {
val ragingResults =
results.filter { it.status == STATUS_SUCCESS }
}
override fun onRangingFailure(code: Int) {
}
}
rttManager.startRanging(rangingRequest, executor, resultCallback)
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TUBSU4DBOͷ༷มߋ
• 8JGJ.BOBHFSTUBSU4DBO
͕"1*-FWFM͔
Β৭ʑมߋ
• ಥવͷEFQSFDBUFE
• ͔͠ସखஈࠓͷͱ͜Ζͳͦ͞͏
• όοΫάϥϯυΞϓϦͰʹճ͔͠ݺͳ͍
• ϑΥΞάϥϯυΞϓϦͰʹճ͔͠ݺͳ͍
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8J'J"XBSFʹΑΔ355
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8J'J"XBSFʹΑΔ355
• 8J'J"XBSFΛ͏ͱ"OESPJEಉ࢜Ͱ355Λ
ߦ͑Δ
• "1*-FWFM͔Β
• 8J'J"XBSF͢Ε͕͍ͪ௨৴ͷΑ͏ͳػೳΛ࣮ݱ
Ͱ͖Δ
• 8J'J"XBSFͰଓޙɺ355༻ͷϝιουΛݺͿ
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࡞ͬͯΈͨ
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࡞ΔࡍʹΔ͜ͱ
• ΞΫηεϙΠϯτͷબఆ
• ॴͷબఆ
• ਤͷೖख
• ΞΫηεϙΠϯτͷઃஔ
• ΞΫηεϙΠϯτͷҢܦͷऔಘ
• ΞϓϦͷ࡞
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ΞΫηεϙΠϯτͷબఆ
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ΞΫηεϙΠϯτͷબఆ
• *&&&NDʹରԠͨ͠8J'JΞΫηεϙΠϯτ
• 8J'J"XBSF
• ͭ·Γ1JYFM
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*&&&NDରԠΛ
ᨳ͍ͬͯΔΞΫηεϙΠϯτ
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ແ͍
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ແ͍
˞ͳͬͽʔௐ
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(PPHMF8J'J
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(PPHMF8J'J
• (PPHMF*0Ͱ(PPHMF8J'J͕XJMMTPPO
ͰରԠ͢Δͱݴ͍ͬͯͨ
• (PPHMF8J'JͷϦϦʔεϊʔτΛҎ্ࢹ͠ଓ͚
͕ͨ*&&&NDͷ͜ͱҰॻ͔Ε͍ͯͳ͍
• XJMMTPPOͱԿͩͬͨͷ͔
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(PPHMF8J'J
• %SPJE,BJHJͷొஃܾ·ͬͨͷͰɺ(PPHMF8J'J
͕͍ͭߋ৽͞Ε͍͍ͯΑ͏ʹങ݄ͬͯʹηοςΟϯ
άͨ͠
• ՈͰ8J'J355ͷ"OESPJE"1*Λࢼͨ͠Β8J'J
355ରԠ͍ͯ͠ΔΞΫηεϙΠϯτ͕ݟ͔ͭͬͨ
• (PPHMF8J'J͕͠ΕͬͱରԠ͍ͯͨ͠
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(PPHMF8J'J
• ରԠ͍ͯ͠Δͷͷ(PPHMF 8J'Jͷઃఆ߲ʹ8J'J
355ͳ͍
• (PPHMF*0Ͱ8J'J355σϑΥϧτͰΦϯͱݴͬ
͍͕ͯͨΦϑʹͰ͖ͳ͍
• օ͞Μ͕͓͍ͷ(PPHMF8J'J'5.SFRVFTUΛ
ૹΔͱ'5.ฦͯ͘͠Ε·͢
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ॴͷબఆ
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ॴͷબఆ
• ී௨ܭଌ͍ͨ͠ॴ͕͋Δͱ͜Ζ͔Β࢝·ΔͷͰ
ॴ͕ܾ·ͬͨঢ়ଶͰ࢝·Δʢͣʣ
• ࠓճܭଌ͢Δ͜ͱ͕తͳͷͰɺॴͷબఆ͕ඞཁ
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ॴͷ݅
• ͍ॴ
• ڱ͍ॴਫ਼తʹແཧ
• ݐͷେ͖͕͞ਖ਼֬ͳਤ͕͋Δ
• ݐͷҢܦΛʢϝδϟʔͰଌΔͳͲͷํ๏Ͱʣ
Δ͜ͱ͕Ͱ͖Δ
• ΞΫηεϙΠϯτͷҢܦʹਖ਼֬ͳ͕ඞཁ
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ࠓճͷॴ
• ࠓճࣗͷՈʹͨ͠
• ͋ͱ͔ΒݟΔͱ͜Εࣦഊ
• ڱ͍
• σϞಈըͰΞϓϦͷը໘ͱॴΛऩΊ͔͕ͨͬͨɺ
ՈͷதΛ%SPJE,BJHJͰࡽ͢༐ؾͳ͔ͬͨ
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ਤͷೖख
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ਤͷೖख
• ϢʔβʔʹݟͤΔͱ͖ͱΞΫηεϙΠϯτͷઃஔʹ
༻͢Δ
• ͷਤ͕ͳ͍ͳΒଌҐ͢Δҙຯ͋·Γͳ͍
• ਖ਼֬ͳਤͰͳ͚Εਖ਼֬ͳଌҐͰ͖ͳ͍
• ࠓճؒऔΓਤΛ༻
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ΞΫηεϙΠϯτͷઃஔ
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ΞΫηεϙΠϯτͷઃஔ
• ձͷେ͖͞ʹ߹Θͤͯ·ΜΜͳ͘ઃஔ͢Δ
• ΞΫηεϙΠϯτʹғ·Ε͍ͯΔΑ͏ͳঢ়ଶʹ͢Δ
• ઢͰ݁ΔΑ͏ͳஔͰਫ਼͕ग़ͳ͍
• ࢛͍֯෦ͳΒ࢛۱ͱਅΜத͕ྑͦ͞͏
• ࠓճׂͱࡶ
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ΞΫηεϙΠϯτͷҢܦ
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ΞΫηεϙΠϯτͷҢܦͷऔಘ
• ਤͳͲΛͬͯΞΫηεϙΠϯτͷҢܦΛؤுͬ
ׂͯΓग़͢
• େม
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ΞϓϦͷ࡞
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ΞϓϦͷ࡞
• (PPHMF.BQ4%,Λ͏͔Θͳ͍͔ΛܾΊΔ
• Θͳ͍߹ɺਤతͳૢ࡞ࣗલ࣮͕ඞཁ
• Θͳ͍߹ɺҢܦͳ͍͍ͯ͘
• Ψοͱؾ߹Ͱ࣮͢Δ
• ਫ਼Λؾʹ͠ͳ͚Ε؆୯ʹ࣮Ͱ͖Δ
• ਫ਼Λؾʹ͢Δͱແݶʹ͕͔͔࣌ؒΔ
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ਫ਼Λ্͛ΔΞΠσΟΞ
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ਫ਼Λ্͛Δ
• ߴ͞Λ͏
• ΞΫηεϙΠϯτ͕ఱҪʹ͋Δ߹ͳͲߟྀͨ͠
΄͏͕ྑͦ͞͏
• ΞΫηεϙΠϯτͷઃஔॴΛݟ͢
• ڑ͔ΒҐஔใΛࢉग़͢Δํ๏Λมߋ͢Δ
• લճऔಘͨ͠ͳͲΛͬͯҟৗΛແࢹ͢Δ
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ਫ਼Λ্͛Δ
• ΞΫηεϙΠϯτͷΛ૿͢
• ඪ४ภࠩͷେ͖ͳΞΫηεϙΠϯτΛແࢹ͢ΔͳͲ
• ֤छηϯαʔΛ͏
• Ճηϯαʔ
• ίϯύε
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·ͱΊ
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·ͱΊ
• ΞΫηεϙΠϯτ(PPHMF8J'J
• ਤΞΫηεϙΠϯτͷҢܦͳͲͷਖ਼͕֬͞ॏཁ
• ͋ΔఔΛ͠ͳ͍ͱਫ਼ग़ͳ͍
• ਫ਼͕ѱ͍߹Ͳ͜ʹ͕͋Δͷ͔ಛఆ͠ʹ͍͘
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͜͠ͷͰσϞ͢ΔͳΒ
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͜ͷͰσϞ͢Δʹ
• ձͷ8J'JʹӨڹΛ༩͑ΔՄೳੑ͕͋ΔͷͰӡӦʹ֬
ೝ
• 8J'J"XBSFΛ͏
• ઃஔָ͕
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͜ͷͰσϞ͢Δʹ
• ਖ਼֬ͳਤͷೖखఘΊΔ
• (PPHMF.BQΛͦͷ··͍͍ͬͯͳΒਖ਼֬ͳ
ਤͳ͍͍ͯ͘
• ৄࡉͳਤ͕͋ͬͨ΄͏͕໘ന͍͕ɺσϞͳͷͰ
ͷલͰಈ͔͚ͩ͢Ͱे
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͜ͷͰσϞ͢Δʹ
• ઃஔॴ࢛۱ʴձͷେ͖͞ʹԠͯ͡ਅΜதʹ
• Ңܦؤுͬͯ༧͢Δ
• લͳͲʹਤΒͤͯΒ͑ͳ͍͔ަব͢Δ
• 8J'J"XBSFͳΒஔ͚ͩ͘ͳͷͰɺΈͳ͞Μ
ʹ࣋ͬͯΒ͏ͷ͋Γ
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