| Âê̾ | ¥ª¥ݥå¥˥¹¥ƥ£¥å¯·¿Ä̿®¤òŬÍѤ·¤¿»ظþMAC¥ץí¥ȥ³¥ë¤ˤĤ¤¤Æ |
| Ãø¼Ô | *²Ãƣ ÂÙÂç (ÀŲ¬Âç³ØÂç³ر¡¾ðÊó³ظ¦µæ²Ê), èßÂå ²í´õ (¾åÃÒÂç³ØÍý¹©³ØÉô¾ðÊóÍý¹©³زÊ), ÅÏÊÕ ¾° (ÀŲ¬Âç³ØÁϤ²ʳص»½ÑÂç³ر¡) |
| Page | pp. 1536 - 1546 |
| Keyword | »ظþ¥¢¥ó¥ƥÊ, deafness, MAC, ¥ª¥ݥå¥˥¹¥ƥ£¥å¯ |
| Abstract | ¶áǯ¡¤¥¢¥ó¥ƥʤΥӡ¼¥àÊý¸þ¤òÅŻÒŪ¤Ë¸æ²Äǽ¤ʲÄÊѻظþ¥¢¥ó¥ƥʤò̵Àþ¥¢¥ɥۥ寥ͥåȥ¥¯¤ËŬÍѤ¹¤뤳¤Ȥ¬ÃíÌܤµ¤ì¤Ƥ¤¤롥¤½¤·¤ơ¤Áӡ¼¥à¤ȼӡ¼¥à¤òŬÀڤ˸椷¤ƶõ´ÖÍøÍѸúΨ¤ò¸þ¾夵¤»¤ëMAC¥ץí¥ȥ³¥뤬Äó°Ƥµ¤ì¤Ƥ¤¤롥¤·¤«¤·¡¤»ظþMAC(Medium Access Contorol)¥ץí¥ȥ³¥ë¤ˤª¤¤¤ơ¤Ä̿®¤·¤¿¤¤Áê¼꤬¥ӥ¸¡¼¤Ǥ¢¤뤳¤ȤòÃΤ餺Ä̿®¤ò»î¤ߤëdeafnessÌäÂ꤬ȯ¤¹¤롥deafnessÌäÂê¤ˤè¤êüËö¤ÎRTS(Request To Send)ºÆÁ÷²ó¿ô¤¬Áý²ä·Ãٱä¤ÎÁýÂç¤ä¥ѥ±¥åȤÎÇ˴þ¤¬µ¯¤³¤ꡤ·ë²̤Ȥ·¤ƥ¹¥롼¥ץåÈǽ¤ÎÄ㲼¤¯¡¥°ìÊý¡¤¥ª¥ݥå¥˥¹¥ƥ£¥å¯Ä̿®¤ÏÆÃÄê¤ÎüËö¤ȤÎÄ̿®¤˸Ǽ¹¤»¤º¡¤¤½¤λþ¤ËÄ̿®²Äǽ¤ÊüËö¤òÍøÍѤ¹¤ë¤Ȥ¤¤¦¹ͤ¨¤ò´ð¤ˤ·¤¿¼êˡ¤Ǥ¢¤롥 ËܹƤǤϥª¥ݥå¥˥¹¥ƥ£¥å¯·¿Ä̿®¤ˤè¤êºÆÁ÷³ÎΨ¤òÄ㸺¤¹¤뤳¤Ȥ¬¤Ǥ¤ëÅËÃåÌܤ·deafnessÌäÂê¤βò·èºö¤Ȥ·¤ÆDOMAC(Directional Opportunistic MAC)¤òÄó°Ƥ¹¤롥»ظþ¥¢¥ó¥ƥʤȥª¥ݥå¥˥¹¥ƥ£¥å¯·¿Ä̿®¤ÎξÊý¤ÎÍøÅò³褫¤¹¤¿¤ᡤDOMAC¤Ǥϻظþ¥¢¥ó¥ƥʤòÍѤ¤¤¿¥ץí¥ȥ³¥ë¤ËÉôʬŪ¤˥ª¥ݥå¥˥¹¥ƥ£¥å¯·¿Ä̿®¤òŬÍѤ¹¤롥·»µ¡¥·¥ߥå¥졼¥·¥ç¥ó¤ˤè¤êÄó°ÆÊý¼°¤ÏdeafnessÌäÂê¤Îȯ¤òÄ㸺¤·¡¤¥¹¥롼¥ץåÈǽ¤¬¸þ¾夹¤뤳¤Ȥ¹¡¥ |
| Âê̾ | ´³¾Ĥò¹Íθ¤·¤¿¥ӡ¼¥à¥ѥ¿¡¼¥ó¤òÍѤ¤¤ëMAC¥ץí¥ȥ³¥ë¤ˤĤ¤¤Æ |
| Ãø¼Ô | *ÌÚ¼ ¿¿¼ù (ÀŲ¬Âç³ØÂç³ر¡¾ðÊó³ظ¦µæ²Ê), èßÂå ²í´õ (¾åÃÒÂç³ØÍý¹©³ØÉô), ÅÏÊÕ ¾° (ÀŲ¬Âç³ØÁϤ²ʳص»½ÑÂç³ر¡) |
| Page | pp. 1547 - 1552 |
| Keyword | ¥¹¥ޡ¼¥ȥ¢¥ó¥ƥÊ, SINR, ¥졼¥È¸æ, MAC¥ץí¥ȥ³¥ë |
| Abstract | ¶áǯ¡¤¥¢¥ɥۥ寥ͥåȥ¥¯¤˥¹¥ޡ¼¥ȥ¢¥ó¥ƥʤòÍøÍѤ¹¤뤳¤Ȥ¬ÃíÌܤµ¤ì¤Ƥ¤¤롥 ¥¹¥ޡ¼¥ȥ¢¥ó¥ƥʤϥᥤ¥ó¥¥֤ȥ̥ë¤ÎÊý¸þ¤òÅŻÒŪ¤Ë¸椹¤뤳¤Ȥ¬²Äǽ¤Ǥ¢¤롥 ¥¹¥ޡ¼¥ȥ¢¥ó¥ƥʤλظþ¤ò¸椹¤ë»ظþMAC (Medium Access Control) ¥ץí¥ȥ³¥뤬¹ͰƤµ¤ì¤Ƥ¤¤롥 ½¾Íè¤Î¿¤¯¤Î MAC ¥ץí¥ȥ³¥ë¤ϡ¤Ä̿®Áê¼êüËö¤˥ᥤ¥ó¥¥֤ò¸þ¤±¤ë¼êˡ¤¬¡¤ ¼þÊÕüËö¤δ³¾ÄÇȤò¥Х寥¥֤䥵¥¤¥ɥ¥ÖÅù¤Υޥ¤¥ʡ¼¥¥֤Ǽ¹¤뤳¤Ȥǥ¹¥롼¥ץåÈǽ¤¬Ä㲼¤¹¤ëÌäÂ꤬¤¢¤롥 °ìÊý¤ǡ¤¼þ°ÏüËö¤ΰì¤Ĥ˥̥ë¤ò¸þ¤±¤ƴ³¾ĤòÄ㸺¤¹¤ë MAC ¥ץí¥ȥ³¥ë¤â¹ͰƤµ¤ì¤Ƥ¤¤롥 Ëܸ¦µæ¤Ǥϡ¤¥¹¥ޡ¼¥ȥ¢¥ó¥ƥʤòÍѤ¤¤ƥᥤ¥ó¥¥֤ȥ̥ë¤ÎξÊý¤òÁȤ߹ç¤碌¤¿¥ӡ¼¥à¥ѥ¿¡¼¥ó¤òÍøÍѤ¹¤ëMAC ¥ץí¥ȥ³¥ë¤òÄó°Ƥ¹¤롥 Äó°Ƽêˡ¤Ǥϡ¤¤¢¤餫¤¸¤á¥ᥤ¥ó¥¥֤ÎÊý¸þ¤ȥ̥ë¤ÎÊý¸þ¤ò·»¤·¤¿ʣ¿ô¸ĤΥӡ¼¥à¥ѥ¿¡¼¥ó¤ò·»¤¹¤롥 ·»¤ˤè¤êµá¤á¤é¤줿¥ӡ¼¥à¥ѥ¿¡¼¥ó¤òÍѤ¤¤ơ¤½ê˾Êý¸þ¤ع⤤¥¢¥ó¥ƥÊÍøÆòÆĤĴ³¾ÄüËöÊý¸þ¤ؤΥ¢¥ó¥ƥÊÍøÆòÄ㤯¤¹¤뤳¤ȤÇSINR¤ò¸þ¾夵¤»¡¤ ¹⤤Á졼¥ȤÇÄ̿®¤ò¹Ԥ¤¡¤¥¹¥롼¥ץåÈǽ¤ò¸þ¾夵¤»¤뤳¤ȤòÌÜŪ¤Ȥ¹¤롥 |
| Âê̾ | ¥¢¥ɥۥ寥ͥåȥ¥¯¤ˤª¤±¤륳¡¼¥ɥ»¥ó¥¹CDMA·¿MAC¥ץí¥ȥ³¥ë |
| Ãø¼Ô | *µÜϩ ʹ°ì, ¼Ãæ ͵µ®, ¸Ŷ¶ ÉË, ¾帶 ½¨¹¬, Âçʿ ¹§ (˭¶¶µ»½ѲʳØÂç³ØÅŵ¤¡¦ÅŻҾðÊطÏ) |
| Page | pp. 1553 - 1562 |
| Keyword | ¥ޥë¥ã¥ͥëMAC¥ץí¥ȥ³¥ë, ¥ޥë¥ã¥ͥ뱣¤ìüËöÌäÂê, CDMA, ¥³¡¼¥ɥ»¥ó¥¹ |
| Abstract | ¥¢¥ɥۥ寥ͥåȥ¥¯¤ÎMAC (Medium Access Control) ¥ץí¥ȥ³¥ë¤ˤÏIEEE 802.11 DCF¤ËÂåɽ¤µ¤ì¤륷¥ë¥ã¥ͥëMAC¥ץí¥ȥ³¥뤬¹¤¯ÍѤ¤¤é¤ì¤Ƥ¤¤롥 ¶áǯ¡¤¤µ¤é¤ʤ륹¥롼¥ץåȸþ¾å¤Τ¿¤á¤ËFDMA·¿¤äCDMA·¿¤Υޥë¥ã¥ͥëMAC¥ץí¥ȥ³¥뤬¸¡Ƥ¤µ¤ì¤Ƥ¤¤롥 ¤·¤«¤·¡¤¥ޥë¥ã¥ͥëMAC¥ץí¥ȥ³¥ë¤Ǥϥޥë¥ã¥ͥ뱣¤ìüËöÌäÂê¤äû½ÌNAVÌäÂê¤Ȥ¤¤ä¿¿·¤¿¤ÊÌäÂ꤬ȯ¤·¤Ƥ·¤ޤ¦¡¥ ¤½¤³¤ÇËܹƤǤϡ¤´³¾Ľüµî¤ȥ³¡¼¥ɥ»¥¡ǽ¤òͭ¤¹¤ëCDMA·¿MAC¥ץí¥ȥ³¥ë¤òÄó°Ƥ¹¤롥 Äó°ÆÊý¼°¤Ǥϡ¤¶áÎÙüËö¤ǻÈÍѤµ¤ì¤Ƥ¤¤ë³Ȼ¶Éä¹æ¤ò¸¡ÃΤ¹¤륳¡¼¥ɥ»¥¡ǽ¤òÍѤ¤¤¿³Ȼ¶Éä¹æ¤ÎÂò¤ˤè¤äơ¤¥ޥë¥ã¥ͥ뱣¤ìüËöÌäÂê¤ò²ò·è¤Ǥ¤롥 ¤ޤ¿¡¤üËöËè¤˸ÄÊ̤ËNAV¤òÀßÄꤹ¤ë³ÈĥNAV¤ˤè¤äÆû½ÌNAVÌäÂê¤ò²ò·褹¤롥 ¤µ¤é¤ˡ¤Äó°ÆÊý¼°¤ÏCDMA·¿ÆÃͭ¤αó¶áÌäÂê¤ËÂн褹¤뤿¤á¤ˡ¤Á÷¿®ÍÞ¸æ¤ò¹Ԥ¦¡¥ ¥·¥ߥå¥졼¥·¥ç¥ó¤ˤè¤ꡤIEEE 802.11 DCF¤ʤé¤ӤËFDMA·¿¤Υޥë¥ã¥ͥëMAC¤ËÈæ¤١¤¾×ÆͤʤɤòÍޤ¨¥¹¥롼¥ץåȤ¬¸þ¾夹¤뤳¤Ȥ¹¡¥ |