Bài viết đề xuất một phương pháp quản lý nhiễu giữa người dùng D2D và người dùng di động (khi chia sẻ tài nguyên) bằng cách tính toán và xây dựng một khu vực hạn chế nhiễu khi xem xét dưới ảnh hưởng của suy hao qua không gian tự do và pha-đinh Rayleigh. Mời các bạn cùng tham khảo!
ĈiQKJLiKLӋXQăQJWUX\ӅQWK{QJ''VӱdөQJYQJ KҥQFKӃQKLӉXGѭӟLҧQKKѭӣQJFӫDSKD-ÿLQK5D\OHLJK 'ѭѫQJ1JӑF6ѫQ,ĈLQK7Kӏ7KiL0DLYj1JX\ӉQ4uӕF7XҩQ BӝP{Q+ӋWKӕQJ9LӉQ7K{QJ.KRDĈLӋQWӱ9LӉQ7K{QJ, ĈҥLKӑF&{QJ1JKӋ-ĈҥLKӑF4XӕF*LD+j1ӝL (PDLOGXRQJVRQYQX#JPDLOFRPGWWPDL#YQXHGXYQ,WXDQQT#YQXHGXYQ Tóm t̷t — 7URQJ WѭѫQJ ODL KjQJ WӍ FiF WKLӃt bӏ sӁ ÿѭӧc kӃt nӕL ÿӝQJ1yFXQJFҩSWӕFÿӝdӳOLӋXFDRYjÿӝWUӉWKҩSFKRQJѭӡL vӟL QKDX FQJ WKHR ÿy Oj QKX FҫX YӅ QkQJ FDR WӕF ÿӝ dӳ OLӋX GQJÿҫXFXӕLWURQJPҥQJ*>@ GXQJOѭӧQJKӋ WKӕQJYj JLҧm trӉ… 7UX\ӅQWK{QJWUӵFWLӃSWKLӃt bӏ vӟLWKLӃt bӏ ''UDÿӡLKӭDKҽQOjPӝWWtQKQăQJPӟLFyWKӇ 0ӝWYҩQÿӅFѫEҧQFӫDWUX\ӅQWK{QJ''OjOjPWKӃQjRÿӇ ÿiSӭQJÿѭӧFFiF\rXFҫXWUrQ YjOjPӝWF{QJQJKӋ WѭѫQJODLFӫD FKLD Vҿ QJXӗQ WjL QJX\rQ JLӳD QJѭӡL GQJ GL ÿӝQJ Yj QJѭӡL mҥQJ WKӃ KӋ WKӭ QăP ĈӇ ÿҥW ÿѭӧF QKLӅX OӧL tFK WUX\ӅQ WK{QJ GQJ '' 4XD QKLӅu QJKLrQ FӭX WUX\ӅQ WK{QJ '' ÿѭӧF '' SKҧL Vӱ dөQJ QJXӗQ WjL QJX\rQ Fy Vҹn mӝW FiFK OLQK KRҥt FKLD WKjQK KDL KѭӟQJ FKtQK Oj WUX\ӅQ WK{QJ '' Vӱ dөQJ MӝWWURQJQKӳng vҩn ÿӅ cҫQÿѭӧFTXDQWkPWURQJWUX\ӅQWK{QJ FKXQJGҧLWҫQVӕYӟLWUX\ӅQWK{QJGLÿӝQJ,QEDQGYjWUX\ӅQ '' Oj TXҧQ Oê QKLӉX Jk\ UD EӣL FһS WUX\ӅQ WK{QJ '' WӟL FiF WK{QJ''VӱdөQJNKiFGҧLWҫQVӕYӟLWUX\ӅQWK{QJGLÿӝQJ WKLӃt bӏ GL ÿӝQJ KD\ QJѭӧF OҥL 7URQJ EjL EiR Qj\ FK~QJ W{L ÿӅ [Xҩt mӝW SKѭѫQJ SKiS TXҧQ Oê QKLӉX JLӳD QJѭӡL GQJ '' Yj 2XWEDQG[3]7URQJÿyWUX\ӅQWK{QJ'',QEDQGÿѭӧFFKLD QJѭӡLGQJGLÿӝng NKLFKLDVҿ WjLQJX\rQ bҵQJFiFKWtQKWRiQ WKjQKORҥLOj8QGHUOD\8-''Yj2YHUOD\2-''+uQK Yj [k\ Gӵng mӝt NKX Yӵc KҥQ FKӃ QKLӉX NKL [HP [pW GѭӟL ҧQK PLrXWҧVӵNKiFELӋWJLӳDKDLSKѭѫQJSKiSWUX\ӅQWK{QJ'' 8QGHUOD\ '' ,QEDQG Kѭӣng cӫDVX\KDRTXDNK{QJJLDQWӵ YjSKD-ÿLQK5D\OHLJK 3KѭѫQJ SKiS Qj\ ÿѭӧc áp dөQJ FKR Fҧ ÿѭӡQJ OrQ Yj ÿѭӡng [XӕQJ7K{QJTXDNLӇPFKӭng bҵQJP{SKӓQJ0DWODEFK~QJW{L FKӭng tӓ ÿѭӧc rҵQJSKѭѫQJSKiSTXҧQOêQKLӉXQj\FyWKӇ OjP WăQJGXQJOѭӧQJKӋ WKӕng mӝWFiFKÿiQJNӇ Tͳ khóa — M̩ng truy͉n thơng D2D, qu̫n lý nhi͍u, GXQJ O˱ͫng m̩ng, U-D2D, SINR 1Jj\QD\VӕOѭӧQJFiFWKLӃWEӏFҫPWD\ÿDQJJLDWăQJPӝW FiFKQKDQKFKyQJÿӗQJWKӡLQKXFҫXYӅFiFӭQJGөQJVӱdөQJ WӕF ÿӝ FDR QJj\ FjQJ WăQJ 0ҥQJ WKӃ KӋ WKӭ QăP * ÿѭӧF PRQJÿӧLYjVӁSKҧLÿiSӭQJÿѭӧF\rXFҫXQj\0ӝWF{QJQJKӋ ÿѭӧFNuYӑQJVӁÿyQJYDLWUzTXDQWUӑQJWURQJFiFWKӃKӋmҥQJ NӃWLӃS1*1VOjWUX\ӅQWK{QJWKLӃWEӏYӟLWKLӃWEӏ'' 7URQJPҥQJGLÿӝQJWUX\ӅQWKӕQJWҩWFҧWK{QJWLQOLrQOҥF ÿӅXSKҧLÿLTXDWUҥPJӕF%6.LӃQWU~FQj\SKKӧSYӟLFiF dӏFKYөGLÿӝQJWӕFÿӝWKҩSQKѭWKRҥLYjWLQQKҳQYăQEҧQ7X\ QKLrQQJѭӡLGQJWURQJ PҥQJGLÿӝQJQJj\QD\VӱdөQJFiF dӏFKYө\rXFҫXWӕFÿӝdӳOLӋXFDRQKѭWUzFKѫLPҥQJ[mKӝL WKRҥL YLGHR«'R ÿy WUX\ӅQ WK{QJ '' ÿѭӧF ÿѭD YjR QJKLrQ FӭX ÿӇ NKҳF SKөF QKӳQJ QKѭӧF ÿLӇP FӫD NLӃQ WU~F mҥQJ FNJ 7URQJ WUX\ӅQ WK{QJ '' KDL WKLӃW Eӏ Fy WKӇ WUӵF WLӃS WUX\ӅQ WK{QJYӟLQKDXWURQJNKRҧQJFiFKQJҳQPjNK{QJFҫQWK{QJ TXDWUҥPJӕF%6[1]>@;DKѫQKDLWKLӃWEӏFyWKӇWUӵFWLӃS NӃWQӕLYӟLQKDXWURQJWUѭӡQJKӧSFyWKLӋWKҥLYӅFѫVӣKҥWҫQJ mҥQJGRWKLrQWDL0ӝWVӕӭQJӭQJGөQJNKiFFӫDWUX\ӅQWK{QJ ''EDRJӗPFiFdӏFKYөWLӋQtFKPӣUӝQJGӵDWUrQYӏWUtNӃW QӕL FiF SKѭѫQJ WLӋQ JLDR WK{QJ 99 WUz FKѫL ÿLӋQ Wӱ« 7UX\ӅQWK{QJ''ÿѭӧFNKDLWKiFÿӇQkQJFDRKLӋXTXҧSKә WK{QJ OѭӧQJ Yj KLӋX VXҩW Vӱ dөQJ QăQJ OѭӧQJ FKR PҥQJ GL 188 7KӡLJLDQ *,ӞI7+,ӊU 2XWEDQG , 2YHUOD\ '' '' 0ҥQJGLÿӝQJ 0ҥQJGL ÿӝQJ 3KәGLÿӝQJ 3KәGLÿӝQJ 2YHUOD\ 2YHUOD\ 7UX\ӅQWK{QJGLÿӝQJ 7UX\ӅQWK{QJ'' 3KәGLÿӝQJ 3Kә,60 +uQK+DLSKѭѫQJSKiSWUX\ӅQWK{QJ'' 7URQJWKӵFWӃWUѭӡQJKӧSFһSOLrQNӃW''EDRJӗPWKLӃW Eӏ''SKiW-78(YjWKLӃWEӏ''QKұQ-58(GQJFKXQJWjL QJX\rQWҫQVӕYӟLQJѭӡLGQJPҥQJGLÿӝQJ&8(VӁJk\UD QKLӉu[4@7URQJQKӳQJQăPYӯDTXDQKLӅXWKXұWWRiQÿmÿѭӧF ÿӅ[XҩWÿӇJLҧLTX\ӃWYҩQÿӅQj\0ӝWVӕÿӅ[XҩWFyWKӇNӇÿӃQ QKѭTXҧQOêQKLӉXGӵDWUrQFKҩWOѭӧQJNrQKWUX\ӅQ&4,NӃW KӧSYӟLÿLӅXNKLӇQF{QJVXҩW[]KD\ÿӅ[XҩWPӝWJLDRWKӭFPӟL QKѭWURQJ>6]7URQJ>8]YҩQÿӅTXҧQOêQKLӉXJһSSKҧLOjWӗQ WҥL ÿӗQJ WKӡL QKLӅX OLrQ NӃW '' &iF WiF JLҧ ÿm ÿӅ [XҩW SKѭѫQJSKiSWӕLѭXF{QJVXҩWWUX\ӅQFKRQJѭӡLGQJ''VDR FKR WӕL ÿD ÿѭӧF WK{QJ OѭӧQJ FӫD KӋ WKӕQJ Pj YүQ ÿҧP EҧR mӭF6,15FKRQJѭӡLGQJGLÿӝQJ3KѭѫQJSKiSQj\GӵDWUrQ WK{QJWLQYӅWUҥQJWKiLNrQKWUX\ӅQ&6,ÿӇFkQEҵQJJLӳDKLӋX QăQJWәQJWKӇFӫDKӋWKӕQJYjF{QJVXҩWSKiW 7URQJ EjL EiR Qj\ FK~QJ W{L ÿӅ [XҩW [k\ GӵQJ PӝW YQJ KҥQ FKӃ QKLӉX ÿӇ TXҧQ Oê QKLӉX WURQJ WUX\ӅQ WK{QJ '' NKL [HP[pWÿӃQҧQKKѭӣQJFӫDP{LWUѭӡQJWUX\ӅQODQWURQJNK{QJ JLDQ Wӵ GR ĈҫX WLrQ mӝW YQJ Fy WKӇ Jk\ QKLӉX Wӯ 78( OrQ &8( Yj &8( OrQ 58( ÿѭӧF [k\ GӵQJ ÿӇ [iF ÿӏQK Yӏ WUt FiF &8(QҵPWURQJYQJQj\WӯÿyOӵaFKӑQÿѭӧFWjLQJX\rQVӱ dөQJ FKR WUX\ӅQ WK{QJ '' 6DX ÿy Vӱ dөQJ SKkQ Eә WjL QJX\rQYjÿLӅXNKLӇQF{QJVXҩWÿӇKҥQFKӃQKLӉXWӕLÿDFKRFһS WUX\ӅQ WK{QJ '' &XӕL FQJ ÿiQK JLi KLӋX QăQJ KӋ WKӕQJ GѭӟLWiFÿӝQJFӫDSKD-ÿLQK5H\OHLJK 3KҫQFzQOҥLFӫDEjLEiRÿѭӧFWәFKӭFQKѭVDXWURQJSKҫQ IIFK~QJW{LPLrXWҧP{KuQKKӋWKӕQJ7URQJSKҫQ,,,FK~QJ W{LWUuQKEj\FөWKӇSKѭѫQJSKiS[k\GӵQJYQJKҥQFKӃQKLӉX ÿmÿӅ[XҩW3KҫQ,9FXQJFҩSFiFNӃWTXҧP{SKӓQJYjSKkQ WtFK Oê WKX\ӃW &XӕL FQJ NӃW OXұQ EjL EiR VӁ ÿѭӧF WUuQK Ej\ WURQJSKҫQ9 ,, 0Ð+Ỵ1++ӊ7+Ӕ1* NrQKWӯ%6WӟL&8(WKӭkKRһF58(WUrQNrQKWjLQJX\rQWKӭ kÿӝOӧLNrQKWӯ&8(WKӭkWӟL%6KRһF58(YjÿӝOӧLNrQK Wӯ78(ÿӃQ58(KRһF%6&8(WKӭkWUrQNrQKWjLQJX\rQ WKӭk GBS UEk RUEk PLBS UEk RUE hBS UEk RUEk GUEk BS RUE PLUEk BS RUE hUEk BS RUE GTUEk RUE BS UEk PLTUE RUE BS UEk hTUEk RUE BS UEk WURQJÿy PLij OjVX\KDRWӯiWӟLj[7] PLij dB ORJ10 Pt Pr § O · ORJ10 ă â 4S d YL Pr OjF{QJVXҩWWKX Pt OjF{QJVXҩWSKiWd OjNKRҧQJFiFK A Mơ hình h͏ th͙ng 0{KuQKKӋWKӕQJÿѭӧF[HP[pWWURQJEjLEiRQj\OjPӝW mҥQJGLÿӝQJFyVӵWKDPJLDFӫDWUX\ӅQWK{QJ''0ҥQJEDR JӗP0&8(YjPӝWFһS''ÿѭӧFSKkQEәQJүXQKLrQ7URQJ ÿѭӡQJ[XӕQJ%6WUX\ӅQWtQKLӋXWӟL&8(78(WUX\ӅQWtQWӟL 58( 7URQJ ÿѭӡQJ OrQ &8( WUX\ӅQ WtQ KLӋX WӟL %6 Yj 78( WUX\ӅQWtQKLӋXWӟL58(+uQKP{WҧP{KuQKKӋWKӕQJ &8( GUEk BS RUE , GTUEk RUE BS UEk OҫQ OѭӧW ELӇX GLӉQ ÿӝ OӧL WӯiÿӃQjȜOjÿӝGjLEѭӟFVyQJYj hij OjKӋVӕNrQKSKD-ÿLQK B Phân tích 7URQJ ÿѭӡQJ [XӕQJ %6 WUX\ӅQ WtQ KLӋX WӟL &8( 78( WUX\ӅQWtQKLӋXWӟL58(7KHRÿy58(EӏJk\QKLӉXEӣLOLrQ NӃWJLӳD%6Yj&8(*LҧVӱWUҥQJWKiLFKLDVҿNrQKWjLQJX\rQ JLӳD FһS '' Yj PҥQJ GL ÿӝQJ ÿѭӧF ELӇX GLӉQ EҵQJ PҧQJ rd(1:M) rd(k) = QJKƭD Oj mҥQJ GL ÿӝQJ FKLD Vҿ NrQK WjL QJX\rQWKӭkFKRFһS''Yjrd(k) =NKLFK~QJNK{QJGQJ FKXQJWjLQJX\rQ KLÿy6,15FӫD&8(WKӭkFyWKӇELӇXGLӉQEҵQJ[9] DL SINRUE k 78( &8( PBS ,UEk GBS ,UEk rd k PTUEk ,UEk GTUEk ,UEk V YӟL PBS ,UEk Oj F{QJ VXҩW WUX\ӅQ Wӯ B6 WӟL &8( WKӭ k PTUEk ,UEk OjF{QJVXҩWWUX\ӅQWӯ78( WӟL&8(WKӭkYjÿyQJ 58( +uQK0{KuQKKӋWKӕQJ %6SKkQEәNrQKWjLQJX\rQYjNrQKÿLӅXNKLӇQQăQJOѭӧQJ FKR FiF OLrQNӃW GL ÿӝQJ Yj OLrQ NӃW ''*Lҧ Vӱ FiFNrQK Oj WUӵFJLDRYӟLQKDXQKLӉXFKӍWӗQWҥLWURQJFiFNrQKQӝLEӝGR FKLD Vҿ NrQK FӫD WUX\ӅQ WK{QJ '' Yj WUX\ӅQ WK{QJ GL ÿӝQJ 7ҩWFҧFiFNrQKWjLQJX\rQEDRJӗP0NrQKÿѭӡQJOrQYj0 NrQKÿѭӡQJ[XӕQJFӫD&8(ÿӅXÿѭӧFSKpSFKLDVҿFKRQJѭӡL GQJ'' rQKY{WX\ӃQOjNrQKEӏҧQKKѭӣQJEӣLVX\KDRWUX\ӅQGүQ WURQJ NK{QJ JLDQ Wӵ GR Yj SKD-ÿLQK *ӑL GBS UEk RUEk , 189 YDLWUzOjWtQKLӋXJk\QKLӉX V OjF{QJVXҩWWҥSkP*DXVVLDQ ;HP [pW YLӋF SKkQ Eә WjL QJX\rQ 6,15 FӫD FӫD 58( WURQJNrQKWjLQJX\rQWKӭkFyWKӇELӇXGLӉQEҵQJ[9] DL SINRRUE ,k rd k PTUEk , RUE GTUEk , RUE PBS , RUEk GBS , RUEk V YӟL PTUEk , RUE Yj PBS , RUEk WѭѫQJ ӭQJ Oj F{QJ VXҩW SKiW FӫD 78( Yj %6 WӟL 58( WURQJ NrQK WjL QJX\rQ WKӭ k ru(k) = QJKƭDOjPҥQJGLÿӝQJFKLDVҿNrQKWjLQJX\rQWKӭkFKRFһS ''Yjru(k) =NKLFK~QJNK{QJGQJFKXQJWjLQJX\rQ 7URQJÿѭӡQJOrQ&8(WUX\ӅQWtQKLӋXWӟL%6Yj78(YүQ WUX\ӅQ WtQ KLӋX WӟL 58( 7KHR ÿy 58( Eӏ QKLӉX Jk\ UD EӣL &8(NKLVӱdөQJFKXQJWjLQJX\rQYӟLOLrQNӃWJLӳD&8(Yj %6*LҧVӱmҧQJru(1:M)ELӇXGLӉQWUҥQJWKiLFKLDVҿNrQKWjL QJX\rQJLӳDFһS''YjOLrQNӃWGLÿӝQJ KLÿy6,15FӫD%6FyWKӇELӇXGLӉQEӣL ¦ PUEk ,BS GUEk ,BS k M ¦ >ru k P TUEk , BS k GTUEk , BS @ V YӟL PUEk , BS Yj PTUEk , BS WѭѫQJ ӭQJ Oj F{QJ VXҩW WUX\ӅQ FӫD &8(WKӭkYj78(WӟL%6WURQJNrQKWjLQJX\rQWKӭk 6,15 FӫD 58( WURQJ NrQK WjL QJX\rQ WKӭ k Fy WKӇ ELӇX GLӉQEӣL UL SINRRUE ,k ru k PTUEk , RUE GTUEk , RUE PBS , RUEk GBS , RUEk V 'XQJOѭӧQJFӫDKӋWKӕQJÿѭӧFWtQKEӣLF{QJWKӭF C CUL 1 YӟL dTUE ,UEk OjNKRҧQJFiFKJLӳD78(Yj58(ĮOjKӋVӕVX\ M UL SINRBS IUEk dTUE ,UEk D § O · PTUEk ,UEk ă dTUE ,UEk ! RDL â 4S d đ d TUE ,UEk RDL ¯ KDR ÿѭӡQJ WUX\ӅQ RDL Oj EiQ NtQK FӫD YQJ KҥQ FKӃ QKLӉu ÿѭӡQJ[XӕQJ*ӑL PDL OjQJѭӥQJPӭFQăQJOѭӧQJQKLӉuÿѭӧF [iFÿӏQKWUѭӟFFӫDWtQKLӋXSKiWWӯ78(ÿӃQ&8(YjȜOjÿӝ GjLEѭӟFVyQJFӫDWҫQVӕSKiW KLÿyNKRҧQJFiFKWӕLWKLӇXJLӳD78(Yj&8(ÿӇJk\UD QKLӉXEӣL78(ÿӃQ&8(FyWKӇFKҩSQKұQÿѭӧFOj RDL , RDL WtQKEӣLF{QJWKӭF O RDL § P à 4S ă DL â PTUE M UL UL ORJ SINRBS ¦ ORJ SINRRUE k M ¦ ORJ k DL DL SINRUE ORJ SINRRUE k k 1 RUL O Đ P 4S ă UL ă PUE â k à áá 13 D YL PUL Oj PӭF QăQJ OѭӧQJ QJѭӥQJ ÿѭӧF [iF ÿӏQK WUѭӟF FӫD YӟL CUL Yj CDL OҫQ OѭӧW Oj GXQJ OѭӧQJ NrQK ÿѭӡQJ OrQ Yj NrQKÿѭӡQJ[XӕQJ'RÿyPөFWLrXFӫDTXҧQOêQKLӉXOjWuP mҧQJrd(M)Yjru(M)VDRFKRWӕLÿDKyDÿѭӧFGXQJOѭӧQJKӋ WKӕQJ ,,, 7ѭѫQJWӵWDFyWKӇWtQKÿѭӧFEiQNtQKYQJKҥQFKӃQKLӉu FKRÿѭӡQJOrQ RUL WK{QJTXDF{QJWKӭF CUL CDL k CDL D WtQ KLӋX QKұQ Wӯ &8( WӟL 58( 'R ÿy Vӕ OѭӧQJ NrQK WjL QJX\rQFyWKӇVӱdөQJFKRWUX\ӅQWK{QJ''SKөWKXӝFYjR EiQNtQKYQJKҥQFKӃQKLӉu9QJKҥQFKӃQKLӉXÿѭӧFYӁUD QKѭ WURQJ +uQK 7jL QJX\rQ FӫD FiF QJѭӡL GQJ GL ÿӝQJ &8( QҵP WURQJ YQJ KҥQ FKӃ QKLӉX VӁ NK{QJ ÿѭӧF SKkQ Eә FKRFһSWUX\ӅQWK{QJ'' ;Ỉrd k P k BS , RUEk ,9 ӂ748Ҧ0Ð3+Ӓ1* 7URQJ SKҫQ Qj\ SKѭѫQJ SKiS ÿӅ [XҩW ÿѭӧF ÿѭD YjR P{ SKӓQJ Yj ÿiQK JLi KLӋX QăQJ 0{ KuQK PҥQJ WӃ EjR Oj PӝW PDFUR-FHOOFyWkPOjWUҥPJӕFYӟLEiQNtQKOjP+ӋWKӕQJ DQWHQÿѭӧFJLҧÿӏQKOjY{KѭӟQJ&iFWKDPVӕKӋWKӕQJÿѭӧF OLӋWNrFKLWLӃWWURQJBҧQJ BҦ1*7+Ð1*6Ӕ0Ð3+Ӓ1* *LiWUӏ 7K{QJVӕ %iQNtQKFHOO 100m KRҧQJFiFKJLӳD78(Yj58( 0m 6ӕOѭӧQJ&8( 400 &{QJVXҩWSKiWWӕLÿDFӫD%6 G%P &{QJVXҩWSKiWWӕLÿDFӫD78( 0dBm &{QJVXҩWWҥSkP -G%m +ӋVӕVX\KDRÿѭӡQJWUX\ӅQ3/ G% 6,15QJѭӥQJȘ %ѭӟFVyQJ/7(0+] P 3KѭѫQJVDLELӃQQJүXQKLrQ5D\OHLJK 1KLӉX V 1JүXQKLrQ ĈҫXWLrQ0&8(YjFһS''ÿѭӧFSKkQEәmӝWFiFKQJүX QKLrQNKRҧQJFiFKJLӳD78(Yj58(OàNK{QJÿәL+uQK4 m{WҧSKkQEәFӫDFiF&8(YjFһS''WURQJPҥQJ GBS , RUEk @ V GTUEk , RUE 6 C Phân b͝ tài nguyên KLNK{QJWKӇWUiQKNKӓLQKLӉXJLӳD&8(YjFһS''FiF QJuӗQWjLQJX\rQÿѭӧFSKkQEәFKRFK~QJSKҧLWUӵFJLDRYӟL QKDX7URQJÿѭӡQJ[XӕQJÿӇKҥQFKӃQKLӉXGRFһS''Jk\ UDFiFQJXӗQWjLQJX\rQFӫD&8(QҵPErQQJRjLYQJKҥQFKӃ QKLӉuÿѭӧFSKkQEәFKRWUX\ӅQWK{QJ''9ӟLPөFÿtFKQj\ mӝW NrQK GjQK ULrQJ FKR WUX\ӅQ WK{QJ '' ÿѭӧF WKLӃW OұS ''&+ÿӇѭӟFWtQKVӕOѭӧQJ&8(QҵPWURQJYQJSKӫFӫD mӝWWӃEjRGLÿӝQJ7URQJ''&+78(JӱLPӝWEҧQWLQEiR VӵFymһWFӫDWUX\ӅQWK{QJ''7ҩWFҧ&8(WURQJWӃEjRÿӅX WKHRG}LNrQKQj\.KLF{QJVXҩWQKұQÿѭӧFOӟQKѫQ PDL Qy FKRELӃW&8(VӁEӏҧQKKѭӣQJEӣLWUX\ӅQWK{QJ''6DXNKL QKұQÿѭӧFWK{QJWLQSKҧQKӗLWӯ&8(%6WK{QJEiRFKR78( WK{QJ WLQ YӅ QKӳQJ NrQK WjL QJX\rQ ÿm GQJ Yj WUX\ӅQ WK{QJ ''NK{QJÿѭӧFSKpSVӱdөQJQKӳQJNrQKQj\QӳD 6DXÿyNKXYӵFKҥQFKӃQKLӉXÿѭӡQJ[XӕQJÿѭӧFWKLӃWOұS ÿӇ[iFÿӏQKFiFQJXӗQWjLQJX\rQFyWKӇGQJFKRWUX\ӅQWK{QJ '' WK{QJ TXD WK{QJ WLQ SKҧQ KӗL Wӯ %6 Yj 58( 1ӃX WjL QJX\rQ Eӏ Vӱ dөQJ KӃW WUX\ӅQ WK{QJ '' VӁ ÿѭӧF ÿѭD YjR KjQJÿӧLKRһFFKX\ӇQTXaVӱdөQJWUX\ӅQWK{QJGLÿӝQJ%ҵQJ FiFKQj\%6FyWKӇNLӇPVRiWEiQNtQKFӫDYQJKҥQFKӃQKLӉu EҵQJ FiFK WKLӃW OұS FiF WK{QJ Vӕ OLrQ TXDQ QKLӉX JLӳD WUX\ӅQ WK{QJ''YjPҥQJGLÿӝQJVӁJLҧPYjKLӋXVXҩWFӫDKӋWKӕQJ VӁÿѭӧFFҧLWKLӋQ 191 +uQK3KkQEӕFӫDFiF&8(YjFһS''WURQJPҥQJ ĈӇÿiQKJLiKLӋXQăQJFӫDSKѭѫQJSKiSÿӅ[XҩWYQJKҥQ FKӃ QKLӉX ÿѭӧF ÿѭD YjR P{ SKӓQJ YӟL Vӵ WKD\ ÿәL YӅ mӭF F{QJ VXҩW SKiW EDR JӗP ÿѭӡQJ OrQ PDL Yj ÿѭӡQJ [XӕQJ PUL.rQKVӱdөQJWURQJP{SKӓQJOjNrQKFKӏXҧQKKѭӣQJ EӣLVX\KDRWURQJNK{QJJLDQWӵGRYjSKD-ÿLQK5H\OHLJK&iF F{QJWKӭFGQJÿӇP{SKӓQJJӗPFiFÿҥLOѭӧQJQKѭ6,15ÿӝ OӧL NrQK KDR KөW ÿѭӡQJ WUX\ӅQ ĈҥL OѭӧQJ ÿѭӧF ÿѭD UD ÿӇ ÿiQKJLiOjdXQJOѭӧQJFӫDKӋWKӕQJ0{SKӓQJWKӵFKLӋQÿӕL YӟLKDLSKѭѫQJSKiSOjSKkQEәWjLQJX\rQGӵDYjRYQJKҥQ FKӃQKLӉXYjSKkQEәWjLQJX\rQQJүXQKLrQ7K{QJTXDYLӋF VRViQKNӃWTXҧP{SKӓQJJLӳDKDLSKѭѫQJSKiSSKѭѫQJSKiS TXҧQOêQKLӉXGӵDWUrQYQJKҥQFKӃQKLӉXFKӭQJPLQKOjJL~S KӋWKӕQJÿҥWÿѭӧFGXQJOѭӧQJWӕWKѫQ+uQKP{WҧFiF&8( QҵPWURQJYQJKҥQFKӃQKLӉXYQJQj\JӗPKDLÿѭӡQJWUzQ FyWkPOj78(Yj58(YjEiQNtQKWѭѫQJӭQJOjRDLYjRUL 7jLQJX\rQWҫQVӕFӫDFiF&8(Qj\VӁNK{QJÿѭӧF[Hm[pWÿӇ FҩSSKiWFKRFһSWUX\ӅQWK{QJ''+uQK6+uQK7OҫQOѭӧW ELӇX GLӉQ Vӵ WKD\ ÿәL FӫD GXQJ OѭӧQJ KӋ WKӕQJ NKL WKD\ ÿәL QJѭӥQJ QKLӉX ÿѭӡQJ OrQ PDL Yj QJѭӥQJ QKLӉX ÿѭӡQJ [XӕQJ PUL QKLrQ NKL PӭF QJѭӥQJ ÿҥW JLi WUӏ OӟQ KѫQ -G%P WKu GXQJ OѭӧQJFӫDKӋWKӕQJÿѭӧFWăQJOrQYjÿҥWWUҥQJWKiLEmRKzDWҥL mӭFQăQJOѭӧQJQJѭӥQJPDL PUL -G%P-9:.KL ÿyGXQJOѭӧQJFӫDKӋWKӕQJәQÿӏQKYjNK{QJFyVӵWKD\ÿәL KD\FKrQKOӋFKTXiOӟQӣFiFPӭFQăQJOѭӧQJWLӃSWKHR'X\ WUuӣmӭFQăQJOѭӧQJQj\JL~SKӋWKӕQJÿҥWGXQJOѭӧQJFDRYj KLӋXQăQJWӕWQKҩW 7KHRNӃWTXҧP{SKӓQJӣWUrQFyWKӇWKҩ\UҵQJGXQJOѭӧQJ KӋWKӕQJFҧLWKLӋQÿiQJNӇNKLVӱdөQJTXҧQOêQKLӉXdӵaWUrQ SKѭѫQJ SKiS YQJ KҥQ FKӃ QKLӉu VR YӟL NKL NK{QJ Vӱ dөQJ KLVӱdөQJYQJKҥQFKӃQKLӉXEҵQJFiFKORҥLEӓWҩWFҧFiF &8( QҵP WURQJ YQJ Qj\ FKӍ Vӱ dөQJ FKXQJ WjL QJX\rQ YӟL &8(QҵPQJRjLYQJ RDL Yj RUL 6,15FӫDKӋWKӕQJWăQJ +uQK&iF&8(QҵPWURQJYQJJk\QKLӉXOrQWUX\ӅQWK{QJ '' OrQÿiQJNӇYjGRÿyGXQJOѭӧQJFӫDKӋWKӕQJFNJQJÿѭӧFFҧL WKLӋQ 9 ӂ7/8Ұ1 7URQJ EjL EiR Qj\ FK~QJ W{L ÿm ÿӅ [uҩW Yj NKҧR ViW KLӋX QăQJ FӫD SKѭѫQJ SKiS TXҧQ Oê QKLӉX GӵD WUrQ YQJ KҥQ FKӃ QKLӉu WURQJ WUX\ӅQ WK{QJ '' &ө WKӇ, dӵD YjR YQJ Fy WKӇ Jk\QKLӉXEӣLQJKLrPWUӑQJWӯ78(ÿӃQ&8(YjWӯ&8(ÿӃQ 58( KӋ WKӕQJ [iF ÿӏQK ÿѭӧF WjL QJX\rQ QjR Fy WKӇ Vӱ dөQJ FKR WUX\ӅQ WK{QJ '' Wӯ ÿy JL~S FҧL WKLӋQ GXQJ OѭӧQJ KӋ WKӕQJ ĈһF ELӋW KӋ WKӕQJ ÿѭӧF NKҧR ViW WUrQ NrQK FKӏX ҧQK KѭӣQJFӫDVX\KDRWӵGRYjSKD-ÿLQK5H\OHLJKYӟLORҥLNrQK WUX\ӅQQj\OjNrQKWKӵFWӃFӫDFiFWKLӃWEӏGLÿӝQJ&iFNӃWTXҧ ÿѭӧF NLӇP FKӭQJ EҵQJ P{ SKӓQJ WUrQ Pi\ WtQK FKR WKҩ\ FiF SKѭѫQJSKiSSKkQWtFKOjKRjQWRjQFKtQK[iF 7¬,/,ӊU7+$0.+Ҧ2 [1] +uQK6'XQJOѭӧQJKӋWKӕQJWKD\ÿәLNKLPDL WKD\ÿәL >@ [3] [4] >@ [6] [7] +uQK7'XQJOѭӧQJKӋWKӕQJWKD\ÿәLNKLPUL WKD\ÿәL 7ӯ +uQK Yj +uQK FK~QJ WD Fy WKӇ WKҩ\ QӃX PӭF QJѭӥQJQKLӉXWKҩSKѫQ-G%PWKuÿӅ[XҩWFӫDEjLEiRNK{QJ WӕW KѫQ SKѭѫQJ SKiS SKkQ Eә WjL QJX\rQ QJүX QKLrQ 7X\ 192 [8] [9] 3LPP\*DQGRWUD5DNHVK.XPDU-KD,³'HYLFH-WR-GHYLFHFRPPXQLFDWLRQ LQ FHOOXODU QHWZRUNV,” Journal of Network and Computer Applications, YROSS– $UDVK$VDGL4LQJ:DQJDQG9LQFHQ]R0DQFXVR³$6XUYH\RQ'HYLFHWR-'HYLFH &RPPXQLFDWLRQ LQ &HOOXODU 1HWZRUNV,” IEEE Communications Surveys & TutorialsYRO16,SS–1819, )XUTDQ -DPHHO =DUD +DPLG )DUKDQD -DEHHQ 6KHUDOL =HDGDOO\ DQG 0XKDPPDG $ZDLV -DYHG, “$ 6XUYH\ RI 'HYLFH-WR-'HYLFH &RPPXQLFDWLRQV 5HVHDUFK ,VVXHV DQG &KDOOHQJHV,” IEEE Communications Surveys & Tutorials,YROSS–, %LQ *XR 6KDRKXL 6XQ 6KDRKXL 6XQ 4LXELQ *DR, “,QWHUIHUHQFH 0DQDJHPHQW IRU '' &RPPXQLFDWLRQV 8QGHUO\LQJ &HOOXODU 1HWZRUNV DW &HOO (GJH,” The Tenth International Conference on Wireless and Mobile Communications, 5XL=KDQJ