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[Communication-Mobile] SIPS04Matlab DL : 0: I. C. Wong, Z. Shen, J. G. Andrews, and B. L. Evans, ``A Low Complexity Algorithm for Proportional Resource Allocation in OFDMA Systems , Proc. IEEE Int. Work. Signal Processing Systems, 针对这篇文章给出的源代码-matlab code for I. C. Wong, Z. Shen, J. G. Andrews, and B. L. Evans, ``A Low Complexity Algorithm for Proportional Resource Allocation in OFDMA Systems , Proc. IEEE Int. Work. Signal Processing
Date : 2025-12-27 Size : 16kb User : hh
[Communication-Mobile] GPSGSM DL : 0: G P S和G S M 双定位终端的软硬件设计与实现 :随着移动定位技术的发展，单纯的签子G P S 的定位终端或者荃于移动网络的定位终端都将无法浦足用户的俩求。前者的G P S定位信号受地形及建筑物的影晌，会存在定位盲区后者定位精度和定位能力受到移动网络的限制。该文提出一种集成了G P S定位和G S M 网络定位技术的定位终端，阐述了它的软硬件的设计和实现。实验结果表明，该定位终端结合了G P S和G S M网络两种定位方式的优点，-D e s i g n a n d I m p l e me n t a t i o n o f t h e T r a c k i n g T e r mi n a l I n t e g r a t i n g GP S wi t h GS M P o s i t i o n i n g T e c h n o l o g y J I A NG X i r u i , C HE N G Z h e n l i n , F AN G J i n y u n , Z HA NG L i v n g ( I n s t i t u t e o f C o m p u t e T e c h n o l o g y , C h i n e s e A c a d e m y o f S c i e n c e s , B e i j i n g 1 0 0 0 8 0 ) b s t r a c t ] Th e t r a c k i n g t e r mi n a l p l a y s a n i mp o r a n t rl e i n t h e n a v i g a t i o n a n d p o s i t i o n i n g s y s t e m. Ho w t o t h e t r a c k i n g t e r mi n a l i s a k e y p rb l e m t o t h e d e s i g n e r a n d u s e r . T h i s p a p e r p r e s e n t s a me t h o d wh i c h i mpr v e t i n t e g r a t e s p e r f o r m a n c e a n d p r e c i s i o GP S wi 比GS M p o s i t i o n i n g h n o l o g y i n o n e t e r mi n a l , a n d s p e c i f i e s t h e s o f
Date : 2025-12-27 Size : 264kb User : JEFF
[Communication-Mobile] 123 DL : 0: Rayleigh信道中的误码率仿真源代码下载-Description This program simulates the bit-error-rate (BER) performance of Orthogonal space time block code over Rayleigh fading channel with L=4 TX antennas and M=1 RX antenna The code has been developed for real orthogonal design and code rate 1/2 modulation- 16 QAM with gray coding resulting in 2 bits/sec/Hz.
Date : 2025-12-27 Size : 4kb User : 方益波
[Communication-Mobile] findoptt DL : 0: function optt = findoptt(L,C,pmax,rP,a,w,maxw) Arguments: L =input( links in the network ) C =input( coordinates of nodes ) pmax =input( max. transmission power ) rP - see rndtopo2d a - fading coefficient (a<-2) Output: optt(i) - optimal blocking distance around destination of L(i), i.e. radius of the circle in which there should be no active nodes when L(i) is active. Description: We try to estimate the optimal blocking distance for the source of each link. For every node we start with a candidate distance t. We then estimate a number of slots N needed for the network as a number of link sources in that circle. We also est- function optt = findoptt(L,C,pmax,rP,a,w,maxw) Arguments: L =input( links in the network ) C =input( coordinates of nodes ) pmax =input( max. transmission power ) rP - see rndtopo2d a - fading coefficient (a<-2) Output: optt(i) - optimal blocking distance around destination of L(i), i.e. radius of the circle in which there should be no active nodes when L(i) is active. Description: We try to estimate the optimal blocking distance for the source of each link. For every node we start with a candidate distance t. We then estimate a number of slots N needed for the network as a number of link sources in that circle. We also est
Date : 2025-12-27 Size : 1kb User : Hemanth
[Communication-Mobile] OFDM3 DL : 0: 摘要: 该文从OF DM信号的特性出发，采用单一训练帧，将OF DM 系统的载波频率捕获等效为单载波频差估计.该文提出的算法仅使用一帧辅助数据具有较高的精度，较少的计算量和较大的捕获范围、且不受多径信道，时偏及帧同步误差的影响.- Orthogonal Frequency Division Mul tipl e x i n g ( O F D M) , Mu l t i c a r r i e r , C a r r i e r f r e q u e n c y s y n c h r o nizati o n , A c q u i s i t i o n a l g o r i t h m i s p r o p o s e d , w h i c h e mp l o y s o n l y o n e b l o c k o f i d e n t i c a l t i me- d o ma i n t r a i n i n g s y m- b o l s . T h e p r o p o s e d a l g o r i t h m h a s g o o d p r e c i s i o n , l o w c o mp u t a t i o n s a n d l a r g e a c q u i s i t i o n r a n g e . I t i s i n t r i n s i c a l l y r o b u s t t o mu l t i p a t h c h a n n e l a n d t i mi n g e r r o r .
Date : 2025-12-27 Size : 1009kb User : tianyu
[Communication-Mobile] EPQFNW DL : 0: _ _變 l器通信模 K q為RS－485 o通信模式為MODBUS o直接用C Z言編 g程序可打 _ q()
Date : 2025-12-27 Size : 6kb User : sulgroup