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Digital Communication Systems

Analog Communication Systems<br>u2013 Transmit one waveform out of infinite<br>possibilities<br>u2013 Rx u201cguessesu201d one out of infinite possibilities<br>u2022 Digital Communication Systems<br>u2013 Transmit one waveform out of finite (limited)<br>possibilities<br>u2013 Rx u201cguessesu201d one out of finite possibilities

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Digital Communication Systems

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  1. ASCII Codes Most significant 0 00 NUL SOH STX ETX EOT END ACK BEL BS HT LF VT FF CR SO SI Dec 16 10 32 20 48 30 0 1 2 3 4 5 6 7 8 9 : ; < = > ? 64 40 @ A B C D E F G H I J K L M N O 80 50 P Q R S T U V W X Y Z [ \ ] ^ _ 96 60 ` a b c d e f g h i j k l m n o 112 70 p q r s t u v w x y z { | } ~ DEL L Hex DCE DC1 DC2 DC3 DC4 NAK SYN ETB CAN EM SUB ESC FS GS RS US space ! " # $ % & ' ( ) * + , - . / e 0 0 a 1 1 s 2 2 t 3 3 4 4 s 5 5 i 6 6 g 7 7 n 8 8 i 9 9 f 10 A i 11 B c 12 C a 13 D n 14 E t 15 F Printed 12/30/2009 ASCII GSM.XLS

  2. GSM Codes Most significant 0 00 @ £ $ ¥ è é ù ì ò Ç LF Ø ø CR Å å Dec 16 10 ∆ _ Φ Γ Λ Ω Π Ψ Σ Θ Ξ 32 20 48 30 0 1 2 3 4 5 6 7 8 9 : ; < = > ? 64 40 ¡ A B C D E F G H I J K L M N O 80 50 P Q R S T U V W X Y Z Ä Ö Ñ Ü § 96 60 ¿ a b c d e f g h i j k l m n o 112 70 p q r s t u v w x y z ä ö ñ ü à L Hex space ! " # ¤ % & ' ( ) * + , - . / e 0 0 a 1 1 s 2 2 t 3 3 4 4 s 5 5 i 6 6 g 7 7 n 8 8 i 9 9 f 10 A <ESC> Æ æ ß É i 11 B c 12 C a 13 D n 14 E t 15 F Printed 12/30/2009 ASCII GSM.XLS

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