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Biographies and Bibliographies/Letters A - D
*Anderson, J.B.; Mohan, S.:  Source and Channel Coding.  Norwell (Mass.).: Kluwer Academic Publisher, 1990. * Berlekamp, E.R.: Algebraic Coding Theory. Laguna Hills: Aegean Park Press, 1984.

7 KB (973 words) - 18:05, 19 July 2023
Examples of Communication Systems/Speech Coding
==Various speech coding methods== ...s for the GSM radio channel.  It is based on  "Linear Predictive Coding"  $\rm (LPC)$  in conjunction with  "Long Term Prediction"&n

30 KB (4,749 words) - 16:06, 20 February 2023
Mobile Communications/Similarities Between GSM and UMTS
...sion Multiple Access"), since here all participants use the same frequency channel. ...o;'''Intracell interference'''«  occurs when the same frequency channel is used by several users within the same cell.  In the shown example,

25 KB (4,044 words) - 16:28, 7 February 2023
Digital Signal Transmission/Redundancy-Free Coding
== Symbolwise coding vs. blockwise coding == In transmission coding,  a distinction is made between two fundamentally different methods:

26 KB (4,161 words) - 16:01, 23 January 2023
Channel Coding/Examples of Binary Block Codes
|Untermenü=Binary Block Codes for Channel Coding |Vorherige Seite=Channel Models and Decision Structures

25 KB (3,813 words) - 16:42, 23 January 2023
Information Theory/AWGN Channel Capacity for Discrete-Valued Input
|Vorherige Seite=AWGN Channel Capacity for Continuous Input ...N_Inf_T_4_3_S1a.png|right|frame|Two largely equivalent models for the AWGN channel ]]

37 KB (5,856 words) - 16:28, 28 February 2023
Channel Coding/Soft-in Soft-Out Decoder
The last main chapter of the channel coding book describes  »'''iterative decoding techniques'''«&nbsp *To approach the channel capacity,  one needs very long codes.

36 KB (5,613 words) - 18:21, 12 January 2023
Digital Signal Transmission/Block Coding with 4B3T Codes
In  '''block coding'''  each sequence of  $m_q$  binary source symbols  $(M The best known block code for transmission coding is the   '''4B3T code'''   with the code parameters

14 KB (2,235 words) - 17:19, 24 August 2022
Biographies and Bibliographies/Letters R - V
*Richardson, T.; Urbanke, R.: Modern Coding Theory. Cambridge University Press, 2008. *Roth, R. M.: Introduction to Coding Theory. Cambridge University Press, 2006.

7 KB (970 words) - 18:44, 19 July 2023
Digital Signal Transmission/Parameters of Digital Channel Models
|Untermenü=Digital Channel Models |Nächste Seite=Binary Symmetric Channel (BSC)

22 KB (3,417 words) - 14:01, 19 October 2022
Digital Signal Transmission/Symbolwise Coding with Pseudo-Ternary Codes
In symbolwise coding,  each incoming source symbol  $q_\nu$  generates an encoder Typical for symbolwise coding is that

15 KB (2,474 words) - 00:47, 23 March 2023
Mobile Communications/Characteristics of GSM
...divided by time division multiplexing  $\rm (TDMA)$.  Each FDMA channel is divided into TDMA frames, which each comprise  $N_{\rm T} = 8$&nbsp ...y the rate  $R_{\rm net} = 22.8 \ \rm kbit/s$.   Without channel coding, the data rate would be only  $13 \ \rm kbit/s$. 

17 KB (2,642 words) - 18:41, 20 February 2023
Channel Coding/Basics of Convolutional Coding
...lias $\text{Peter Elias}$]  [Eli55]<ref name='Eli55'>Elias, P.:  Coding for Noisy Channels.  In:  IRE Conv. Rec. Part 4, pp. 37-47, 1955. ...R algorithm}$]],  which can process reliability information about the channel   ⇒   "soft decision input"  and provide reliability in

17 KB (2,604 words) - 18:02, 7 December 2022
Biographies and Bibliographies/LNTwww members from LNT
...ant and expert for the books  "Information Theory" and  "Channel Coding".  ...29|Prof. Kramer]].   His research was mainly concerned with algebraic coding theory, and in particular with the properties of bivariate interpolation-ba

25 KB (3,806 words) - 12:43, 13 January 2022
Modulation Methods/Further OFDM Applications
*The effects of such a frequency-selective channel can be counteracted by extending the guard interval.  However,  o ...duration  $T_{\rm G}$,  there are narrow limits to the tolerable channel impulse response.

15 KB (2,350 words) - 18:36, 23 January 2023
Examples of Communication Systems/ISDN Basic Access
...ignaling channel"  resp.  "data channel"   ⇒   "D channel"  with  $\text{16 kbit/s}$. ⇒   A bearer channel is used for the transmission of user information  $($voice,  text

37 KB (6,055 words) - 18:39, 16 November 2022
Biographies and Bibliographies/Chair holders of the LNT since 1962
...g and information technology" whose numerous works in the field of network coding were of central importance for the further development of mobile communicat ...on Innovation Award for Research for his "seminal work" on information and coding theory.

10 KB (1,492 words) - 18:56, 18 April 2023
Channel Coding/Some Basics of Algebra
|Vorherige Seite=Information Theoretical Limits of Channel Coding *the error correction of such a code at the  »binary ersaure channel«   $\rm (BEC)$,

21 KB (3,210 words) - 16:09, 19 November 2022
Digital Signal Transmission/Optimal Receiver Strategies
*In this model,  any channel distortions are added to the transmitter and are thus already included in t ...for the necessary noise power limitation and – in the case of strong channel distortions – for sufficient pre-equalization of the resulting inters

23 KB (3,666 words) - 14:16, 11 July 2022
Theory of Stochastic Signals/Binomial Distribution
...; It allows the calculation of the residual error probability in blockwise coding. If one transmits blocks each of  $I =10$  binary symbols over a channel

9 KB (1,397 words) - 18:32, 7 February 2024