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- |Vorherige Seite=Error Probability of Direct-Sequence Spread Spectrum Modulation |Nächste Seite=Implementation of OFDM Systems18 KB (2,900 words) - 18:31, 23 January 2023
- |Vorherige Seite=The Application of OFDMA and SC-FDMA in LTE |Nächste Seite=LTE-Advanced - a Further Development of LTE22 KB (3,513 words) - 15:52, 20 February 2023
- ...m shows a simplified block diagram, where the prefix used for equalization of the channel frequency response ...ccupied with the QAM symbols $D_k$ . Because of the reservation of the lowest frequencies for ISDN and for upstream $D_0 =$ ... $= D_{637 KB (1,076 words) - 19:37, 25 March 2023
- Due to the orthogonality of cosine and (minus) sine, two data streams can be transmit ...rm I$ and $\rm Q$–components; signal space for $\text{16-QAM}$]]27 KB (4,342 words) - 15:50, 13 January 2023
- The xDSL specifications give operators a great deal of freedom with regard to allocation. For the necessary directional separation of the xDSL signal transmission according to35 KB (5,461 words) - 17:05, 24 April 2023
- |Vorherige Seite=Technical Innovations of LTE ...UMTS$]], Long Term Evolution $\rm (LTE)$ uses a variant of the OFDM concept also used by [https://en.wikipedia.org/wiki/Wireless21 KB (3,302 words) - 19:15, 9 February 2023
- |Nächste Seite=Some Basics of Algebra *code words of length $n$,27 KB (4,255 words) - 12:12, 22 November 2022
- |Untermenü=Mobile Radio Systems of the 2nd and 3rd Generation - an Overview |Vorherige Seite=Characteristics of GSM21 KB (3,247 words) - 18:44, 20 February 2023
- |Vorherige Seite=General Description of OFDM #In principle, DFT and IDFT have the same structure.33 KB (5,069 words) - 18:05, 11 March 2023
- The following figure shows a possible structure of a transmission system: [[File:EN_Sig_T_4_3_S1.png|right|frame|Block diagram of a band-pass transmission system]]35 KB (5,623 words) - 16:11, 21 June 2023
- ...he input and output and the stochastic noise $N$ as the result of a mean-free Gaussian random process ⇒ "white noise" with *With the transmission power $P_X = σ_X^2$ ⇒ variance of the random variable $X$, the channel capacity equation is:37 KB (5,856 words) - 16:28, 28 February 2023
- |Vorherige Seite=Influence of Noise on Systems with Angle Modulation == # OVERVIEW OF THE FOURTH MAIN CHAPTER # ==44 KB (7,142 words) - 15:29, 23 January 2023
- ...ignal $c(t)$ corresponds to the bit duration $T_q$ of the source signal, which is assumed to be binary and redundancy-free. ... of bit duration $T_q$ is assigned a one-to-one sequence of $m_c$ encoder symbols from an alphabet with encoder symbol se26 KB (4,161 words) - 16:01, 23 January 2023
- |Nächste Seite=General Description of GSM ==Transmission properties of copper cables ==36 KB (5,652 words) - 16:31, 24 April 2023
- ==Properties of non-linear modulation methods== ...ear modulation method'''« is present if any linear combination of signals at modulator input leads to a corresponding linear combination at i28 KB (4,482 words) - 16:21, 17 January 2023