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| LEADER |
03830nam a2200337a 44500 |
| 001 |
UBP13947 |
| 003 |
AR-CdUBP |
| 005 |
20220310161042.0 |
| 008 |
110516s2006 ge a g 001 eng d |
| 040 |
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|a AR-CdUBP
|b spa
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| 041 |
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|a eng
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| 100 |
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|a Kruger, Reinhold
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| 245 |
1 |
0 |
|a UMTS :
|b introduction and measurement /
|c Reinhold Kruger, Heinz Mellein.
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| 250 |
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|a 3rd. ed.
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| 260 |
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|a Munchen :
|b Rohde & Schwarz,
|c 2006.
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| 300 |
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|a 275 p. ;
|c 24 cm.
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| 504 |
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|a Bibliografía: p. 247-248.
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| 505 |
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|a I. Code multiplexing in mobile radio. 1. The mobile radio marketplace. 1.1. The historical development of mobile communications. 1.2. The IMT2000 project. -- 2. Multiplexing techniques. 2.1. Access to the "radio" transmission medium. 2.2. Multiple access. 2.3. Channel definition. -- 3. Spread spectrum technology. 3.1. The maximum channel capacity according to Shannon-Hartley. 3.2. Signal spreading. 3.3. Characteristics of spread spectrum signals. 3.4. Alternative spread-spectrum techniques. 3.5. The complete spreading process. - 4. Orthogonal codes. 4.1. The basci principle of orthogonality. 4.2. Generation of orthogonal codes. -- 5. Correlation. 5.1. Coincidence or similarity? 5.2. The autocorrelation function (ACF) 5.3. The crosscorrelation function (CCF) 5.4. Correlation characteristics of the OVSFs in UMTS. 5.5. The correlator as a CDMA receiver. -- 6. Scrambling. 6.1. Reasons for scrambling. 6.2. Generation of PN sequences. 6.3. Scrambling sequences in UMTS. -- 7. CDMA signal synthesis in UMTS. 7.1. Generation of an uplink code channel. 7.2. Generation of a downlink code channel. 7.3. QPSK modulation. -- II. The WCDMA air interface. 1. Directional separation of the uplink and downlink. 1.1. TDD - Half-duplex time division duplexing. 1.2. FDD - Full-duplex frequency division duplexing. - 2. Channel types on the WCDMA air interface. 2.1. Frequency channels. 2.2. Communication on the lower protocol layers. 2.3. Logical channels. 2.4. Transport channels. 2.5. Physical channels. 2.6. Radio frames and time slots. 2.7. Time slot formats. 2.8. Transport channel encoding and channel multiplexing. -- 3. Synchronization between the UE and Node B. 3.1. Cell searching. 3.2. Cell and network selection criteria. -- 4. Transmit power control. 4.1. The need for transmit power control. 4.2. Transmit power control based on closed loop control. 4.3. Transmit power control based on open loop control. - 5. Establishing a connection. 5.1. Initial radio network access. 5.2. Compressed mode. - 6. Handovers. 6.1. The purpose of a handover. 6.2. Preparing for and controlling the handover procedure. 6.3. Hard and soft handovers. -- III. WCDMA Test equipment. 1. Introduction to WCDMA test equipment. 1.1. Basic principles of tests on a base station. 1.2. Basic principles of tests on a mobile station. 1.3. Definition of reference measurement channels. -- 2. Transmitter measurements. 2.1. Modulation analysis. 2.2. Spectral transmit power measurements. 2.3. Power mesurements in the time domain. 2.4. Power measurements in the code domain. 2.5. Measurements relating to transmit power control. 2.6. Transmitter measurements in actual practice. -- Receiver measurements. 3.1. Evaluating WCDMA receivers. 32. Causes of bit errors and block errors. 3.3. Bit errors on the AWGN channel. 3.4. Fading on the mobile radio channel. 3.5. Receiver measurements in actual practice.
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| 520 |
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|a Presenta una introducción a UMTS, sus principios básicos y técnicas de testeo.
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| 650 |
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4 |
|a UMTS
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| 650 |
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4 |
|a TELEFONIA CELULAR
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| 650 |
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4 |
|a COMUNICACIONES MOVILES
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| 650 |
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4 |
|a WCDMA
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| 653 |
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|a TELECOMUNICACIONES
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| 700 |
1 |
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|a Mellein, Heinz
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| 930 |
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|a TELECOMUNICACIONES
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| 931 |
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|a 13947
|b UBP
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| 942 |
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|2 cdu
|c BK
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| 945 |
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|a NNM
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| 984 |
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|a 621.396.94
|b K939
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| 999 |
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|c 28951
|d 28951
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