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Introduction | |
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Wireless World Picture | |
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About technologies | |
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Heterogeneous 2G systems | |
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"MAP" and "IS-41" systems | |
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The MAP technologies | |
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The IS-41 technologies | |
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Standards and Organizations | |
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The role of ITU | |
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3G Cross country standardization bodies | |
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The structure of 3GPP | |
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The NGN evolution | |
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The NGMN initiative | |
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Spectrum | |
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The evolution of UMTS | |
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Links and documents | |
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Useful Web sites | |
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Evolved UMTS specifications | |
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Evolved UMTS overview | |
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The Access Network requirements | |
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Radio interface throughput | |
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Data transmission latency | |
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Terminal state transition | |
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Mobility | |
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Spectrum flexibility | |
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Co-existence and inter-working with existing UMTS | |
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Evolved UMTS concepts | |
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A packet-only architecture | |
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A shared radio interface | |
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Other access technologies | |
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Overall Evolved UMTS architecture | |
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E-UTRAN: the Evolved Access Network | |
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EPC: the Evolved Packet Core Network | |
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The HSS | |
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The IMS subsystem | |
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The Session Control Function | |
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The Media Gateway nodes | |
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Policy Control and Charging | |
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Policy Control in UMTS | |
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Evolved UMTS Policy Control | |
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The Charging architecture | |
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The terminal | |
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The user device architecture | |
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Terminal capabilities | |
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The subscriber module | |
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The Evolved UMTS interfaces | |
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Major disruptions with 3G UTRAN-FDD networks | |
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About Soft Handover | |
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About Compressed Mode | |
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About dedicated channels | |
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Physical Layer of E-UTRAN | |
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Basic concepts of evolved 3G radio interface | |
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OFDM (Orthogonal Frequency Division Multiplex) | |
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Multiple access in OFDM systems | |
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OFDMA | |
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MC-CDMA | |
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Common points between OFDM, CDMA, MC-CDMA ... | |
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Frequency stability considerations for OFDM systems | |
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System load in OFDMA system. | |
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SC-FDMA: The PAPR (Peak-Average-Power-Ratio) problem | |
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Dimensioning an OFDM system | |
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MIMO (Multiple Input Multiple Output). | |
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Traditional beamforming | |
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MIMO Channel and Capacity | |
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A simplified view of MIMO | |
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The harmonious coupling between OFDM and MIMO | |
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MIMO: A classification attempt | |
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Some classical open loop MIMO schemes | |
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Notions of Cyclic Delay Diversity (CDD) | |
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MIMO schemes and link adaptation | |
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Improving MIMO with some feedback | |
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MU-MIMO, Virtual MIMO and transmit diversity | |
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Toward a Generalized downlink scheme | |
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Architecture of the base station | |
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The block scheme of the base station | |
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The analogue-to-digital conversion | |
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Power amplification (PA) basics | |
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Cellular antennas basics | |
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The E-UTRAN physical layer standard | |
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The proposed concepts for E-UTRAN | |
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FDD and TDD arrangement for E-UTRAN | |
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A | |