By Erik Dahlman
Reflecting the new final touch of LTE's specification, the hot version of this bestseller has been absolutely up to date to supply an entire photo of the LTE procedure. the most recent LTE criteria are integrated at the radio interface structure, the actual layer, entry methods, MBMS, including 3 fresh chapters on LTE Transmission approaches, versatile Bandwidth in LTE and LTE evolution into IMT-Advanced.
Key applied sciences awarded contain multi-carrier transmission, complex single-carrier transmission, complex receivers, OFDM, MIMO and adaptive antenna options, complicated radio source administration and protocols, and diversified radio community architectures. Their function and use within the context of cellular broadband entry quite often is defined. either a high-level evaluate and extra targeted step by step reasons of HSPA and LTE implementation are given. an summary of alternative comparable platforms resembling TD SCDMA, CDMA2000, and WiMAX is additionally provided.
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Extra info for 3G Evolution. HSPA and LTE for Mobile Broadband
14. Change of serving cell for HSPA. It is assumed that both the source and target NodeB are part of the active set. 15. The principle of two-stage rate matching. 16. An example of the generation of different redundancy versions in the case of IR. The numbers indicate the number of bits after the different stages using the example case in the text. 17. The channel interleaver for the HS-DSCH. The shaded parts are only used for 16QAM. Colors illustrate the mapping order for a sequence of 4 bits, where a bar on top of the figure denotes bit inversion.
32. Timing relation for downlink control channels, 2 ms TTI. 33. E-DPCCH coding. 1. Example of MBMS services. Different services are provided in different areas using broadcast in cells 1–4. In cell 5, unicast is used as there is only single user subscribing to the MBMS service. 2. Example of typical phases during an MBMS session. The dashed phases are only used in case of multicast and not for broadcast. 3. The gain with soft combining and multi-cell reception in terms of coverage vs. power for 64 kbit/s MBMS service (vehicular A, 3 km/h, 80 ms TTI, single receive antenna, no transmit diversity, 1% BLER).
2. Example of inter-cell interference coordination. 3. Frequency- and time-division duplex. 1. LTE protocol architecture (downlink). 2. RLC segmentation and concatenation. 3. Downlink channel mapping. 4. Uplink channel mapping. 5. Transport-format selection in (a) downlink and (b) uplink. 6. Multiple parallel hybrid-ARQ processes. 7. Simplified physical-layer processing for DL-SCH. 8. LTE states. 9. Example of LTE data flow. 1. LTE high-level time-domain structure. 2. Uplink/downlink time/frequency structure in case of FDD and TDD.