Name
Abstract | ||
|---|---|---|
Cell search is the procedure by which a mobile terminal acquires time and frequency synchronization to the network and detects a cell identity. In this paper, we give a non-hierarchical scheme for OFDM systems, where cell-specific signals are concurrently used for synchronization and cell identification. By using time-domain symmetric signals, the symbol timing is accurately found by a reverse differential correlator. Once the timing is established and frequency offsets are estimated, detection of the transmitted synchronization sequence is done non-coherently by means of a differential decoder. The frame timing is obtained by letting different synchronization signals represent elements of cyclically unique codewords over a radio frame. The scheme can convey large amount of cell identities and numerical results show that it is robust to frequency offsets. |
Year | DOI | Venue |
|---|---|---|
2007 | 10.1109/WCNC.2007.430 | 2007 IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-9 |
Keywords | Field | DocType |
frequency offset,intrusion detection,signal generators,ofdm,ofdm modulation,time domain,synchronisation,bandwidth,correlators,decoding | Mobile radio,Synchronization,Computer science,Frame synchronization,Real-time computing,Decoding methods,Cell search,Frame synchronization (video),Orthogonal frequency-division multiplexing | Conference |
ISSN | Citations | PageRank |
1525-3511 | 5 | 0.58 |
References | Authors | |
6 | 2 | |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Fredrik Berggren | 1 | 292 | 28.16 |
| Branislav M. Popovic | 2 | 96 | 17.13 |