Abstract
Current CDMA systems suffer from both multiple access interference (MAI) and inter-symbol interference (ISI). MAI is due to the non-zero cross-correlation side lobes, while ISI is due to the non-zero auto-correlation side lobes. Recently, the use of codes that are interference free over a window has been proposed. The problem with these codes is that their capacity is limited due to dimension limitation. This paper establishes upper bounds on the access code efficiency for signals with an interference free window.
| Original language | English |
|---|---|
| Pages (from-to) | 1148-1152 |
| Number of pages | 5 |
| Journal | IEEE Vehicular Technology Conference |
| Volume | 57 |
| Issue number | 2 |
| Publication status | Published - 2003 |
| Externally published | Yes |
| Event | 57th IEEE Semiannual Vehicular Technology Conference (VTC2003) - Jeju, Korea, Republic of Duration: 22 Apr 2003 → 25 Apr 2003 |