| Author | Kamolthip Libvanich |
| Call Number | AIT Thesis no. TC-94-5 |
| Subject(s) | Mobile communication systems
|
| Note | A thesis submitted in partial fulfillment of the requirement for the degree of Master of
Engineering, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Abstract | This thesis presents a novel one-persistent idle signal-casting spread spectrum with
overload detection protocol (IP-ICSS/OD) for CDMA cellular networks. It is based on the
modification of an existing narrowband scheme, i.e. one persistent signal-casting multiple access
with collision detection (IP-ICMA/CD), to work in CDMA systems. However, the more efficient
CDMA packet access strategy, named as one persistent carrier sense spread spectrum with
overload detection (lP-CSSS/OD), has already been proposed but for optical LAN networks.
Consequently,' in this study the model of lP-ICSS/OD is analysed as the combination of lPICMNCD and lP-CSSS/OD protocols. The new packet CDMA approach is evaluated in various
voice radio channels. A comparative evaluation of the competing access techniques and the novel
protocol are exercised with an example voice traffic model under multiple-access interference
assumption. The results demonstrate the throughput and delay performance in terms of the
number of active mobile terminals. Finally, These are used to identify the system offered capacity
while maintaining an acceptable voice performance. It is shown the capacity gain of lP-ICSS/OD
over the existing protocols in a DS/SSMA system. |
| Year | 1994 |
| Type | Thesis |
| School | School of Engineering and Technology (SET) |
| Department | Other Field of Studies (No Department) |
| Academic Program/FoS | Telecommunications (TC) |
| Chairperson(s) | O'Farrell, Timothy ;Erke, Tapio J.
|
| Examination Committee(s) | Makelainen, Kimmo ;Kolkki, Raimo
|
| Scholarship Donor(s) | Nokia Telecommunications |
| Degree | Thesis (M.Eng.) - Asian Institute of Technology, 1994 |