Dynamic code reservation multiple access for supporting various-bit-rate integrated traffics in slotted DS-CDMA systems
✍ Scribed by E.-H. Jeong; A.-R. Khil; M.-K. Kim; S.-R. Maeng
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 459 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0140-3664
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✦ Synopsis
Recently, several works have been proposed for media access control protocols which are based on slotted direct-sequence code-division multiple-access and support integrated traffics. In this paper, we propose dynamic code reservation multiple access (DCRMA) which can enhance the previous works. DCRMA extends a minislot technique to the integrated traffic environment and supports connection-oriented and connectionless traffic with various bit rates. Additionally, DCRMA develops a simultaneous transmission scheme to reduce average message transmission delay for connectionless traffic. Packet dropping probability is analyzed for connection-oriented traffic with various bit rates using an embedded Markov chain model. Simulations are also performed to further investigate the integration of connection-oriented and connectionless traffics.