단말의 프로펄을 이용한 새로운 CDMA 소프트 핸드오프 알고리즘의 성능 분석

• 영문명: Performance Analysis of a Novel CDMA Soft Handoff Algorithm Using Mobile Terminal Profiles
• 발행기관: 한국시뮬레이션학회
• 저자명: 정다위(Da Wi Jeong) 조영종(Young Jong Cho) 최덕규(Dug Kvoo Choi)
• 간행물 정보: 『한국시뮬레이션학회 논문지』제7권 제2호, 153~165쪽, 전체 13쪽
• 주제분류: 공학 > 기타공학
• 파일형태: PDF
• 발행일자: 1998.12.31

영문 초록

In the IS-95 soft handoff scheme of CDMA, there occurs a tradeoff between improving quality due to the space diversity and additional resource management like updates of the active set during soft handoffs. In addition, if a mobile tenninal is alternating two adjacent cells, a well-known phenomenon called ping-ping causes the resource mgement to be seriously degraded. By noting that in general the probability that a user initiates additional handoffs is exponentially decreased as the user has already handed over one or more times, we present a soft handoff algorithm making use of handoff profiles of mobile terminals to improve resource utilization. In the proposed algorithm the number of handoffs made so far during the call is recorded in the mobile profile and the profile data is used for adjusting handoff parameters such as the value of add or drop threshold(T_ADD or T_DROP). Through simulations, the result of the proposed algorithm is shown to improve the handoff performance by lowering the number of handoffs while simultaneously reducing resource waste.

목차

1. 서론

2. 분석 모델

3. 소프트 핸드오프 알고리즘

4. 성능분석

5. 시뮬레이션과 결과 분석

6. 결론

참고문헌