文档介绍：28 IEEE TRANSACTIONS ON MUNICATIONS, VOL. 1, NO. 1, JANUARY 2002
Performance and Implementation of Dynamic
Frequency Hopping in Limited-Bandwidth
Cellular Systems
Zoran Kostic´, Senior Member, IEEE and Nelson Sollenberger, Fellow, IEEE
Abstract—We evaluate the performance of recently proposed the benefits of frequency diversity and interference averaging.
dynamic frequency hopping (DFH) when applied to cellular sys- Capacity improvements obtained by RFH in GSM are in the
tems with a limited total bandwidth. We also illustrate a practical range of 30%–100%. Recent theoretical and simulation studies
implementation for DFH deployment work-assisted re-
source allocation (NARA). The performance evaluation is - indicate that significant performance improvements can be
plished by system-level simulations of a system with 12 carriers and obtained by taking advantage of bination of frequency
1/1 frequency reuse, based on the pact specification. hopping and interference avoidance techniques called dynamic
Voice-only circuit-switched operation is assumed. Fading channel, frequency hopping (DFH) [4]. The key concept of DFH is to ad-
multicell interference, voice activity, and antenna sectorization are just or build frequency hopping patterns based on interference
modeled. We present the performance of dynamic frequency hop-
pared to random frequency hopping and fixed ch