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Extra resources for Aero Shortwave Radio Transmitter
On the BSC level, only BSCs near the epicenter are affected, climbing to rates of 3% up to 5%. As described above, the CSSR is triggered, and a degradation from 97% to 92% occurs on the day before and the day after. On the BSC level, only BSCs near the epicenter are affected, climbing to rates of 70 to 85%. 17 HOSR in low congestive situation. 18 SDCCH BR in low congestive situation. and the day after, at the same time). Moreover, on the BSC level, the results are even more persuasive for the chain effect phenomenon.
3 Dynamic Allocation of Signaling Resources The SDCCH is always used when a traffic channel has not been assigned and is allocated to a mobile station only as long as control information is being transmitted. It is used in case of a call set up, before allocating a traffic channel. Moreover, SDCCH signaling is used also for SMS service, location area updates, as well as authentication. Under certain situations like demonstrations and places like airports, ports, and other hot spots, congestion occurs mainly in the SDCCH signaling resources.
Before the radio network recovery management initiates a forced handover, the decision should be based on the measurement results reported by the MS/BTS and on the various parameters set for each cell, as in a normal handover process. On the other hand, the forced handover technique will probably cause an extra load in signaling on the Abis interfaces of the relevant BSC. Generally the handover procedure increases the DCR, which is a very important performance indicator. 1 Resource Management Technique Parameters The forced handover can be applied to the whole cell, which means that all ongoing calls will be transferred to adjacent cells, if there is cell overlapping and adequate resources.