Huawei MS2131 - Page 28

MS2131
Hardware Design Guide
MS2131 Power Design Guide
Issue 02 (2017-1-13)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
27
Figure 7-1 GSM working principle
For GPRS mode, the uplink transmission occurs in two or more than two continuous slots, as
shown in Figure 7-2.
Figure 7-2 GPRS working principle
In GSM mode, the MS2131 power transmission occurs in cycles and has transient changes
during each transmission, as shown in Figure 7-3.
577uS
577uS
577uS x 8 slot
4.61ms
4.61ms
4.61ms
Power
Max 33dBm
577uS
577uS x 8 slot
4.61ms
4.61ms
4.61ms
Power
1.15ms
Max 30dBm