Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 769)

APPENDIXES
Technical Appendixes
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WM_DEV_OAT_UGD_049 - 001 APPENDIXES August 23, 2007
Information about BCCH channel list
(this is an extract of GSM Rec.11.14)
Byte(s) Description Length
1 BCCH channel list tag 1
2 Length (X) of bytes following 1
3 to X+2 BCCH channel list X
8 BCCH channel list
Contents: the list of absolute RF channels for BCCH carriers, as known by the ME
from the SYSTEM INFORMATION messages. The BCCH channel list is composed of
one to three BCCH channel sub lists, each sub list is derived from the set of
frequencies defined by reference neighbor cells description information element or
elements. In the latter case the set is the union of the different subsets defined by the
neighbor cells description information elements (see TS 04.08 [8]). The length of the
BCCH channel list field depends on the length of the received BCCH channel list
derived from the different SYSTEM INFORMATION messages to be considered.
Coding: Each ARFCN (Absolute Radio Frequency Channel Number) is represented by
10 bits. Spare bit(s) are to be filled with 0.
Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1
Byte 1 ARFCN#1 (high part)
Byte 2 ARFCN#1 (low
part)
ARFCN#2 (high part)
Byte 3 ARFCN#2 (low part) ARFCN#3 (high part)
… …
Byte X-
1
ARFCN#m-1 (low part) ARFCN#m (high part)
Byte X ARFCN#m (low part) Spare
bit (0)
Spare
bit(0)