... trans-ceiver (TRX) for transmission and reception of voice and data, themobile also performs a number of very demanding tasks such asauthentication, handover, encoding and channel encoding.The base ... specified, and are used for signaling. In the GSM Recommendations, they arecalled stand-alone dedicated control channels (SDCCH).17Pocket Guide for Fundamentals and GSM Testing Publisher: Wandel ... BSC and BTS:± Traffic channels (TCH): Can be configured in 8, 16 and 64 kbit/sformats and transport user data,24± Signaling channels: Can be configured in 16, 32, 56 and 64 kbit/sformats and...