name: STD
full_form: Selective Transmit Diversity
context: In the case that after link establishment there are no transport blocks provided for transmission by higher layers for a given CCTrCH mapped to UL DPCH, DL DPCH, PUSCH or PDSCH physical channels, then a Special Burst shall be transmitted in the first allocated frame of the transmission pause. If, including the first frame, there is a consecutive period of Special Burst Period (SBP) frames without transport blocks provided by higher layers, then another special burst shall be generated and transmitted at the next possible frame. This pattern shall be continued until transport blocks are provided for the CCTrCH by the higher layers. SBP shall be provided by higher layers. The value of SBP shall be independently specified for uplink and for downlink and shall be designated as SBGP (special burst generation period) for uplink transmissions SBSP (special burst scheduling parameter) for downlink transmissions The default value for both SBGP and SBSP shall be 8. The Special Burst shall be
description: Selective Transmit Diversity (STD) is a technology used in telecommunications to improve transmission performance. 
explanation: The text describes STD as a technology used to enhance transmission performance, placing it within the realm of technological advancements in telecommunications.
section_title: 2	References
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biotag_Description: B-Technology,I-Technology,I-Technology,O,O,O,O,O,O,O,O,O,O,O