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</o:shapelayout></xml><![endif]--></head><body lang=FR-CA link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Bhargava,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>This answer only applies to platforms that use the NuRAN PHY (SuperFemto, LiteCell 1.x, ...).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt'><span lang=EN-US>1.</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>For 11 bit RACH, in PH-RA-IND sent from layer 1.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>Whether ‘u8Size’ will be 2 in case of 11 bit RACH ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA>[YGOD] Yes it will.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US><o:p> </o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>What is the alignment of 11 bits inside ‘u8Buffer ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA>[YGOD] Data is packed LSB first</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt'><span lang=EN-US>2.</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>How osmo-bts can distinguish between types of 11 bit RACH based on received layer 1 message ? (spec 44.060 section 11.2.5a)<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>is burst type GsmL1_BurstType_Access_0 equivalent to GPRS_8_BIT_RACH/ GPRS_11_BIT_RACH<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>is burst type GsmL1_BurstType_Access_1 equivalent to EGPRS_8_PSK_11_BIT_RACH<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>is burst type GsmL1_BurstType_Access_2 equivalent to EGPRS_NO_8_PSK_11_BIT_RACH<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>[YGOD] Yes, you are correct. </span><span lang=EN-US>GsmL1_BurstType_Access_0 is for the “normal” access bursts, GsmL1_BurstType_Access_1 is for TS1 and GsmL1_BurstType_Access_2 is for TS2.</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Best Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Yves<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> osmocom-net-gprs [mailto:osmocom-net-gprs-bounces@lists.osmocom.org] <b>De la part de</b> Bhargava Abhyankar<br><b>Envoyé :</b> March-22-16 10:53 AM<br><b>À :</b> osmocom-net-gprs@lists.osmocom.org<br><b>Objet :</b> Queries regarding L1 interface to osmo-bts for 11 bit RACH<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Hello,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> We have planned to support 11 bit RACH in osmo-pcu and osmo-bts. In this regard, we have a query related to layer 1 to osmo-bts interface, as described below.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt'><span lang=EN-US>1.</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>For 11 bit RACH, in PH-RA-IND sent from layer 1.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>Whether ‘u8Size’ will be 2 in case of 11 bit RACH ?<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>What is the alignment of 11 bits inside ‘u8Buffer ?<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt'><span lang=EN-US>2.</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>How osmo-bts can distinguish between types of 11 bit RACH based on received layer 1 message ? (spec 44.060 section 11.2.5a)<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>is burst type GsmL1_BurstType_Access_0 equivalent to GPRS_8_BIT_RACH/ GPRS_11_BIT_RACH<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>is burst type GsmL1_BurstType_Access_1 equivalent to EGPRS_8_PSK_11_BIT_RACH<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt'><span lang=EN-US style='font-family:Symbol'>·</span><span lang=EN-US style='font-size:7.0pt;font-family:"Times New Roman","serif"'> </span><span lang=EN-US>is burst type GsmL1_BurstType_Access_2 equivalent to EGPRS_NO_8_PSK_11_BIT_RACH<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Bhargava Abhyankar<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:108.0pt'><span lang=EN-US><o:p> </o:p></span></p></div></div></body></html>