Knowledge

Packet Data Convergence Protocol

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Different header formats are defined, dependent on the type of data to be transported. In LTE, there are e.g. header formats for Control Plane PDCP Data
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it will send the IP Packets without compression; otherwise it will compress the packets according to its configuration by upper layer and attach a
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with long PDCP SN (12 bits), for User plane PDCP Data PDU with short PDCP SN (7 bits) and others.
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or to the relay at the base station. The following services are provided by PDCP to upper layers:
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The header compression technique can be based on either IP header compression (RFC 2507) or
8: 102: 44: 55: 170: 146: 122: 205: 198: 59: 231: 215: 40: 39:. PDCP is located in the Radio Protocol Stack in the UMTS/LTE/5G 28: 24: 36: 213: 214: 222:Mobile telecommunications standards 13: 54:and user plane upper layers, e.g. 50:PDCP provides its services to the 14: 248: 191: 17:Packet Data Convergence Protocol 69:transfer of control plane data; 163: 139: 115: 1: 108: 98:header and send the packet. 66:transfer of user plane data; 7: 10: 253: 208:Robust Header Compression 84:Robust Header Compression 237:5G (telecommunication) 201:IP header compression 78:integrity protection. 72:header compression; 90:is configured for 35:and TS 38.323 for 23:) is specified by 27:in TS 25.323 for 244: 185: 184: 182: 181: 167: 161: 160: 158: 157: 143: 137: 136: 134: 133: 119: 31:, TS 36.323 for 252: 251: 247: 246: 245: 243: 242: 241: 212: 211: 194: 189: 188: 179: 177: 169: 168: 164: 155: 153: 145: 144: 140: 131: 129: 121: 120: 116: 111: 86:(RFC 3095). If 12: 11: 5: 250: 240: 239: 234: 229: 227:3GPP standards 224: 210: 209: 202: 193: 192:External links 190: 187: 186: 162: 138: 113: 112: 110: 107: 92:No Compression 80: 79: 76: 73: 70: 67: 43:on top of the 9: 6: 4: 3: 2: 249: 238: 235: 233: 230: 228: 225: 223: 220: 219: 217: 207: 203: 200: 196: 195: 176: 172: 166: 152: 148: 142: 128: 124: 118: 114: 106: 104: 99: 97: 93: 89: 85: 77: 74: 71: 68: 65: 64: 63: 61: 57: 53: 48: 46: 42: 41:air interface 38: 34: 30: 26: 22: 18: 178:. Retrieved 175:www.3gpp.org 174: 165: 154:. Retrieved 151:www.3gpp.org 150: 141: 130:. Retrieved 127:www.3gpp.org 126: 117: 100: 95: 91: 87: 81: 49: 20: 16: 15: 171:"TS 38.323" 147:"TS 36.323" 123:"TS 25.323" 216:Categories 180:2019-03-14 156:2019-03-14 132:2019-03-14 109:References 75:ciphering; 204:RFC  197:RFC  58:at the 47:layer. 232:UMTS 206:3095 199:2507 96:PDCP 88:PDCP 29:UMTS 25:3GPP 21:PDCP 103:PDU 52:RRC 45:RLC 33:LTE 218:: 173:. 149:. 125:. 60:UE 56:IP 37:5G 183:. 159:. 135:. 19:(

Index

3GPP
UMTS
LTE
5G
air interface
RLC
RRC
IP
UE
Robust Header Compression
PDU
"TS 25.323"
"TS 36.323"
"TS 38.323"
2507
3095
Categories
Mobile telecommunications standards
3GPP standards
UMTS
5G (telecommunication)

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