Control Channel Element (36.213 §9)
Resource grid (S.Dhagle)
3GPP Specification Release version matrix
USIM 31.102
ISIM 31.103
CSIM : 3GPP2 C.S0065
| SIB | Description | Comment |
|---|---|---|
| MIB | Downlink channel bandwidth, PHICH config | SFN |
| 1 | PLMN, TAC, Cell Id, access restrictions, q-RxLevMin, frequency band, MFBI | Scheduling of other SIBs |
| 1 BR | Bandwidth Reduced, limited channel bandwidth of 6 PRBs | eMTC (enhanced Machine Type Communications) |
| 2 | Common radio resource config, access class barring, MBSFN config | UL frequency and bandwidth |
| 3 | Cell re-selection common information | |
| 4 | Cell re-selection information for intra-frequency neighbouring cells | Black cell list |
| 5 | Cell re-selection information for inter-frequency neighbouring cells | |
| 6 | Cell re-selection information for UTRA | |
| 7 | Cell re-selection information for GERAN | |
| 8 | Cell re-selection information for CDMA2000 | |
| 9 | Home eNodeB name | |
| 10 | ETWS (Earthquake and Tsunami Warning System) | Primary notification |
| 11 | ETWS | Secondary notification |
| 12 | CMAS (Commercial Mobile Alert Service) notification | |
| 13 | MBMS control information associated with one or more MBSFN areas | |
| 14 | EAB (Extended access class barring) parameters | |
| 15 | MBMS Service Area Identities (SAI), neighbouring carrier frequencies | |
| 16 | GPS time and Coordinated Universal Time (UTC) | |
| 17 | Traffic steering between E-UTRAN and WLAN | |
| 18 | Sidelink UE information, sidelink direct communication related resource | |
| 19 | Sidelink UE information, sidelink direct discovery related resource | |
| 20 | Control information associated transmission of MBMS using SC-PTM | |
| 21 | V2X common configuration | |
| 22 | Narrow Band cell re-selection | |
| 23 | Narrow Band | |
| 24 | NR carrier carrier frequency list | |
| 25 | NAS : UAC (Unified Access Control) | |
| 26 | V2X frequency selection | |
| 27 | Inter-RAT assistance information about NB-IoT frequencies for cell selection | |
| 28 | NR sidelink communication configuration | |
| 29 | Common resource reservation, e.g. for coexistence with NR |
Policy and charging control architecture
| QCI | Traffic Class | Priority | Packet delay budget |
Packet error loss rate |
Resource type | Example Services |
|---|---|---|---|---|---|---|
| 1 | Conversational | 2 | 100 ms | 10-2 | GBR | Conversational Voice |
| 2 | Conversational | 4 | 150 ms | 10-3 | GBR | Conversational Video (Live Streaming) |
| 3 | Streaming | 3 | 50 ms | 10-3 | GBR | Real Time Gaming V2X messages Electricity distribution - medium voltage Process automation - monitoring |
| 4 | Streaming | 5 | 300 ms | 10-6 | GBR | Non-Conversational Video (Buffered Streaming) |
| 65 | 0.7 | 75 ms | 10-2 | GBR | Mission Critical user plane Push To Talk voice (e.g., MC-PTT) |
|
| 66 | 2 | 100 ms | 10-2 | GBR | Non-Mission-Critical user plane Push To Talk voice | |
| 67 | 1.5 | 100 ms | 10-3 | GBR | Mission Critical Video user plane | |
| 75 | 2.5 | 50 ms | 10-2 | GBR | V2X messages | |
| 71 | 5.6 | 150 ms | 10-6 | GBR | "Live" Uplink Streaming (e.g. TS 26.238) | |
| 72 | 5.6 | 300 ms | 10-4 | GBR | "Live" Uplink Streaming (e.g. TS 26.238) | |
| 73 | 5.6 | 300 ms | 10-8 | GBR | "Live" Uplink Streaming (e.g. TS 26.238) | |
| 74 | 5.6 | 500 ms | 10-8 | GBR | "Live" Uplink Streaming (e.g. TS 26.238) | |
| 76 | 5.6 | 500 ms | 10-4 | GBR | "Live" Uplink Streaming (e.g. TS 26.238) | |
| 5 | Interactive | 1 | 100 ms | 10-6 | Non-GBR | IMS Signalling |
| 6 | Interactive | 6 | 300 ms | 10-6 | Non-GBR | Video (Buffered Streaming) TCP-based (e.g., www, e-mail, chat, ftp, p2p file sharing, progressive video, etc.) and any service that can be used over satellite access with these characteristics |
| 7 | Interactive | 7 | 100 ms | 10-3 | Non-GBR | Voice, Video (Live Streaming) Interactive Gaming |
| 8 | Interactive | 8 | 300 ms | 10-6 | Non-GBR | Video (Buffered Streaming) TCP-based (e.g., www, e-mail, chat, ftp, p2p file sharing, progressive video, etc.) |
| 9 | Background | 9 | 300 ms | 10-6 | Non-GBR | |
| 10 | Background | 9 | 1100 ms | 10-6 | Non-GBR | Video (Buffered Streaming) TCP-based (e.g. www, e-mail, chat, ftp, p2p file sharing, progressive video, etc.) and any service that can be used over satellite access with these characteristics |
| 69 | 0.5 | 60 ms | 10-6 | Non-GBR | Mission Critical delay sensitive signalling (e.g., MC-PTT signalling, MC Video signalling) |
|
| 70 | 5.5 | 200 ms | 10-6 | Non-GBR | Mission Critical Data (e.g. example services are the same as QCI 6/8/9) |
|
| 79 | 6.5 | 50 ms | 10-2 | Non-GBR | V2X messages | |
| 80 | 6.8 | 10 ms | 10-6 | Non-GBR | Low latency eMBB applications (TCP/UDP-based) Augmented Reality |
A device receives a timing advance command from the network and adjusts uplink timing for PUCCH / PUSCH / SRS transmission
Basic time unit : Ts = 1 / (15000 x 2048) seconds
Radio frame duration : Tf = (150 x 2048) x Ts = 307200 x Ts = 10 ms
NTA = timing offset between uplink and downlink radio frames at the UE, expressed in units of Ts
Distance between a device and the network antenna :
A timing advance of one Ts is equivalent to a distance of (3 x 108 x 1 / (15000 x 2048)) / 2 = 4.89 m
Distance = propagation speed (light speed) x one Ts delay / 2 (downlink path + uplink path)
Initial absolute Random Access Response MAC payload (11 bits) TA range = 0, 1, 2,..., 1282
Random Access Response NTA = TA x 16. Timing adjustment is always positive
Example : TA = 1 then NTA = 1 x 16 Ts. Distance equals 16 x 4.89 m = 78.12 m
Distance maximum between a device and the network antenna = 1282 x 78.12 m = 100.156 km (62.23 mi)
Periodic relative Timing Advance Command MAC Control Element (6 bits) TA range = 0, 1, 2,..., 63
Timing Advance Command NTA,new = NTA,old + (TA - 31) x 16. Timing adjustment can be negative, null or positive
Example : TA = 30 then NTA,new = NTA,old + (30 - 31) x 16 Ts = NTA,old - 1 x 16 Ts. Distance variation equals -1 x 16 x 4.89 m = - 78.12 m
Distance variation maximum = - 31 x 16 x 4.89 m = - 2.42 km or + 32 x 16 x 4.89 m = + 2.5 km (1.55 mi)
TAdvType1 = eNB Rx–Tx time difference + UE Rx–Tx time difference
TAdvType2 = eNB Rx–Tx time difference
eNB Rx–Tx time difference = eNb processing delay
UE Rx–Tx time difference = DL propagation delay + UE processing delay + UL propagation delay
TAdvType1 = eNb processing delay + (DL+UL) propagation delay + UE processing delay
TAdvType2 = eNb processing delay
36.455 LPPa TAdvType1 index range = 0..7690 (36.133 §10.3 value range = 0..49232 Ts)
36.355 LPP ue-RxTxTimeDiff index range = 0..4095 (36.133 §10.3 value range = 0..20472 Ts)
36.455 LPPa TAdvType2 index range = 0..7690 (36.133 §10.3 value range = 0..49232 Ts)