5G RRC杩炴帴鎭㈠鏈哄埗鎷嗚В锛歊RC_INACTIVE鐘舵�佷笅鐨凴esume涓嶳NA鏇存柊鍏ㄩ摼璺В鏋�

涓�銆佷负浠�涔堥渶瑕丷RC_INACTIVE鐘舵�侊細涓�涓浣庝及鐨勭渷鐢靛埄鍣�

鍦�4G LTE鏃朵唬锛孶E鍙湁涓や釜RRC鐘舵�佲�斺�擿RRC_IDLE涓巂RRC_CONNECTED銆傚綋UE娌℃湁鏁版嵁浼犺緭鏃讹紝缃戠粶閫氳繃RRC Connection Release灏嗗叾涓嬫斁鍒癐DLE銆傜劧鑰孖DLE鐘舵�佸瓨鍦ㄤ竴涓牴鏈煕鐩撅細UE杩涘叆IDLE鎰忓懗鐫�鏍稿績缃戜晶鐨凷1鎵胯浇鍜孯RC涓婁笅鏂囧叏閮ㄩ噴鏀�锛屼笅涓�娆℃湁鏁版嵁瑕佸彂閫侊紙鍝�曞彧鏄嚑瀛楄妭鐨勫井淇″績璺筹級鏃讹紝UE閮藉繀椤讳粠闆跺紑濮嬶細闅忔満鎺ュ叆鈫扲RC寤虹珛鈫扤AS涓氬姟璇锋眰鈫掑畨鍏ㄦ縺娲烩啋EPS鎵胯浇寤虹珛鈫掔敤鎴烽潰閲嶅缓锛屾暣涓帶鍒堕潰鏃跺欢鍔ㄨ緞涓婄櫨姣銆�

5G NR閽堝杩欎竴鐥涚偣寮曞叆浜嗙涓変釜鐘舵�乣RRC_INACTIVE`锛圱S 38.331 搂3锛夈�傚畠鐨勬牳蹇冭璁″摬瀛﹀彲浠ユ鎷负涓�鍙ヨ瘽锛�

鎶奤E"鎸変笅鍘�"杩涘叆浣庡姛鑰楋紝浣嗕繚鐣欎竴鍒囦笂涓嬫枃锛岃瀹冭兘琚�"鐬棿鍞ら啋"銆�

鍏蜂綋鑰岃█锛孯RC_INACTIVE鐘舵�佷笅锛� - UE鏈湴淇濈暀瀹屾暣鐨凙S锛堟帴鍏ュ眰锛変笂涓嬫枃锛堝畨鍏ㄥ瘑閽ャ�丏RB/SRB閰嶇疆銆丮AC/RLC/PDCP鍙傛暟锛夛紱 - 鏈�鍚庝竴涓湇鍔NB锛堥敋鐐筭NB锛�淇濈暀璇E鐨凬GAP鍜孯RC涓婁笅鏂囷紱 - AMF/SMF/UPF淇濈暀N2/N3鍏宠仈涓嶱DU浼氳瘽锛圕M-CONNECTED鐘舵�佷笉鍙橈級锛� - UE鍙繚鐣欎笌缃戠粶"鏃犵嚎閾捐矾"杩欎竴灞傜殑浼戠湢锛屾帶鍒堕潰涓庣敤鎴烽潰鍦–N渚у畬鍏ㄤ繚鎸佺儹澶囥��

杩欐牱褰揢E鏈夋暟鎹鍙戞椂锛屾棤闇�閲嶅缓鎵胯浇锛屽彧闇�涓�鏉¤交閲忕骇鐨刞RRCResumeRequest锛堟惡甯﹂壌鏉冧护鐗岋級鍗冲彲鍦ㄦ暟姣鍐呮仮澶嶅埌RRC_CONNECTED`骞剁珛鍗虫敹鍙戞暟鎹�傚娴烽噺鐨勫皬鍖呫�両oT銆佺ぞ浜ゅ簲鐢ㄤ繚娲荤瓑鍦烘櫙锛屾椂寤朵笌淇′护寮�閿�鐨勬敹鐩婃瀬涓哄彲瑙傘��

stateDiagram-v2
    [*] --> RRC_IDLE
    RRC_IDLE --> RRC_CONNECTED: RRCSetup(鍒濆鎺ュ叆)
    RRC_CONNECTED --> RRC_INACTIVE: RRCRelease + suspendConfig
    RRC_INACTIVE --> RRC_CONNECTED: RRCResumeRequest 鈫� RRCResume
    RRC_INACTIVE --> RRC_INACTIVE: RRCResumeRequest(cause=rna-Update) 鈫� RRCRelease
    RRC_CONNECTED --> RRC_IDLE: RRCRelease(鏃爏uspendConfig)
    RRC_INACTIVE --> RRC_IDLE: 杩炴帴褰诲簳閲婃斁

浜屻�佷笁鎬佸姣旓細RRC_INACTIVE鍦ㄧ姸鎬佹満涓殑瀹氫綅

瑕佺悊瑙RC杩炴帴鎭㈠锛屽繀椤诲厛鍘樻竻涓変釜鐘舵�佸湪"涓婁笅鏂囦繚鐣�""杩炴帴淇濈暀""瀵诲懠鏈哄埗"涓婄殑鏈川宸紓銆備笅琛ㄦ槸鍗忚寮�鍙戜笌缃戜紭鎺掗殰涓渶甯歌闂埌鐨勫姣旓細

鍙互鐪嬪埌锛孯RC_INACTIVE浠嬩簬IDLE涓嶤ONNECTED涔嬮棿锛�瀹冪敤IDLE绾у埆鐨刄E鐪佺數锛屾崲鍙朇ONNECTED绾у埆鐨勫揩閫熸仮澶嶈兘鍔�銆備唬浠锋槸缃戠粶渚э紙灏ゅ叾鏄敋鐐筭NB鍜孉MF锛夐渶瑕侀暱鏈熺淮鎶�"鎸傝捣"鐨勪笂涓嬫枃锛岃繖姝ｆ槸鍚庣画RNA鏇存柊娴佺▼瑕佽В鍐崇殑鏍稿績闂鈥斺�斿浣曞湪涓嶅敜閱扷E鍒癈ONNECTED鐨勫墠鎻愪笅锛岃涓婁笅鏂囪窡闅廢E绉诲姩銆�

涓夈�佽繘鍏NACTIVE锛歋uspend娴佺▼涓巗uspendConfig

UE杩涘叆RRC_INACTIVE鐢辩綉缁滀晶鍐冲畾銆傚吀鍨嬪満鏅槸锛歎E闀挎椂闂存棤鏁版嵁鏀跺彂锛実NB妫�娴嬪埌涓嶆椿璺冿紙鍩轰簬inactivity timer锛夊悗锛屼富鍔ㄥ彂璧锋寕璧枫�傛祦绋嬪垎涓轰袱娈碉細

RRC灞傦紙TS 38.331锛�锛歡NB鍚慤E鍙戦�乣RRCRelease娑堟伅锛屽叾涓惡甯SuspendConfig淇″厓銆俇E鏀跺埌鍚�涓嶅垹闄や笂涓嬫枃锛岃�屾槸瀛樻。褰撳墠閰嶇疆骞惰繘鍏NACTIVE銆�

NGAP灞傦紙TS 38.413 搂8.x UE Context Suspend锛�锛歡NB鍚慉MF鍙戦�乣UE CONTEXT SUSPEND REQUEST锛屽憡鐭N"UE宸叉寕璧�"銆侫MF鎸傝捣N2淇′护杩炴帴锛屼絾淇濈暀UE涓婁笅鏂囦笌N3浼氳瘽锛岄殢鍚庡洖UE CONTEXT SUSPEND RESPONSE`銆�

SuspendConfig鏄暣涓満鍒剁殑鍏抽敭閰嶇疆淇″厓锛屽畠瀹氫箟浜哢E鍦↖NACTIVE鏈熼棿鐨勮涓鸿竟鐣岋細

闄や笂杩伴厤缃锛孶E鍦ㄨ繘鍏NACTIVE鐨勭灛闂翠細鑷璁＄畻骞跺瓨鍌ㄤ竴涓壌鏉冧护鐗宍shortMAC-I`锛堣瑙佺浜旇妭锛夛紝杩欐槸鍚庣画Resume娴佺▼鐨�"韬唤璇佹槑"銆�

鍥涖�丷RC杩炴帴鎭㈠锛氬畬鏁翠俊浠ゆ椂搴忥紙鏁版嵁瑙﹀彂鍦烘櫙锛�

褰揢E澶勪簬INACTIVE涓旀湁涓婅鏁版嵁瑕佸彂锛堟垨鏀跺埌RAN Paging瑕佸搷搴旓級鏃讹紝鎵ц瀹屾暣鐨凴esume娴佺▼銆備互UE绉诲姩鍒颁簡鏂癵NB锛堥潪鍘熼敋鐐癸級杩欎竴鏈�鍏蜂唬琛ㄦ�х殑鍦烘櫙涓轰緥锛�

sequenceDiagram
    participant UE
    participant newGNB as 鏂癵NB
    participant oldGNB as 閿氱偣gNB(鏃�)
    participant AMF
    Note over UE: RRC_INACTIVE锛屾湁涓婅鏁版嵁
    UE->>newGNB: RRCResumeRequest (CCCH)<br/>I-RNTI + resumeMAC-I + resumeCause=mo-Data
    newGNB->>oldGNB: RETRIEVE UE CONTEXT (XnAP)
    oldGNB->>oldGNB: 鏍￠獙 resumeMAC-I(閲嶇畻shortMAC-I姣斿)
    oldGNB->>newGNB: RETRIEVE UE CONTEXT RESPONSE<br/>(瀹屾暣AS涓婁笅鏂� + AMF UE NGAP ID)
    newGNB->>AMF: PATH SWITCH REQUEST (NGAP)
    AMF->>newGNB: PATH SWITCH REQUEST ACK<br/>(N3 涓嬭鏂癟EID)
    newGNB->>UE: RRCResume<br/>(閲嶉厤SRB/DRB锛屾縺娲籄S瀹夊叏)
    oldGNB-->>newGNB: 杞彂缂撳瓨鐨勪笅琛屾暟鎹�(鍙��)
    Note over UE: 杩涘叆RRC_CONNECTED锛屽彲鏀跺彂鏁版嵁

閫愭潯娑堟伅瑙ｆ瀽锛�

1. RRCResumeRequest锛圕CCH锛�锛歎E閫氳繃鍏叡鎺у埗淇￠亾鍙戣捣锛屽洜涓烘鏃惰繕娌℃湁涓撶敤璧勬簮銆傛秷鎭瀬绠�锛屽彧鏈変笁涓牳蹇冨瓧娈碉細resumeIdentity锛圛-RNTI锛夈�乣resumeMAC-I锛堥壌鏉冧护鐗岋級銆乣resumeCause锛堟仮澶嶅師鍥狅紝濡俙mo-Data/mt-Access/emergency`锛夈��

2. RETRIEVE UE CONTEXT锛圶nAP锛孴S 38.423锛�锛氭柊gNB鏃犳硶璇嗗埆璇E锛屼簬鏄敤娑堟伅涓殑I-RNTI鍚戦敋鐐筭NB"鍊�"涓婁笅鏂囥�傝繖鏄疪RC_INACTIVE鏈哄埗鍦ㄥgNB鍦烘櫙涓嬪緱浠ヨ繍浣滅殑鍏抽敭銆�

3. 閿氱偣gNB鏍￠獙resumeMAC-I锛氶敋鐐筭NB鐢ㄦ湰鍦颁繚瀛樼殑KRRCint瀵嗛挜閲嶇畻shortMAC-I锛屼笌UE鍙戞潵鐨刞resumeMAC-I`姣斿銆�姣斿澶辫触鍒欎涪寮冭姹�鈥斺�旇繖鏄疘NACTIVE鐘舵�侀槻姝吉鍐掕韩浠界殑绗竴閬撻槻绾裤��

4. RETRIEVE UE CONTEXT RESPONSE锛氭牎楠岄�氳繃鍚庯紝閿氱偣gNB鎶婂畬鏁碅S涓婁笅鏂囷紙鍚獳MF UE NGAP ID銆丏RB閰嶇疆銆佸畨鍏ㄤ笂涓嬫枃绛夛級鍙戠粰鏂癵NB銆傝嚜姝ゆ柊gNB"鎺ユ墜"鎴愪负鏂扮殑閿氱偣銆�

5. PATH SWITCH REQUEST锛圢GAP锛孴S 38.413 搂8.9锛�锛氭柊gNB鐢ㄦ楠�4鎷垮埌鐨刞AMF UE NGAP ID`鍚慉MF"璁ら"璇E锛岃姹侫MF鎶奛3涓嬭闅ч亾鍒囨崲鍒拌嚜宸便�侫MF鎹鏇存柊RAN瀵诲懠閿氱偣锛堜箣鍚嶤N瑕佸鍛糢E鏃惰蛋鏂癵NB锛夛紝骞惰仈鍔║PF鍒锋柊涓嬭TEID銆�

6. RRCResume锛氭柊gNB缁橴E涓嬪彂瀹屾暣鎭㈠鎸囦护锛岄噸鏂版縺娲籗RB/DRB涓嶢S瀹夊叏銆�娉ㄦ剰姝ゆ椂鏃犻渶NAS淇′护浠嬪叆锛孶E鐨凜M鐘舵�佹湰灏辨槸CONNECTED銆�

7. 缂撳瓨鏁版嵁杞彂锛氶敋鐐筭NB姝ゅ墠缂撳瓨鐨勪笅琛屾暟鎹彲閫氳繃Xn杞彂鍒版柊gNB锛岄伩鍏嶄涪鍖呫��

鏁翠釜娴佺▼浠庝竴鏉CCH娑堟伅鍒版仮澶嶇敤鎴烽潰锛屾帶鍒堕潰鏃跺欢鍙帇鍒�10ms閲忕骇锛岃繙浼樹簬浠嶪DLE閲嶅缓鐨勮矾寰勩��

浜斻�丷RCResumeRequest淇″厓娣卞害瑙ｆ瀽涓巗hortMAC-I閴存潈

RRCResumeRequest鏄暣涓満鍒�"鍥涗袱鎷ㄥ崈鏂�"鐨勬牳蹇冣�斺�斿畠蹇呴』鍦ㄦ病鏈変换浣曞凡寤虹珛杩炴帴銆佷笖娑堟伅鏈韩涓嶅姞瀵�鐨勫墠鎻愪笅锛岃缃戠粶鏃㈣兘瀹氫綅UE鍙堣兘楠岃瘉韬唤銆傚叾缁撴瀯濡備笅锛�

flowchart LR
    A[RRCResumeRequest] --> B[resumeIdentity<br/>= I-RNTI, 24~40bit]
    A --> C[resumeMAC-I<br/>16bit 閴存潈浠ょ墝]
    A --> D[resumeCause<br/>鎭㈠鍘熷洜鍊糫
    D --> D1[mo-Data / mo-Signalling<br/>mt-Access / rna-Update<br/>mo-VoiceCall / emergency<br/>...]

shortMAC-I鐨勯壌鏉冨師鐞�锛圱S 38.331 搂5.3.7锛夛細UE杩涘叆INACTIVE鏃讹紝鐢ˋS瀹屾暣鎬у瘑閽KRRCint瀵逛竴娈靛浐瀹氳緭鍏ワ紙鍖呭惈婧愬皬鍖虹殑cellIdentity銆侀鐜囩瓑锛夎绠桵AC-I锛屽彇鍏�16涓渶浣庢湁鏁堜綅寰楀埌shortMAC-I骞舵湰鍦颁繚瀛樸�備箣鍚庡湪RRCResumeRequest涓綔涓篳resumeMAC-I鍙戦�併�傞敋鐐筭NB鎸佹湁鐩稿悓鐨刞KRRCint`锛屽彲閲嶇畻骞舵瘮瀵光�斺��浠讳綍浼�犵殑I-RNTI閮戒細鍥犵畻涓嶅嚭姝ｇ‘鐨凪AC-I鑰岃璇嗙牬銆傝繖鐩稿綋浜庡湪涓嶄緷璧朜AS閴存潈銆佷笉渚濊禆AS瀹夊叏杩炴帴鐨勫墠鎻愪笅锛岀敤瀵圭О瀵嗛挜鍋氫簡涓�娆¤交閲忕殑韬唤璇佹槑銆�

璁捐涓婃湁涓�涓粏鑺傚�煎緱娉ㄦ剰锛氬鏋淯E绗竴娆esume琚嫆锛堝gNB杩斿洖RRCReject鎴栦笅鍙慲RRCRelease瑕佹眰鍘诲線鍏朵粬灏忓尯锛夛紝UE浼氬湪鏂板皬鍖洪噸璇曪紝姝ゆ椂瀹冧細**鐢ㄦ柊灏忓尯鐨刢ellIdentity閲嶇畻涓�涓柊鐨刞resumeMAC-I**锛堣�岄潪澶嶇敤鍘熷�硷級锛岄敋鐐筭NB鍚屾牱鑳藉熀浜庢柊杈撳叆瀹屾垚鏍￠獙锛屼粠鑰屾敮鎸乁E鍦ㄥ灏忓尯闂磋縼绉婚噸璇曘��

鍏�丷NA鏇存柊娴佺▼锛氫笂涓嬫枃闅廢E"鎼"

鍓嶉潰璁茬殑鏄�"鎭㈠鍒癈ONNECTED"銆備絾杩樻湁涓�绫婚珮棰戝満鏅細UE鍙槸鍦↖NACTIVE鐘舵�佷笅绉诲姩锛屽苟娌℃湁鏁版嵁瑕佸彂銆傛鏃惰嫢UE绉诲嚭鍘烺NA鑼冨洿锛屾垨鍛ㄦ湡鎬у畾鏃跺櫒T380瓒呮椂锛岀綉缁滃繀椤昏UE鐨勪笂涓嬫枃"璺熺潃璧�"锛屽惁鍒欏悗缁璕AN Paging灏嗘棤娉曢�佽揪銆傝繖灏辨槸RNA Update娴佺▼銆�

RNA Update鐨勮Е鍙戞潯浠讹紙TS 38.331锛夛細 - UE灏忓尯閲嶉�夊埌涓�涓�涓嶅湪褰撳墠RNA鑼冨洿鍐�鐨勫皬鍖猴紱 - 鍛ㄦ湡鎬у畾鏃跺櫒T380瓒呮椂锛堝嵆渚挎病鏈夌Щ鍔級锛� - RAN鍙戣捣鐨凴NA鍙樻洿閫氱煡锛堢綉缁滈噸閰峈NA锛夈��

鍏朵俊浠ゆ祦涓庢暟鎹Е鍙戠殑Resume寰堝儚锛屼絾缁堢偣鏄洖鍒癐NACTIVE鑰岄潪杩涘叆CONNECTED锛�

sequenceDiagram
    participant UE
    participant newGNB as 鏂癵NB
    participant oldGNB as 閿氱偣gNB
    participant AMF
    Note over UE: RRC_INACTIVE锛岀Щ鍑篟NA 鎴� T380瓒呮椂
    UE->>newGNB: RRCResumeRequest<br/>resumeCause = rna-Update
    newGNB->>oldGNB: RETRIEVE UE CONTEXT (XnAP)
    oldGNB->>newGNB: RETRIEVE UE CONTEXT RESPONSE
    newGNB->>AMF: PATH SWITCH REQUEST(鏇存柊瀵诲懠閿氱偣)
    AMF->>newGNB: PATH SWITCH REQUEST ACK
    newGNB->>UE: RRCRelease + suspendConfig(鏂癛NA)
    Note over UE: 缁存寔 RRC_INACTIVE

鍏抽敭宸紓鐐癸細

1. resumeCause = rna-Update锛氭柊gNB鐪嬪埌杩欎釜鍘熷洜鍊硷紝灏辩煡閬揢E涓嶆槸瑕佷紶鏁版嵁锛岀洰鐨勬槸"涓婁笅鏂囪縼绉�"銆傚洜姝�閫氬父涓嶅啀涓篣E寤虹珛鐢ㄦ埛闈㈡壙杞姐�佷笉鍒嗛厤澶ч噺鏃犵嚎璧勬簮锛屽鐞嗘洿杞婚噺銆�

2. **鍝嶅簲娑堟伅鏄痐RRCRelease + suspendConfig鑰岄潪RRCResume**锛氭柊gNB鎶婁笂涓嬫枃鐣欏湪鏈湴锛堟垚涓烘柊閿氱偣锛夛紝閲嶆柊涓嬪彂涓�涓柊鐨刞suspendConfig锛堝惈鏂癛NA銆佹柊I-RNTI銆侀噸缃殑T380锛夛紝鎶奤E"鎸夊洖鍘�"銆俇E濮嬬粓鍋滅暀鍦↖NACTIVE锛屽叏绋嬩笉杩涘叆CONNECTED銆�

3. Path Switch浠嶈鎵ц锛氬嵆浣縐E涓嶄笂绾匡紝AMF涔熷繀椤荤煡閬揢E鐨勫鍛奸敋鐐瑰凡鍙樻洿锛屽惁鍒機N Paging浼氬彂鍒版棫gNB鑰屾壘涓嶅埌UE銆傛墍浠ユ柊gNB浠嶅彂璧稰ath Switch Request鏇存柊AMF渚х殑gNB鍏宠仈銆�

杩欎竴娴佺▼鍏呭垎浣撶幇浜哛RC_INACTIVE"涓婁笅鏂囧彲杩佺Щ"鐨勮璁♀�斺�旈敋鐐逛笉鏄浐瀹氱殑锛屼細闅廢E绉诲姩鑰屾紓绉伙紝纭繚浠绘剰鏃跺埢RAN Paging閮借兘鍛戒腑銆�

涓冦�佹姄鍖呰瘑鍒笌瀹炴垬鎺掗敊

7.1 鎶撳寘濡備綍璇嗗埆Resume娴佺▼

鍦╓ireshark/TShark涓紙缁撳悎pcap-analyzer绫诲伐鍏凤級锛屽彲鎸変互涓嬬壒寰佸畾浣嶏細

• Uu鎺ュ彛锛氬鎵綻RRCResumeRequest锛圕CCH閫昏緫淇￠亾锛孯LC TM锛夛紝鍏禶rrcResumeRequest-resumeCause瀛楁鏄瘑鍒満鏅殑閽ュ寵鈥斺�擿rna-Update鍗砇NA鏇存柊锛宍mo-Data/mt-Access鍗虫暟鎹Е鍙戞仮澶嶃�傞殢鍚庡簲鑳界湅鍒癭RRCResume锛堥噸閰嶆秷鎭級鎴朻RRCRelease锛堝甫suspendConfig锛夈��
• Xn鎺ュ彛锛氬鎵綳nAP鐨刞RetrieveUEContextRequest/RetrieveUEContextResponse锛屽叾涓璕esponse鎼哄甫鐨刞UEContext淇″厓鏄笂涓嬫枃杩佺Щ鐨勮瘉鎹��
• NG鎺ュ彛锛氬鎵綨GAP鐨刞PathSwitchRequest锛堝惈AMF UE NGAP ID涓巂PDU Session Resource to be Switched in Downlink List锛変笌PathSwitchRequestAcknowledge銆�

7.2 甯歌鏁呴殰鐐�

7.3 鍘傚晢瀹炵幇宸紓

• inactivity timer鍙栧��锛氬悇鍘傚晢瀵�"鎸傝捣闃堝��"閰嶇疆涓嶅悓锛岀洿鎺ュ奖鍝岻NACTIVE椹荤暀姣斾緥涓嶳esume棰戞锛屾槸缃戜紭璋冧紭鐨勯噸鐐广��
• 涓婁笅鏂囦繚鐣欐椂闀�锛氶敋鐐筭NB瀵规寕璧蜂笂涓嬫枃鐨勪繚鐣欐椂闂存湁宸紓锛岃秴鏃朵富鍔ㄩ噴鏀句細瀵艰嚧UE鎭㈠澶辫触鍥為��鍒癛RCSetup銆�
• RNA绮掑害锛氭湁鐨勫巶鍟嗘寜灏忓尯鍒楄〃閰嶇疆锛屾湁鐨勬寜RA鍒楄〃锛屽奖鍝峈AN Paging寮�閿�涓嶶E绉诲姩鎬т綋楠屻��
• Resume fallback绛栫暐锛氬綋Retrieve UE Context澶辫触鏃讹紝閮ㄥ垎鍘傚晢鐩存帴璧癭RRCSetup閲嶅缓锛堟�ц兘鍔ｅ寲浣嗕繚娲伙級锛岄儴鍒嗗巶鍟嗚繑鍥瀈RRCReject璁︰E閲嶈瘯銆�

鍏�佽璁℃剰鍥炬�荤粨

RRC_INACTIVE + Resume鏈哄埗鐨勬湰璐紝鏄�鐢�"瀵圭О瀵嗛挜浠ょ墝 + 涓婁笅鏂囨墭绠� + 閿氱偣杩佺Щ"涓変欢濂楋紝鍦↖DLE鐨勭渷鐢典笌CONNECTED鐨勪綆鏃跺欢涔嬮棿鏋惰捣涓�搴фˉ銆傚畠鎶婄姸鎬佹満鐨�"鎭㈠鎴愭湰"浠�"閲嶅缓鏁村鎵胯浇"鍘嬬缉鍒�"涓�鏉CCH娑堟伅 + 涓�娆′笂涓嬫枃妫�绱�"锛岃繖瀵�5G闈㈠悜娴烽噺杩炴帴銆佸皬鍖呬笟鍔°�両oT鐨勫満鏅叿鏈夊喅瀹氭�ф剰涔夈�傝�宻hortMAC-I閴存潈涓嶳NA杩佺Щ锛屽垯纭繚浜嗚繖涓�"杞婚噺鎭㈠"鍦ㄥ畨鍏ㄦ�т笌绉诲姩鎬т笂鐨勮嚜娲姐��

甯歌闂

Q1锛歊RC_INACTIVE鍜孯RC_IDLE鍦ㄥ鍛兼満鍒朵笂鍒板簳鏈変粈涔堝尯鍒紵 A锛欼DLE涓婾E鐢盋N鎸夎窡韪尯锛圱A锛夊鍛硷紝寮�閿�澶т笖娑夊強AMF锛汭NACTIVE涓婾E鐢遍敋鐐筭NB鎸塕NA锛圧AN閫氱煡鍖猴級瀵诲懠锛屾槸RAN绾у埆鐨勮交閲忓鍛硷紝绮掑害鏇寸粏銆佷俊浠ゆ洿鐪併�佸敜閱掓洿蹇�傝繖涔熸槸INACTIVE鑳藉ぇ骞呴檷浣庡鍛兼椂寤剁殑鏍规湰鍘熷洜銆�

**Q2锛氫粈涔堟椂鍊欑綉缁滀細鐢╜RRCResume锛屼粈涔堟椂鍊欏張閫�鍖栦负RRCSetup锛坒allback锛夛紵** A锛氬綋鏂癵NB鑳芥垚鍔熶粠閿氱偣gNB妫�绱㈠埌UE涓婁笅鏂囦笖resumeMAC-I鏍￠獙閫氳繃鏃讹紝璧癭RRCResume锛堝揩閫熻矾寰勶紝淇濈暀鎵�鏈夋壙杞斤級銆傝嫢閿氱偣gNB宸叉棤涓婁笅鏂囥�乆n涓嶅彲杈炬垨閴存潈澶辫触锛屾柊gNB浼氬洖閫�鍒癭RRCSetup`锛岀浉褰撲簬浠嶪DLE閲嶅缓锛孶E闇�瑕侀噸鏂版墽琛屽畬鏁寸殑鎺ュ叆涓庢壙杞藉缓绔嬫祦绋嬨��

Q3锛歚shortMAC-I鍜宍resumeMAC-I鏄悓涓�涓笢瑗垮悧锛� A锛氶珮搴︾浉鍏充絾涓嶅畬鍏ㄧ瓑鍚屻�俙shortMAC-I鏄疷E鍦ㄦ寕璧锋椂鐢╜KRRCint璁＄畻骞朵繚瀛樼殑16bit浠ょ墝锛沗resumeMAC-I鏄痐RRCResumeRequest涓疄闄呬笅鍙戠殑瀛楁銆傞娆esume鏃朵簩鑰呴�氬父涓�鑷达紝浣哢E鍦ㄨ鎷掑悗浜庢柊灏忓尯閲嶈瘯鏃讹紝浼氱敤鏂板皬鍖虹殑cellIdentity閲嶇畻resumeMAC-I锛屾鏃跺畠灏变笉鍚屼簬鏈�鍒濅繚瀛樼殑shortMAC-I浜嗐��

Q4锛歊NA Update涓璗380瓒呮椂鍜孶E鐪熸绉诲嚭RNA锛屽鐞嗕笂鏈夊尯鍒悧锛� A锛氫俊浠ゆ祦绋嬪熀鏈竴鑷达紝閮芥槸鍙慲resumeCause=rna-Update鐨刞RRCResumeRequest骞舵渶缁堝洖鍒癐NACTIVE銆傚尯鍒湪浜庤Е鍙戯細绉诲嚭RNA鏄┖闂磋Е鍙戯紙鍩轰簬灏忓尯閲嶉�夋瘮瀵筦ran-NotificationAreaInfo`锛夛紝T380瓒呮椂鏄椂闂磋Е鍙戯紙鍛ㄦ湡鎬�"鎶ュ埌"锛夈�備袱鑰呯殑鐩殑閮芥槸璁╅敋鐐逛笂涓嬫枃涓嶶E褰撳墠浣嶇疆淇濇寔鍚屾銆�

Q5锛氳法gNB Resume涓轰粈涔堢敤Path Switch Request锛岃�屼笉鏄儚鍒濆鎺ュ叆閭ｆ牱鍙慖nitial UE Message锛� A锛氬洜涓篣E涓婁笅鏂囧湪AMF渚т粛鐒跺瓨鍦紙CM-CONNECTED鏈彉锛夛紝鏂癵NB閫氳繃RETRIEVE UE CONTEXT宸叉嬁鍒癭AMF UE NGAP ID`銆侾ath Switch Request姝ｆ槸涓鸿繖绉�"涓婁笅鏂囧凡瀛樺湪銆佸彧闇�鍒囨崲鎵胯浇閿氱偣"鐨勫満鏅璁♀�斺�斿畠鎼哄甫AMF UE NGAP ID璁〢MF绮剧‘鍏宠仈锛屽苟瀹屾垚N3涓嬭TEID涓庡鍛奸敋鐐圭殑鏇存柊锛屾棤闇�閲嶆柊璧板畬鏁寸殑UE涓婁笅鏂囧缓绔嬨��

鍙傝�冩潵婧�

1. 3GPP TS 38.331 NR RRC Protocol 鈥� 搂3 RRC鐘舵�併�伮�5.3.7 RRC杩炴帴鎭㈠銆乻uspendConfig涓巗hortMAC-I瀹氫箟
2. 3GPP TS 38.413 NGAP 鈥� UE Context Suspend銆丳ath Switch Request銆丷AN Paging娴佺▼
3. 3GPP TS 38.423 XnAP 鈥� RETRIEVE UE CONTEXT娴佺▼
4. ShareTechnote 鈥� 5G RRC INACTIVE 鈥� INACTIVE鐘舵�佷笌Resume娴佺▼鍥捐В
5. Amarisoft 鈥� NR RRC Inactive 鈥� Resume/RNA Update娴佺▼瀹炵幇瑕佺偣
6. 鐭ヤ箮 鈥� 5G RRC Inactive鎬荤粨鍙婇儴鍒唋og绀轰緥 鈥� 瀹炴祴log瀵圭収涓庣姸鎬佽浆鎹㈠垎鏋�

鏈枃鐢便��51瀛﹂�氫俊銆嶆妧鏈洟闃熷嚭鍝併��51瀛﹂�氫俊鐢遍�氫俊琛屼笟18骞磋�佸叺鐖卞崼鐢�锛堝井淇D: gprshome201101锛夌淮鎶わ紝鑱氱劍5G/6G鏍稿績缃戙��3GPP鏍囧噯瑙ｈ銆侀�氫俊鍓嶆部鎶�鏈繁搴﹀垎鏋愩�� 鍑虹増浣滃搧鏈夈��5G鏍稿績缃戝師鐞嗕笌瀹炶返銆嬨�奍MS鍘熺悊涓庡疄璺点�嬬瓑4鏈�氫俊涓撲笟涔︾睄銆傜煡璇嗘槦鐞冦��51瀛﹂�氫俊銆嶆彁渚涙繁搴︽妧鏈瓟鐤戝拰琛屼笟娲炲療銆� 數**鈥斺�擴E鍙暱鏃堕棿鍋滃湪CM-IDLE浠呯淮鎸佹敞鍐岋紝绗﹀悎IoT/URLLC澶氭牱鍖栭渶姹傘��

鍙傝�冩潵婧�

1. 3GPP TS 23.502 V19.x 鈥� Procedure for Initial Registration 搂4.2.2.2.2 鈥� 娉ㄥ唽淇′护娴佺▼鏉冨▉瀹氫箟涓嶧igure 4.2.2.2.2-1
2. 3GPP TS 24.501 鈥� NAS protocol for 5G 搂8.2.6.1 Registration Request / 搂8.2.7 Registration Accept 鈥� NAS娑堟伅閫怚E缂栫爜瀹氫箟
3. ShareTechnote 鈥� 5G Registration in Detail 鈥� Registration娑堟伅IE鎶撳寘绾цВ璇�
4. TechPlayon 鈥� 5G NR SA Registration/Attach Call Flow 鈥� 绔埌绔疭A娉ㄥ唽淇′护娴佺▼鍥�
5. 3GPP TS 33.501 鈥� 5G AKA Primary Authentication 搂6.1, SUCI/ECIES 搂6.12 鈥� 瀵嗛挜灞傜骇涓庨殣绉佷繚鎶ゆ満鍒�

鏈枃鐢便��51瀛﹂�氫俊銆嶆妧鏈洟闃熷嚭鍝併��51瀛﹂�氫俊鐢遍�氫俊琛屼笟18骞磋�佸叺鐖卞崼鐢�锛堝井淇D: gprshome201101锛夌淮鎶わ紝鑱氱劍5G/6G鏍稿績缃戙��3GPP鏍囧噯瑙ｈ銆侀�氫俊鍓嶆部鎶�鏈繁搴﹀垎鏋愩�� 鍑虹増浣滃搧鏈夈��5G鏍稿績缃戝師鐞嗕笌瀹炶返銆嬨�奍MS鍘熺悊涓庡疄璺点�嬬瓑4鏈�氫俊涓撲笟涔︾睄銆傜煡璇嗘槦鐞冦��51瀛﹂�氫俊銆嶆彁渚涙繁搴︽妧鏈瓟鐤戝拰琛屼笟娲炲療銆�

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