一、RRM应用场景 RRM(Radio resource managemen)可用于辅助进行固网小区规划或无线网络规划;具体内容包括:
二、静态RRM应用 静态RRM应用于许多传统无线系统,如1G和2G的蜂窝网络,当今无线局域网(WLAN)和非蜂窝系统如广播系统。静态RRM方案包括:
三、5G网络RRM之切换应用示例 终端在5G网络中切换过程是在不同小区之间无线资源的切换;其首先向目标小区进行资源请求,获得目标小区的允许接入和无线资源预留后,开始执行切换流程; 3.1 切换允许请求(handover_admit_request) 这是服务小区接收到UE的测量报告,选定目标小区向其发送的切换(入)请求的RRM消息,其中终端要建立的SRB和DRB承载,上下行最大聚合速率,业务切片标识、QFI、QOS及SSB测量等内容。 detailDecodeResult handover_admit_request(切换允许请求) header phy_cell_l3_id = 3(物理小区ID PCI=3) bpf_ue_id = 11888(BPF UE ID=61065) cpf_ue_id value = 61056(CPF UE ID=61065) srb_to_be_setup_list(SRB建立列表) [0] srb_identity = 1(SRB ID=1) logic_channel_id(逻辑信道ID=1) value = 1 [1] srb_identity = 2(SRB ID=2) logic_channel_id(逻辑信道ID=2) value = 2 ambr ul_ambr = 1048576000(UE上行最大聚合速率=1048576000bps) dl_ambr = 2097152000(UE下行最大聚合速率= 2097152000bps) drb_to_be_setup_list(DRB建立列表) [0] drb_identity = 1(DRB ID=1) drb_qos_cap(DRB QOS) qci = 6 (QCI=6) arp priority_level = 3(优先级=3) pre_emption_vulnera = 1(预清空) rlc_mode(RLC模式=1) value = 1 nssai(网络切片标识) slice_service_type = 1(SST=1) slice_diff value = 16777215 qos_flow_info_list(QOS流信息列表) [0] qos_flow_indicator = 1(QFI=1) non_dynamic_5qi_desc priority_level(优先级=24) value = 24 averaging_window(接收窗=1) value = 1 maximum_data_burst_volume(burst最大速率=1) value = 1 nr_5qi = 6(NR 5QI=6) alloc_retention_pri(预留等级=3) priority_level = 3 pre_emption_vulnera = 1(预清空=1) logic_channel_id(逻辑信道ID=4) value = 4 [1] drb_identity = 2(DRB ID=2) drb_qos_cap(DRB QOS) qci = 5 arp priority_level = 1(优先级=1) pre_emption_cap = 1(预清空=1) rlc_mode(RLC模式=1) value = 1 nssai slice_service_type = 1(SST=1) slice_diff value = 16777215 qos_flow_info_list(QOS流信息列表) [0] qos_flow_indicator = 1(QFI=1) non_dynamic_5qi_desc priority_level(优先级=24) value = 24 averaging_window(接收窗=1) value = 1 maximum_data_burst_volume value = 1 nr_5qi = 5 (NR 5QI=5) alloc_retention_pri(分配预留优先级) priority_level = 1(优先级=1) pre_emption_cap = 1 logic_channel_id(逻辑信道ID=5) value = 5 [2] drb_identity = 3(DRB ID=3) drb_qos_cap(DRB QOS) qci = 1(QCI=1) arp priority_level = 2(优先级=2) pre_emption_cap = 1(预清空) gbr_qos_info(GBR QOS信息) gbr_ul_max_bitrate = 53000(上行GBR最大速率=53000bps) gbr_dl_max_bitrate = 53000(下行GBR最大速率=53000bps) gbr_ul_gur_bitrate = 53000(上行GBR保障速率=53000bps) gbr_dl_gur_bitrate = 53000(下行GBR保障速率=53000bps) rlc_mode = null(RLC模式=NULL) nssai(网络切片标识) slice_service_type = 1(SST=1) slice_diff value = 16777215 qos_flow_info_list(QOS流信息列表) [0] qos_flow_indicator = 2(QFI=2) non_dynamic_5qi_desc priority_level(优先级=24) value = 24 averaging_window(接收窗=1) value = 1 maximum_data_burst_volume value = 1 nr_5qi = 1(NR 5QI=1)--语音承载 alloc_retention_pri priority_level = 2(优先级=2) pre_emption_cap = 1 gbr_qos_flow_info(GBR QOS信息) gbr_ul_max_bitrate = 53000(上行GBR最大速率=53000bps) gbr_dl_max_bitrate = 53000(下行GBR最大速率=53000bps) gbr_ul_gur_bitrate = 53000(上行GBR保障速率=53000bps) gbr_dl_gur_bitrate = 53000(下行GBR保障速率=53000bps) logic_channel_id(逻辑信道ID=6) value = 6 ue_cap ue_capability_code(UE能力) ue_nr_capability(UE的5G能力) data = e1a0000005565a831e0002c1a00f04983000021e0a018806804c020301c0a2a2e00...... candidate_cell_info(候选小区信息) rs_index_result(RS ID结果) results_per_ssb_index_list(SSB指示列表) [0] ssb_index = 1(SSB ID=1) cell_meas_result(小区测量结果) cell_ssb_meas_result(小区SSB测量结果) rsrp(RSRP=97) value = 97 serving_plmn (服务PLMN 460 00) mcc = 040600 mnc = 0000 ncgi(NCGI) plmn(PLMN 460 00) mcc = 040600 mnc = 0000 gnb_id = 11563445(gNodeB ID=11563445) gnb_id_length = 24(gNodeB ID长度24bit) l3_cell_id = 113(小区ID=113) candidate_scc_info_list = [](候选SCC信息列表) src_ue_context_info(SRC UE上下文信息) csi_res_config_add_mod_list(CSI 配置修改列表) [0] csi_resoure_type = 2(CSI资源类型=2 [1] csi_resource_config_id = 1(CSI资源配置ID=1) csi_resoure_type = 2 (CSI资源类型=2) [2] csi_resource_config_id = 2(CSI资源配置ID=2) csi_resoure_type = 2(CSI资源类型=2) [3] csi_resource_config_id = 4(CSI资源配置ID=4) csi_resoure_type = 2(CSI资源类型=2) csi_report_config_add_mod_list(CSI报告配置添加修改列表) [0] resources_for_channel_meas = 1(测量信道信源=1) report_config_type(报告配置类型) csi_report_periodic(CSI报告周期) csi_report_slot_config(CSI报告slot配置=9) slot160 = 9 pucch_csi_resource_list(PUCCH CSI资源列表) [0] pucch_resource_id = 25(PUCCH资源ID=25) report_quantity(报告数量) ssb_index_rsrp = null(SSB ID RSRP=NULL) [1] csi_report_config_id = 4(CSI报告配置ID=4) resources_for_channel_meas = 2(测量信道资源=2) report_config_type(报告配置类型) csi_report_periodic(CSI报告周期) csi_report_slot_config(CSI报告slot配置=9) slot160 = 9 pucch_csi_resource_list(PUCCH CSI资源列表) [0] pucch_resource_id = 26(PUCCH资源ID=26) report_quantity(报告数量) cri_ri_pmi_cqi = null(CRI RI PMI CQI=null) 3.2.切换(入)请求确认(handover_admit_acknowledge) 目标小区接收到到切入请求,根据请求预留资源后回复源服务小区,确认允许终端切入;其内容主要是对小区PCI,PLMN,NCGI的确认。 detailDecodeResult handover_admit_acknowledge(切换允许确认) header phy_cell_l3_id = 3(小区物理ID=3) bpf_ue_id = 11888 ncgi plmn mcc = 040600 mnc = 0000 gnb_id = 11563445 gnb_id_length = 24 l3_cell_id = 113 serving_plmn mcc = 040600 mnc = 0000 3.3.切换(入)允许响应(handover_admit_response) 这是服务小区收到目标小区允许切换(入)的响应;根据此内容再通报RRC Reconfiguration消息通知终端向目标小区进行切换(的同步)的流程。 detailDecodeResult handover_admit_response header phy_cell_l3_id = 3(小区物理ID=3) bpf_ue_id = 11888(BPF UE ID=11888) cell_ue_id = 2209(CELL UE ID=2209) successful_setup_drb_list(DRB成功建立列表) [0] drb_identity = 1(DRB ID=1) [1] drb_identity = 2 (DRB ID=2) [2] drb_identity = 3 (DRB ID=3) failed_setup_drb_list = [](DRB建立失败列表=NULL) rlc_bearer_to_add_mod_list(RLC承载新增修改列表) [0] logic_channel_id = 1 .............
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