Architecture

YESDR System Architecture¶

YESDR Components¶

Term Full Form Description

YCore YESDR Core Centralized core network component responsible for control‑plane and user‑plane functions, orchestration, and integration with spectrum management.

YBS YESDR Base Station Provides radio access and initial control signaling.

YSM YESDR Spectrum Monitor Monitors spectrum usage in real time, identifies interference, and detects underutilized bands to support dynamic spectrum allocation.

YUE YESDR User Equipment The end‑device or terminal used by the end user.

YESDR Core Functions¶

Term Full Form Description

YAMF YESDR Access and Mobility Management Function Handles registration, access control, and mobility management.

YSMF YESDR Session Management Function Manages IP session establishment, modification, and release.

YUPF YESDR User Plane Function Forwards and processes user‑plane traffic.

YNRF YESDR Network Repository Function Provides service discovery and network function registration.

YUDM YESDR Unified Data Management Stores subscriber profiles, authentication data, and device information.

YAUSF YESDR Authentication Service Function Performs identity verification and key agreement procedures.

YUDR YESDR Unified Data Repository Maintains subscription, policy, and network function-related data.

YPCF YESDR Policy Charging Function Applies policy and charging rules to sessions and traffic flows.

YNSSF YESDR Network Slice Selection Function Selects and manages appropriate network slices for services.

YRMF YESDR Radio Management Function Controls spectrum usage, power levels, and bandwidth allocation.

YCRF YESDR Cognitive Radio Function Performs AI‑driven spectrum monitoring, learning, and adaptive optimization.

Control Protocols¶

Protocol Full Form Description

YACP YesDR Access Control Protocol Manages access control, authentication, and registration procedures.

YSMP YesDR Spectrum Management Protocol Coordinates spectrum sensing, allocation, and dynamic spectrum management.

YESDR End-to-End Network Flow¶

Click here to view YESDR end-to-end network flow

YESDR Message Sequence¶

YACP Packet Structure¶

YSMP Packet Structure¶

YACP Messages¶

Msg Type Message Name IE Type IE Name Item Name Size (bytes)

0x06 YACPSetupRequest 0x20 GlobalNodeID plmn_id 3

node_id Variable

0x21 NodeName node_name Variable

0x07 YACPSetupResponse 0x30 YAMFName yamf_name Variable

0x31 ServedGUAMIList plmn_id 3

yamf_region_id 1

yamf_set_id 2

yamf_pointer 1

0x32 RelativeYAMFCapacity capacity 1

0x33 PLMNSupportList sst 1

0x08 RadioResourceRequest 0x40 RadioResourceRequest ybs_id 3

plmn_id 3

tac 2

0x09 RadioResourceResponse 0x41 RadioResourceResponse yamf_id 2

bandwidth_mhz 2

frequency_mhz 2

power_dbm 2

0x10 NASRegistrationRequest 0x55 RAN-UE-NGAP-ID ran_ue_ngap_id 4

0x26 NAS-PDU nas_pdu Variable

0x79 UserLocationInformation plmn_id 3

nr_cell_id 5

tac 3

0x5A RRCEstablishmentCause cause 1

0x03 AMFSetID amf_set_id 2

0x70 UEContextRequest ue_context_request 1

0x11 NASSecurityModeCommand 0x60 SecurityAlgorithms encryption_algo 1

integrity_algo 1

imeisv_request 1

0x61 NASMessageContainer nas_msg_container Variable

0x62 GUTI guti Variable

0x12 NASSecurityModeComplete 0x0A AMF-UE-NGAP-ID amf_ue_ngap_id 4

0x55 RAN-UE-NGAP-ID gnb_ue_ngap_id 4

0x70 IMEISV imeisv Variable

0x71 EAPMessage eap_message Variable

0x72 AdditionalSecCapabilities additional_sec_caps Variable

0x13 NASRegistrationAccept 0x0A AMF-UE-NGAP-ID amf_ue_ngap_id 4

0x55 RAN-UE-NGAP-ID gnb_ue_ngap_id 4

0x80 TAIList tai_list Variable

0x82 DRXParameters drx_params Variable

0x83 RegistrationStatus reg_status 1

0x29 DownlinkNASTransport (Auth Req) 0x0A AMF-UE-NGAP-ID amf_ue_ngap_id 4

0x55 RAN-UE-NGAP-ID ran_ue_ngap_id 4

0x26 NAS-PDU nas_auth_req Variable

0x2A UplinkNASTransport (Auth Resp) 0x0A AMF-UE-NGAP-ID amf_ue_ngap_id 4

0x55 RAN-UE-NGAP-ID ran_ue_ngap_id 4

0x26 NAS-PDU nas_auth_resp Variable

0x20 PDUSessionResourceSetupRequest 0x0A AMF-UE-NGAP-ID amf_ue_ngap_id 4

0x55 RAN-UE-NGAP-ID ran_ue_ngap_id 4

0x62 GUTI guti Variable

0x66 TEID teid 4

0x4A PDUSessionResourceList pdu_session_id 1

nas_dnn Variable

s_nssai Variable

qos Variable

ssc_mode 1

0x86 PDUSessionType pdu_type 1

0x6E UEAggregateMaximumBitRate bitrate_dl_ul 8

0x21 PDUSessionResourceSetupResponse 0x4B PDUSessionResourceListSURes pdu_session_id 1

gtp_ip 4

gtp_teid 4

qos_flow_id 1

ue_ip 4

YSMP Messages¶

Msg Type Message Name IE Type IE Name Field Name Size (bytes)

0x10 YSMSetupRequest 0x01 YSM ID ysm_id 4

0x02 Location location Variable

0x03 Capabilities capabilities 1

0x04 ScanBands band_list 2×N

0x05 FFTSize fft_size 2

0x06 MaxPower max_power 2

0x11 YSMSetupResponse 0x11 Status Code status 1

0x12 ResponseMessage response_msg Variable

0x13 AssignedFrequency assigned_freq 2

0x14 AssignedBandwidth assigned_bw 2

0x15 AllocatedPower allocated_power 1

0x20 RadioResourceInfo resource_info 4

0x31 YSMReport 0x40 Timestamp timestamp Variable

0x41 StartFrequency start_freq 4

0x42 EndFrequency end_freq 4

0x43 Occupancy occupancy 1

0x44 NumberofMeasurements num_measurements 2

0x45 Decision decision Variable

Term	Full Form	Description
YCore	YESDR Core	Centralized core network component responsible for control‑plane and user‑plane functions, orchestration, and integration with spectrum management.
YBS	YESDR Base Station	Provides radio access and initial control signaling.
YSM	YESDR Spectrum Monitor	Monitors spectrum usage in real time, identifies interference, and detects underutilized bands to support dynamic spectrum allocation.
YUE	YESDR User Equipment	The end‑device or terminal used by the end user.

Term	Full Form	Description
YAMF	YESDR Access and Mobility Management Function	Handles registration, access control, and mobility management.
YSMF	YESDR Session Management Function	Manages IP session establishment, modification, and release.
YUPF	YESDR User Plane Function	Forwards and processes user‑plane traffic.
YNRF	YESDR Network Repository Function	Provides service discovery and network function registration.
YUDM	YESDR Unified Data Management	Stores subscriber profiles, authentication data, and device information.
YAUSF	YESDR Authentication Service Function	Performs identity verification and key agreement procedures.
YUDR	YESDR Unified Data Repository	Maintains subscription, policy, and network function-related data.
YPCF	YESDR Policy Charging Function	Applies policy and charging rules to sessions and traffic flows.
YNSSF	YESDR Network Slice Selection Function	Selects and manages appropriate network slices for services.
YRMF	YESDR Radio Management Function	Controls spectrum usage, power levels, and bandwidth allocation.
YCRF	YESDR Cognitive Radio Function	Performs AI‑driven spectrum monitoring, learning, and adaptive optimization.

Protocol	Full Form	Description
YACP	YesDR Access Control Protocol	Manages access control, authentication, and registration procedures.
YSMP	YesDR Spectrum Management Protocol	Coordinates spectrum sensing, allocation, and dynamic spectrum management.

Msg Type	Message Name	IE Type	IE Name	Item Name	Size (bytes)
0x06	YACPSetupRequest	0x20	GlobalNodeID	plmn_id	3
				node_id	Variable
		0x21	NodeName	node_name	Variable
0x07	YACPSetupResponse	0x30	YAMFName	yamf_name	Variable
		0x31	ServedGUAMIList	plmn_id	3
				yamf_region_id	1
				yamf_set_id	2
				yamf_pointer	1
		0x32	RelativeYAMFCapacity	capacity	1
		0x33	PLMNSupportList	sst	1
0x08	RadioResourceRequest	0x40	RadioResourceRequest	ybs_id	3
				plmn_id	3
				tac	2
0x09	RadioResourceResponse	0x41	RadioResourceResponse	yamf_id	2
				bandwidth_mhz	2
				frequency_mhz	2
				power_dbm	2
0x10	NASRegistrationRequest	0x55	RAN-UE-NGAP-ID	ran_ue_ngap_id	4
		0x26	NAS-PDU	nas_pdu	Variable
		0x79	UserLocationInformation	plmn_id	3
				nr_cell_id	5
				tac	3
		0x5A	RRCEstablishmentCause	cause	1
		0x03	AMFSetID	amf_set_id	2
		0x70	UEContextRequest	ue_context_request	1
0x11	NASSecurityModeCommand	0x60	SecurityAlgorithms	encryption_algo	1
				integrity_algo	1
				imeisv_request	1
		0x61	NASMessageContainer	nas_msg_container	Variable
		0x62	GUTI	guti	Variable
0x12	NASSecurityModeComplete	0x0A	AMF-UE-NGAP-ID	amf_ue_ngap_id	4
		0x55	RAN-UE-NGAP-ID	gnb_ue_ngap_id	4
		0x70	IMEISV	imeisv	Variable
		0x71	EAPMessage	eap_message	Variable
		0x72	AdditionalSecCapabilities	additional_sec_caps	Variable
0x13	NASRegistrationAccept	0x0A	AMF-UE-NGAP-ID	amf_ue_ngap_id	4
		0x55	RAN-UE-NGAP-ID	gnb_ue_ngap_id	4
		0x80	TAIList	tai_list	Variable
		0x82	DRXParameters	drx_params	Variable
		0x83	RegistrationStatus	reg_status	1
0x29	DownlinkNASTransport (Auth Req)	0x0A	AMF-UE-NGAP-ID	amf_ue_ngap_id	4
		0x55	RAN-UE-NGAP-ID	ran_ue_ngap_id	4
		0x26	NAS-PDU	nas_auth_req	Variable
0x2A	UplinkNASTransport (Auth Resp)	0x0A	AMF-UE-NGAP-ID	amf_ue_ngap_id	4
		0x55	RAN-UE-NGAP-ID	ran_ue_ngap_id	4
		0x26	NAS-PDU	nas_auth_resp	Variable
0x20	PDUSessionResourceSetupRequest	0x0A	AMF-UE-NGAP-ID	amf_ue_ngap_id	4
		0x55	RAN-UE-NGAP-ID	ran_ue_ngap_id	4
		0x62	GUTI	guti	Variable
		0x66	TEID	teid	4
		0x4A	PDUSessionResourceList	pdu_session_id	1
				nas_dnn	Variable
				s_nssai	Variable
				qos	Variable
				ssc_mode	1
		0x86	PDUSessionType	pdu_type	1
		0x6E	UEAggregateMaximumBitRate	bitrate_dl_ul	8
0x21	PDUSessionResourceSetupResponse	0x4B	PDUSessionResourceListSURes	pdu_session_id	1
				gtp_ip	4
				gtp_teid	4
				qos_flow_id	1
				ue_ip	4

Msg Type	Message Name	IE Type	IE Name	Field Name	Size (bytes)
0x10	YSMSetupRequest	0x01	YSM ID	ysm_id	4
		0x02	Location	location	Variable
		0x03	Capabilities	capabilities	1
		0x04	ScanBands	band_list	2×N
		0x05	FFTSize	fft_size	2
		0x06	MaxPower	max_power	2
0x11	YSMSetupResponse	0x11	Status Code	status	1
		0x12	ResponseMessage	response_msg	Variable
		0x13	AssignedFrequency	assigned_freq	2
		0x14	AssignedBandwidth	assigned_bw	2
		0x15	AllocatedPower	allocated_power	1
		0x20	RadioResourceInfo	resource_info	4
0x31	YSMReport	0x40	Timestamp	timestamp	Variable
		0x41	StartFrequency	start_freq	4
		0x42	EndFrequency	end_freq	4
		0x43	Occupancy	occupancy	1
		0x44	NumberofMeasurements	num_measurements	2
		0x45	Decision	decision	Variable