SIST EN 301 649 V1.2.1:2005

• Abstract:

  Update to introduce 4- and 8-level modulation in DPRS To produce a standard comprising the existing A, B and C profiles type 1 and 2

• Status: Published
• Publication Date: 30-Jun-2005
• ICS: 33.070.30 - Digital Enhanced Cordless Telecommunications (DECT)
• Technical Committee: RES - Radio equipment and systems
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jul-2005
• Due Date: 01-Jul-2005
• Completion Date: 01-Jul-2005
• Ref Project: ETSI EN 301 649 V1.2.1 (2001-06) - Digital Enhanced Cordless Telecommunications (DECT); DECT Packet Radio Service (DPRS)

Overview

SIST EN 301 649 V1.2.1:2005 is a Slovenian adoption of the European standard EN 301 649, focusing on the Digital Enhanced Cordless Telecommunications (DECT) Packet Radio Service (DPRS). Developed by SIST (Slovenian Institute for Standardization), this standard details the technical requirements and service definitions for reliable digital cordless communication through DECT and DPRS. Notably, this version updates the standard to introduce 4- and 8-level modulation schemes in DPRS, and consolidates existing profiles (A, B, C, type 1 and 2) to facilitate advanced data communication over cordless networks.

DECT and DPRS technologies are fundamental for enabling mobile, wireless voice and data services in environments where flexibility, security, and scalability are key. This standard ensures interoperability, efficient radio resource management, and robust data transmission, supporting the growing demand for wireless communications in both residential and business contexts.

Key Topics

• DECT Packet Radio Service (DPRS): Specifies the structure and operation of packet-based radio services using DECT technology, supporting mobility and flexibility in wireless communications.
• Modulation Schemes: Introduction and support for 4-level and 8-level modulation, enhancing data rates and improving spectrum efficiency within DPRS deployments.
• Profiles Consolidation: Standardizes and integrates the existing A, B, and C profiles (type 1 and 2), ensuring broader compatibility and streamlined implementation.
• Layered Architecture: Details requirements and procedures for each protocol layer, including:
  • Physical (PHL)
  • Medium Access Control (MAC)
  • Data Link Control (DLC)
  • Network (NWK)
• Resource and Connection Management: Defines management procedures for logical and physical connections, bandwidth modification, service class handling, and connection handover to optimize data throughput and maintain service quality.
• Security & Encryption: Recommendations for encryption modes and key management to protect data integrity and privacy during wireless communication.
• Quality Control: Mechanisms for reporting and maintaining bearer quality, including error detection, RF performance, and connection stability.

Applications

The SIST EN 301 649 V1.2.1:2005 standard has practical value in a range of telecommunications and wireless networking scenarios:

• Cordless Office Phones: Ensures seamless packet-based data and voice communication for business users, with support for mobility and robust connection management.
• Wireless Data Networks: Implements DPRS as a reliable backbone for short-range wireless data services, such as in retail, industrial, and healthcare environments.
• Internet Access Points: Supports wireless internet or intranet access in residential or commercial buildings, leveraging enhanced modulation for increased data capacity.
• Industrial Automation: Bolsters machine-to-machine (M2M) communications where quick, reliable, and secure data packets need to be exchanged in dynamic environments.
• Secure Communications: Provides specifications for implementing encryption, necessary for secure wireless transmission in both private and enterprise deployments.

Related Standards

Implementers and stakeholders working with SIST EN 301 649 V1.2.1:2005 will also benefit from understanding related wireless and telecommunications standards:

• EN 300 175 (DECT Common Interface): Foundation standard for DECT system interoperability.
• EN 301 406 (DECT Radio Interface): Specifies the radio aspects of DECT systems.
• ETSI EN 301 649 (Original Version): The European counterpart which forms the basis of the SIST adoption.
• IEC/ISO Standards for Wireless Communication: Additional relevant international standards governing secure and reliable wireless systems.
• ITU Recommendations: Guidelines for harmonized use of wireless technologies across global networks.

By aligning with SIST EN 301 649 V1.2.1:2005, organizations can ensure they are deploying modern, standardized, and interoperable DECT-based wireless systems that meet current requirements for mobility, data performance, and security.

SLOVENSKI STANDARD
01-julij-2005
'LJLWDOQHL]EROMãDQHEUH]YUYLþQHWHOHNRPXQLNDFLMH'(&73DNHWQDUDGLMVND
VWRULWHY'(&7'356
Digital Enhanced Cordless Telecommunications (DECT); DECT Packet Radio Service
(DPRS)
Ta slovenski standard je istoveten z: EN 301 649 Version 1.2.1
ICS:
33.070.30 'LJLWDOQHL]EROMãDQH Digital Enhanced Cordless
EUH]YUYLþQHWHOHNRPXQLNDFLMH Telecommunications (DECT)
'(&7
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

European Standard (Telecommunications series)
Digital Enhanced Cordless Telecommunications (DECT);
DECT Packet Radio Service (DPRS)

2 ETSI EN 301 649 V1.2.1 (2001-06)
Reference
REN/DECT-A0178
Keywords
data, DECT, mobility, profile, radio, layer 2
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© European Telecommunications Standards Institute 2001.
All rights reserved.
ETSI
3 ETSI EN 301 649 V1.2.1 (2001-06)
Contents
Intellectual Property Rights .10
Foreword.10
1 Scope.11
2 References.11
3 Definitions, symbols and abbreviations .12
3.1 Definitions . 12
3.2 Symbols . 13
3.3 Abbreviations. 13
4 Description of services.15
4.1 Data services structure. 15
4.2 Service objectives. 16
4.3 Service definitions. 17
4.3.1 PHL service definitions. 17
4.3.2 MAC service definitions . 17
4.3.3 DLC service definitions. 18
4.3.4 NWK feature definitions . 19
4.3.5 Application service definitions . 21
4.3.6 Distributed Communication. 21
4.3.7 Management Entity. 21
4.4 General Class/Service/Interworking support. 22
5 PHL requirements.22
5.1 General requirements. 22
5.2 Modulation schemes. 22
6 MAC layer requirements.23
6.1 MAC services . 23
6.2 MAC service to procedure mapping. 23
7 DLC-layer requirements .25
7.1 DLC services. 25
7.2 DLC feature to procedure mapping. 26
8 NWK layer requirements .27
8.1 NWK features . 27
8.2 NWK feature to procedure mapping. 28
8.3 Application features . 31
8.4 Application feature to procedure mapping. 31
8.5 Distributed Communications . 32
9 Management Entity Requirements .32
9.1 Introduction. 32
9.2 Description of the DPRS operation principles . 33
9.2.1 General. 33
9.2.2 Service class 1 . 33
9.2.3 Service class 2 . 33
9.3 Resource and physical connection management . 33
9.3.1 Requirements applicable to the Fixed Part (FP). 33
9.3.1.1 Conditions for resumption and management procedures . 33
9.3.1.1.1 General . 33
9.3.1.1.2 ME procedures for FT initiated connection resumption . 34
9.3.1.2 Connection Suspension conditions . 35
9.3.1.2.1 General . 35
9.3.1.2.2 Connection suspension due to no data activity. 35
9.3.1.2.3 Connection suspension due to violation of the minimum number of bearers (MAC Bandwidth
command). 35
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4 ETSI EN 301 649 V1.2.1 (2001-06)
9.3.1.2.4 Connection suspension by loss of all received bearers. 35
9.3.1.2.5 Activation of Fast Scan mode after Connection suspension . 35
9.3.1.3 Conditions for Bandwidth modification. 36
9.3.1.3.1 General . 36
9.3.2 Requirements applicable to the Portable Part (PP). 36
9.3.2.1 Conditions for connection resumption. 36
9.3.2.1.1 Procedure for PT initiated Connection resumption . 36
9.3.2.1.2 "RFP-busy-for-data" flag. 36
9.3.2.1.3 Waiting time for collision avoidance after deactivation of "RFP-busy-for-data" flag. 36
9.3.2.1.4 Bandwidth after resumption. 36
9.3.2.1.5 Resumption rejection by the FP . 37
9.3.2.2 Conditions for Connection Suspension. 37
9.3.2.2.1 General . 37
9.3.2.2.2 Connection suspension due to no data activity. 37
9.3.2.2.3 Connection suspension due to violation of the minimum number of bearers (MAC Bandwidth
command). 37
9.3.2.2.4 Connection suspension by loss of all received bearers. 37
9.3.2.2.5 Activation of fast scan mode after Connection suspension. 37
9.3.2.3 Conditions for Bandwidth modification. 38
9.3.2.3.1 General . 38
9.4 Logical Connection management. 38
9.4.1 Requirements for class 1 devices . 38
9.4.2 Requirements for class 2 devices . 38
9.4.2.1 General Description. 38
9.4.2.2 Normal procedures of virtual call set-up and release. 38
9.4.2.3 Abnormal release of Virtual Calls . 39
9.4.2.4 Release of Logical Connection. 39
9.4.3 The handshake (stay alive) procedure. 39
10 MAC layer procedures.40
10.1 General . 40
10.1.1 Frame and multiframe structure. 40
10.1.2 Bit mappings. 40
10.1.3 Time multiplexers. 40
10.1.4 Scrambling . 41
10.1.5 Error control . 41
10.1.6 A-tail identifications . 41
10.1.7 B-field identifications. 41
10.1.8 RFP idle receiver scan sequence. 41
10.1.9 PT receiver scan sequence. 41
10.1.10 PP states and state transitions . 41
10.1.11 Identities. 41
10.2 Non continuous broadcast. 42
10.2.1 Request for specific Q-channel information . 42
10.2.2 Request for a new dummy. 42
10.3 Downlink broadcast. 42
10.3.1 N messages . 42
T
10.3.2 Q messages . 43
T
10.3.2.1 Q - static system information. 43
T
10.3.2.2 Q - FP capabilities . 44
T
10.3.2.2.1 Standard FP Capabilities. 44
10.3.2.2.2 Extended FP Capabilities. 44
10.3.2.3 Q - SARI list contents. 45
T
10.3.2.4 Multiframe number. 45
10.4 Paging broadcast . 46
10.4.1 Paging message formats. 46
10.4.1.1 Long or full page message format . 46
10.4.1.2 Short page message format . 46
10.4.1.3 Zero length page message format. 47
10.4.1.4 MAC resume page message format. 47
10.4.1.5 MAC layer information in zero and short length paging messages . 47
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5 ETSI EN 301 649 V1.2.1 (2001-06)
10.4.1.5.1 RFP status. 48
10.4.2 MAC layer information messages procedures . 48
10.4.2.1 Blind slot information for circuit mode service. 49
10.4.2.2 Bearer handover/replacement information. 49
10.4.2.3 Other bearer position . 49
10.4.2.4 Recommended other bearer position. 49
10.4.2.5 Dummy or C/L bearer position. 49
10.4.2.6 C/L bearer position . 49
10.4.2.7 RFP-status and Modulation Types. 49
10.4.2.8 Blind slot information for packet mode service.49
10.4.3 Normal paging. 50
10.4.4 Fast paging . 50
10.4.5 Low duty cycle paging. 50
10.4.6 MAC paging. 50
10.5 Logical Connection Setup. 50
10.6 Logical Connection Release. 50
10.7 Connection Modification . 50
10.7.1 Connection Modification to change bandwidth . 50
10.7.1.1 Bandwidth negotiation. 51
10.7.1.2 Bandwidth modification. 52
10.7.1.3 Suspend. 53
10.7.1.4 Resume . 55
10.7.1.5 Bandwidth modification rejection . 55
10.7.2 Connection modification to change service type . 56
10.7.3 Connection modification to change the modulation scheme. 56
10.7.4 ATTRIBUTES_T.req/cfm. 56
10.8 Physical Connection Setup . 57
10.8.1 Single bearer physical connection setup. 57
10.8.2 Multibearer Physical Connection setup. 57
10.9 Physical Connection Release . 57
10.10 Bearer Setup. 58
10.10.1 Single duplex bearer setup. 58
10.10.1.1 PT initiated Single duplex bearer setup. 59
10.10.1.2 FT initiated Single duplex bearer setup. 59
10.10.1.3 Usage of channel list messages for single duplex bearer setup . 60
10.10.2 Double simplex bearer setup . 60
10.11 Bearer Release . 61
10.11.1 Unacknowledged release. 61
10.11.2 Acknowledged release. 62
10.11.3 Fast release. 62
10.12 Advanced connection handover . 62
10.13 I-channel operation. 63
10.13.1 Protected I-channel error-detect mode . 63
10.13.2 Protected I-channel error-correct mode. 63
10.13.2.1 Unilateral jump. 63
10.13.2.2 Bearer reset . 63
10.14 C-channel operation . 64
10.14.1 C -channel. 64
S
10.14.2 C -channel. 64
F
10.15 Encryption . 64
10.15.1 Encryption process - initialization and synchronization. 64
10.15.2 Encryption mode control. 65
10.15.2.1 M message. 66
T
10.15.2.2 PT procedure for enabling encryption. 66
10.15.2.3 PT procedure for disabling encryption. 66
10.15.3 Handover encryption process. 66
10.16 Quality control . 66
10.16.1 RFPI handshake. 66
10.16.2 PT frequency correction . 66
10.16.3 Bearer quality report . 67
10.16.4 Bearer and connection control . 67
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6 ETSI EN 301 649 V1.2.1 (2001-06)
10.16.5 A-CRC handshake . 68
10.17 Physical channel selection . 68
10.18 Bearer replacement. 68
10.19 Bearer handover request . 68
10.20 G -channel. 69
F
10.20.1 G -channel data . 69
F
11 DLC layer procedures .69
11.1 LU10 Enhanced Frame RELay service (EFREL).69
11.1.1 Window size. 69
11.1.2 U-plane transmission class 2 . 70
11.1.2.1 Sending side procedures. 70
11.1.2.2 Receiving side procedure. 70
11.2 FU 10 framing (FU10a, FU10b, FU10c) . 70
11.2.1 FU10a. 70
11.2.2 FU10b . 70
11.2.3 FU10c. 71
11.3 Class A operation . 71
11.3.1 Class A link establishment . 71
11.3.1.1 Lower Layer Management Entity (LLME) establishment of a MAC connection. 71
11.3.2 Class A acknowledged information transfer. 73
11.3.3 Class A link release. 73
11.3.4 Class A link re-establishment . 73
11.4 Class U operation . 73
11.4.1 Class U use of LLN for unacknowledged information transfer . 74
11.4.2 Class U link establishment . 74
11.4.3 Class U unacknowledged information transfer . 74
11.4.4 Class U unacknowledged release. 74
11.5 Lc frame delimiting and sequencing service. 74
11.5.1 C -channel fragmentation and recombination . 74
S
11.5.2 C -channel fragmentation and recombination . 74
F
11.5.3 Selection of logical channels (C and C ). 74
S F
11.6 Broadcast Lb service . 74
11.6.1 Normal broadcast. 74
11.6.2 Expedited broadcast. 76
11.7 Connection handover. 77
11.7.1 Class A connection handover . 77
11.7.1.1 Voluntary handover . 77
11.7.1.2 Associated procedure. 77
11.7.1.2.1 LLME connection handover management. 77
11.7.1.3 Exceptional case. 77
11.7.1.3.1 Receipt of a request for link release . 77
11.8 Connection modification. 78
11.9 Encryption switching. 79
11.9.1 Associated procedure . 79
11.9.1.1 Providing Encryption key to the MAC layer. 79
11.9.2 Exceptional cases. 79
11.9.2.1 Encryption fails . 79
11.9.2.2 Connection handover of ciphered connections.80
11.10 Connectionless point-to-multipoint transmission . 80
12 NWK layer procedures .80
12.1 Outgoing call request. 81
12.2 Incoming call request . 81
12.3 Terminal capability indication . 81
12.4 Internal call keypad . 83
12.5 Call Resources/Parameters negotiation. 83
12.5.1 Default values. 90
12.5.2 Exceptional cases. 91
12.6 Bandwidth Change. 92
12.6.1 Associated procedures. 94
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7 ETSI EN 301 649 V1.2.1 (2001-06)
12.6.1.1 Timer F/P < CC_service > management.94
12.6.2 Exceptional cases. 94
12.6.2.1 Service change request is rejected . 94
12.6.3 Examples. 95
12.7 IWU-attributes change. 95
12.8 Dynamic Parameters Allocation. 96
12.8.1 Default Dynamic Parameters Allocation.100
12.9 Cipher-switching initiated by PT.100
12.10 Temporary Identity Assign .101
12.10.1 Associated procedures.101
12.10.1.1 Timer F-< MM_ident.1 > management .101
12.10.2 Exceptional cases.102
12.10.2.1 PT rejects the identity assignment .102
12.11 Indirect FT initiated link establishment .102
12.12 Fast paging.103
12.13 Collective and Group Ringing.103
12.14 Direct FT initiated link establishment .103
12.14.1 Exceptional case .105
12.14.1.1 Link establishment failure.105
12.15 LCE Resume Paging.105
12.16 Broadcast attributes management.106
12.17 U-plane handling.107
12.18 Management of MM procedures .108
12.19 Management - PMID.108
12.20 Length of NWK layer messages.108
12.21 Identities .108
13 Distributed Communications.108
13.1 Void.108
13.2 General Requirements .108
13.2.1 DCDL-net.108
13.2.2 Subscription.109
13.2.3 Communication.109
13.3 Procedure description .109
13.3.1 HyP Identities .109
13.3.2 Membership Access Rights Allocation .109
13.3.3 Re-initialization of membership access rights .109
13.3.4 Members Data Transfer.109
13.3.5 Presence/Absence Indication .109
13.3.6 Bandwidth management.109
13.3.7 Direct Link Establishment.110
13.3.8 Indirect Link Establishment.110
13.3.9 MASTER management .110
13.3.9.1 MASTER assign.110
14.3.9.2 MASTER Change.110
13.3.9.3 DCDL-net System bearer management.110
13.3.10 Common Subscription Database management.110
13.3.11 Handover issues.111
13.4 Elements of Messages/Information Elements .111
13.5 Usage of PPs or FPs in DCDL-net .
...