for Webmasters « back to results for ""
Below is a cache of http://www.apcointl.org/frequency/documents/03-20-06-PublishFinalVersionofReformattedP25SoR.pdf. It's a snapshot of the page taken as our search engine crawled the Web.
The web site itself may have changed. You can check the current page or check for previous versions at the Internet Archive. Yahoo! is not affiliated with the authors of this page or responsible for its content.
PROJECT 25
i


PROJECT 25
STATEMENT
OF
REQUIREMENTS
March 9, 2006
(Supersedes P25 SoR Versions January 17, 2002 and April 3, 2003)
ii

iii

Table of Contents
Introduction ......................................................................................................................1
P25 SoR Revision History ................................................................................................1
Objectives of the P25 SoR................................................................................................1
Definitions of Project 25 Phase 0, Phase 1, and Phase 2...............................................1
Interpreting the P25 SoR .................................................................................................2
Table of P25 User Needs Requirements .........................................................................3
1.0

Project 25 (P25) Overview ......................................................................................4

1.1

P25 Statement of Requirements (P25 SoR) ..............................................................................................4

1.1.1

P25 SoR Objectives ..............................................................................................................................4

1.2

Regulatory and Standards Applicability ...................................................................................................4

1.2.1

Bandwidth Compliance ........................................................................................................................4

1.2.1.1

12.5 and 6.25 kHz Bandwidth ...................................................................................................4

1.2.1.2

25 kHz Equivalency Bandwidth................................................................................................4

1.3

Other Applicable Standards, Technical Documents, and Requirements...................................................4

1.3.1

APCO Project 16 ..................................................................................................................................4

1.3.1.1

Project 16 Compatibility ...........................................................................................................4

1.3.2

ANSI/TIA/EIA .....................................................................................................................................5

1.3.2.1

ANSI/TIA/EIA-603 Compliance...............................................................................................5

1.3.3

Subscriber Unit MIL-SPEC Requirements...........................................................................................5

1.3.3.1

Method 506.3; Rain, Procedure I Blowing Rain ..................................................................5

1.3.3.2

Method 509.3; Salt Fog, Procedure I Aggravated Screening..............................................5

1.3.3.3

Method 510.3; Sand and Dust, Procedure I Blowing Dust..................................................5

1.3.3.4

Method 514.4; Vibration, Procedure I, Category 10 Minimum Integrity Test (3 axis)....5

1.3.3.5

Method 516.4; Shock, Procedure I Functional Shock..........................................................5

2.0

Detailed Standards Suite Proposed........................................................................5

2.1

P25 Common Air Interface (CAI).............................................................................................................5

2.1.1

P25 Common Air Interface...................................................................................................................5

2.1.1.1

Phase 1 CAI ................................................................................................................................5

2.1.1.2

Phase 2 CAI ................................................................................................................................6

2.1.1.3

Common Channel Operation....................................................................................................6

2.1.2

P25 Standard Service Set......................................................................................................................6

2.1.2.1

Group calls in a Conventional system. .....................................................................................6

2.1.2.2

Group calls in a Trunked system..............................................................................................6

2.1.2.3

Private calls in a Conventional system. ....................................................................................6

2.1.2.4

Private calls in a Trunked system.............................................................................................6

2.1.2.5

PSTN Interconnect calls in a Conventional system.................................................................6

2.1.2.6

PSTN Interconnect calls in a Trunked system. .......................................................................6

2.1.2.7

The system shall support digital DTMF overdial for PSTN interconnect calls....................6

2.1.2.8

The system shall provide an SU or console the ability to play tone sequences to another
SU. 6

2.1.2.9

Voice encryption control in a Conventional system................................................................6

2.1.2.10

Voice encryption control in a Trunked system........................................................................6

2.1.2.11

Preprogrammed (i.e., user definable) Data messages in a Conventional system. ................6

2.1.2.12

Preprogrammed (i.e., user definable) Data messages in a Trunked system. ........................6

2.1.2.13

Tracking of individual and group members in conventional systems as they move,
automatically or manually, from channel to channel, site to site, or RFSS to RFSS within and
between systems for resource management needed to support voice, data, and OTAR operation. ....6

2.1.2.14

Tracking of individual and group members in trunked systems as they move from site to
site and RFSS to RFSS within and between systems for resource management needed to support
voice, data, and OTAR operation. .............................................................................................................7

iv

2.1.2.15

Dynamic subscriber unit talk-group regrouping in a Conventional system.........................7

2.1.2.16

Dynamic subscriber unit talk-group regrouping in a Trunked system. ...............................7

2.1.2.17

Emergency alarm in a Conventional system. ..........................................................................7

2.1.2.18

Emergency alarm in a Trunked system. ..................................................................................7

2.1.2.19

Transport of a talkers ID from the sending equipment to the receiving equipment during
voice and data transmissions in a Conventional system. .........................................................................7

2.1.2.20

Transport of a talkers ID from the sending equipment to the receiving equipment during
voice and data transmissions in a Trunked system. .................................................................................7

2.2

P25 Data Interfaces: Mobile Data Interface (A Interface) and Fixed Host Data Interface (E
d
Interface)7

2.2.1

P25 Mobile Data Interface (A Interface) ..............................................................................................7

2.2.1.1

Mobile Data Interface Protocols...............................................................................................7

2.2.1.2

MDT to MDT Communication .................................................................................................7

2.2.1.3

MDT to Fixed Host Communication ........................................................................................7

2.2.1.4

Minimum Data Speed ................................................................................................................7

2.2.2

P25 Fixed Host Data Interface (E
d
) ......................................................................................................8

2.2.2.1

Fixed Host Data Interface Protocols ........................................................................................8

2.2.2.2

Fixed Host to MDT Communication ........................................................................................8

2.2.2.3

Fi