Browse Prior Art Database

IMPROVED ZONE SCAN OPERATION IN A SUBSCRIBER RADIO

IP.com Disclosure Number: IPCOM000007581D
Original Publication Date: 1996-May-01
Included in the Prior Art Database: 2002-Apr-08
Document File: 4 page(s) / 179K

Publishing Venue

Motorola

Related People

Gary Fati: AUTHOR

Abstract

Several Motorola portable and mobile radios zone/channel via the radio keypad. The radio uses implement the conventional radio scan feature based the zone/channel mapping to determine which per- on a set of linked lists. Refer to Figure 1 below. The sonality to use. The current portable radios are lim- radio's operating characteristics are described in a ited to 256 personalities: The personality contains radio's personality. The user selects the radio's the frequency, PL code, receive mode, transmit mode, ASTRO CONVENTIONAL RADIO INTERNAL TABLE OVERVIEW (EXAYPLE COOEPLUG STRUCTURE FOR A GENERAL RADIO) PERSONALITIES (255) TX/RX FREO. ;;;;;oMODE SIGNALLING TYPE AND SYSTEY NUUBER SCAN LIST NUUEER RAC OPTIONS SOUE ASTRO OPTIONS SOUE SECURE OPTIONS ZONE/CHANNEL TABLES (100) CHANNEL PERS ZONE NUUBER NAUE NUUBER 1 I MUTUAL AID 1 2 JOINT OPS 2 1 ; fiHAG;NCY ;

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Page 1 of 4

MOTOROLA Technical Developments

IMPROVED ZONE SCAN OPERATION IN A SUBSCRIBER RADIO

by Gary Fati

  Several Motorola portable and mobile radios zone/channel via the radio keypad. The radio uses implement the conventional radio scan feature based the zone/channel mapping to determine which per- on a set of linked lists. Refer to Figure 1 below. The sonality to use. The current portable radios are lim- radio's operating characteristics are described in a ited to 256 personalities: The personality contains radio's personality. The user selects the radio's the frequency, PL code, receive mode, transmit mode,

ASTRO CONVENTIONAL RADIO INTERNAL TABLE OVERVIEW (EXAYPLE COOEPLUG STRUCTURE FOR A GENERAL RADIO)

PERSONALITIES (255)

TX/RX FREO. ;;;;;oMODE

SIGNALLING TYPE AND SYSTEY NUUBER SCAN LIST NUUEER RAC OPTIONS

SOUE ASTRO OPTIONS SOUE SECURE OPTIONS

ZONE/CHANNEL TABLES (100)

CHANNEL PERS ZONE NUUBER NAUE NUUBER

1

I MUTUAL AID 1 2 JOINT OPS 2

1

; fiHAG;NCY ;

1 . . . .

1 10 ALPHA 5 IO ------------

CHANNEL PERS ZONE NUUBER NAUE NUYEER

:

YUTUAL AID 1 : JOINT OPS

:

5 ALL AGENCY : 6 BAKER 1 11

. .

-2--K! -BMR_5- - 15-

CHANNEL PERS ZONE NUYEER NAUE NUUBER

i

SCAN LIST (20)

,'

,' DYNAMIC PRIORITY

PRIORITY 1 UEUEER

UEM,BER ZO,NE CHAYNEI

i

#

:

-

UUTUAL AID 1 : JOINT OPS

5 ALL AGENCY : 6 CHARLIE 1 16

. . . .

:

i i

:

5

l--!Q ~'2!~UC5~10

CHANNEL PERS ZONE NUMBER NAUE NUYEEfi

:

UUTUAL AID 1 : JOINT OPS

:

5 ALL AGENCY : 6 DELTA 1 21

. . . 4 10 DELTA 5 25

1. USER SELECTS ZONE/CHANNEL VIA KEYPAD.

2. RADIO SW DETERUINES WHICH PERSONALITY TO USE EASED ON THE ZONE/CHANNEL YAP.

3. ONCE IN THAT PERSONALITY, IF SCAN IS ENABLED, THE PERSONALITY POINTS TO THE SCAN LIST

TO USE FOR THE SCAN OPERATION. A PERSONALITY CAN ONLY POINT TO 1 SCAN LIST.

4. THE SCAN LIST CONTAINS THE ZONE/CHANNEL NUMBER TO BE SCANNED. THE PERSONALITY ASSOCIATED

WITH THAT ZONE/CHANNEL NUUBER IS CONTAINED IN THEZONE/CHANNEL UAPPING TABLE.

5. THE RADIO SCANS THOSE PERSONALITIES THAT ARE ASSOCIATED WITH THE

ZONE/CHANNEL NUUBER CONTAINED IN THE SCAN LIST.

Fig. 1

e Mol"r"in. I"<~ ,'I')6 6 May NY6

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Page 2 of 4

M-ROLA Technical Developments

signalling type, scan list, and other key characteristics. aid or joint agency operations.

  The zone/channel mapping shown in Figure 1, Each personality can point to a single scan list. shows a 4 zone, 10 channel/zone configuration. The The scan list contains the zone/channel number first 5 channels in each zone use the same 5 person- (hence the personalities) that are scanned when the alities. The remaining 5 channels per zone use unique scan function is enabled. The limitation occurs when personalities. The radio uses a total of 25 personali- a user wants to utilize the same personality in mul- ties. This would be a common scenario during mutual tiple Zones (as shown in Figure 1) but wishes to

  ASTRO CONVENTIONAL RADIO INTERNAL TABLE OVERVIEW EXAUPLE CASE WHERE PERSONALITY 1 POINTS TO SCAN LIST 1. HE ZONE/CHA...