USO0RE43369E

(19) United States (12) Reissued Patent Hasegawa (54)

(10) Patent Number: US (45) Date of Reissued Patent: (56)

MOBILE COMMUNICATION SYSTEM

U.S. PATENT DOCUMENTS 4,882,766 5,081,704 5,093,924 5,189,734 5,230,081 5,327,574

(75) Inventor: Hajime HasegaWa, KaWaski (JP)

(73) Assignee: Fujitsu Limited, Kawasaki (JP) Notice:

This patent is subject to a terminal dis claimer.

A A A A A A

5,349,632 A 5,363,428 A *

5,408,684 A

11/1989 1/1992 3/1992 2/1993 7/1993 7/1994

EP

11/1994

Nagashima .............. .. 455/452.1

4/1995 Yunoki et a1.

0 659 327

3/2003

(Continued)

Reissue of:

(64) Patent No.:

6,493,561

Issued:

OTHER PUBLICATIONS

Dec. 10, 2002 Non-?nal Of?ce Action dated Sep. 8, 2005 from corresponding U.S.

Appl. No.:

08/880,665

Filed:

Jun. 23, 1997

Appl. No. 11/008,757.

US. Applications:

(Continued)

Division of application No. 11/008,757, ?led on Dec. 9, 2004, noW Pat. No. Re. 42,326.

Foreign Application Priority Data

Jun. 24, 1996 Jun. 12, 1997

(51)

Monma et a1.

FOREIGN PATENT DOCUMENTS

Jul. 30, 2010

(30)

Toshiyuki et a1. Bailey et a1. Yamada et a1.

(Continued)

Related US. Patent Documents

(62)

Akaiwa Umeda et a1.

9/1994 Nagashima

(21) Appl.No.: 12/847,426 (22) Filed:

*May 8, 2012

References Cited

ENABLING EFFICIENT USE OF SMALL-ZONE BASE STATIONS

(*)

RE43,369 E

LLP

(JP) ..................................... .. 8-163330 (JP) ..................................... .. 9-155286

Int. Cl.

H04W4/00

(2009.01)

H04B 7/00

(2006.01)

Primary Examiner * Simon Nguyen (74) Attorney, Agent, or Firm * Katten Muchin Rosenman

(57)

ABSTRACT

A mobile communication system includes a plurality of radio base stations forming respective radio Zones and a mobile station selecting a Wait Zone and a base station to Which a

request for a message channel is to be issued. Each of the

plurality of radio base stations is assigned an order of priority. Information relating to the order of priority is used by the

(52)

US. Cl. ................ .. 455/512; 455/422.1; 455/435.3;

(58)

Field of Classi?cation Search ............. .. 455/422.1,

mobile station to select a Wait Zone and a base station to Which a request for a message channel is to be issued.

455/43524353, 512, 524525 See application ?le for complete search history.

1 Claim, 32 Drawing Sheets

455/436; 370/331

I 1

ORDER OF

—

2

PRIORITY 0F

-

OTHER RADIO zones

l . . - l

2

TRAFFIC

"

CONTROL

m5

-

-

IIIIIIwIIcEIIEIII

-

-

IIIFIm/ITIIIII

-

-

RECEPTION

—# ANIIouIIcIIIc

3

4

RADIO CHANNEL

—~

6

IIIIIT CONTROL

I N

‘I L

-

RADIO BASE STATION

IL V

US RE43,369 E Page 2 U.S. PATENT DOCUMENTS 5,442,680 A * 5,499,386 A

8/1995 Schellinger et a1‘ """ " 455/4261 3/1996 Karlsson

Japanese Of?ce Action dated Sep. 27, 2005 from corresponding

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7/1996 MintZ 7/1996 Matsumoto “““““““““ “ 455/443

apanese PP ‘Ca 1°“; _ Non-?nal Of?ce Action dated Mar. 21, 2006 from corresponding

J

A

l. t.

5,603,081 A

2/1997 Raith et al.

US APP1~ N9 ll/008J57.

5,613,211 A *

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5,615,249 A

3/1997 Solondz

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5,636,223 A *

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9/1997 Meler

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273135 2

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,

,

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c

o e

e

e

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_

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Appl. No. 11/398,460.

N

?

on‘ 113

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3y

18 2009 f 5

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Tom correspon mg

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_

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APP1~N0~08/380,665~ Japanese Of?ce Action dated Jul. 3, 2007 from corresponding Japa nese Application. US. Of?ce Action dated Mar. 14, 2011, from corresponding US. Appl. No. 12/783,778. U.S. Of?ce Action dated Mar. 14, 2011, from corresponding U.S.

A A A A B1 B1

Aoshima

Liu 6161. Yazaki et 31, Trompower et al. Kato et al. Barber et al. MiIltZ et a1~

FOREIGN PATENT DOCUMENTS 8-501430 2/1996

JP

9130845

5/1997

WO

95/02309

1/ 1995

PP ~

°~

’

_ ~

Appl. No. 12/847,469.

_

U.S. Of?ce Action dated Jul. 11, 2011, from corresponding U.S. Appl. No. 12/783,778. * cited by examiner

US. Patent

May 8, 2012

Sheet 2 0f 32

US RE43,369 E

FIG.2 PRIOR ART MESSAGE TYPE

NETWORK CODE RESTRICTION "FORMATION CONTRIl CHANNEL CU'FIGURATION INFORMATION MOBILE STATION TRANSMISSION POWER SPECIFICATION

W///////A"1~JLDJ§¢§L5°, &§IE,L////////% LOCATION REGISTERED AREA MULTIPLEX LEVEL LOCATION CODE 1

LOCATION- CODE N

MAXIMUM REPORTED NUMBER U: CHANNELS

US. Patent

May 8, 2012

Sheet 4 0f 32

US RE43,369 E

wuznpma

v.9; IPOmE
US. Patent

May 8, 2012

Sheet 5 0f 32

US RE43,369 E

POWER ON w

I

MEASURE THE RECEPTION LEVEL OF A PERCH CHANNEL

S703 RECEPTION LEVEL] REFERENCE YES

SORT AND STORE I

ARE

RECEPTION LEVELS OF ALL PERCH CHANNELS

MEASURED? STIIT

\ ODTOF-THE-ZONE DISPLAY S708

STIII RECEPTION LEVEL > REFERENCE

LEVEL

S711

8712

YES ANY UNUSED MESSAGE CHANNEL

8713 \

v ASSIGNAMESSACECPANNEL OF ANOTHER BASE STATION

YES ASSIGN A MESSAGE CHANNEL

I CALL

II

FIG. 5 (PRIOR ART)

US. Patent

May 8, 2012

Sheet 6 0f 32

US RE43,369 E

mi h:2.65 0

w.97.

.Gz éo $>U6Il25 “. 0w23zQ5EN

2(H ”: S$2“E52,\8.‘

M29E

_ 595F “6 _ z .

¢

US. Patent

May 8, 2012

Sheet 8 0f 32

US RE43,369 E

25:; N.

w.OE

hzwsmuai

mw 5zo_A6%: Ezo_wowm

w

.6528

US. Patent

May 8, 2012

Sheet 10 0f 32

US RE43,369 E

FIG. 10

MESSAGE TYPE

MOBILE STATION TRANSMISSION POWER SPECIFICATION

7%

///l//I// I I I I I II'I I I I I I I I III/If/i/IW

//4 V /%£°FIE9BEWEIFEJPFI‘IIFJEQILEJB', %//////A , l'é'l 91%8559

3 //// 1 7% I

,<,L9eeL,>%////%

LOCATION REGISTERED AREA MULTIPLEX LEVEL

US. Patent

May 8, 2012

Sheet 12 0f 32

US RE43,369 E

FIG. 12

MESSAGE TYPE

MOBILE STATION TRANSMISSION POWER SPECIFICATION I I I I I I I I I I I 7 I r r T I I I f I Wr I I I rr r l ///

aCONTROL CHANNEL IDENTIFICATION CODE 01 a /1 1 1 / 1 4 1 / / 1 1 L 1 / I 1 / 4 1 / 1 / 1 / 1 l 1 z 14 1*

V

W I I r I I I I I I I I I I I I I II7/////////

I

419R, 1 4 1 1 IIPELIIIIIZPIII

I I I l r I I I f I / I / I I I I I I I I I I I I I I ll /

A

?own CHANNEL IDENTIFICATION CODE c3 7// l l / I I l L 1 l l I I I 1 l L 1 L l l 1 I l I l I l I 1 l 1i I I I I I I I I7fl/II/l/I/

If,

LOCATION REGISTERED AREA MULTIPLEX LEVEL

US. Patent

May 8, 2012

Sheet 13 0f 32

US RE43,369 E

FIG. 13

MESSAGE TYPE

MOBILE STATION TRANSMISSION POWER SPECIFICATION

7/! CONTROL CHANNEL IDENTIFICATION cone c4 /A l L 1 1 1 1 I l I L J 1 I I l j l l l l L 1 I 1 l l 1 L L L LL

W, 3,1123%

%

$509213 7////A

LOCATION REGISTERED AREA MULTIPLEX LEVEL

US. Patent

May 8, 2012

Sheet 15 0f 32

US RE43,369 E

FIG. 15 MESSAGE TYPE

MOBILE STATION TRANSMISSION POWER SPECIFICATION

V

f?n'or?'é? |'>§|'6R’|'r§ [P777

41

cnmnon. CHANNEL IDENTIFICATION CODE c1 ,,,,,,,,,,, U

//

//////,)EA,'LP',S,AS,'L€Q 291E}, BDLW

WJQ'LPE'ZBEIZSMW LOCATION REGISTERED AREA MULTIPLEX LEVEL

US. Patent

May 8, 2012

Sheet 17 0f 32

US RE43,369 E

FIG. 17 MESSAGE TYPE

MOBILE STATION TRANSMISSION POWER SPECIFICATION

V

r6235? in; I’o’R'I H 'PT ,7

7 CONTROL cIIAIIIIEL IDENTIFICATION INFORMATION 01/ 7

/

,

I

If’

4 CONTRG. CHANEL IDENTIFICAJI'IQPLIEQEMHEE}? /v

I I I I I I l'IcITIE5IvlA1-?éIAI4Irf//

iul‘é'lPiWmt LOCATION REGISTERED AREA MULTIPLEX LEVEL

%

US. Patent

May 8, 2012

US RE43,369 E

Sheet 18 0f 32

8.0E

A302

lT|

HUN =2Gzo_am a

mwuom