USO0RE42326E

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

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

MOBILE COMMUNICATION SYSTEM

5,408,684 A 5,499,386 A

ENABLING EFFICIENT USE OF SMALL ZONE BASE STATIONS

(75) Inventor: Hajime HasegaWa, Tokyo (JP) (73) Assignee: Fujitsu Limited, Kawasaki (JP)

(21) Appl.No.: 11/00s,757 (22) Filed:

5,532,702 A

*

7/1996

* *

7/1996 Matsumoto 2/1997 Raith et a1.

5,615,249 A

*

5,673,031 5,729,542 5,752,193 5,754,958 5,771,454 5,815,799 5,832,368

Dec. 9, 2004 Related US. Patent Documents

A A A A A A A

3/1997

(30)

* 9/1997 * 3/1998 * 5/1998 * 5/1998 * 6/1998 * 9/1998 * 11/1998

(51)

Dec. 10, 2002

Appl. No.:

08/880,665

Filed:

Jun. 23, 1997

SolondZ .................... .. 455/450 Meier ....................... .. 455/436 Dupont ..................... .. 370/346 Schole?eld et a1. .... .. 455/452.2 Tsuji et a1. ................ .. 455/436 Ohsawa ....... .. 455/452.2 Barnes et a1. ............... .. 455/15 Nakano et a1. .............. .. 455/63

FOREIGN PATENT DOCUMENTS

Foreign Application Priority Data (JP) ........................................... .. 8-163330 (JP) ........................................... .. 9-155286

Int. Cl. H04W 4/00 H04B 7/00

455/443 455/435

(Continued)

6,493,561

Issued:

Jun. 24, 1996 Jun. 12, 1997

MintZ ....................... .. 342/463

6/1997 Karlsson

Reissue of:

(64) Patent No.:

May 3, 2011

4/1995 Yunoki et 31. 3/1996 Karlsson

5,539,923 A 5,603,081 A

5,640,677 A

RE42,326 E

EP JP JP JP WO W0

0 659 327 8-501430 9130845 9-130845 95/02309 WO 95/02309

3/2003 2/1996 5/1997 5/1997 1/1995 1/1995

OTHER PUBLICATIONS

(2006.01) (2006.01)

Japanese O?ice Action mailed Jul. 3, 2007, from the corre

(52)

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

(58)

Field of Classi?cation Search ..... .. 455/435.1*453,

455/436; 370/331

455/512, 525, 527, 435.3, 438, 449, 452.2, 455/517

See application ?le for complete search history.

sponding Japanese Application. (Continued) Primary Examinerisimon D Nguyen (74) Attorney, Agent, or FirmiKatten Muchin Rosenman LLP

(57)

ABSTRACT

References Cited

A mobile communication system includes a plurality of radio base stations forming respective radio Zones and a

U.S. PATENT DOCUMENTS

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

(56)

i *

ékaigf

"""""""" " 455/512

of the plurality of radio base stations is assigned an order of

5’093’924 A , < 3/1992 Tgl?iyuii 2; al

455/450

priority. Information relating to the order of priority is used

5’189’734 A * 532303081 A

455/422

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

Z1993 Bailey et a1‘ 7/1993 Yamada et al‘

5,327,574 A

*

7/1994

5,349,632 A

*

9/1994 Nagashima ............... .. 455/422

Monma et a1. ............ .. 455/403

I1

29 Claims, 32 Drawing Sheets

DRIER G

_'

2

PRIORITY IF

'

UTIER RADIO ZOIES

I . . . 1'

~15

TRAFFIC

I'DNTRQ.

-

'

ANNCUNCEIIENT

'

'

INFIRIIATIOII

'

'

RECEFI'IUI

--> ANIIIIIICING

3

4

RADln CHANNEL

-—>

we

IAIT cum“.

I N

l

'

RADIO BASE STATION

:‘

US RE42,326 E Page 2

Noni?nal O?ice Action dated Oct. 6, 2006 from corre

US. PATENT DOCUMENTS 5,841,862 A

* 11/1998

Obayashiet al. .......... .. 455/424

5,845,212 A

* 12/1998

Tanaka ................. .. 455/436

5,854,981 A

* 12/1998 Wallstedtet a1.

5,873,047

A

*

5,878,038

2/1999

Nakano etal. Willey

......

.. ... ... .. ..

. . . ..

455/439

sponding U.S. Appl. No. 11/008,757.

455/561

Noni?nal O?ice Action dated Aug. 8, 2007 from corre

A

*

3/1999

5,893,033 A

*

4/1999 Keskitalo et al.

5,903,843 A

*

5/1999 Suzuki etal.

.. 455/452.2

5,930,710 A *

7/1999 Sawyer et al.

455/436

5,930,721

A

*

7/1999

5,966,662

A

*

10/1999

Friedet al. Murto

5,978,686

A

*

11/1999

Aoshima

......

.. ... ... .

. ... .. ..

5,991,642 A

* 11/1999 Watanabe et al.

6,002,679 A

* 12/1999

6,108,541 A 6,138,019 A 6,157,837 A

. . . ..

370/335

455/437

455/466 455/458

sponding U.S. Appl. No. 11/398,460.

. . . ..

455/525

Japanese Of?ce Action dated May 30, 2006 from the corre

455/560

Trompower et al. ....... .. 455/436 Kato et al. ............. .. 455/437

6,405,038 B1 *

6/2002 Barberetal. 8/2002

sponding U.S. Appl. No. 11/398,460. Noni?nal O?ice Action dated May 18, 2009 from corre

. . . ..

Liu et al. .................. .. 370/335

6,437,743 B1 *

sponding U.S. Appl. No. 11/008,757. Noni?nal O?ice Action dated Oct. 23, 2006 from corre

. . . ..

8/2000 Yazakiet a1. * 10/2000 * 12/2000

sponding U.S. Appl. No. 11/008,757. Noni?nal O?ice Action dated Jun. 11, 2009 from corre

455/434

MintZ et al. ............... .. 342/463

OTHER PUBLICATIONS

sponding Japanese Application. Noni?nal O?ice Action dated Feb. 18, 2000 from corre

sponding U.S. Appl. No. 08/880,665. Noni?nal I?ice Action dated Aug. 30, 2000 from corre

sponding U.S. Appl. No. 08/880,665. Noni?nal O?ice Action dated Feb. 13, 2001 from corre

sponding U.S. Appl. No. 08/880,665. Final O?ice Action dated Jul. 26, 2001 from corresponding

Japanese O?ice Action dated Sep. 27, 2005 With translation.

U.S. Appl. No. 08/880,665.

Noni?nal O?ice Action dated Sep. 8, 2005 from corre

Noni?nal O?ice Action dated Aug. 4, 1999 from corre

sponding U.S. Appl. No. 11/008,757.

sponding U.S. Appl. No. 08/880,665.

Japanese O?ice Action dated Sep. 27, 2005 from the corre

Japanese O?ice dated Jul. 3, 2007 from the corresponding

sponding Japanese Application.

Japanese Application.

Noni?nal O?ice Action dated Mar. 21, 2006 from corre

sponding U.S. Appl. No. 11/008,757.

* cited by examiner

US. Patent

May 3, 2011

Sheet 2 or 32

US RE42,326 E

FIG. 2 PRIOR ART MESSAE TYPE

NETWORK CODE

RESTRICTIOITI'FORMATION CONTRQ CHANNEL COPFIGURATION INFORMATION MOBILE STATION TRANSMISSION POWER SPECIFICATION

LOCATION REGISTERED AREA MULTIPLEX LEVEL LOCATION cone 1

LOCATION CODE N

MAXIMUM REPORTED NUMBER (1: CHANNELS

US. Patent

May 3, 2011

Sheet 4 or 32

US RE42,326 E

Al _

_

_

_ _

_

_

_

_

_ _ _

_

_

_

_

_

Quads.

_

US. Patent

May 3, 2011

57°"

Sheet 5 or 32

US RE42,326 E

POWERON 7

S702 \

MEASURE THE RECEPTION LEVEL OF A PERCH CHANNEL

s7°‘\

sommu STORE

S705

ARE

RECEPTION LEVELS OF ALL PERCH CHANNELS MEASURED? S707 STU

YES 6

\

STORED

-

IN THE MEMORY?

OUTOF-THE-ZONE DISPLAY

YES WA"

sma

7

T

s °9\

CALLREOUEST

S710 _

RECEPTION

LEVEL > REFERENCE

LEVEL

8711

YES ANY UNUSED MESSAGE CHANNEL YES

S712

5713 ‘I \ ASSIGN A MESSAGE CHANNEL OF ANOTHER BASE STATION

.

ASSIGN A MESSAGE CHANNEL

I

Sm\

cm



FIG. 5

(PRIOR ART)

US. Patent

May 3, 2011

N _ w m

Sheet 8 or 32

¢

02Ak5lt.2’“:?

w.QE

US RE42,326 E

N m

Ew?ozsi 258m 5:6280.T6i5l3,0 -

US. Patent

May 3, 2011

Sheet 10 or 32

US RE42,326 E

FIG. 10 MESSAGE TYPE

MOBILE snmou TRANSMISSION POWER SPECIFICATION

/ EBMYQYHA’NE’IBE?T’IFMHON 121003677 diagram. CHANNEL IDEIfF/IFICATION cons 03

/Z /

LOCATION REGISTERED AREA MULTIPLEX LEVEL

US. Patent

May 3, 2011

Sheet 12 0132

US RE42,326 E

FIG. 12 MESSAGE TYPE

MOBILE STATION TRANSMISSION POWER SPECIFICATION

7 25115011111115 152E121 611.61 '60112 '61’ '// ORDER 6-‘ PRIORITY P‘

2291111,

L'Z'EIE'PEtEOPZE'B

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comm. 04mm IDENTIFICATION cons c4 7

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US. Patent

May 3, 2011

Sheet 13 or 32

US RE42,326 E

FIG. ‘I3

MESSAGE TYPE

MOBILE STATION TRANSMISSION POWER SPECIFICATION

omen 0F PRIORITY P1 /

mudfcy, n1lvr/L?wNI1MW

C 1 I w C , .l1|”/l.1r& A1/(1 Or1/Omw1r ymunwali

/, /, 11L43 7A % [7IIC1 7// ///1 m1 n1/W1 N1”I NHIE ID/1’ ,H“M,an?” am”,H,”,, “11m”:1M1”W1”11W“,1”1 16/C1.11,6 W ,7///A / I M l / N l 1 r ) ‘ . ’/////A 7/// LOCATION REGISTERED AREA MULTIPLEX LEVEL 1/l

w1/ rnu1

uwnm”?nv,ru

U7 H 1” 1/ 11 1(I.

1r 1/ 1.1111

I

1, 111

US. Patent

May 3, 2011

Sheet 15 or 32

US RE42,326 E

FIG. l5 MESSAGE TYPE

MOBILE STATION TRANSMISSION POWER SPECIFICATION

V

'Eéu’éz’dr’ iél’da'fri’i,’ ‘V

d , lcomm. CHANNEL IDENTIFICATION cone c1 ,, ,,,,,,,,, L,

A

ME'IELSEE'ZEEEHHW V 35656? 1466a’ l'?'P’ I '7 4 CQQTBPECLW'SQJEEL‘TJELQADQEJEWEL“ C44

7//////;,!§LT,P£§§BE§9

m////////A

LOCATION REGISTERED AREA MULTIPLEX LEVEL

US. Patent

May 3, 2011

Sheet 17 0132

US RE42,326 E

FIG. 17 MESSAGE TYPE

MOBILE STATION TRANSMISSION POWER SPECIFICATION

T13R35: '61; 3131611111? '51-'57 again/T1129.’ mmm IDENTIFICATION INFORMATION

4644464111,’,ééééééé’éééé’U1”!

CORRECTED VALUE A1

7

A,,'!€',T,?',$,A,'E§Q EELJPJ‘,

IT’Il/II’I

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I I I I 17117

011051 0F PRIORITY P4

4, S'iWfPi-BWE'?-JEEUELEAD‘B'L'EQWLQN, 9:;

V/////4, 1x29199512

995%

LOCATION REGISTERED AREA MULTIPLEX LEVEL

Mobile communication system enabling efficient use of small-zone ...

Dec 9, 2004 - (10) Patent Number: (45) Date of Reissued Patent: USO0RE42326E. US RE42,326 E. May 3, 2011. (54) MOBILE COMMUNICATION SYSTEM. ENABLING EFFICIENT USE OF SMALL. ZONE BASE STATIONS. (75) Inventor: Hajime HasegaWa, Tokyo (JP). (73) Assignee: Fujitsu Limited, Kawasaki (JP).

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