Cordless communication system operating under the dect standard

• US 6,434,388 B1
• Filed: 11/30/1998
• Issued: 08/13/2002
• Est. Priority Date: 12/02/1997
• Status: Expired due to Term

• Current Assignee: WSOU Investments, LLC (WSOU Holdings, LLC)
• Original Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Inventors: Szalajski, David
• Primary Examiner(s): Hunter, Daniel
• Assistant Examiner(s): TRAN, PABLO N
• Application Number:
  US09/201,497
• Time in Patent Office: 1,352 Days
• Field of Search: 455/437, 455/525, 455/422, 455/432, 455/436, 455/440, 455/443, 455/444, 455/524, 455/446, 455/62, 455/450, 455/463, 455/464, 455/421, 455/403, 455/67.1, 455/67.3
• US Class Current: 455/437
• CPC Class Codes: H04M 1/733 with a plurality of base stations connected to a plurality of lines for selection in cordless PBX H04W84/16
• CPC Class Codes: H04M 2250/08 home cordless telephone systems using the DECT standard
• CPC Class Codes: H04W 24/00 Supervisory, monitoring or testing arrangements
• CPC Class Codes: H04W 36/06 Reselecting a communication resource in the serving access point
• CPC Class Codes: H04W 36/36 by user or terminal equipment
• CPC Class Codes: H04W 48/20 Selecting an access point
• CPC Class Codes: H04W 76/20 Manipulation of established connections

Abstract

The present invention relates to a cordless communication system with high user capacity, especially cordless communication systems operating under the DECT standard. This system comprises fixed or mobile terminals (T1, T2, T3, T4), radio sets (B1, B2, B3) with which the terminals can communicate, and radio controllers (CR1, CR2) linked groupwise to the radio sets. The collection of radio controllers manages the collection of radio sets. Each terminal continually examines the state of the radio set, saturated or otherwise, onto which it is locked, and then, if the radio set is saturated, triggers a new operation of locking onto another radio set.

Claims

1. A cordless communication system, comprising:

a plurality of terminals; and

a plurality of radio sets with which the terminals can communicate, each radio set being able to simultaneously handle up to a predetermined number of communications without being saturated, each terminal locking onto one of the plurality of radio sets, each terminal being continually aware of the state of the radio set onto which it is locked, and responsive to the radio set becoming saturated, the terminal triggers an operation of locking onto another radio set.

3. The system according to claim 1, wherein:

the cordless communication system is operating under the DECT standard; and

the predetermined number of communications each radio set is able to handle without being saturated is twelve.

4. The system according to claim 1, wherein each terminal examines the state of the radio set onto which it is locked.

2. A cordless communication system comprising:

a plurality of terminals;

a plurality of radio sets with which the terminals can communicate, each radio set being able to simultaneously handle up to a predetermined number of communications without being saturated, each terminal locking onto one of the plurality of radio sets, each terminal being continually aware of the state of the radio set onto which it is locked, and responsive to the radio set being saturated, the terminal triggers an operation of locking onto another radio set; and

radio controllers linked groupwise to the plurality of radio sets, the radio controllers being linked to a telephone network, each terminal being aware of the state of the radio controller linked to its radio set, and responsive to the radio controller being saturated, the terminal triggers an operation of locking onto another radio set linked to another radio controller.

5. The system according to claim 2, wherein each terminal examines the state of the radio controller linked to the radio set onto which the terminal is locked.

6. A cordless communication system, comprising:

a plurality of terminals;

a plurality of radio sets with which the terminals can communicate, each terminal locking onto one of the plurality of radio sets; and

one or more radio controllers linked groupwise to the plurality of radio sets, the radio controllers being linked to a telephone network, and responsive to a particular radio controller being saturated, the terminal, which is locked to the radio set linked to that particular radio controller, triggers an operation of locking onto another radio set linked to another radio controller.

7. The system according to claim 6, wherein each terminal examines the state of the radio controller linked to the radio set onto which the terminal is locked.