Signaling of a call in a telecommunications system between a base station and a mobile component

• US 20030096615A1
• Filed: 12/06/2002
• Published: 05/22/2003
• Est. Priority Date: 02/23/2000
• Status: Abandoned Application

• Current Assignee: Siemens AG
• Original Assignee: Siemens AG
• Inventors: Schmitz, Georg, Beckers, Michael, Biedermann, Rolf, Lenfort, Christoph, Beerens, Hans-Georg
• Application Number:
  US10/204,803
• Publication Number:
  US 20030096615A1
• Time in Patent Office: Days
• US Class Current: 455/450
• CPC Class Codes: H04M 1/72505 Radio link set-up procedures

Abstract

The invention relates to a base station to which especially more mobile components are allocated than the number of radio channels provided. The base station signals an incoming connection request to the mobile components in such a way that said station establishes a bidirectional connection to one of the mobile components after the connection request has been received, whereby the base station thus signals the incoming connection request and subsequently suppresses said request. This is sequentially repeated by means of at least one component of the mobile components. In addition, the base station can simultaneously establish a unidirectional connection to all mobile components and signal the incoming connection request immediately after the connection request has been received.

Claims

1. A method for call signaling in a telecommunication system with wireless telecommunication between a base station (BS) and a portable part (MT₁ . . . MT_n), a number of “

n”

portable parts (MT₁ . . . MT_n) being allocated to the base station (BS) and a number “

k”

of radio channels being available, comprising the following features;

a) in the case of an incoming call request signaled to the base station (BS) by a telecommunication network (TKN), the base station (BS) sets up a bidirectional radio link to a first portable part (MT_x, with 1≦

x≦

n) of the n portable parts (MT₁ . . . MT_n),

b) the base station (BS) exchanges data with the first portable part (MT_x, with 1≦

x≦

n) via the bidirectional radio link,

c) the base station (BS) signals the incoming call request to the first portable part (MT_x, with 1≦

x≦

n) by means of the data exchanged via the radio link,

d) the first portable part (MT_x, with 1≦

x≦

n) indicates the signaled call request by means of appropriate call signaling,

e) the base station (BS) releases the bidirectional link to the first portable part (MT_x, with 1≦

x≦

n), the call signaling being retained at the first portable part (MT_x, with 1≦

x≦

n),

f) steps a) to e) are performed sequentially with a first group of portable parts which covers some of the portable parts (MT₁ . . . MT_n).

3. The method as claimed in one of claims 1 or 2, characterized [lacuna] the number “

n”

of the portable parts (MT₁ . . . MT_n) allocated to the base station (BS) is smaller than the number “

k”

of radio channels, that is to say the designation “

n>

k”

holds true.

4. The method as claimed in one of the preceding claims, characterized in that

a) the incoming call request is accepted by a second portable part (MT_y, with 1≦

y≦

n) of the first group of portable parts by means of a setting-up of a bidirectional radio link to the base station (BS), initialized by the second portable part (MT_y, with 1≦

y≦

n),

b) after completed setting up of the bidirectional radio link, the base station (BS) indicates the end of the incoming call request to the remaining portable parts of the first group of portable parts.

5. The method as claimed in claim 4, characterized in that the first portable part (MT_x, with 1≦

x≦

n) is also the second portable part (MT_y, with 1≦

y≦

n).

6. The method as claimed in claim 4 or 5, characterized in that the end of the incoming call request is indicated in such a manner that

a) the base station (BS) sets up a bidirectional radio link with a third portable part (MT_z, with 1≦

z≦

n) of the remaining portable parts of the first group of portable parts,

b) the base station (BS) signals the end of the incoming call request to the third portable part (MT_z, with 1≦

z≦

n) with the data exchanged via the radio link,

c) the third portable part (MT_z, with 1≦

z≦

n) stops the call signaling,

d) the base station (BS) releases the bidirectional link to the third portable part (MT_z, with 1≦

z≦

n)),

e) steps a) to d) are carries out sequentially with a second group of portable parts which covers at least some [lacuna] remaining portable parts of the first group of portable parts.

7. The method as claimed in claim 4 or 5, characterized in that the end of the incoming call request is indicated in such a manner that

a) the base station maintains a unidirectional radio link to a third group of portable parts which covers at least some of the remaining portable parts of the first group of portable parts,

b) the base station (BS) simultaneously signals the end of the incoming call request via the unidirectional radio link to the third group of portable parts,

c) the portable parts of the third group of portable parts stop the call signaling,

d) the base station (BS) ends the signaling of the call request via the unidirectional radio link.

8. The method as claimed in one of claims 1 to 3, characterized in that the signaling of the incoming call request is refreshed in such a manner that

a) the base station (BS) sets up a bidirectional radio link to the first portable part (MT_x, with 1≦

x≦

n),

b) the base station (BS) exchanges data with the first portable part (MT_x, with 1≦

x≦

n) via the bidirectional radio link,

c) the base station (BS) signals the incoming call request to the first portable part (MT_x, with 1≦

x≦

n) by means of the data exchanged via the radio link,

d) the first portable part (MT_x, with 1≦

x≦

n) indicates the signaled call request to a subscriber by appropriate call signaling,

e) the base station (BS) releases the bidirectional link to the first portable part (MT_x, with 1≦

x≦

n), the call signaling being retained at the first portable part (MT_x, with 1≦

x≦

n),

f) steps a) to e) are performed sequentially with a first group of portable parts which covers some of the portable parts (MT₁ . . . MT_n),

g) steps a) to f) are repeated cyclically.

9. The method as claimed in one of claims 1 to 3, characterized in that the signaling of the incoming call request is refreshed in such a manner that

a) the base station maintains a unidirectional radio link to a first group of portable parts which covers some of the portable parts (MT₁ . . . MT_n),

b) the base station (BS) simultaneously signals the incoming call request to the first group of portable parts via the unidirectional radio link,

c) the portable parts of the first group of portable parts indicate the signaled call request by appropriate call signaling,

d) the base station (BS) ends the signaling of the call request via the unidirectional radio link,

e) steps a) to d) are repeated cyclically.

10. The method as claimed in one of claims 8 or 9, characterized in that the call signaling of the incoming call request by the respective portable part of the first group of portable parts takes place until the base station (BS) signals the end of the call request to the respective portable part of the first group of portable parts.

11. The method as claimed in claim 10, characterized in that the base station (BS) indicates the end of the incoming call request in such a manner that

a) the base station maintains a unidirectional radio link to a first group of portable parts which covers some of the portable parts (MT₁ . . . MT_n),

b) the base station (BS) simultaneously signals the end of the call request to the first group of portable parts via the unidirectional radio link,

c) the base station (BS) ends the signaling of the end of the incoming call request via the unidirectional radio link.

12. The method as claimed in claim 10, characterized in that the base station (BS) indicates the end of the incoming call request in such a manner that

a) the base station (BS) sets up a bidirectional radio link to the first portable part (MT_x, with 1≦

x≦

n),

b) the base station (BS) exchanges data with the first portable part (MT_x, with 1≦

x≦

n) via the bidirectional radio link,

c) the base station (BS) signals the end of the incoming call request to the first portable part (MT_x, with 1≦

x≦

n) by means of the data exchanged via the radio link,

d) the base station (BS) releases the bidirectional link to the first portable part (MT_x, with 1≦

x≦

n),

e) steps a) to d) are sequentially performed with the first group of portable parts which covers some of the portable parts (MT₁ . . . MT_n).

13. The method as claimed in one of claims 8 or 9, characterized in that the call signaling of the incoming call request by the respective portable part of the first group of portable parts takes place until a timer of the respective portable part of the first group of portable parts, which detects a time which has elapsed since the last signaling of the incoming call request, reaches a predetermined value of the time (TIMEOUT).

14. The method as claimed in one of the preceding claims, characterized in that changes of data allocated to the incoming call request are transmitted to the n portable parts (MT₁ . . . MT_n) in such a manner that

a) the base station (BS) sets up a bidirectional radio link to the first portable part (MT_x, with 1≦

x≦

n),

b) the base station (BS) transmits the changed data allocated to the call request to the first portable part (MT_x, with 1≦

x≦

n) by means of the [lacuna] exchanged via the bidirectional radio link,

c) the base station (BS) releases the bidirectional link to the first portable part (MT_x, with 1≦

x≦

n),

d) steps a) to c) are sequentially performed with the first group of portable parts which covers some of the portable parts (MT₁ . . . MT_n).

15. The method as claimed in one of the preceding claims, characterized in that changes of data allocated to the incoming call request are transmitted to the n portable parts (MT₁ . . . MT_n) in such a manner that

a) the base station maintains a unidirectional radio link to a first group of portable parts which covers some of the portable parts (MT₁ . . . MT_n),

b) the base station (BS) simultaneously transmits the changed data allocated to the call request to the first group of portable parts via the unidirectional radio link,

c) the base station (BS) ends the transmission via the unidirectional radio link.

16. The method as claimed in one of the preceding claims, characterized in that for a transmission of a message directed to the base station (BS) from a portable part of the first group of portable parts takes place in such a manner that

a) the portable part of the first group of portable parts sets up a radio link to the base station (BS),

b) the portable part transmits the data directed to the base station to the first group of portable parts,

c) the portable part of the first group of portable parts takes down the radio link.

17. The method as claimed in claim 16, characterized in that, if all available radio channels are occupied,

a) the portable station of the first group of portable parts does not set up a radio link and discards the data directed to the base station (BS) if the data directed to the base station (BS) have low priority,

b) the portable station of the first group of portable parts, if the data directed to the base station (BS) have a high priority,

b1) starts a timer,

b2) attempts to set up a radio link again when a predetermined value of the time is reached,

b3) repeats steps b1) and b2) when all available radio channels are occupied.

2. The method for call signaling in a telecommunication system with wireless telecommunication between a base station (BS) and a portable part (MT₁ . . . MT_n), a number of “

n”

portable parts (MT₁ . . . MT_n) being allocated to the base station (BS) and a number “

k”

of radio channels being available, comprising the following features;

a) The base station maintains a unidirectional radio link to a first group of portable parts which covers some of the portable parts (MT₁ . . . MT_n),

b) in the case of an incoming call request signaled to the base station (BS) by a telecommunication network (TKN), the base station (BS) simultaneously signals the incoming call request to the first group of portable parts via the unidirectional radio link,

c) the portable parts in the first group of portable parts indicate the signaled call request by corresponding call signaling,

d) the base station (BS) ends the signaling of the call request via the unidirectional radio link,

e) the base station (BS) sets up a bidirectional radio link with a first portable part (MT_x, with 1≦

x≦

n) of the first group of portable parts,

f) the base station (BS) exchanges data with the first portable part (MT_x, with 1≦

x≦

n) via the bidirectional radio link,

g) the base station (BS) releases the bidirectional link with the first portable part (MT_x, with 1≦

x≦

n),

h) steps e) to g) is carried out sequentially with the first group of portable parts.