Paging method for an MBMS service in a mobile communication system

• US 20050153715A1
• Filed: 11/08/2004
• Published: 07/14/2005
• Est. Priority Date: 11/06/2003
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Choi, Sung-Ho, Hwang, Sung-Oh, Lee, Kook-Heui
• Granted Patent: US 7,616,611 B2
• Time in Patent Office: Days
• US Class Current: 455/458
• CPC Class Codes: H04L 12/189 in combination with wireless systems selective distribution or broadcast in wireless communication networks H04W4/06
• CPC Class Codes: H04W 4/06 Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
• CPC Class Codes: H04W 52/0216 using a pre-established activity schedule, e.g. traffic indication frame
• CPC Class Codes: H04W 68/025 Indirect paging
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A paging method for informing a UE of the existence or absence of control information in transmission of the control information according to the support of an MBMS in a mobile communication system. In the method, paging according to a voice and packet service and paging according to an MBMS are differentiated from each other. Accordingly, a first paging indication channel for identifying the paging according to the voice and packet service and a second paging indication channel for identifying the paging according to the MBMS are differentiated from each other and used.

Claims

1. A method for paging a User Equipment (UE) by a radio access network in order to provide a multimedia broadcast/multicast service (MBMS) to the UE in a mobile communication system including at least one UE and the radio access network, the method comprising the steps of:

transmitting a first channel information on a paging indication channel to the at least one UE, the paging indication channel identifying existence of a paging for the MBMS;

transmitting a second channel information on a control channel to the at least one UE, the control channel transmitting paging information of the MBMS;

transmitting the paging indication channel in response to the MBMS, when a paging request of the UE occurs in response to the MBMS; and

transmitting the paging information of the MBMS through the control channel in response to transmission of the paging indication channel.

2. The method of claim 1, wherein the first channel information includes channel information on the paging indication channel for identifying existence of paging for a voice service and a packet service, and wherein the second channel information includes channel information on the control channel for transmitting paging information of the voice service and the packet service.

3. The method of claim 1, wherein the paging indication channel and the control channel are transmitted at predetermined intervals.

4. The method of claim 3, wherein the predetermined interval has a value of an integer time of 256*k, where k=1, 2, 3, . . . , 149.

5. The method of claim 1, wherein the first channel information and the second channel information are included a system information block of a broadcast channel.

6. The method of claim 1, wherein the paging indication channel is transmitted based on a discrete reception (DRX) period.

7. The method of claim 1, wherein the control channel includes a secondary common control physical channel (S-CCPCH) having an MBMS control channel (MCCH).

8. A method for receiving a paging for a multimedia broadcast/multicast service (MBMS) by a User Equipment (UE) from a radio access network providing the MBMS to the UE in a mobile communication system including at least one UE and the radio access network, the method comprising the steps of:

receiving a first channel information on a paging indication channel, the paging indication channel identifying existence of a paging for the MBMS;

receiving a second channel information on a control channel from the radio access network, the control channel transmitting paging information of the MBMS;

receiving the paging indication channel from the radio access network through the first channel information;

receiving the control channel from the radio access network through the second channel information, when transmission of the control channel corresponding to the MBMS is checked by the paging indication channel; and

checking if the MBMS has been paged by the paging information received through the control channel.

9. The method of claim 8, wherein the first channel information includes channel information on the paging indication channel for identifying existence of paging for a voice service and a packet service, and wherein the second channel information includes channel information on the control channel for transmitting paging information of the voice service and the packet service.

10. The method of claim 8, wherein the paging indication channel and the control channel are transmitted at predetermined intervals.

11. The method of claim 10, wherein the predetermined interval has a value of an integer time of 256*k, where k=1, 2, 3, . . . , 149.

12. The method of claim 8, wherein the first channel information and the second channel information are included in a system information block of a broadcast channel.

13. The method of claim 8, wherein the paging indication channel corresponding to the MBMS is transmitted based on a discrete reception (DRX) period.

14. The method of claim 8, wherein the reception of the paging indication channel is performed at a time point determined by:

MBMS PI=TMGI mod N_Mp,

wherein, N_Mp denotes a number of paging indicators transmitted on one radio frame for the MBMS and TMGI is an acronym for Temporary MBMS Group Identity.

15. The method of claim 8, wherein the control channel includes a secondary common control physical channel (S-CCPCH) having an MBMS control channel (MCCH).