METHOD, SYSTEM AND DEVICE FOR TRANSMITTING SYSTEM INFORMATION

• US 20120250620A1
• Filed: 09/09/2010
• Published: 10/04/2012
• Est. Priority Date: 09/11/2009
• Status: Abandoned Application

• Current Assignee: China Mobile Communications Corporation (Central People's Government of The People's Republic of China)
• Original Assignee: China Mobile Communications Corporation (Central People's Government of The People's Republic of China)
• Inventors: Hu, Nan
• Application Number:
  US13/395,435
• Publication Number:
  US 20120250620A1
• Time in Patent Office: Days
• US Class Current: 370/328
• CPC Class Codes: H04L 1/1896 ARQ related signaling
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04W 48/08 Access restriction or access information delivery, e.g. discovery data delivery signalling during connection H04W76/00

Abstract

A method, system and device for transmitting system information are provided, and said method includes the following steps: the network side transmits the system information on a downlink work carrier, wherein said system information includes the master system information and wireless resource configuration information of said downlink work carrier, and master system information of at least one of the other downlink carriers in multiple carriers. By using the present invention, the speed and efficiency of the terminal obtaining the system information of other downlink work carrier can be improved in multi-carrier system.

Claims

1. A method for transmitting system information, comprising:

transmitting, from the network side, system information over a downlink carrier, which comprises master system information and radio resource configuration information of the downlink carrier, and master system information of at least one other downlink carrier among a plurality of carriers.

2. The method according to claim 1, wherein the system information further comprises radio resource configuration information of the at least one other downlink carrier.

3. The method according to claim 1, wherein the master system information and radio resource configuration information of each downlink carrier among the plurality of carriers is configured at the network side, and the system information is transmitted over each downlink carrier among the plurality of carriers, wherein the system information comprises the master system information and the radio resource configuration information of the downlink carrier, and the master system information of the at least one other downlink carrier.

5. The method according to claim 1, wherein the master system information of the at least one other downlink carrier is configured at the network side in a system information block 12 of the downlink carrier over which the system information is transmitted.

6. The method according to claim 2, wherein transmitting the system information from the network side over the downlink carrier comprises:

transmitting the master system information of the downlink carrier from the network side over a Physical Broadcast Channel, PBCH, of the downlink carrier;

transmitting the radio resource configuration information of the downlink carrier from the network side over a Physical Downlink Shared Channel, PDSCH; and

transmitting the master system information and the radio resource configuration information of the at least one other downlink carrier from the network side over the PDSCH.

7. The method according to claim 6, further comprising:

carrying at the network side a System Information-Radio Network Temporary Identifier, SI-RNTI, of the downlink carrier over a Physical Downlink Control Channel, PDCCH, when the radio resource configuration information of the downlink carrier is transmitted over the PDSCH of the downlink carrier; and

carrying at the network side an SI-RNTI of the at least one other downlink carrier over the PDCCH when the radio resource configuration information of the at least one other downlink carrier is transmitted over the PDSCH of the downlink carrier.

8. The method according to claim 2, further comprising:

after transmitting from the network side the system information over the downlink carrier,

a user equipment receiving the system information over the downlink carrier.

9. The method according to claim 8, wherein the user equipment receiving the system information over the downlink carrier comprises:

the user equipment detecting the downlink carrier;

the user equipment receiving the master system information of the detected downlink carrier over the downlink carrier; and

the user equipment receiving other system information over the downlink carrier according to the master system information, wherein the other system information comprises the radio resource configuration information of the downlink carrier, and the master system information and the radio resource configuration information of the at least one other downlink carrier.

10. The method according to claim 9, wherein the user equipment receiving the other system information comprises:

the user equipment receiving the radio resource configuration information of the downlink carrier by System Information-Radio Network Temporary Identifier, SI-RNTI, of the downlink carrier carried over the downlink carrier; and

the user equipment receiving the radio resource configuration information of the at least one other downlink carrier by an SI-RNTI of the at least one other downlink carrier carried over the downlink carrier.

4. (canceled)

11-15. -15. (canceled)

16. A network-side device, comprising:

a transmitting module configured to transmit system information over a downlink carrier, which comprises master system information and radio resource configuration information of the downlink carrier, and master system information of at least one other downlink carrier.

17. The network-side device according to claim 16, wherein the system information further comprises radio resource configuration information of the at least one other downlink carrier.

18. The network-side device according to claim 16, further comprising:

a configuring module configured to configure the master system information and the radio resource configuration information of each downlink carrier among a plurality of carriers; and

the transmitting module is further configured to transmit the system information over each downlink carrier among the plurality of carriers, wherein the system information comprises the master system information and the radio resource configuration information of the downlink carrier, and the master system information of the at least one other downlink carrier.

20. The network-side device according to claim 18, wherein:

the configuring module is further configured to configure the master system information of the at least one other downlink carrier in a system information block 12 of the downlink carrier over which the system information is transmitted.

21. The network-side device according to claim 17, wherein the transmitting module is further configured:

to transmit the master system information of the downlink carrier over a Physical Broadcast Channel, PBCH, of the downlink carrier;

to transmit the radio resource configuration information of the downlink carrier over a PDSCH; and

to transmit the master system information and the radio resource configuration information of the at least one other downlink carrier over the PDSCH.

22. The network-side device according to claim 21, wherein:

the transmitting module is further configured to carry a System Information-Radio Network Temporary Identifier, SI-RNTI, of the downlink carrier over a PDCCH when the radio resource configuration information of the downlink carrier is transmitted over the downlink carrier; and

to carry an SI-RNTI of the at least one other downlink carriers over the PDCCH when the radio resource configuration information of the at least one other downlink carrier is transmitted.

23. The network-side device according to claim 17, wherein:

the transmitting module is further configured to instruct a user equipment to receive the system information over the downlink carrier after the system information is transmitted over the downlink carrier.

19. (canceled)

24. (canceled)

25. A user equipment, comprising:

a receiving module configured to receive system information transmitted from the network side over a downlink carrier to which the user equipment listens among a plurality of carriers, wherein the system information comprises master system information and radio resource configuration information of the listened-to downlink carrier, and master system information of at least one other downlink carrier.

26. The user equipment according to claim 25, wherein the system information further comprises radio resource configuration information of the at least one other downlink carrier.

28. The user equipment according to claim 26, wherein the receiving module comprises:

a detecting sub-module configured to detect the downlink carrier;

a first receiving sub-module configured to receive the master system information of the downlink carrier detected by the detecting sub-module over the downlink carrier; and

a second receiving sub-module configured receive other system information according to the master system information received by the first receiving sub-module over the downlink carrier, wherein the other system information comprises the radio resource configuration information of the detected downlink carrier, and the master system information and the radio resource configuration information of the at least one other downlink carrier.

29. The user equipment according to claim 28, wherein the second receiving sub-module is further configured:

to receive the radio resource configuration information of the downlink carrier over the downlink carrier by System Information-Radio Network Temporary Identifier, SI-RNTI, of the downlink carrier carried over the downlink carrier; and

to receive the radio resource configuration information of the at least one other downlink carrier over the downlink carrier by an SI-RNTI of the at least one other downlink carrier carried over the downlink carrier.

27. (canceled)

30. (canceled)