Method, system, and equipment for information processing

• US 8,817,636 B2
• Filed: 10/27/2011
• Issued: 08/26/2014
• Est. Priority Date: 04/27/2009
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Song, Weiwei, Yu, Yinghui, Wan, Lei, Xiong, Xin, Xia, Yuan, Ren, Xiaotao, Zheng, Xiaorui, Peng, Jingdong
• Primary Examiner(s): Phan, Tri H
• Application Number:
  US13/283,208
• Publication Number:
  US 20120039260A1
• Time in Patent Office: 1,034 Days
• Field of Search: 370229-238, 370249-252, 370310-350, 370437-439, 455431-448, 709223-229
• US Class Current: 370/249
• CPC Class Codes: H04L 1/0045 Arrangements at the receiver end
• CPC Class Codes: H04L 1/1812 Hybrid protocols; Hybrid automatic repeat request [HARQ]
• CPC Class Codes: H04L 2001/0093 Point-to-multipoint
• CPC Class Codes: H04W 36/0033 with transfer of context information
• CPC Class Codes: H04W 36/14 Reselecting a network or an air interface

Abstract

A method, a system, and equipment for information processing are provided. The method includes receiving information sent by a source eNodeB of UE, where the information includes processing status information and data information which are obtained after the source eNodeB processes data transmitted by the UE, or data information in at least two user plane protocol stacks of the source eNodeB, or data information in user plane protocol stacks except PDCP in the source eNodeB; and correspondingly, transmitting data with the UE according to the processing status information and data information, or the data information in the at least two user plane protocol stacks, or the data information in user plane protocol stacks except PDCP.

Claims

1. An information processing method, comprising:

receiving, by a serving evolved NodeB (eNodeB), information sent by user equipment (UE), wherein the information is also sent to at least one non-serving eNodeB of the UE;

receiving, by the serving eNodeB, from the at least one non-serving eNodeB of the UE, result information about decoding performed by the non-serving eNodeB on the information sent by the UE; and

returning, by the serving eNodeB, a feedback message to the UE according to at least the result information about the decoding performed by the non-serving eNodeB on the information sent by the UE, wherein the feedback message indicates whether the information sent by the UE is decoded by the non-serving eNodeB correctly or incorrectly.

2. The method according to claim 1, further comprising:

performing, by the serving eNodeB, decoding on the information received from the UE; and

after performing the decoding by the serving eNodeB on the information received from the UE when decoding is incorrectly performed by the serving eNodeB on the information sent by the UE, sending a request to the at least one non-serving eNodeB of the UE, so as to request the non-serving eNodeB to return the result information about the decoding performed by the non-serving eNodeB on the information sent by the UE.

3. The method according to claim 1, wherein:

when the result information indicates that the decoding is performed correctly by the non-serving eNodeB, the result information comprises at least one of information generated after correct decoding and first indication information indicating that the decoding is performed by the non-serving eNodeB correctly;

or, when the result information indicates that the decoding is performed incorrectly by all non-serving eNodeBs that receive the information sent by the UE, the result information comprises at least one of information before decoding and second indication information indicating that the decoding is performed by the non-serving eNodeBs incorrectly, wherein returning, by the serving eNodeB, the feedback message to the UE according to at least the result information comprises;

returning, by the serving eNodeB, a first feedback message indicating that the decoding is performed correctly to the UE, when receiving at least one of the information generated after correct decoding and the first indication information indicating that the decoding is performed correctly, where the first indication information is sent by any non-serving eNodeB.

4. The method according to claim 3, further comprising:

sending, by the serving eNodeB, a second indication message to the non-serving eNodeB, where the second indication message indicates to the non-servin eNodeB to discard information enerated after correct decodin or to discard the information sent by the UE, or indicates to the non-serving eNodeB to forward to the serving eNodeB the information generated after correct decoding or the information sent by the UE, wherein the information generated after correct decoding is generated after the information sent by the UE is decoded by the non-serving eNodeB correctly.

5. The method according to claim 1, further comprising:

selecting, by the serving eNodeB, a decoding manner, and notifying the non-serving eNodeB of the UE of the decoding manner;

wherein the decoding manner comprises;

the non-serving eNodeB forwards the received information sent by the UE to the serving eNodeB for decoding;

or the non-serving eNodeB returns the result information about the decoding performed by the non-serving eNodeB on the information sent by the UE to the serving eNodeB;

or when receiving a request sent by the serving eNodeB, the non-serving eNodeB returns the result information about the decoding performed by the non-serving eNodeB on the information sent by the UE to the serving eNodeB.

6. The method according to claim 1, further comprising:

sending a first indication message to the UE, where the first indication message is used to indicate whether multiple cells that currently receive the information sent by the UE are located in the same eNodeB.

7. The method according to claim 1, further comprising:

if returning the feedback message in response to the information sent by the UE to the UE is delayed, sending, by the serving eNodeB, delay indication to the UE, wherein the delay indication is used to instruct the UE to receive delay information about the feedback message, and the delay information comprises delay time for the UE to receive the feedback message.

8. The method according to claim 1, wherein when the result information indicates that the decoding is performed incorrectly by all non-serving eNodeBs that receive the information sent by the UE, the result information comprises second indication information indicating that the decoding is performed incorrectly by the non-serving eNodeBs,

wherein returning, by the serving eNodeB, the feedback message to the UE at least according to the result information comprises:

returning to the UE, by the serving eNodeB, a second feedback message indicating that the decoding is performed incorrectly when receiving the second indication information indicating that the decoding is performed incorrectly by all the non-serving eNodeBs that receive the information sent by the UE; and

requesting the UE to retransmit the information.

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

after performing cross-eNodeB decoding by the serving eNodeB on the information before decoding, when determining that cross-eNodeB decoding is incorrectly performed by the serving eNodeB, sending an incorrect decoded data packet to the at least one non-serving eNodeB of the UE for retransmission combination and decoding.

10. The method according to claim 1, wherein when the result information indicates that the decoding is performed incorrectly by all non-serving eNodeBs that receive the information sent by the UE, the result information comprises information before decoding,

wherein returning, by the serving eNodeB, the feedback message to the UE at least according to the result information comprises:

performing, by the serving eNodeB, cross-eNodeB decoding on the information before decoding when receiving the information before decoding from the non-serving eNodeB;

returning, by the serving eNodeB, a first feedback message indicating correct decoding or a second feedback message indicating incorrect decoding to the UE according to a result of cross-eNodeB decoding on the information before decoding; and

requesting the UE to retransmit the information when the second feedback message is returned to the UE.

11. An information processing method, comprising:

receiving, by a non-serving evolved NodeB (eNodeB), information sent by user equipment (UE);

performing decoding by the non-serving eNodeB on the information received from the UE;

obtaining, by the non-serving eNodeB, result information based on the decoding; and

sending, by the non-serving eNodeB, the result information based on the decoding to a serving eNodeB of the UE, wherein the result information is used by the serving eNodeB to send a feedback message to the UE wherein the feedback message indicates whether the information sent by the UE is decoded correctly or incorrectly.

12. The method according to claim 11, wherein before performing decoding on the information received from the UE, further comprising:

receiving, by the non-serving eNodeB, a notification message indicating a decoding manner, wherein the notification message is sent by the serving eNodeB of the UE;

wherein the performing decoding by the non-serving eNodeB on the information received from the UE is based on the decoding manner.

13. The method according to claim 11, wherein when the decoding is performed correctly on the received information sent by the UE, the result information based on the decoding comprises at least one of:

indication information indicating correct decoding performed on the information sent by the UE, and information generated after correct decoding; and

when the decoding is performed incorrectly on the information sent by the UE, the result information based on the decoding comprises at least one of;

indication information indicating incorrect decoding performed on the information sent by the UE, and information before decoding.

14. The method according to claim 11, wherein before sending the result information based on the decoding to the servicing eNodeB of the UE, further comprising:

assigning, by the non-serving eNodeB, a priority to the result information based on the decoding;

the sending, by the non-serving eNodeB, the result information based on the decoding to a serving eNodeB of the UE comprises;

sending, by the non-serving eNodeB, the result information based on the decoding to a serving eNodeB of the UE according to the priority.

15. An evolved NodeB (eNodeB), comprising:

a result receiving unit, configured to receive result information based on decoding performed on information sent by a user equipment (UE), wherein the result information is sent by at least one non-serving eNodeB of the UE; and

a feedback returning unit, configured to return a feedback message to the UE according to at least the result information, received by the result receiving unit, based on the decoding performed by the non-serving eNodeB on the information sent by the UE, wherein the feedback message indicates whether the information sent by the UE is decoded correctly or incorrectly.

16. The eNodeB according to claim 15, further comprising:

a receiving decoding unit, configured to receive information sent by the UE and perform decoding on the information sent by the UE; and

a request sending unit, configured to, when the decoding is incorrectly performed by the receiving decoding unit on the information sent by the UE, send a request to the at least one non-serving eNodeB of the UE, and request the non-serving eNodeB to return the result information based on the decoding performed on the information sent by the UE.

17. The eNodeB according to claim 15, further comprising:

a manner selecting and notifying unit, configured to select a decoding manner and notify the non-serving eNodeB of the UE of the decoding manner;

wherein

the decoding manner comprises;

the non-serving eNodeB forwards the received information sent by the UE to a serving eNodeB for decoding;

or the non-serving eNodeB returns the result information based on the decoding performed by the non-serving eNodeB on the information sent by the UE to the serving eNodeB;

or

when receiving a request sent by the serving eNodeB, the non-serving eNodeB returns the result information based on the decoding performed by the non-serving eNodeB on the information sent by the UE to the serving eNodeB.

18. The eNodeB according to claim 15, wherein when the result information indicates that the decoding is performed correctly by any non-serving eNodeB, the result information comprises information generated after correct decoding, or, when the result information indicates that the decoding is performed incorrectly by all non-serving eNodeBs that receive the information sent by the UE, the result information comprises information before decoding, wherein the eNodeB further comprises:

an indication message sending unit, configured to send a first indication message, wherein the first indication message indicates to the non-serving eNodeB to discard information generated after correct decoding or discard the information sent by the UE, or indicates to the non-serving eNodeB to forward to the serving eNodeB the information generated after correct decoding or the information sent by the UE, wherein the information generated after correct decoding is generated after the information sent by the UE is decoded by the non-serving eNodeB correctly.

19. The eNodeB according to claim 15, further comprising:

a first indicating unit, configured to send a first indication message to the UE, wherein the first indication message is used to indicate whether multiple cells that currently receive the information sent by the UE are located in the same eNodeB.

20. The eNodeB according to claim 15, further comprising:

a delay indicating unit, configured to send delay indication to the UE when returning the feedback message to the UE is delayed, wherein the delay indication is used to instruct the UE to receive delay information about the feedback message, and the delay information comprises delay time for the UE to receive the feedback message.