METHOD AND APPARATUS IMPLEMENTING CHANNEL QUALITY CONTROL

• US 20130195047A1
• Filed: 01/29/2013
• Published: 08/01/2013
• Est. Priority Date: 01/30/2012
• Status: Active Grant

• Current Assignee: Avago Technologies International Sales Pte Limited (Broadcom, Inc.)
• Original Assignee: Renesas Mobile Corporation (Renesas Electronics Corporation)
• Inventors: KOIVISTO, Tommi, ENESCU, Mihai, ROMAN, Timo
• Granted Patent: US 9,078,250 B2
• Time in Patent Office: Days
• US Class Current: 370/329
• CPC Class Codes: H04L 1/0061 Error detection codes
• CPC Class Codes: H04L 1/0067 Rate matching H04L1/0013 and H04L1/08 take precedence
• CPC Class Codes: H04L 1/0073 Special arrangements for feedback channel
• CPC Class Codes: H04L 1/0606 Space-frequency coding
• CPC Class Codes: H04L 1/1614 using bitmaps
• 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 72/20 Control channels or signalling for resource management

Abstract

Methods for devices, devices and computer program products for devices relate to a communication module, arranged for packet based communication, and including a receiving module. The receiving module is arranged to receive a control message, wherein the control message includes a plurality of acknowledgement information items, wherein each of the plurality of acknowledgement information items are located in a preset portion of the control message, respectively. The device further includes a determination module, arranged to determine whether the received control message is intended for the device, a selection module, arranged to select, responsive to an affirmative determination result, at least one of the plurality of acknowledgement information items based on the preset portions, and an obtaining module, arranged to obtain control data contained in the selected at least one of the plurality of acknowledgement information items.

Claims

1. A device, comprising:

a communication module, arranged for packet based communication, and comprising a receiving module, wherein said receiving module is arranged to receive a control message, wherein said control message includes a plurality of acknowledgement information items, each of said plurality of acknowledgement information items being located in a preset portion of said control message, respectively,

a determination module, arranged to determine whether said received control message is intended for said device,

a selection module, arranged to select, responsive to affirmative determination result, at least one of said plurality of acknowledgement information items, and

an obtaining module, arranged to obtain control data contained in said selected at least one of said plurality of acknowledgement information items.

2. The device according to claim 1, wherein

said communication module further comprises a transmission module, arranged to perform payload transmissions, and

wherein said control data contained in each of said acknowledgement information items indicating success of a corresponding payload transmission.

3. The device according to claim 2, wherein

said receiving module is arranged to receive a first configuration message, and

wherein said first configuration message includes at least one of an at least one index indicating a position corresponding to said preset portions of said control message intended for said device, an identifier indicating an intended recipient of said control message and a transmission resource announcement indicating an allocated transmission resource scheduled for said control message.

4. The device according to claim 3, wherein at least one of:

said receiving module is arranged to receive said control message by monitoring a portion in time-frequency-domain corresponding to said transmission resource announcement included in said received first configuration message;

at least a portion of said control message is scrambled by means of said identifier, wherein said determination module is arranged to descramble said scrambled portion of said control message by means of said identifier included in said received first configuration message, and to perform said determination based on success of said descrambling;

said selection module performs said selection based on said index included in said received first configuration message; and

said receiving module is arranged to receive a second configuration message, wherein said second configuration message implicitly includes at least one index indicating a position corresponding to said preset portions of said control message intended for said device.

5. The device according to claim 4, wherein

said selection module performs said selection based on said index included in said received second configuration message.

6. The device according to claim 2, further comprising:

a control module, arranged to decide whether said payload transmission succeeded based on said corresponding control data contained in said selected acknowledgement information items, and to control responsive to negative decision result, re-transmission of said payload transmission.

7. A device, comprising:

a communication module, arranged for packet based communication, and comprising a transmission module, wherein said transmission module is arranged to transmit a control message, wherein said control message includes a plurality of acknowledgement information items, each of said plurality of acknowledgement information items being located in a preset portion of said control message, respectively.

8. The device according to claim 7, wherein at least one of:

said communication module further comprises a receiving module, arranged to receive a plurality of payload transmissions, wherein each of said acknowledgement information items contains control data indicating success of a corresponding one of said received plurality of payload transmissions;

said transmission module is arranged to transmit a first configuration message, wherein said first configuration message includes at least one of an at least one index indicating a position corresponding to said preset portions of said control message, an identifier indicating an intended recipient of said control message and a transmission resource announcement indicating an allocated transmission resource scheduled for said control message; and

said transmission module is arranged to transmit said control message using a portion in time-frequency-domain corresponding to said transmission resource announcement included in said transmitted first configuration message.

9. The device according to claim 8, wherein if the transmission module is arranged to transmit a first configuration message, the device further comprises:

a control module, arranged to scramble at least a portion of said control message by means of said identifier included in said transmitted first configuration message.

10. The device according to claim 8, wherein at least one of:

said transmission module is arranged to position each of said acknowledgement items in said control message based on said index included in said transmitted first configuration message and a received corresponding payload transmission; and

said transmission module is arranged to transmit a second configuration message, wherein said second configuration message implicitly includes at least one index indicating a position corresponding to said preset portions of said control message intended for said device.

11. The device according to claim 10, wherein if said transmission module is arranged to transmit a second configuration message,

said transmission module is arranged to position each of said acknowledgement items in said control message based on said index included in said transmitted second configuration message and a received corresponding payload transmission.

12. The device according to claim 10, further comprising:

a decision module, arranged to;

decode said plurality of received payload transmissions,

decide whether decoding succeeded, and

set said control data indicating success of said corresponding one of said received plurality of payload transmissions based on decision result.

13. A method for a device comprising a communication module, arranged for packet based communication, said method comprising the steps of:

receiving a control message, wherein said control message includes a plurality of acknowledgement information items, each of said plurality of acknowledgement information items being located in a preset portion of said control message, respectively,

determining whether said received control message is intended for said device,

selecting, responsive to affirmative result of determining, at least one of said plurality of acknowledgement information items, and

obtaining control data contained in said selected at least one of said plurality of acknowledgement information items.

14. The method according to claim 13, further comprising at least one of:

performing payload transmissions, wherein said control data contained in each of said acknowledgement information items indicate success of a corresponding payload transmission;

receiving a first configuration message, wherein said first configuration message includes at least one of an at least one index indicating a position corresponding to said preset portions of said control message intended for said device, an identifier indicating an intended recipient of said control message and a transmission resource announcement indicating an allocated transmission resource scheduled for said control message; and

in relation to said receiving said control message, monitoring a portion in time-frequency-domain corresponding to said transmission resource announcement included in said received first configuration message.

15. The method according to claim 14, wherein at least one of:

at least a portion of said control message is scrambled by means of said identifier, and said method further comprising;

descrambling said scrambled portion of said control message by means of said identifier included in said received first configuration message, and wherein said determining is performed based on success of said descrambling;

said selecting is performed based on said index included in said received first configuration message; and

receiving a second configuration message, wherein said second configuration message implicitly includes at least one index indicating a position corresponding to said preset portions of said control message intended for said device.

16. The method according to claim 15, wherein if a second configuration message is received,

said selecting is performed based on said index included in said received second configuration message.

17. The method according to claim 14, further comprising:

deciding whether said payload transmission succeeded based on said corresponding control data contained in said selected acknowledgement information items, and

controlling, responsive to negative decision result, re-transmission of said payload transmission.

18. A method for a device comprising a communication module, arranged for packet based communication, said method comprising the steps of:

transmitting a control message, wherein said control message includes a plurality of acknowledgement information items, each of said plurality of acknowledgement information items being located in a preset portion of said control message, respectively.

19. The method according to claim 18, further comprising at least one of:

receiving a plurality of payload transmissions, wherein each of said acknowledgement information items contains control data indicating success of a corresponding one of said received plurality of payload transmissions; and

transmitting a first configuration message, wherein said configuration message includes at least one of an at least one index indicating a position corresponding to said preset portions of said control message, an identifier indicating an intended recipient of said control message and a transmission resource announcement indicating an allocated transmission resource scheduled for said control message.

20. The method according to claim 19, wherein if a first configuration message is transmitted, the method further comprising at least one of:

said transmitting said control message is performed using a portion in time-frequency-domain corresponding to said transmission resource announcement included in said transmitted first configuration message;

scrambling at least a portion of said control message by means of said identifier included in said transmitted first configuration message; and

positioning each of said acknowledgement items in said control message based on said index included in said transmitted first configuration message and a received corresponding payload transmission.

21. The method according to claim 19, when if a first configuration message is transmitted, the method further comprising at least one of:

transmitting a second configuration message, wherein said second configuration message implicitly includes at least one index indicating a position corresponding to said preset portions of said control message intended for said device; and

positioning each of said acknowledgement items in said control message based on said index included in said transmitted second configuration message and a received corresponding payload transmission.

22. The method according to claim 19, further comprising:

decoding said plurality of received payload transmissions,

deciding whether decoding succeeded, and

setting said control data indicating success of said corresponding one of said received plurality of payload transmissions based on deciding result.

23. A non-transitory computer readable memory tangibly storing a computer program executed by a device comprising a communication module, arranged for packet based communication, said computer program comprising computer-executable components which, when executed on a device, causes the device to:

receive a control message, wherein said control message includes a plurality of acknowledgement information items, each of said plurality of acknowledgement information items being located in a preset portion of said control message, respectively,

determine whether said received control message is intended for said device,

select, responsive to affirmative determination result, at least one of said plurality of acknowledgement information items, and

obtain control data contained in said selected at least one of said plurality of acknowledgement information items.

24. A non-transitory computer readable memory tangibly storing a computer program executable by a device comprising a communication module, arranged for packet based communication, said computer program comprising computer-executable components which, when executed on a device, causes the device to:

transmit a control message, wherein said control message includes a plurality of acknowledgement information items, each of said plurality of acknowledgement information items being located in a preset portion of said control message, respectively.