Method and apparatus for signaling to a mobile device with set of training sequence codes to use for a communication link

• US 9,407,410 B2
• Filed: 06/04/2013
• Issued: 08/02/2016
• Est. Priority Date: 10/13/2008
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Dhanda, Mungal Singh
• Primary Examiner(s): Smith, Marcus R
• Assistant Examiner(s): SAMUEL, DEWANDA A
• Application Number:
  US13/909,617
• Publication Number:
  US 20130265995A1
• Time in Patent Office: 1,155 Days
• Field of Search: 370/292, 370/410, 370/546, 370/373
• US Class Current: 1/1
• CPC Class Codes: H01J 3/00 Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
• CPC Class Codes: H04B 7/2656 for structure of frame, burst
• CPC Class Codes: H04B 7/2659 for data rate control
• CPC Class Codes: H04L 1/0079 Formats for control data H04L1/16 takes precedence; training sequences H04L25/00 and H04L27/00
• CPC Class Codes: H04L 2025/0377 during the reception of training signals
• CPC Class Codes: H04L 27/18 Phase-modulated carrier systems, i.e. using phase-shift keying H04L27/32 takes precedence
• CPC Class Codes: H04L 27/32 Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/0073 Allocation arrangements that take into account other cell interferences for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/005
• CPC Class Codes: H04L 5/0091 Signaling for the administration of the divided path
• CPC Class Codes: H04L 5/14 Two-way operation using the same type of signal, i.e. duplex
• CPC Class Codes: H04W 72/04 Wireless resource allocation
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames

Abstract

The present patent application improves DARP by allowing multiple users on one time slot (MUROS). It comprises means and instructions for signaling training sequence set information to a remote station, comprising receiving signaling from a remote station indicating if a new set of training sequences is supported, and using a channel description to signal the training sequence set to be used by the remote station for a communication channel being established. Other aspects, embodiments, and features are also claimed and described.

Claims

1. A method for receiving signal training sequence set information by a remote station, comprising:

sending signaling to a base station indicating if a new set of a plurality of training sequences is supported, each training sequence of the new set being different than training sequences of a legacy set of a plurality of training sequences; and

receiving a channel description information element from the base station, wherein the channel description information element includes a channel type and a time division multiple access (TDMA) offset field, wherein the channel description information element indicates in the channel type and TDMA offset field whether to use the new set or the legacy set of a plurality of training sequences for a communication channel being established, and wherein the indicated set of a plurality training sequences is different than a set of a plurality of training sequences assigned by the base station to a second remote station that is on the communication channel.

2. An apparatus for wireless communication, comprising:

a processor;

memory in electronic communication with the processor; and

instructions stored in the memory, the instructions being executable by the processor to;

send signaling to a base station indicating if a new set of a plurality of training sequences is supported, each training sequence of the new set being different than training sequences of a legacy set of a plurality of training sequences; and

receive a channel description information element from the base station, wherein the channel description information element includes a channel type and a time division multiple access (TDMA) offset field, wherein the channel description information element indicates in the channel type and TDMA offset field whether to use the new set or the legacy set of a plurality of training sequences for a communication channel being established, and wherein the indicated set of a plurality of training sequences is different than a set of a plurality of training sequences assigned by the base station to a second apparatus that is on the communication channel.

3. An apparatus for receiving signal training sequence set information, comprising:

means for sending signaling to a base station indicating if a new set of a plurality of training sequences is supported, each training sequence of the new set being different than training sequences of a legacy set of a plurality of training sequences; and

means for receiving a channel description information element from the base station, wherein the channel description information element includes a channel type and a time division multiple access (TDMA) offset field, wherein the channel description information element indicates in the channel type and TDMA offset field whether to use the new set or the legacy set of a plurality of training sequences for a communication channel being established, and wherein the indicated set of a plurality of training sequences is different than a set of a plurality of training sequences assigned by the base station to a second apparatus that is on the communication channel.

4. A non-transitory computer-readable medium having instructions thereon, the instructions comprising:

code for causing a remote terminal to send signaling to a base station indicating if a new set of a plurality of training sequences is supported, each training sequence of the new set being different than training sequences of a legacy set of a plurality of training sequences; and

code for causing the remote terminal to receive a channel description information element from the base station, wherein the channel description information element includes a channel type and a time division multiple access (TDMA) offset field, wherein the channel description information element indicates in the channel type and TDMA offset field whether to use the new set or the legacy set of a plurality of training sequences for a communication channel being established, and wherein the indicated set of a plurality of training sequences is different than a set of a plurality of training sequences assigned by the base station to a second remote terminal that is on the communication channel.

5. A method for wireless communication by a remote station, comprising:

receiving a wanted signal from a first base station;

receiving an unwanted signal from a second base station, wherein the wanted signal and the unwanted signal have similar power levels on a single channel;

rejecting the unwanted signal using a set of a plurality of training sequences signaled by the first base station, wherein the set of a plurality of training sequences is signaled in a channel description information element that indicates in a channel type and time division multiple access (TDMA) offset field whether to use a new set of a plurality of training sequences or a legacy set of a plurality of training sequences, wherein each training sequence of the new set is different than the training sequences of the legacy set of a plurality of training sequences, and wherein the set of a plurality of training sequences is different than a set of a plurality of training sequences assigned by the first base station to a second remote station that is on the single channel; and

demodulating the wanted signal.

6. An apparatus for wireless communication, comprising:

a processor;

memory in electronic communication with the processor; and

instructions stored in the memory, the instructions being executable by the processor to;

receive a wanted signal from a first base station;

receive an unwanted signal from a second base station, wherein the wanted signal and the unwanted signal have similar power levels on a single channel;

reject the unwanted signal using a set of a plurality of training sequences signaled by the first base station, wherein the set of a plurality of training sequences is signaled in a channel description information element that indicates in a channel type and time division multiple access (TDMA) offset field whether to use a new set of a plurality of training sequences or a legacy set of a plurality of training sequences, wherein each training sequence of the new set is different than the training sequences of the legacy set of a plurality of training sequences, and wherein the set of a plurality of training sequences is different than a set of a plurality of training sequences assigned by the first base station to a second apparatus that is on the single channel; and

demodulate the wanted signal.

7. A non-transitory computer-readable medium having instructions thereon, the instructions comprising:

code for causing a remote terminal to receive a wanted signal from a first base station;

code for causing the remote terminal to receive an unwanted signal from a second base station, wherein the wanted signal and the unwanted signal have similar power levels on a single channel;

code for causing the remote terminal to reject the unwanted signal using a set of a plurality of training sequences signaled by the first base station, wherein the set of a plurality of training sequences is signaled in a channel description information element that indicates in a channel type and time division multiple access (TDMA) offset field whether to use a new set of a plurality of training sequences or a legacy set of a plurality of training sequences, wherein each training sequence of the new set is different than the training sequences of the legacy set of a plurality of training sequences, and wherein the set of a plurality of training sequences is different than a set of a plurality of training sequences assigned by the first base station to a second remote terminal that is on the single channel; and

code for causing the remote terminal to demodulate the wanted signal.

8. An apparatus for wireless communication, comprising:

means for receiving a wanted signal from a first base station;

means for receiving an unwanted signal from a second base station, wherein the wanted signal and the unwanted signal have similar power levels on a single channel;

means for rejecting the unwanted signal using a set of a plurality of training sequences signaled by the first base station, wherein the set of a plurality of training sequences is signaled in a channel description information element that indicates in a channel type and time division multiple access (TDMA) offset field whether to use a new set of a plurality of training sequences or a legacy set of a plurality of training sequences, wherein each training sequence of the new set is different than the training sequences of the legacy set of a plurality of training sequences, and wherein the set of a plurality of training sequences is different than a set of a plurality of training sequences assigned by the first base station to a second apparatus that is on the single channel; and

means for demodulating the wanted signal.