System and method for transmitting data payload in WB SC, aggregate SC, duplicate SC, OFDM transmission frames

Patent metadata

Field	Value
Publication number	US-9949259-B2
Application number	US-201615137861-A
Country	US
Kind code	B2
Filing date	Apr 25, 2016
Priority date	May 7, 2015
Publication date	Apr 17, 2018
Grant date	Apr 17, 2018

Abstract

An apparatus for wireless communications is disclosed. The apparatus includes a processing system configured to generate a frame having a preamble, a header, and a data payload, wherein the preamble, the header, and the data payload are decodable by a first device when operating according to a first protocol, wherein the preamble and the header are decodable by a second device when operating according to a second protocol, the data payload not being decodable by the second device when operating according to the second protocol; and an interface configured to output the frame for transmission.

First claim

What is claimed is:

1. An apparatus for wireless communications, comprising:
a processing system configured to generate a frame comprising a preamble, a header, and a data payload encoded and modulated with an modulation coding scheme (MCS), wherein the preamble, the header, and the encoded and modulated data payload are decodable by a first device when operating according to a first protocol, wherein the preamble and the header are decodable by a second device when operating according to a second protocol, the encoded and modulated data payload not being decodable by the second device when operating according to the second protocol, wherein the encoded and modulated data payload comprises at least one data block, and wherein each of the at least one data block comprises a plurality of data symbols and a first guard interval comprising a sequence of symbols known to the first device; and
an interface configured to output the frame for transmission via a single channel.

2. The apparatus of claim 1 , wherein a number of sequence symbols in the first guard interval is different than a number of sequence symbols specified according to the second protocol.

3. The apparatus of claim 2 , wherein the number of sequence symbols is 32 or 128.

4. The apparatus of claim 1 , further comprising at least one antenna, wherein the interface is configured to output the frame for transmission via the at least one antenna, and wherein the apparatus is configured as a wireless node.

5. An apparatus for wireless communications, comprising:
a processing system configured to generate a frame comprising a preamble, a header, and a data payload encoded and modulated with an modulation coding scheme (MCS), wherein the preamble, the header, and the encoded and modulated data payload are decodable by a first device when operating according to a first protocol, wherein the preamble and the header are decodable by a second device when operating according to a second protocol, the encoded and modulated data payload not being decodable by the second device when operating according to the second protocol, wherein the encoded and modulated data payload comprises at least one data block, and wherein each of the at least one data block comprises a plurality of data symbols and a guard interval comprising a sequence of symbols known to the first device; and
an interface configured to output the frame for transmission via a plurality of bonded channels.

6. The apparatus of claim 5 , wherein a number of the sequence symbols is a function of a number of bonded channels.

7. The apparatus of claim 6 , wherein the number of bonded channels is two, and the number of sequence symbols in the guard interval is 256, 128 or 64.

8. The apparatus of claim 6 , wherein the number of bonded channels is three, and the number of sequence symbols in the guard interval is 384, 192 or 96.

9. The apparatus of claim 6 , wherein the number of bonded channels is four, and the number of sequence symbols in the guard interval is 512, 256 or 128.

10. The apparatus of claim 5 , wherein a number of the data symbols in each of the at least one data block is a function of a number of bonded channels.

11. The apparatus of claim 10 , wherein the number of bonded channels is two, and the number of data symbols in each of the at least on data block is 768, 896 or 960.

12. The apparatus of claim 10 , wherein the number of bonded channels is three, and the number of data symbols in each of the at least on data block is 1152, 1344 or 1440.

13. The apparatus of claim 10 , wherein the number of bonded channels is four, and the number of data symbols in each of the at least on data block is 1536, 1792 or 1920.

14. The apparatus of claim 5 , further comprising at least one antenna, wherein the interface is configured to output the frame for transmission via the at least one antenna, and wherein the apparatus is configured as a wireless node.

15. An apparatus for wireless communications, comprising:
a processing system configured to generate a frame comprising a preamble, a header, and a data payload, wherein the preamble, the header, and the data payload are decodable by a first device when operating according to a first protocol, wherein the preamble and the header are decodable by a second device when operating according to a second protocol, the data payload not being decodable by the second device when operating according to the second protocol, wherein the processing system is configured to encode and modulate the data payload with one of a first set of MCS according to the first protocol, wherein the processing system is configured to encode and modulate the header with one of a second set of modulation coding schemes (MCS) according to the second protocol, and wherein the first set of MCS is different than the second set of MCS; and
an interface configured to output the frame for transmission.

16. The apparatus of claim 15 , wherein the first set of MCS comprises at least one of 64QAM, 64APSK, 128APSK, 256QAM, or 256APSK and is not a subset of the second set of MCS.

17. The apparatus of claim 15 , wherein the first set of MCS comprises at least one of π/2-QPSK with 7/8 code rate, π/2-16QAM with a 13/16 code rate, π/2-16QAM with a 7/8 code rate, π/2-64QAM with a 5/8 code rate, π/2-64QAM with a 3/4 code rate, π/2-64QAM with a 13/16 code rate, π/2-64QAM with a 7/8 code rate, π/2-64APSK with a 5/8 code rate, π/2-64APSK with a 3/4 code rate, π/2-64APSK with a 13/16 code rate, π/2-64APSK with a 7/8 code rate, π/2-128APSK with a 3/4 code rate, π/2-128APSK with a 13/16 code rate, π/2-128APSK with a 7/8 code rate, π/2-256QAM with a 3/4 code rate, π/2-256QAM with a 13/16 code rate, π/2-256QAM with a 7/8 code rate, π/2-256APSK with a 3/4 code rate, π/2-256APSK with a 13/16 code rate, or π/2-256APSK with a 7/8 code rate and is not a subset of the second set of MCS.

18. The apparatus of claim 15 , wherein the first set of MCS comprises π/2-BPSK with 1/2 code rate, π/2-BPSK with 5/8 code rate, π/2-BPSK with 3/4 code rate, π/2-BPSK with 13/16 code rate, π/2-QPSK with 1/2 code rate, π/2-QPSK with 5/8 code rate, π/2-QPSK with 3/4 code rate, π/2-QPSK with 13/16 code rate, π/2-QPSK with 7/8 code rate, π/2-16QAM with a 1/2 code rate, π/2-16QAM with a 5/8 code rate, π/2-16QAM with a 3/4 code rate, π/2-16QAM with a 13/16 code rate, π/2-16QAM with a 7/8 code rate, π/2-64QAM with a 5/8 code rate, π/2-64QAM with a 3/4 code rate, π/2-64QAM with a 13/16 code rate, π/2-64QAM with a 7/8 code rate, π/2-64APSK with a 5/8 code rate, π/2-64APSK with a 3/4 code rate, π/2-64APSK with a 13/16 code rate, π/2-64APSK with a 7/8 code rate, π/2-128APSK with a 3/4 code rate, π/2-128APSK with a 13/16 code rate, π/2-128APSK with a 7/8 code rate, π/2-256QAM with a 3/4 code rate, π/2-256QAM with a 13/16 code rate, π/2-256APSK with a 3/4 code rate, π/2-256APSK with a 13/16 code rate, or π/2-256APSK with a 7/8 code rate.

19. The apparatus of claim 15 , further comprising at least one antenna, wherein the interface is configured to output the frame for transmission via the at least one antenna, and wherein the apparatus is configured as a wireless node.

20. An apparatus for wireless communications, comprising:
a processing system configured to generate a frame comprising a preamble, a header, and a data payload, wherein the preamble, the header, and the data payload are decodable by a first device when operating according to a first protocol, wherein the preamble and the header are decodable by a second device when operating according to a second proto

Assignees

• Qualcomm Inc

Inventors

• Eitan Alecsander

Classifications

• H04L27/261 Primary

  Details of reference signals · CPC title

• H04L27/2646

  using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length · CPC title

• H04L5/0044

  Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH · CPC title

• H04L1/0083

  Formatting with frames or packets; Protocol or part of protocol for error control · CPC title

• H04L27/32

  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 title