Abstract
Method and apparatus for variable length Physical Layer (PL) packet generation. Multiple Security Layer (SL) packets may be multiplexed into a single PL packet to increase efficiency wherein the SL packets may have variable lengths. In one embodiment different format SL packets for different users are combined into capsules that form the PL packet. Shorter packets are for users in poor channel conditions or requiring smaller amounts of data due to the applications and the accompanying Quality of Service (QoS) requirements. In one embodiment a modified Preamble structure provides for Unicast or multi-user packets. Alternate embodiment provides modified Rate Sets a mechanism for identifying ACK from a single-user packet or a multiplexed packet (delayed ACK). ON/OFF keying for ACK channel v/s bi-polar keying used in IS-856 and/or multi-valued interpretation of DRC.
Method and apparatus for variable length Physical Layer (PL) packet generation. Multiple Security Layer (SL) packets may be multiplexed into a single PL packet to increase efficiency wherein the SL packets may have variable lengths. In one embodiment different format SL packets for different users are combined into capsules that form the PL packet. Shorter packets are for users in poor channel conditions or requiring smaller amounts of data due to the applications and the accompanying Quality of Service (QoS) requirements. In one embodiment a modified Preamble structure provides for Unicast or multi-user packets. Alternate embodiment provides modified Rate Sets a mechanism for identifying ACK from a single-user packet or a multiplexed packet (delayed ACK). ON/OFF keying for ACK channel v/s bi-polar keying used in IS-856 and/or multi-valued interpretation of DRC.
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Specification Information
Specification Information
Technologies
Family Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration
Product
Use Cases
Wireless communication
Services
Claim
1. A method for an access terminal, comprising: receiving a Physical Layer (PL) data packet including a sub-packet; extracting a sub-packet identifier; determining if the sub-packet is directed to the access terminal; and processing the sub-packet if directed to the access terminal.
2. The method as in claim 1 , further comprising: extracting a length value indicating a bit length of a Medium Access Control (MAC) data packet corresponding to the PL data packet.
3. The method as in claim 2, wherein the length value identifies a format of the PL data packet.
4. The method as in claim 1 , further comprising: extracting a capsule address indicating a destination of at least one capsule in the PL data packet.
5. The method as in claim 4, wherein the capsule address is included in a capsule address field, and wherein a designated capsule address indicates a multi-user PL data packet.
6. The method as in claim 1 , further comprising: sending an acknowledge indicator if the sub-packet contained in the PL packet is directed to the access terminal.
7. A remote station apparatus comprising: a control processor for executing computer-readable instructions; memory storage device for storing computer-readable instructions; and Physical Layer (PL) packet interpretation unit adapted to: determining if the sub-packet is directed to the access terminal; and processing the sub-packet if directed to the access terminal.
8. A remote station, comprising: means for receiving a Physical Layer (PL) data packet; means for extracting a sub-packet identifier; means for determining if the sub-packet is directed to the access terminal; and means for processing the sub-packet if directed to the access terminal.
9. An Access Network apparatus comprising:', 'Data Rate Control (DRC) unit for receiving data rate requests from Access', 'Terminals (ATs); and Physical Layer (PL) packet generation unit adapted to receive the data rate requests from the DRC unit and generating a variable length PL packet in response
10. The AN as in claim 9, wherein the PL packet generation unit is adapted to: generate a variable length Security Layer (SL) packet
11.The AN as in claim 10, wherein the PL packet generation unit is adapted to: combine a plurality of SL packets into one PL packet
12. The AN as in claim 9, wherein the AN is adapted to: retransmit the variable length PL packet after a first number of time slots, wherein the AN waits sufficient time slots to allow a recipient to acknowledge receipt
13. The AN as in claim 12, wherein the first number of time slots is four
14. The AN as in claim 9, wherein the PL packet generation unit generates the variable length PL packet as a function of the data rate requests
15. The AN as in claim 9, wherein the PL packet generation unit is adapted to: generate a capsule comprising a plurality of Security Layer (SL) packets directed to multiple Access Terminals (ATs)
16. The AN as in claim 15, wherein the PL packet generation unit is adapted to: generate a plurality of capsules, wherein each capsule has a corresponding capsule address
17. A method for processing data packets in a wireless communication system, comprising: receiving a plurality of packets for transmission to a plurality of users; concatenating a first of the plurality of packets for a first of the plurality of users to a second of the plurality of packets for a second of the plurality of users; and transmitting the first and second packets into one physical layer packet
18. A method for processing data packets in a wireless communication system, comprising: receiving a first block of data for transmission; determining a security layer packet size based on the size of the first block of', 'QÏx83.tcLJ generating a security layer packet having the determined security packet layer size
19. The method as in claim 18, wherein the wireless communication system has a default security layer packet size in bits, and the determined security packet layer size is smaller than the default security layer packet size.
20. The method as in claim 18, wherein determining the security layer packet comprises: determining a forward link channel condition; and determining a security layer packet size as a function of the forward link channel condition.
21. The method as in claim 18, wherein determining the security layer packet comprises: determining a Quality of Service (QoS) requirement; and determining a security layer packet size as a function of on the forward link channel condition.
22. A method for processing data in a wireless communication system, comprising: receiving a data rate request per a Data Rate Control (DRC) channel; selecting one of a plurality of data rates corresponding to the data rate request; and transmitting data at the selected data rate.']
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
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