Patent ID: 9398576
Filing Date: 2016-07-19
CPC Classification: H04H,H04L,H04W,Y02D

Claim Text:
1. A method for operating an access point, the method comprising: identifying, by the access point, one or more stations to receive a first transmission from the access point; generating, by the access point, a traffic indication map (TIM) for the one or more stations identified in the TIM in accordance with a TIM generating rule, the TIM generating rule identifying at least an offset length value indicating a number of bits used to represent an offset from a reference access identifier (AID) for unicast transmission to an AID for unicast transmission of one of the one or more stations, and identifying a number of station entries value, wherein the TIM includes an offset length field containing the offset length value, and a number of station entries field containing the number of station entries value; and broadcasting, by the access point, a beacon carrying the TIM to the one or more stations identified, the beacon decodable by the one or more stations according to the TIM generating rule, wherein the beacon comprises a preamble, a common data portion comprising common data, and a TIM portion comprising the TIM, wherein the common data portion and the TIM portion are at a same layer level, wherein the common data portion comprises first error check or correction bits for decoding the common data, wherein the TIM portion comprises second error check or correction bits for decoding the TIM, wherein the first error check or correction bits cannot decode the TIM, and wherein the second error check or correction bits cannot decode the common data.