Abstract:
Methods and apparatus are provided for utilizing an idle interval of a first radio access network (RAN) for performing measurements in a second RAN. For certain aspects, the first and second RANs may be a Time Division—Synchronous Code Division Multiple Access (TD-SCDMA) network and a Time Division Duplex Long Term Evolution (TDD-LTE) network, respectively. With efficient use of the first RAN's idle interval, increased power savings or increased system throughput may be achieved.
Abstract:
A user equipment (UE) may save power by reducing certain battery draining activities when a user is not close to or not using the UE. The UE may skip inter-radio access technology measurements to conserve battery life. The UE may also extend a paging periodicity when the battery power is low and/or when a sensor detects UE inactivity or a distant user.
Abstract:
Techniques for scheduling logical channels for data transmission are described. In one design, a user equipment (UE) is configured with a plurality of logical channels for sending data on the uplink. Each logical channel is associated with a priority and a data buffer size. The UE maintains a token bucket for each logical channel. In each scheduling interval or when an uplink grant is received, the UE determines a bucket level (which may be a positive value or a non-positive value) for each of the plurality of logical channels. The UE ascertains logical channels with bucket levels of the same polarity and then identifies logical channels of the same priority among all logical channels with the same bucket level polarity. The UE selects at least one identified logical channel for scheduling based on the data buffer size and/or the bucket level for each identified logical channel.
Abstract:
Systems and methods for policing traffic in communications systems are described herein. According to systems and methods herein, tokens are generated for a packet data network based on a peak transmission rate associated with the packet data network. Packets are selected for transmission over the packet data network based on availability of tokens.
Abstract:
Wireless communication is implemented by a multi-mode user equipment (UE). The method includes selecting a continuous time period during a Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) voice call. The voice call is via a Node B. The selected continuous time period includes multiple subframes. The method also includes preventing the UE from communicating with the Node B during the selected continuous time period, or at least preventing downlink communications with the Node B. The method further includes acquiring a Global System for Mobile communications (GSM) signal from at least one GSM cell during the selected continuous time period. The UE can handover to a selected GSM cell based on the measurements of the acquired GSM cell(s).
Abstract:
A base station may be configured so that it operates in accordance with certain MAP transmission rules that may enable mobile stations to save battery power in certain situations. Upon receiving a MAP message, a mobile station may determine whether there is a burst allocated for the mobile station in the current frame by determining the value of at least one of the following: an idle users bit in the SUB-MAP pointer information element (IE), and a sleep users bit in the SUB-MAP pointer IE. The mobile station may discontinue processing of the MAP message and power down one or more components of the mobile station if there is not a burst allocated for the mobile station in the current frame.
Abstract:
Methods and apparatuses are provided that include enhancing decoding of multicast broadcast control communications, which can be of a relatively large size. A configuration message related to a broadcast channel structure can be received in multiple instances and/or segmented data units. A receiver can combine multiple instances and/or accumulate segmented data units to obtain and/or decode a control channel over which the configuration message is communicated. Communicating segmented data units of the configuration message can allow a broadcast station to utilize a lower data rate, more reliable modulation and coding scheme to encode the configuration message.
Abstract:
Aspects of the present disclosure provide power efficient methods to track an emergency call. A mobile station may take Location Base Service (LBS) measurements during a low power state and may report the measurements to a serving base station. The serving base station may report the measurements to a network control and management system (NCMS) to track the emergency call.
Abstract:
Embodiments provide methods, systems, and/or devices to identify and/or determine a closest base station to a multi-mode mobile device among the multiple wireless communications technologies, such as different Radio Access Technologies (RATs). Having identified a closest base station to the multi-mode mobile device among the multiple wireless communications technologies, the mobile device's location may be estimated using location information regarding the closest identified base station. In some cases, a handover or other procedure may be performed with respect to the mobile device and the closest identified base station. The multiple wireless communications technologies may include, but are not limited to, WiMAX, CDMA 1x, LTE, and/or EVDO.
Abstract:
Methods and apparatuses are provided that include selecting measurement types for measuring neighboring cells based in part on a change in device location. Where a change in location is relatively small, a device can perform less precise more efficient measurements of the neighboring cells to conserve power and/or processing time than where the change in location is larger. The neighboring cells can operate on a difference frequency than a serving cell; thus, measuring the neighboring cells using more precise measurements can utilize radio frequency (RF) calibration over the different frequency. Where a change in device location is below a threshold, however, less precise measurements that do not use RF calibration can be utilized to measure the neighboring cells.